unction(path) {\n return net.qualifyURL(path);\n };\n\n this.terminate = function() {\n this._signal(\"terminate\", {});\n this.deltaQueue = null;\n this.$worker.terminate();\n this.$worker = null;\n if (this.$doc)\n this.$doc.off(\"change\", this.changeListener);\n this.$doc = null;\n };\n\n this.send = function(cmd, args) {\n this.$worker.postMessage({command: cmd, args: args});\n };\n\n this.call = function(cmd, args, callback) {\n if (callback) {\n var id = this.callbackId++;\n this.callbacks[id] = callback;\n args.push(id);\n }\n this.send(cmd, args);\n };\n\n this.emit = function(event, data) {\n try {\n if (data.data && data.data.err)\n data.data.err = {message: data.data.err.message, stack: data.data.err.stack, code: data.data.err.code};\n this.$worker.postMessage({event: event, data: {data: data.data}});\n }\n catch(ex) {\n console.error(ex.stack);\n }\n };\n\n this.attachToDocument = function(doc) {\n if (this.$doc)\n this.terminate();\n\n this.$doc = doc;\n this.call(\"setValue\", [doc.getValue()]);\n doc.on(\"change\", this.changeListener);\n };\n\n this.changeListener = function(delta) {\n if (!this.deltaQueue) {\n this.deltaQueue = [];\n setTimeout(this.$sendDeltaQueue, 0);\n }\n if (delta.action == \"insert\")\n this.deltaQueue.push(delta.start, delta.lines);\n else\n this.deltaQueue.push(delta.start, delta.end);\n };\n\n this.$sendDeltaQueue = function() {\n var q = this.deltaQueue;\n if (!q) return;\n this.deltaQueue = null;\n if (q.length > 50 && q.length > this.$doc.getLength() >> 1) {\n this.call(\"setValue\", [this.$doc.getValue()]);\n } else\n this.emit(\"change\", {data: q});\n };\n\n}).call(WorkerClient.prototype);\n\n\nvar UIWorkerClient = function(topLevelNamespaces, mod, classname) {\n var main = null;\n var emitSync = false;\n var sender = Object.create(EventEmitter);\n\n var messageBuffer = [];\n var workerClient = new WorkerClient({\n messageBuffer: messageBuffer,\n terminate: function() {},\n postMessage: function(e) {\n messageBuffer.push(e);\n if (!main) return;\n if (emitSync)\n setTimeout(processNext);\n else\n processNext();\n }\n });\n\n workerClient.setEmitSync = function(val) { emitSync = val; };\n\n var processNext = function() {\n var msg = messageBuffer.shift();\n if (msg.command)\n main[msg.command].apply(main, msg.args);\n else if (msg.event)\n sender._signal(msg.event, msg.data);\n };\n\n sender.postMessage = function(msg) {\n workerClient.onMessage({data: msg});\n };\n sender.callback = function(data, callbackId) {\n this.postMessage({type: \"call\", id: callbackId, data: data});\n };\n sender.emit = function(name, data) {\n this.postMessage({type: \"event\", name: name, data: data});\n };\n\n config.loadModule([\"worker\", mod], function(Main) {\n main = new Main[classname](sender);\n while (messageBuffer.length)\n processNext();\n });\n\n return workerClient;\n};\n\nexports.UIWorkerClient = UIWorkerClient;\nexports.WorkerClient = WorkerClient;\nexports.createWorker = createWorker;\n\n\n});\n\nace.define(\"ace/placeholder\",[\"require\",\"exports\",\"module\",\"ace/range\",\"ace/lib/event_emitter\",\"ace/lib/oop\"], function(require, exports, module) {\n\"use strict\";\n\nvar Range = require(\"./range\").Range;\nvar EventEmitter = require(\"./lib/event_emitter\").EventEmitter;\nvar oop = require(\"./lib/oop\");\n\nvar PlaceHolder = function(session, length, pos, others, mainClass, othersClass) {\n var _self = this;\n this.length = length;\n this.session = session;\n this.doc = session.getDocument();\n this.mainClass = mainClass;\n this.othersClass = othersClass;\n this.$onUpdate = this.onUpdate.bind(this);\n this.doc.on(\"change\", this.$onUpdate);\n this.$others = others;\n \n this.$onCursorChange = function() {\n setTimeout(function() {\n _self.onCursorChange();\n });\n };\n \n this.$pos = pos;\n var undoStack = session.getUndoManager().$undoStack || session.getUndoManager().$undostack || {length: -1};\n this.$undoStackDepth = undoStack.length;\n this.setup();\n\n session.selection.on(\"changeCursor\", this.$onCursorChange);\n};\n\n(function() {\n\n oop.implement(this, EventEmitter);\n this.setup = function() {\n var _self = this;\n var doc = this.doc;\n var session = this.session;\n \n this.selectionBefore = session.selection.toJSON();\n if (session.selection.inMultiSelectMode)\n session.selection.toSingleRange();\n\n this.pos = doc.createAnchor(this.$pos.row, this.$pos.column);\n var pos = this.pos;\n pos.$insertRight = true;\n pos.detach();\n pos.markerId = session.addMarker(new Range(pos.row, pos.column, pos.row, pos.column + this.length), this.mainClass, null, false);\n this.others = [];\n this.$others.forEach(function(other) {\n var anchor = doc.createAnchor(other.row, other.column);\n anchor.$insertRight = true;\n anchor.detach();\n _self.others.push(anchor);\n });\n session.setUndoSelect(false);\n };\n this.showOtherMarkers = function() {\n if (this.othersActive) return;\n var session = this.session;\n var _self = this;\n this.othersActive = true;\n this.others.forEach(function(anchor) {\n anchor.markerId = session.addMarker(new Range(anchor.row, anchor.column, anchor.row, anchor.column+_self.length), _self.othersClass, null, false);\n });\n };\n this.hideOtherMarkers = function() {\n if (!this.othersActive) return;\n this.othersActive = false;\n for (var i = 0; i < this.others.length; i++) {\n this.session.removeMarker(this.others[i].markerId);\n }\n };\n this.onUpdate = function(delta) {\n if (this.$updating)\n return this.updateAnchors(delta);\n \n var range = delta;\n if (range.start.row !== range.end.row) return;\n if (range.start.row !== this.pos.row) return;\n this.$updating = true;\n var lengthDiff = delta.action === \"insert\" ? range.end.column - range.start.column : range.start.column - range.end.column;\n var inMainRange = range.start.column >= this.pos.column && range.start.column <= this.pos.column + this.length + 1;\n var distanceFromStart = range.start.column - this.pos.column;\n \n this.updateAnchors(delta);\n \n if (inMainRange)\n this.length += lengthDiff;\n\n if (inMainRange && !this.session.$fromUndo) {\n if (delta.action === 'insert') {\n for (var i = this.others.length - 1; i >= 0; i--) {\n var otherPos = this.others[i];\n var newPos = {row: otherPos.row, column: otherPos.column + distanceFromStart};\n this.doc.insertMergedLines(newPos, delta.lines);\n }\n } else if (delta.action === 'remove') {\n for (var i = this.others.length - 1; i >= 0; i--) {\n var otherPos = this.others[i];\n var newPos = {row: otherPos.row, column: otherPos.column + distanceFromStart};\n this.doc.remove(new Range(newPos.row, newPos.column, newPos.row, newPos.column - lengthDiff));\n }\n }\n }\n \n this.$updating = false;\n this.updateMarkers();\n };\n \n this.updateAnchors = function(delta) {\n this.pos.onChange(delta);\n for (var i = this.others.length; i--;)\n this.others[i].onChange(delta);\n this.updateMarkers();\n };\n \n this.updateMarkers = function() {\n if (this.$updating)\n return;\n var _self = this;\n var session = this.session;\n var updateMarker = function(pos, className) {\n session.removeMarker(pos.markerId);\n pos.markerId = session.addMarker(new Range(pos.row, pos.column, pos.row, pos.column+_self.length), className, null, false);\n };\n updateMarker(this.pos, this.mainClass);\n for (var i = this.others.length; i--;)\n updateMarker(this.others[i], this.othersClass);\n };\n\n this.onCursorChange = function(event) {\n if (this.$updating || !this.session) return;\n var pos = this.session.selection.getCursor();\n if (pos.row === this.pos.row && pos.column >= this.pos.column && pos.column <= this.pos.column + this.length) {\n this.showOtherMarkers();\n this._emit(\"cursorEnter\", event);\n } else {\n this.hideOtherMarkers();\n this._emit(\"cursorLeave\", event);\n }\n }; \n this.detach = function() {\n this.session.removeMarker(this.pos && this.pos.markerId);\n this.hideOtherMarkers();\n this.doc.off(\"change\", this.$onUpdate);\n this.session.selection.off(\"changeCursor\", this.$onCursorChange);\n this.session.setUndoSelect(true);\n this.session = null;\n };\n this.cancel = function() {\n if (this.$undoStackDepth === -1)\n return;\n var undoManager = this.session.getUndoManager();\n var undosRequired = (undoManager.$undoStack || undoManager.$undostack).length - this.$undoStackDepth;\n for (var i = 0; i < undosRequired; i++) {\n undoManager.undo(this.session, true);\n }\n if (this.selectionBefore)\n this.session.selection.fromJSON(this.selectionBefore);\n };\n}).call(PlaceHolder.prototype);\n\n\nexports.PlaceHolder = PlaceHolder;\n});\n\nace.define(\"ace/mouse/multi_select_handler\",[\"require\",\"exports\",\"module\",\"ace/lib/event\",\"ace/lib/useragent\"], function(require, exports, module) {\n\nvar event = require(\"../lib/event\");\nvar useragent = require(\"../lib/useragent\");\nfunction isSamePoint(p1, p2) {\n return p1.row == p2.row && p1.column == p2.column;\n}\n\nfunction onMouseDown(e) {\n var ev = e.domEvent;\n var alt = ev.altKey;\n var shift = ev.shiftKey;\n var ctrl = ev.ctrlKey;\n var accel = e.getAccelKey();\n var button = e.getButton();\n \n if (ctrl && useragent.isMac)\n button = ev.button;\n\n if (e.editor.inMultiSelectMode && button == 2) {\n e.editor.textInput.onContextMenu(e.domEvent);\n return;\n }\n \n if (!ctrl && !alt && !accel) {\n if (button === 0 && e.editor.inMultiSelectMode)\n e.editor.exitMultiSelectMode();\n return;\n }\n \n if (button !== 0)\n return;\n\n var editor = e.editor;\n var selection = editor.selection;\n var isMultiSelect = editor.inMultiSelectMode;\n var pos = e.getDocumentPosition();\n var cursor = selection.getCursor();\n var inSelection = e.inSelection() || (selection.isEmpty() && isSamePoint(pos, cursor));\n\n var mouseX = e.x, mouseY = e.y;\n var onMouseSelection = function(e) {\n mouseX = e.clientX;\n mouseY = e.clientY;\n };\n \n var session = editor.session;\n var screenAnchor = editor.renderer.pixelToScreenCoordinates(mouseX, mouseY);\n var screenCursor = screenAnchor;\n \n var selectionMode;\n if (editor.$mouseHandler.$enableJumpToDef) {\n if (ctrl && alt || accel && alt)\n selectionMode = shift ? \"block\" : \"add\";\n else if (alt && editor.$blockSelectEnabled)\n selectionMode = \"block\";\n } else {\n if (accel && !alt) {\n selectionMode = \"add\";\n if (!isMultiSelect && shift)\n return;\n } else if (alt && editor.$blockSelectEnabled) {\n selectionMode = \"block\";\n }\n }\n \n if (selectionMode && useragent.isMac && ev.ctrlKey) {\n editor.$mouseHandler.cancelContextMenu();\n }\n\n if (selectionMode == \"add\") {\n if (!isMultiSelect && inSelection)\n return; // dragging\n\n if (!isMultiSelect) {\n var range = selection.toOrientedRange();\n editor.addSelectionMarker(range);\n }\n\n var oldRange = selection.rangeList.rangeAtPoint(pos);\n \n editor.inVirtualSelectionMode = true;\n \n if (shift) {\n oldRange = null;\n range = selection.ranges[0] || range;\n editor.removeSelectionMarker(range);\n }\n editor.once(\"mouseup\", function() {\n var tmpSel = selection.toOrientedRange();\n\n if (oldRange && tmpSel.isEmpty() && isSamePoint(oldRange.cursor, tmpSel.cursor))\n selection.substractPoint(tmpSel.cursor);\n else {\n if (shift) {\n selection.substractPoint(range.cursor);\n } else if (range) {\n editor.removeSelectionMarker(range);\n selection.addRange(range);\n }\n selection.addRange(tmpSel);\n }\n editor.inVirtualSelectionMode = false;\n });\n\n } else if (selectionMode == \"block\") {\n e.stop();\n editor.inVirtualSelectionMode = true; \n var initialRange;\n var rectSel = [];\n var blockSelect = function() {\n var newCursor = editor.renderer.pixelToScreenCoordinates(mouseX, mouseY);\n var cursor = session.screenToDocumentPosition(newCursor.row, newCursor.column, newCursor.offsetX);\n\n if (isSamePoint(screenCursor, newCursor) && isSamePoint(cursor, selection.lead))\n return;\n screenCursor = newCursor;\n \n editor.selection.moveToPosition(cursor);\n editor.renderer.scrollCursorIntoView();\n\n editor.removeSelectionMarkers(rectSel);\n rectSel = selection.rectangularRangeBlock(screenCursor, screenAnchor);\n if (editor.$mouseHandler.$clickSelection && rectSel.length == 1 && rectSel[0].isEmpty())\n rectSel[0] = editor.$mouseHandler.$clickSelection.clone();\n rectSel.forEach(editor.addSelectionMarker, editor);\n editor.updateSelectionMarkers();\n };\n if (isMultiSelect && !accel) {\n selection.toSingleRange();\n } else if (!isMultiSelect && accel) {\n initialRange = selection.toOrientedRange();\n editor.addSelectionMarker(initialRange);\n }\n \n if (shift)\n screenAnchor = session.documentToScreenPosition(selection.lead); \n else\n selection.moveToPosition(pos);\n \n screenCursor = {row: -1, column: -1};\n\n var onMouseSelectionEnd = function(e) {\n blockSelect();\n clearInterval(timerId);\n editor.removeSelectionMarkers(rectSel);\n if (!rectSel.length)\n rectSel = [selection.toOrientedRange()];\n if (initialRange) {\n editor.removeSelectionMarker(initialRange);\n selection.toSingleRange(initialRange);\n }\n for (var i = 0; i < rectSel.length; i++)\n selection.addRange(rectSel[i]);\n editor.inVirtualSelectionMode = false;\n editor.$mouseHandler.$clickSelection = null;\n };\n\n var onSelectionInterval = blockSelect;\n\n event.capture(editor.container, onMouseSelection, onMouseSelectionEnd);\n var timerId = setInterval(function() {onSelectionInterval();}, 20);\n\n return e.preventDefault();\n }\n}\n\n\nexports.onMouseDown = onMouseDown;\n\n});\n\nace.define(\"ace/commands/multi_select_commands\",[\"require\",\"exports\",\"module\",\"ace/keyboard/hash_handler\"], function(require, exports, module) {\nexports.defaultCommands = [{\n name: \"addCursorAbove\",\n description: \"Add cursor above\",\n exec: function(editor) { editor.selectMoreLines(-1); },\n bindKey: {win: \"Ctrl-Alt-Up\", mac: \"Ctrl-Alt-Up\"},\n scrollIntoView: \"cursor\",\n readOnly: true\n}, {\n name: \"addCursorBelow\",\n description: \"Add cursor below\",\n exec: function(editor) { editor.selectMoreLines(1); },\n bindKey: {win: \"Ctrl-Alt-Down\", mac: \"Ctrl-Alt-Down\"},\n scrollIntoView: \"cursor\",\n readOnly: true\n}, {\n name: \"addCursorAboveSkipCurrent\",\n description: \"Add cursor above (skip current)\",\n exec: function(editor) { editor.selectMoreLines(-1, true); },\n bindKey: {win: \"Ctrl-Alt-Shift-Up\", mac: \"Ctrl-Alt-Shift-Up\"},\n scrollIntoView: \"cursor\",\n readOnly: true\n}, {\n name: \"addCursorBelowSkipCurrent\",\n description: \"Add cursor below (skip current)\",\n exec: function(editor) { editor.selectMoreLines(1, true); },\n bindKey: {win: \"Ctrl-Alt-Shift-Down\", mac: \"Ctrl-Alt-Shift-Down\"},\n scrollIntoView: \"cursor\",\n readOnly: true\n}, {\n name: \"selectMoreBefore\",\n description: \"Select more before\",\n exec: function(editor) { editor.selectMore(-1); },\n bindKey: {win: \"Ctrl-Alt-Left\", mac: \"Ctrl-Alt-Left\"},\n scrollIntoView: \"cursor\",\n readOnly: true\n}, {\n name: \"selectMoreAfter\",\n description: \"Select more after\",\n exec: function(editor) { editor.selectMore(1); },\n bindKey: {win: \"Ctrl-Alt-Right\", mac: \"Ctrl-Alt-Right\"},\n scrollIntoView: \"cursor\",\n readOnly: true\n}, {\n name: \"selectNextBefore\",\n description: \"Select next before\",\n exec: function(editor) { editor.selectMore(-1, true); },\n bindKey: {win: \"Ctrl-Alt-Shift-Left\", mac: \"Ctrl-Alt-Shift-Left\"},\n scrollIntoView: \"cursor\",\n readOnly: true\n}, {\n name: \"selectNextAfter\",\n description: \"Select next after\",\n exec: function(editor) { editor.selectMore(1, true); },\n bindKey: {win: \"Ctrl-Alt-Shift-Right\", mac: \"Ctrl-Alt-Shift-Right\"},\n scrollIntoView: \"cursor\",\n readOnly: true\n}, {\n name: \"toggleSplitSelectionIntoLines\",\n description: \"Split into lines\",\n exec: function(editor) {\n if (editor.multiSelect.rangeCount > 1)\n editor.multiSelect.joinSelections();\n else\n editor.multiSelect.splitIntoLines();\n },\n bindKey: {win: \"Ctrl-Alt-L\", mac: \"Ctrl-Alt-L\"},\n readOnly: true\n}, {\n name: \"splitSelectionIntoLines\",\n description: \"Split into lines\",\n exec: function(editor) { editor.multiSelect.splitIntoLines(); },\n readOnly: true\n}, {\n name: \"alignCursors\",\n description: \"Align cursors\",\n exec: function(editor) { editor.alignCursors(); },\n bindKey: {win: \"Ctrl-Alt-A\", mac: \"Ctrl-Alt-A\"},\n scrollIntoView: \"cursor\"\n}, {\n name: \"findAll\",\n description: \"Find all\",\n exec: function(editor) { editor.findAll(); },\n bindKey: {win: \"Ctrl-Alt-K\", mac: \"Ctrl-Alt-G\"},\n scrollIntoView: \"cursor\",\n readOnly: true\n}];\nexports.multiSelectCommands = [{\n name: \"singleSelection\",\n description: \"Single selection\",\n bindKey: \"esc\",\n exec: function(editor) { editor.exitMultiSelectMode(); },\n scrollIntoView: \"cursor\",\n readOnly: true,\n isAvailable: function(editor) {return editor && editor.inMultiSelectMode;}\n}];\n\nvar HashHandler = require(\"../keyboard/hash_handler\").HashHandler;\nexports.keyboardHandler = new HashHandler(exports.multiSelectCommands);\n\n});\n\nace.define(\"ace/multi_select\",[\"require\",\"exports\",\"module\",\"ace/range_list\",\"ace/range\",\"ace/selection\",\"ace/mouse/multi_select_handler\",\"ace/lib/event\",\"ace/lib/lang\",\"ace/commands/multi_select_commands\",\"ace/search\",\"ace/edit_session\",\"ace/editor\",\"ace/config\"], function(require, exports, module) {\n\nvar RangeList = require(\"./range_list\").RangeList;\nvar Range = require(\"./range\").Range;\nvar Selection = require(\"./selection\").Selection;\nvar onMouseDown = require(\"./mouse/multi_select_handler\").onMouseDown;\nvar event = require(\"./lib/event\");\nvar lang = require(\"./lib/lang\");\nvar commands = require(\"./commands/multi_select_commands\");\nexports.commands = commands.defaultCommands.concat(commands.multiSelectCommands);\nvar Search = require(\"./search\").Search;\nvar search = new Search();\n\nfunction find(session, needle, dir) {\n search.$options.wrap = true;\n search.$options.needle = needle;\n search.$options.backwards = dir == -1;\n return search.find(session);\n}\nvar EditSession = require(\"./edit_session\").EditSession;\n(function() {\n this.getSelectionMarkers = function() {\n return this.$selectionMarkers;\n };\n}).call(EditSession.prototype);\n(function() {\n this.ranges = null;\n this.rangeList = null;\n this.addRange = function(range, $blockChangeEvents) {\n if (!range)\n return;\n\n if (!this.inMultiSelectMode && this.rangeCount === 0) {\n var oldRange = this.toOrientedRange();\n this.rangeList.add(oldRange);\n this.rangeList.add(range);\n if (this.rangeList.ranges.length != 2) {\n this.rangeList.removeAll();\n return $blockChangeEvents || this.fromOrientedRange(range);\n }\n this.rangeList.removeAll();\n this.rangeList.add(oldRange);\n this.$onAddRange(oldRange);\n }\n\n if (!range.cursor)\n range.cursor = range.end;\n\n var removed = this.rangeList.add(range);\n\n this.$onAddRange(range);\n\n if (removed.length)\n this.$onRemoveRange(removed);\n\n if (this.rangeCount > 1 && !this.inMultiSelectMode) {\n this._signal(\"multiSelect\");\n this.inMultiSelectMode = true;\n this.session.$undoSelect = false;\n this.rangeList.attach(this.session);\n }\n\n return $blockChangeEvents || this.fromOrientedRange(range);\n };\n this.toSingleRange = function(range) {\n range = range || this.ranges[0];\n var removed = this.rangeList.removeAll();\n if (removed.length)\n this.$onRemoveRange(removed);\n\n range && this.fromOrientedRange(range);\n };\n this.substractPoint = function(pos) {\n var removed = this.rangeList.substractPoint(pos);\n if (removed) {\n this.$onRemoveRange(removed);\n return removed[0];\n }\n };\n this.mergeOverlappingRanges = function() {\n var removed = this.rangeList.merge();\n if (removed.length)\n this.$onRemoveRange(removed);\n };\n\n this.$onAddRange = function(range) {\n this.rangeCount = this.rangeList.ranges.length;\n this.ranges.unshift(range);\n this._signal(\"addRange\", {range: range});\n };\n\n this.$onRemoveRange = function(removed) {\n this.rangeCount = this.rangeList.ranges.length;\n if (this.rangeCount == 1 && this.inMultiSelectMode) {\n var lastRange = this.rangeList.ranges.pop();\n removed.push(lastRange);\n this.rangeCount = 0;\n }\n\n for (var i = removed.length; i--; ) {\n var index = this.ranges.indexOf(removed[i]);\n this.ranges.splice(index, 1);\n }\n\n this._signal(\"removeRange\", {ranges: removed});\n\n if (this.rangeCount === 0 && this.inMultiSelectMode) {\n this.inMultiSelectMode = false;\n this._signal(\"singleSelect\");\n this.session.$undoSelect = true;\n this.rangeList.detach(this.session);\n }\n\n lastRange = lastRange || this.ranges[0];\n if (lastRange && !lastRange.isEqual(this.getRange()))\n this.fromOrientedRange(lastRange);\n };\n this.$initRangeList = function() {\n if (this.rangeList)\n return;\n\n this.rangeList = new RangeList();\n this.ranges = [];\n this.rangeCount = 0;\n };\n this.getAllRanges = function() {\n return this.rangeCount ? this.rangeList.ranges.concat() : [this.getRange()];\n };\n this.splitIntoLines = function () {\n var ranges = this.ranges.length ? this.ranges : [this.getRange()];\n var newRanges = [];\n for (var i = 0; i < ranges.length; i++) {\n var range = ranges[i];\n var row = range.start.row;\n var endRow = range.end.row;\n if (row === endRow) {\n newRanges.push(range.clone());\n } else {\n newRanges.push(new Range(row, range.start.column, row, this.session.getLine(row).length));\n while (++row < endRow)\n newRanges.push(this.getLineRange(row, true));\n newRanges.push(new Range(endRow, 0, endRow, range.end.column));\n }\n if (i == 0 && !this.isBackwards())\n newRanges = newRanges.reverse();\n }\n this.toSingleRange();\n for (var i = newRanges.length; i--;)\n this.addRange(newRanges[i]);\n };\n \n this.joinSelections = function () {\n var ranges = this.rangeList.ranges;\n var lastRange = ranges[ranges.length - 1];\n var range = Range.fromPoints(ranges[0].start, lastRange.end);\n\n this.toSingleRange();\n this.setSelectionRange(range, lastRange.cursor == lastRange.start);\n };\n this.toggleBlockSelection = function () {\n if (this.rangeCount > 1) {\n var ranges = this.rangeList.ranges;\n var lastRange = ranges[ranges.length - 1];\n var range = Range.fromPoints(ranges[0].start, lastRange.end);\n\n this.toSingleRange();\n this.setSelectionRange(range, lastRange.cursor == lastRange.start);\n } else {\n var cursor = this.session.documentToScreenPosition(this.cursor);\n var anchor = this.session.documentToScreenPosition(this.anchor);\n\n var rectSel = this.rectangularRangeBlock(cursor, anchor);\n rectSel.forEach(this.addRange, this);\n }\n };\n this.rectangularRangeBlock = function(screenCursor, screenAnchor, includeEmptyLines) {\n var rectSel = [];\n\n var xBackwards = screenCursor.column < screenAnchor.column;\n if (xBackwards) {\n var startColumn = screenCursor.column;\n var endColumn = screenAnchor.column;\n var startOffsetX = screenCursor.offsetX;\n var endOffsetX = screenAnchor.offsetX;\n } else {\n var startColumn = screenAnchor.column;\n var endColumn = screenCursor.column;\n var startOffsetX = screenAnchor.offsetX;\n var endOffsetX = screenCursor.offsetX;\n }\n\n var yBackwards = screenCursor.row < screenAnchor.row;\n if (yBackwards) {\n var startRow = screenCursor.row;\n var endRow = screenAnchor.row;\n } else {\n var startRow = screenAnchor.row;\n var endRow = screenCursor.row;\n }\n\n if (startColumn < 0)\n startColumn = 0;\n if (startRow < 0)\n startRow = 0;\n\n if (startRow == endRow)\n includeEmptyLines = true;\n\n var docEnd;\n for (var row = startRow; row <= endRow; row++) {\n var range = Range.fromPoints(\n this.session.screenToDocumentPosition(row, startColumn, startOffsetX),\n this.session.screenToDocumentPosition(row, endColumn, endOffsetX)\n );\n if (range.isEmpty()) {\n if (docEnd && isSamePoint(range.end, docEnd))\n break;\n docEnd = range.end;\n }\n range.cursor = xBackwards ? range.start : range.end;\n rectSel.push(range);\n }\n\n if (yBackwards)\n rectSel.reverse();\n\n if (!includeEmptyLines) {\n var end = rectSel.length - 1;\n while (rectSel[end].isEmpty() && end > 0)\n end--;\n if (end > 0) {\n var start = 0;\n while (rectSel[start].isEmpty())\n start++;\n }\n for (var i = end; i >= start; i--) {\n if (rectSel[i].isEmpty())\n rectSel.splice(i, 1);\n }\n }\n\n return rectSel;\n };\n}).call(Selection.prototype);\nvar Editor = require(\"./editor\").Editor;\n(function() {\n this.updateSelectionMarkers = function() {\n this.renderer.updateCursor();\n this.renderer.updateBackMarkers();\n };\n this.addSelectionMarker = function(orientedRange) {\n if (!orientedRange.cursor)\n orientedRange.cursor = orientedRange.end;\n\n var style = this.getSelectionStyle();\n orientedRange.marker = this.session.addMarker(orientedRange, \"ace_selection\", style);\n\n this.session.$selectionMarkers.push(orientedRange);\n this.session.selectionMarkerCount = this.session.$selectionMarkers.length;\n return orientedRange;\n };\n this.removeSelectionMarker = function(range) {\n if (!range.marker)\n return;\n this.session.removeMarker(range.marker);\n var index = this.session.$selectionMarkers.indexOf(range);\n if (index != -1)\n this.session.$selectionMarkers.splice(index, 1);\n this.session.selectionMarkerCount = this.session.$selectionMarkers.length;\n };\n\n this.removeSelectionMarkers = function(ranges) {\n var markerList = this.session.$selectionMarkers;\n for (var i = ranges.length; i--; ) {\n var range = ranges[i];\n if (!range.marker)\n continue;\n this.session.removeMarker(range.marker);\n var index = markerList.indexOf(range);\n if (index != -1)\n markerList.splice(index, 1);\n }\n this.session.selectionMarkerCount = markerList.length;\n };\n\n this.$onAddRange = function(e) {\n this.addSelectionMarker(e.range);\n this.renderer.updateCursor();\n this.renderer.updateBackMarkers();\n };\n\n this.$onRemoveRange = function(e) {\n this.removeSelectionMarkers(e.ranges);\n this.renderer.updateCursor();\n this.renderer.updateBackMarkers();\n };\n\n this.$onMultiSelect = function(e) {\n if (this.inMultiSelectMode)\n return;\n this.inMultiSelectMode = true;\n\n this.setStyle(\"ace_multiselect\");\n this.keyBinding.addKeyboardHandler(commands.keyboardHandler);\n this.commands.setDefaultHandler(\"exec\", this.$onMultiSelectExec);\n\n this.renderer.updateCursor();\n this.renderer.updateBackMarkers();\n };\n\n this.$onSingleSelect = function(e) {\n if (this.session.multiSelect.inVirtualMode)\n return;\n this.inMultiSelectMode = false;\n\n this.unsetStyle(\"ace_multiselect\");\n this.keyBinding.removeKeyboardHandler(commands.keyboardHandler);\n\n this.commands.removeDefaultHandler(\"exec\", this.$onMultiSelectExec);\n this.renderer.updateCursor();\n this.renderer.updateBackMarkers();\n this._emit(\"changeSelection\");\n };\n\n this.$onMultiSelectExec = function(e) {\n var command = e.command;\n var editor = e.editor;\n if (!editor.multiSelect)\n return;\n if (!command.multiSelectAction) {\n var result = command.exec(editor, e.args || {});\n editor.multiSelect.addRange(editor.multiSelect.toOrientedRange());\n editor.multiSelect.mergeOverlappingRanges();\n } else if (command.multiSelectAction == \"forEach\") {\n result = editor.forEachSelection(command, e.args);\n } else if (command.multiSelectAction == \"forEachLine\") {\n result = editor.forEachSelection(command, e.args, true);\n } else if (command.multiSelectAction == \"single\") {\n editor.exitMultiSelectMode();\n result = command.exec(editor, e.args || {});\n } else {\n result = command.multiSelectAction(editor, e.args || {});\n }\n return result;\n }; \n this.forEachSelection = function(cmd, args, options) {\n if (this.inVirtualSelectionMode)\n return;\n var keepOrder = options && options.keepOrder;\n var $byLines = options == true || options && options.$byLines;\n var session = this.session;\n var selection = this.selection;\n var rangeList = selection.rangeList;\n var ranges = (keepOrder ? selection : rangeList).ranges;\n var result;\n \n if (!ranges.length)\n return cmd.exec ? cmd.exec(this, args || {}) : cmd(this, args || {});\n \n var reg = selection._eventRegistry;\n selection._eventRegistry = {};\n\n var tmpSel = new Selection(session);\n this.inVirtualSelectionMode = true;\n for (var i = ranges.length; i--;) {\n if ($byLines) {\n while (i > 0 && ranges[i].start.row == ranges[i - 1].end.row)\n i--;\n }\n tmpSel.fromOrientedRange(ranges[i]);\n tmpSel.index = i;\n this.selection = session.selection = tmpSel;\n var cmdResult = cmd.exec ? cmd.exec(this, args || {}) : cmd(this, args || {});\n if (!result && cmdResult !== undefined)\n result = cmdResult;\n tmpSel.toOrientedRange(ranges[i]);\n }\n tmpSel.detach();\n\n this.selection = session.selection = selection;\n this.inVirtualSelectionMode = false;\n selection._eventRegistry = reg;\n selection.mergeOverlappingRanges();\n if (selection.ranges[0])\n selection.fromOrientedRange(selection.ranges[0]);\n \n var anim = this.renderer.$scrollAnimation;\n this.onCursorChange();\n this.onSelectionChange();\n if (anim && anim.from == anim.to)\n this.renderer.animateScrolling(anim.from);\n \n return result;\n };\n this.exitMultiSelectMode = function() {\n if (!this.inMultiSelectMode || this.inVirtualSelectionMode)\n return;\n this.multiSelect.toSingleRange();\n };\n\n this.getSelectedText = function() {\n var text = \"\";\n if (this.inMultiSelectMode && !this.inVirtualSelectionMode) {\n var ranges = this.multiSelect.rangeList.ranges;\n var buf = [];\n for (var i = 0; i < ranges.length; i++) {\n buf.push(this.session.getTextRange(ranges[i]));\n }\n var nl = this.session.getDocument().getNewLineCharacter();\n text = buf.join(nl);\n if (text.length == (buf.length - 1) * nl.length)\n text = \"\";\n } else if (!this.selection.isEmpty()) {\n text = this.session.getTextRange(this.getSelectionRange());\n }\n return text;\n };\n \n this.$checkMultiselectChange = function(e, anchor) {\n if (this.inMultiSelectMode && !this.inVirtualSelectionMode) {\n var range = this.multiSelect.ranges[0];\n if (this.multiSelect.isEmpty() && anchor == this.multiSelect.anchor)\n return;\n var pos = anchor == this.multiSelect.anchor\n ? range.cursor == range.start ? range.end : range.start\n : range.cursor;\n if (pos.row != anchor.row \n || this.session.$clipPositionToDocument(pos.row, pos.column).column != anchor.column)\n this.multiSelect.toSingleRange(this.multiSelect.toOrientedRange());\n else\n this.multiSelect.mergeOverlappingRanges();\n }\n };\n this.findAll = function(needle, options, additive) {\n options = options || {};\n options.needle = needle || options.needle;\n if (options.needle == undefined) {\n var range = this.selection.isEmpty()\n ? this.selection.getWordRange()\n : this.selection.getRange();\n options.needle = this.session.getTextRange(range);\n } \n this.$search.set(options);\n \n var ranges = this.$search.findAll(this.session);\n if (!ranges.length)\n return 0;\n\n var selection = this.multiSelect;\n\n if (!additive)\n selection.toSingleRange(ranges[0]);\n\n for (var i = ranges.length; i--; )\n selection.addRange(ranges[i], true);\n if (range && selection.rangeList.rangeAtPoint(range.start))\n selection.addRange(range, true);\n \n return ranges.length;\n };\n this.selectMoreLines = function(dir, skip) {\n var range = this.selection.toOrientedRange();\n var isBackwards = range.cursor == range.end;\n\n var screenLead = this.session.documentToScreenPosition(range.cursor);\n if (this.selection.$desiredColumn)\n screenLead.column = this.selection.$desiredColumn;\n\n var lead = this.session.screenToDocumentPosition(screenLead.row + dir, screenLead.column);\n\n if (!range.isEmpty()) {\n var screenAnchor = this.session.documentToScreenPosition(isBackwards ? range.end : range.start);\n var anchor = this.session.screenToDocumentPosition(screenAnchor.row + dir, screenAnchor.column);\n } else {\n var anchor = lead;\n }\n\n if (isBackwards) {\n var newRange = Range.fromPoints(lead, anchor);\n newRange.cursor = newRange.start;\n } else {\n var newRange = Range.fromPoints(anchor, lead);\n newRange.cursor = newRange.end;\n }\n\n newRange.desiredColumn = screenLead.column;\n if (!this.selection.inMultiSelectMode) {\n this.selection.addRange(range);\n } else {\n if (skip)\n var toRemove = range.cursor;\n }\n\n this.selection.addRange(newRange);\n if (toRemove)\n this.selection.substractPoint(toRemove);\n };\n this.transposeSelections = function(dir) {\n var session = this.session;\n var sel = session.multiSelect;\n var all = sel.ranges;\n\n for (var i = all.length; i--; ) {\n var range = all[i];\n if (range.isEmpty()) {\n var tmp = session.getWordRange(range.start.row, range.start.column);\n range.start.row = tmp.start.row;\n range.start.column = tmp.start.column;\n range.end.row = tmp.end.row;\n range.end.column = tmp.end.column;\n }\n }\n sel.mergeOverlappingRanges();\n\n var words = [];\n for (var i = all.length; i--; ) {\n var range = all[i];\n words.unshift(session.getTextRange(range));\n }\n\n if (dir < 0)\n words.unshift(words.pop());\n else\n words.push(words.shift());\n\n for (var i = all.length; i--; ) {\n var range = all[i];\n var tmp = range.clone();\n session.replace(range, words[i]);\n range.start.row = tmp.start.row;\n range.start.column = tmp.start.column;\n }\n sel.fromOrientedRange(sel.ranges[0]);\n };\n this.selectMore = function(dir, skip, stopAtFirst) {\n var session = this.session;\n var sel = session.multiSelect;\n\n var range = sel.toOrientedRange();\n if (range.isEmpty()) {\n range = session.getWordRange(range.start.row, range.start.column);\n range.cursor = dir == -1 ? range.start : range.end;\n this.multiSelect.addRange(range);\n if (stopAtFirst)\n return;\n }\n var needle = session.getTextRange(range);\n\n var newRange = find(session, needle, dir);\n if (newRange) {\n newRange.cursor = dir == -1 ? newRange.start : newRange.end;\n this.session.unfold(newRange);\n this.multiSelect.addRange(newRange);\n this.renderer.scrollCursorIntoView(null, 0.5);\n }\n if (skip)\n this.multiSelect.substractPoint(range.cursor);\n };\n this.alignCursors = function() {\n var session = this.session;\n var sel = session.multiSelect;\n var ranges = sel.ranges;\n var row = -1;\n var sameRowRanges = ranges.filter(function(r) {\n if (r.cursor.row == row)\n return true;\n row = r.cursor.row;\n });\n \n if (!ranges.length || sameRowRanges.length == ranges.length - 1) {\n var range = this.selection.getRange();\n var fr = range.start.row, lr = range.end.row;\n var guessRange = fr == lr;\n if (guessRange) {\n var max = this.session.getLength();\n var line;\n do {\n line = this.session.getLine(lr);\n } while (/[=:]/.test(line) && ++lr < max);\n do {\n line = this.session.getLine(fr);\n } while (/[=:]/.test(line) && --fr > 0);\n \n if (fr < 0) fr = 0;\n if (lr >= max) lr = max - 1;\n }\n var lines = this.session.removeFullLines(fr, lr);\n lines = this.$reAlignText(lines, guessRange);\n this.session.insert({row: fr, column: 0}, lines.join(\"\\n\") + \"\\n\");\n if (!guessRange) {\n range.start.column = 0;\n range.end.column = lines[lines.length - 1].length;\n }\n this.selection.setRange(range);\n } else {\n sameRowRanges.forEach(function(r) {\n sel.substractPoint(r.cursor);\n });\n\n var maxCol = 0;\n var minSpace = Infinity;\n var spaceOffsets = ranges.map(function(r) {\n var p = r.cursor;\n var line = session.getLine(p.row);\n var spaceOffset = line.substr(p.column).search(/\\S/g);\n if (spaceOffset == -1)\n spaceOffset = 0;\n\n if (p.column > maxCol)\n maxCol = p.column;\n if (spaceOffset < minSpace)\n minSpace = spaceOffset;\n return spaceOffset;\n });\n ranges.forEach(function(r, i) {\n var p = r.cursor;\n var l = maxCol - p.column;\n var d = spaceOffsets[i] - minSpace;\n if (l > d)\n session.insert(p, lang.stringRepeat(\" \", l - d));\n else\n session.remove(new Range(p.row, p.column, p.row, p.column - l + d));\n\n r.start.column = r.end.column = maxCol;\n r.start.row = r.end.row = p.row;\n r.cursor = r.end;\n });\n sel.fromOrientedRange(ranges[0]);\n this.renderer.updateCursor();\n this.renderer.updateBackMarkers();\n }\n };\n\n this.$reAlignText = function(lines, forceLeft) {\n var isLeftAligned = true, isRightAligned = true;\n var startW, textW, endW;\n\n return lines.map(function(line) {\n var m = line.match(/(\\s*)(.*?)(\\s*)([=:].*)/);\n if (!m)\n return [line];\n\n if (startW == null) {\n startW = m[1].length;\n textW = m[2].length;\n endW = m[3].length;\n return m;\n }\n\n if (startW + textW + endW != m[1].length + m[2].length + m[3].length)\n isRightAligned = false;\n if (startW != m[1].length)\n isLeftAligned = false;\n\n if (startW > m[1].length)\n startW = m[1].length;\n if (textW < m[2].length)\n textW = m[2].length;\n if (endW > m[3].length)\n endW = m[3].length;\n\n return m;\n }).map(forceLeft ? alignLeft :\n isLeftAligned ? isRightAligned ? alignRight : alignLeft : unAlign);\n\n function spaces(n) {\n return lang.stringRepeat(\" \", n);\n }\n\n function alignLeft(m) {\n return !m[2] ? m[0] : spaces(startW) + m[2]\n + spaces(textW - m[2].length + endW)\n + m[4].replace(/^([=:])\\s+/, \"$1 \");\n }\n function alignRight(m) {\n return !m[2] ? m[0] : spaces(startW + textW - m[2].length) + m[2]\n + spaces(endW)\n + m[4].replace(/^([=:])\\s+/, \"$1 \");\n }\n function unAlign(m) {\n return !m[2] ? m[0] : spaces(startW) + m[2]\n + spaces(endW)\n + m[4].replace(/^([=:])\\s+/, \"$1 \");\n }\n };\n}).call(Editor.prototype);\n\n\nfunction isSamePoint(p1, p2) {\n return p1.row == p2.row && p1.column == p2.column;\n}\nexports.onSessionChange = function(e) {\n var session = e.session;\n if (session && !session.multiSelect) {\n session.$selectionMarkers = [];\n session.selection.$initRangeList();\n session.multiSelect = session.selection;\n }\n this.multiSelect = session && session.multiSelect;\n\n var oldSession = e.oldSession;\n if (oldSession) {\n oldSession.multiSelect.off(\"addRange\", this.$onAddRange);\n oldSession.multiSelect.off(\"removeRange\", this.$onRemoveRange);\n oldSession.multiSelect.off(\"multiSelect\", this.$onMultiSelect);\n oldSession.multiSelect.off(\"singleSelect\", this.$onSingleSelect);\n oldSession.multiSelect.lead.off(\"change\", this.$checkMultiselectChange);\n oldSession.multiSelect.anchor.off(\"change\", this.$checkMultiselectChange);\n }\n\n if (session) {\n session.multiSelect.on(\"addRange\", this.$onAddRange);\n session.multiSelect.on(\"removeRange\", this.$onRemoveRange);\n session.multiSelect.on(\"multiSelect\", this.$onMultiSelect);\n session.multiSelect.on(\"singleSelect\", this.$onSingleSelect);\n session.multiSelect.lead.on(\"change\", this.$checkMultiselectChange);\n session.multiSelect.anchor.on(\"change\", this.$checkMultiselectChange);\n }\n\n if (session && this.inMultiSelectMode != session.selection.inMultiSelectMode) {\n if (session.selection.inMultiSelectMode)\n this.$onMultiSelect();\n else\n this.$onSingleSelect();\n }\n};\nfunction MultiSelect(editor) {\n if (editor.$multiselectOnSessionChange)\n return;\n editor.$onAddRange = editor.$onAddRange.bind(editor);\n editor.$onRemoveRange = editor.$onRemoveRange.bind(editor);\n editor.$onMultiSelect = editor.$onMultiSelect.bind(editor);\n editor.$onSingleSelect = editor.$onSingleSelect.bind(editor);\n editor.$multiselectOnSessionChange = exports.onSessionChange.bind(editor);\n editor.$checkMultiselectChange = editor.$checkMultiselectChange.bind(editor);\n\n editor.$multiselectOnSessionChange(editor);\n editor.on(\"changeSession\", editor.$multiselectOnSessionChange);\n\n editor.on(\"mousedown\", onMouseDown);\n editor.commands.addCommands(commands.defaultCommands);\n\n addAltCursorListeners(editor);\n}\n\nfunction addAltCursorListeners(editor){\n if (!editor.textInput) return;\n var el = editor.textInput.getElement();\n var altCursor = false;\n event.addListener(el, \"keydown\", function(e) {\n var altDown = e.keyCode == 18 && !(e.ctrlKey || e.shiftKey || e.metaKey);\n if (editor.$blockSelectEnabled && altDown) {\n if (!altCursor) {\n editor.renderer.setMouseCursor(\"crosshair\");\n altCursor = true;\n }\n } else if (altCursor) {\n reset();\n }\n }, editor);\n\n event.addListener(el, \"keyup\", reset, editor);\n event.addListener(el, \"blur\", reset, editor);\n function reset(e) {\n if (altCursor) {\n editor.renderer.setMouseCursor(\"\");\n altCursor = false;\n }\n }\n}\n\nexports.MultiSelect = MultiSelect;\n\n\nrequire(\"./config\").defineOptions(Editor.prototype, \"editor\", {\n enableMultiselect: {\n set: function(val) {\n MultiSelect(this);\n if (val) {\n this.on(\"changeSession\", this.$multiselectOnSessionChange);\n this.on(\"mousedown\", onMouseDown);\n } else {\n this.off(\"changeSession\", this.$multiselectOnSessionChange);\n this.off(\"mousedown\", onMouseDown);\n }\n },\n value: true\n },\n enableBlockSelect: {\n set: function(val) {\n this.$blockSelectEnabled = val;\n },\n value: true\n }\n});\n\n\n\n});\n\nace.define(\"ace/mode/folding/fold_mode\",[\"require\",\"exports\",\"module\",\"ace/range\"], function(require, exports, module) {\n\"use strict\";\n\nvar Range = require(\"../../range\").Range;\n\nvar FoldMode = exports.FoldMode = function() {};\n\n(function() {\n\n this.foldingStartMarker = null;\n this.foldingStopMarker = null;\n this.getFoldWidget = function(session, foldStyle, row) {\n var line = session.getLine(row);\n if (this.foldingStartMarker.test(line))\n return \"start\";\n if (foldStyle == \"markbeginend\"\n && this.foldingStopMarker\n && this.foldingStopMarker.test(line))\n return \"end\";\n return \"\";\n };\n\n this.getFoldWidgetRange = function(session, foldStyle, row) {\n return null;\n };\n\n this.indentationBlock = function(session, row, column) {\n var re = /\\S/;\n var line = session.getLine(row);\n var startLevel = line.search(re);\n if (startLevel == -1)\n return;\n\n var startColumn = column || line.length;\n var maxRow = session.getLength();\n var startRow = row;\n var endRow = row;\n\n while (++row < maxRow) {\n var level = session.getLine(row).search(re);\n\n if (level == -1)\n continue;\n\n if (level <= startLevel) {\n var token = session.getTokenAt(row, 0);\n if (!token || token.type !== \"string\")\n break;\n }\n\n endRow = row;\n }\n\n if (endRow > startRow) {\n var endColumn = session.getLine(endRow).length;\n return new Range(startRow, startColumn, endRow, endColumn);\n }\n };\n\n this.openingBracketBlock = function(session, bracket, row, column, typeRe) {\n var start = {row: row, column: column + 1};\n var end = session.$findClosingBracket(bracket, start, typeRe);\n if (!end)\n return;\n\n var fw = session.foldWidgets[end.row];\n if (fw == null)\n fw = session.getFoldWidget(end.row);\n\n if (fw == \"start\" && end.row > start.row) {\n end.row --;\n end.column = session.getLine(end.row).length;\n }\n return Range.fromPoints(start, end);\n };\n\n this.closingBracketBlock = function(session, bracket, row, column, typeRe) {\n var end = {row: row, column: column};\n var start = session.$findOpeningBracket(bracket, end);\n\n if (!start)\n return;\n\n start.column++;\n end.column--;\n\n return Range.fromPoints(start, end);\n };\n}).call(FoldMode.prototype);\n\n});\n\nace.define(\"ace/theme/textmate\",[\"require\",\"exports\",\"module\",\"ace/lib/dom\"], function(require, exports, module) {\n\"use strict\";\n\nexports.isDark = false;\nexports.cssClass = \"ace-tm\";\nexports.cssText = \".ace-tm .ace_gutter {\\\nbackground: #f0f0f0;\\\ncolor: #333;\\\n}\\\n.ace-tm .ace_print-margin {\\\nwidth: 1px;\\\nbackground: #e8e8e8;\\\n}\\\n.ace-tm .ace_fold {\\\nbackground-color: #6B72E6;\\\n}\\\n.ace-tm {\\\nbackground-color: #FFFFFF;\\\ncolor: black;\\\n}\\\n.ace-tm .ace_cursor {\\\ncolor: black;\\\n}\\\n.ace-tm .ace_invisible {\\\ncolor: rgb(191, 191, 191);\\\n}\\\n.ace-tm .ace_storage,\\\n.ace-tm .ace_keyword {\\\ncolor: blue;\\\n}\\\n.ace-tm .ace_constant {\\\ncolor: rgb(197, 6, 11);\\\n}\\\n.ace-tm .ace_constant.ace_buildin {\\\ncolor: rgb(88, 72, 246);\\\n}\\\n.ace-tm .ace_constant.ace_language {\\\ncolor: rgb(88, 92, 246);\\\n}\\\n.ace-tm .ace_constant.ace_library {\\\ncolor: rgb(6, 150, 14);\\\n}\\\n.ace-tm .ace_invalid {\\\nbackground-color: rgba(255, 0, 0, 0.1);\\\ncolor: red;\\\n}\\\n.ace-tm .ace_support.ace_function {\\\ncolor: rgb(60, 76, 114);\\\n}\\\n.ace-tm .ace_support.ace_constant {\\\ncolor: rgb(6, 150, 14);\\\n}\\\n.ace-tm .ace_support.ace_type,\\\n.ace-tm .ace_support.ace_class {\\\ncolor: rgb(109, 121, 222);\\\n}\\\n.ace-tm .ace_keyword.ace_operator {\\\ncolor: rgb(104, 118, 135);\\\n}\\\n.ace-tm .ace_string {\\\ncolor: rgb(3, 106, 7);\\\n}\\\n.ace-tm .ace_comment {\\\ncolor: rgb(76, 136, 107);\\\n}\\\n.ace-tm .ace_comment.ace_doc {\\\ncolor: rgb(0, 102, 255);\\\n}\\\n.ace-tm .ace_comment.ace_doc.ace_tag {\\\ncolor: rgb(128, 159, 191);\\\n}\\\n.ace-tm .ace_constant.ace_numeric {\\\ncolor: rgb(0, 0, 205);\\\n}\\\n.ace-tm .ace_variable {\\\ncolor: rgb(49, 132, 149);\\\n}\\\n.ace-tm .ace_xml-pe {\\\ncolor: rgb(104, 104, 91);\\\n}\\\n.ace-tm .ace_entity.ace_name.ace_function {\\\ncolor: #0000A2;\\\n}\\\n.ace-tm .ace_heading {\\\ncolor: rgb(12, 7, 255);\\\n}\\\n.ace-tm .ace_list {\\\ncolor:rgb(185, 6, 144);\\\n}\\\n.ace-tm .ace_meta.ace_tag {\\\ncolor:rgb(0, 22, 142);\\\n}\\\n.ace-tm .ace_string.ace_regex {\\\ncolor: rgb(255, 0, 0)\\\n}\\\n.ace-tm .ace_marker-layer .ace_selection {\\\nbackground: rgb(181, 213, 255);\\\n}\\\n.ace-tm.ace_multiselect .ace_selection.ace_start {\\\nbox-shadow: 0 0 3px 0px white;\\\n}\\\n.ace-tm .ace_marker-layer .ace_step {\\\nbackground: rgb(252, 255, 0);\\\n}\\\n.ace-tm .ace_marker-layer .ace_stack {\\\nbackground: rgb(164, 229, 101);\\\n}\\\n.ace-tm .ace_marker-layer .ace_bracket {\\\nmargin: -1px 0 0 -1px;\\\nborder: 1px solid rgb(192, 192, 192);\\\n}\\\n.ace-tm .ace_marker-layer .ace_active-line {\\\nbackground: rgba(0, 0, 0, 0.07);\\\n}\\\n.ace-tm .ace_gutter-active-line {\\\nbackground-color : #dcdcdc;\\\n}\\\n.ace-tm .ace_marker-layer .ace_selected-word {\\\nbackground: rgb(250, 250, 255);\\\nborder: 1px solid rgb(200, 200, 250);\\\n}\\\n.ace-tm .ace_indent-guide {\\\nbackground: url(\\\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAACCAYAAACZgbYnAAAAE0lEQVQImWP4////f4bLly//BwAmVgd1/w11/gAAAABJRU5ErkJggg==\\\") right repeat-y;\\\n}\\\n\";\nexports.$id = \"ace/theme/textmate\";\n\nvar dom = require(\"../lib/dom\");\ndom.importCssString(exports.cssText, exports.cssClass);\n});\n\nace.define(\"ace/line_widgets\",[\"require\",\"exports\",\"module\",\"ace/lib/dom\"], function(require, exports, module) {\n\"use strict\";\n\nvar dom = require(\"./lib/dom\");\n\nfunction LineWidgets(session) {\n this.session = session;\n this.session.widgetManager = this;\n this.session.getRowLength = this.getRowLength;\n this.session.$getWidgetScreenLength = this.$getWidgetScreenLength;\n this.updateOnChange = this.updateOnChange.bind(this);\n this.renderWidgets = this.renderWidgets.bind(this);\n this.measureWidgets = this.measureWidgets.bind(this);\n this.session._changedWidgets = [];\n this.$onChangeEditor = this.$onChangeEditor.bind(this);\n \n this.session.on(\"change\", this.updateOnChange);\n this.session.on(\"changeFold\", this.updateOnFold);\n this.session.on(\"changeEditor\", this.$onChangeEditor);\n}\n\n(function() {\n this.getRowLength = function(row) {\n var h;\n if (this.lineWidgets)\n h = this.lineWidgets[row] && this.lineWidgets[row].rowCount || 0;\n else \n h = 0;\n if (!this.$useWrapMode || !this.$wrapData[row]) {\n return 1 + h;\n } else {\n return this.$wrapData[row].length + 1 + h;\n }\n };\n\n this.$getWidgetScreenLength = function() {\n var screenRows = 0;\n this.lineWidgets.forEach(function(w){\n if (w && w.rowCount && !w.hidden)\n screenRows += w.rowCount;\n });\n return screenRows;\n }; \n \n this.$onChangeEditor = function(e) {\n this.attach(e.editor);\n };\n \n this.attach = function(editor) {\n if (editor && editor.widgetManager && editor.widgetManager != this)\n editor.widgetManager.detach();\n\n if (this.editor == editor)\n return;\n\n this.detach();\n this.editor = editor;\n \n if (editor) {\n editor.widgetManager = this;\n editor.renderer.on(\"beforeRender\", this.measureWidgets);\n editor.renderer.on(\"afterRender\", this.renderWidgets);\n }\n };\n this.detach = function(e) {\n var editor = this.editor;\n if (!editor)\n return;\n \n this.editor = null;\n editor.widgetManager = null;\n \n editor.renderer.off(\"beforeRender\", this.measureWidgets);\n editor.renderer.off(\"afterRender\", this.renderWidgets);\n var lineWidgets = this.session.lineWidgets;\n lineWidgets && lineWidgets.forEach(function(w) {\n if (w && w.el && w.el.parentNode) {\n w._inDocument = false;\n w.el.parentNode.removeChild(w.el);\n }\n });\n };\n\n this.updateOnFold = function(e, session) {\n var lineWidgets = session.lineWidgets;\n if (!lineWidgets || !e.action)\n return;\n var fold = e.data;\n var start = fold.start.row;\n var end = fold.end.row;\n var hide = e.action == \"add\";\n for (var i = start + 1; i < end; i++) {\n if (lineWidgets[i])\n lineWidgets[i].hidden = hide;\n }\n if (lineWidgets[end]) {\n if (hide) {\n if (!lineWidgets[start])\n lineWidgets[start] = lineWidgets[end];\n else\n lineWidgets[end].hidden = hide;\n } else {\n if (lineWidgets[start] == lineWidgets[end])\n lineWidgets[start] = undefined;\n lineWidgets[end].hidden = hide;\n }\n }\n };\n \n this.updateOnChange = function(delta) {\n var lineWidgets = this.session.lineWidgets;\n if (!lineWidgets) return;\n \n var startRow = delta.start.row;\n var len = delta.end.row - startRow;\n\n if (len === 0) {\n } else if (delta.action == \"remove\") {\n var removed = lineWidgets.splice(startRow + 1, len);\n if (!lineWidgets[startRow] && removed[removed.length - 1]) {\n lineWidgets[startRow] = removed.pop();\n }\n removed.forEach(function(w) {\n w && this.removeLineWidget(w);\n }, this);\n this.$updateRows();\n } else {\n var args = new Array(len);\n if (lineWidgets[startRow] && lineWidgets[startRow].column != null) {\n if (delta.start.column > lineWidgets[startRow].column)\n startRow++;\n }\n args.unshift(startRow, 0);\n lineWidgets.splice.apply(lineWidgets, args);\n this.$updateRows();\n }\n };\n \n this.$updateRows = function() {\n var lineWidgets = this.session.lineWidgets;\n if (!lineWidgets) return;\n var noWidgets = true;\n lineWidgets.forEach(function(w, i) {\n if (w) {\n noWidgets = false;\n w.row = i;\n while (w.$oldWidget) {\n w.$oldWidget.row = i;\n w = w.$oldWidget;\n }\n }\n });\n if (noWidgets)\n this.session.lineWidgets = null;\n };\n\n this.$registerLineWidget = function(w) {\n if (!this.session.lineWidgets)\n this.session.lineWidgets = new Array(this.session.getLength());\n \n var old = this.session.lineWidgets[w.row];\n if (old) {\n w.$oldWidget = old;\n if (old.el && old.el.parentNode) {\n old.el.parentNode.removeChild(old.el);\n old._inDocument = false;\n }\n }\n \n this.session.lineWidgets[w.row] = w;\n return w;\n };\n \n this.addLineWidget = function(w) {\n this.$registerLineWidget(w);\n w.session = this.session;\n \n if (!this.editor) return w;\n \n var renderer = this.editor.renderer;\n if (w.html && !w.el) {\n w.el = dom.createElement(\"div\");\n w.el.innerHTML = w.html;\n }\n if (w.el) {\n dom.addCssClass(w.el, \"ace_lineWidgetContainer\");\n w.el.style.position = \"absolute\";\n w.el.style.zIndex = 5;\n renderer.container.appendChild(w.el);\n w._inDocument = true;\n \n if (!w.coverGutter) {\n w.el.style.zIndex = 3;\n }\n if (w.pixelHeight == null) {\n w.pixelHeight = w.el.offsetHeight;\n }\n }\n if (w.rowCount == null) {\n w.rowCount = w.pixelHeight / renderer.layerConfig.lineHeight;\n }\n \n var fold = this.session.getFoldAt(w.row, 0);\n w.$fold = fold;\n if (fold) {\n var lineWidgets = this.session.lineWidgets;\n if (w.row == fold.end.row && !lineWidgets[fold.start.row])\n lineWidgets[fold.start.row] = w;\n else\n w.hidden = true;\n }\n \n this.session._emit(\"changeFold\", {data:{start:{row: w.row}}});\n \n this.$updateRows();\n this.renderWidgets(null, renderer);\n this.onWidgetChanged(w);\n return w;\n };\n \n this.removeLineWidget = function(w) {\n w._inDocument = false;\n w.session = null;\n if (w.el && w.el.parentNode)\n w.el.parentNode.removeChild(w.el);\n if (w.editor && w.editor.destroy) try {\n w.editor.destroy();\n } catch(e){}\n if (this.session.lineWidgets) {\n var w1 = this.session.lineWidgets[w.row];\n if (w1 == w) {\n this.session.lineWidgets[w.row] = w.$oldWidget;\n if (w.$oldWidget)\n this.onWidgetChanged(w.$oldWidget);\n } else {\n while (w1) {\n if (w1.$oldWidget == w) {\n w1.$oldWidget = w.$oldWidget;\n break;\n }\n w1 = w1.$oldWidget;\n }\n }\n }\n this.session._emit(\"changeFold\", {data:{start:{row: w.row}}});\n this.$updateRows();\n };\n \n this.getWidgetsAtRow = function(row) {\n var lineWidgets = this.session.lineWidgets;\n var w = lineWidgets && lineWidgets[row];\n var list = [];\n while (w) {\n list.push(w);\n w = w.$oldWidget;\n }\n return list;\n };\n \n this.onWidgetChanged = function(w) {\n this.session._changedWidgets.push(w);\n this.editor && this.editor.renderer.updateFull();\n };\n \n this.measureWidgets = function(e, renderer) {\n var changedWidgets = this.session._changedWidgets;\n var config = renderer.layerConfig;\n \n if (!changedWidgets || !changedWidgets.length) return;\n var min = Infinity;\n for (var i = 0; i < changedWidgets.length; i++) {\n var w = changedWidgets[i];\n if (!w || !w.el) continue;\n if (w.session != this.session) continue;\n if (!w._inDocument) {\n if (this.session.lineWidgets[w.row] != w)\n continue;\n w._inDocument = true;\n renderer.container.appendChild(w.el);\n }\n \n w.h = w.el.offsetHeight;\n \n if (!w.fixedWidth) {\n w.w = w.el.offsetWidth;\n w.screenWidth = Math.ceil(w.w / config.characterWidth);\n }\n \n var rowCount = w.h / config.lineHeight;\n if (w.coverLine) {\n rowCount -= this.session.getRowLineCount(w.row);\n if (rowCount < 0)\n rowCount = 0;\n }\n if (w.rowCount != rowCount) {\n w.rowCount = rowCount;\n if (w.row < min)\n min = w.row;\n }\n }\n if (min != Infinity) {\n this.session._emit(\"changeFold\", {data:{start:{row: min}}});\n this.session.lineWidgetWidth = null;\n }\n this.session._changedWidgets = [];\n };\n \n this.renderWidgets = function(e, renderer) {\n var config = renderer.layerConfig;\n var lineWidgets = this.session.lineWidgets;\n if (!lineWidgets)\n return;\n var first = Math.min(this.firstRow, config.firstRow);\n var last = Math.max(this.lastRow, config.lastRow, lineWidgets.length);\n \n while (first > 0 && !lineWidgets[first])\n first--;\n \n this.firstRow = config.firstRow;\n this.lastRow = config.lastRow;\n\n renderer.$cursorLayer.config = config;\n for (var i = first; i <= last; i++) {\n var w = lineWidgets[i];\n if (!w || !w.el) continue;\n if (w.hidden) {\n w.el.style.top = -100 - (w.pixelHeight || 0) + \"px\";\n continue;\n }\n if (!w._inDocument) {\n w._inDocument = true;\n renderer.container.appendChild(w.el);\n }\n var top = renderer.$cursorLayer.getPixelPosition({row: i, column:0}, true).top;\n if (!w.coverLine)\n top += config.lineHeight * this.session.getRowLineCount(w.row);\n w.el.style.top = top - config.offset + \"px\";\n \n var left = w.coverGutter ? 0 : renderer.gutterWidth;\n if (!w.fixedWidth)\n left -= renderer.scrollLeft;\n w.el.style.left = left + \"px\";\n \n if (w.fullWidth && w.screenWidth) {\n w.el.style.minWidth = config.width + 2 * config.padding + \"px\";\n }\n \n if (w.fixedWidth) {\n w.el.style.right = renderer.scrollBar.getWidth() + \"px\";\n } else {\n w.el.style.right = \"\";\n }\n }\n };\n \n}).call(LineWidgets.prototype);\n\n\nexports.LineWidgets = LineWidgets;\n\n});\n\nace.define(\"ace/ext/error_marker\",[\"require\",\"exports\",\"module\",\"ace/line_widgets\",\"ace/lib/dom\",\"ace/range\"], function(require, exports, module) {\n\"use strict\";\nvar LineWidgets = require(\"../line_widgets\").LineWidgets;\nvar dom = require(\"../lib/dom\");\nvar Range = require(\"../range\").Range;\n\nfunction binarySearch(array, needle, comparator) {\n var first = 0;\n var last = array.length - 1;\n\n while (first <= last) {\n var mid = (first + last) >> 1;\n var c = comparator(needle, array[mid]);\n if (c > 0)\n first = mid + 1;\n else if (c < 0)\n last = mid - 1;\n else\n return mid;\n }\n return -(first + 1);\n}\n\nfunction findAnnotations(session, row, dir) {\n var annotations = session.getAnnotations().sort(Range.comparePoints);\n if (!annotations.length)\n return;\n \n var i = binarySearch(annotations, {row: row, column: -1}, Range.comparePoints);\n if (i < 0)\n i = -i - 1;\n \n if (i >= annotations.length)\n i = dir > 0 ? 0 : annotations.length - 1;\n else if (i === 0 && dir < 0)\n i = annotations.length - 1;\n \n var annotation = annotations[i];\n if (!annotation || !dir)\n return;\n\n if (annotation.row === row) {\n do {\n annotation = annotations[i += dir];\n } while (annotation && annotation.row === row);\n if (!annotation)\n return annotations.slice();\n }\n \n \n var matched = [];\n row = annotation.row;\n do {\n matched[dir < 0 ? \"unshift\" : \"push\"](annotation);\n annotation = annotations[i += dir];\n } while (annotation && annotation.row == row);\n return matched.length && matched;\n}\n\nexports.showErrorMarker = function(editor, dir) {\n var session = editor.session;\n if (!session.widgetManager) {\n session.widgetManager = new LineWidgets(session);\n session.widgetManager.attach(editor);\n }\n \n var pos = editor.getCursorPosition();\n var row = pos.row;\n var oldWidget = session.widgetManager.getWidgetsAtRow(row).filter(function(w) {\n return w.type == \"errorMarker\";\n })[0];\n if (oldWidget) {\n oldWidget.destroy();\n } else {\n row -= dir;\n }\n var annotations = findAnnotations(session, row, dir);\n var gutterAnno;\n if (annotations) {\n var annotation = annotations[0];\n pos.column = (annotation.pos && typeof annotation.column != \"number\"\n ? annotation.pos.sc\n : annotation.column) || 0;\n pos.row = annotation.row;\n gutterAnno = editor.renderer.$gutterLayer.$annotations[pos.row];\n } else if (oldWidget) {\n return;\n } else {\n gutterAnno = {\n text: [\"Looks good!\"],\n className: \"ace_ok\"\n };\n }\n editor.session.unfold(pos.row);\n editor.selection.moveToPosition(pos);\n \n var w = {\n row: pos.row, \n fixedWidth: true,\n coverGutter: true,\n el: dom.createElement(\"div\"),\n type: \"errorMarker\"\n };\n var el = w.el.appendChild(dom.createElement(\"div\"));\n var arrow = w.el.appendChild(dom.createElement(\"div\"));\n arrow.className = \"error_widget_arrow \" + gutterAnno.className;\n \n var left = editor.renderer.$cursorLayer\n .getPixelPosition(pos).left;\n arrow.style.left = left + editor.renderer.gutterWidth - 5 + \"px\";\n \n w.el.className = \"error_widget_wrapper\";\n el.className = \"error_widget \" + gutterAnno.className;\n el.innerHTML = gutterAnno.text.join(\"
\");\n \n el.appendChild(dom.createElement(\"div\"));\n \n var kb = function(_, hashId, keyString) {\n if (hashId === 0 && (keyString === \"esc\" || keyString === \"return\")) {\n w.destroy();\n return {command: \"null\"};\n }\n };\n \n w.destroy = function() {\n if (editor.$mouseHandler.isMousePressed)\n return;\n editor.keyBinding.removeKeyboardHandler(kb);\n session.widgetManager.removeLineWidget(w);\n editor.off(\"changeSelection\", w.destroy);\n editor.off(\"changeSession\", w.destroy);\n editor.off(\"mouseup\", w.destroy);\n editor.off(\"change\", w.destroy);\n };\n \n editor.keyBinding.addKeyboardHandler(kb);\n editor.on(\"changeSelection\", w.destroy);\n editor.on(\"changeSession\", w.destroy);\n editor.on(\"mouseup\", w.destroy);\n editor.on(\"change\", w.destroy);\n \n editor.session.widgetManager.addLineWidget(w);\n \n w.el.onmousedown = editor.focus.bind(editor);\n \n editor.renderer.scrollCursorIntoView(null, 0.5, {bottom: w.el.offsetHeight});\n};\n\n\ndom.importCssString(\"\\\n .error_widget_wrapper {\\\n background: inherit;\\\n color: inherit;\\\n border:none\\\n }\\\n .error_widget {\\\n border-top: solid 2px;\\\n border-bottom: solid 2px;\\\n margin: 5px 0;\\\n padding: 10px 40px;\\\n white-space: pre-wrap;\\\n }\\\n .error_widget.ace_error, .error_widget_arrow.ace_error{\\\n border-color: #ff5a5a\\\n }\\\n .error_widget.ace_warning, .error_widget_arrow.ace_warning{\\\n border-color: #F1D817\\\n }\\\n .error_widget.ace_info, .error_widget_arrow.ace_info{\\\n border-color: #5a5a5a\\\n }\\\n .error_widget.ace_ok, .error_widget_arrow.ace_ok{\\\n border-color: #5aaa5a\\\n }\\\n .error_widget_arrow {\\\n position: absolute;\\\n border: solid 5px;\\\n border-top-color: transparent!important;\\\n border-right-color: transparent!important;\\\n border-left-color: transparent!important;\\\n top: -5px;\\\n }\\\n\", \"\");\n\n});\n\nace.define(\"ace/ace\",[\"require\",\"exports\",\"module\",\"ace/lib/fixoldbrowsers\",\"ace/lib/dom\",\"ace/lib/event\",\"ace/range\",\"ace/editor\",\"ace/edit_session\",\"ace/undomanager\",\"ace/virtual_renderer\",\"ace/worker/worker_client\",\"ace/keyboard/hash_handler\",\"ace/placeholder\",\"ace/multi_select\",\"ace/mode/folding/fold_mode\",\"ace/theme/textmate\",\"ace/ext/error_marker\",\"ace/config\"], function(require, exports, module) {\n\"use strict\";\n\nrequire(\"./lib/fixoldbrowsers\");\n\nvar dom = require(\"./lib/dom\");\nvar event = require(\"./lib/event\");\n\nvar Range = require(\"./range\").Range;\nvar Editor = require(\"./editor\").Editor;\nvar EditSession = require(\"./edit_session\").EditSession;\nvar UndoManager = require(\"./undomanager\").UndoManager;\nvar Renderer = require(\"./virtual_renderer\").VirtualRenderer;\nrequire(\"./worker/worker_client\");\nrequire(\"./keyboard/hash_handler\");\nrequire(\"./placeholder\");\nrequire(\"./multi_select\");\nrequire(\"./mode/folding/fold_mode\");\nrequire(\"./theme/textmate\");\nrequire(\"./ext/error_marker\");\n\nexports.config = require(\"./config\");\nexports.require = require;\n\nif (typeof define === \"function\")\n exports.define = define;\nexports.edit = function(el, options) {\n if (typeof el == \"string\") {\n var _id = el;\n el = document.getElementById(_id);\n if (!el)\n throw new Error(\"ace.edit can't find div #\" + _id);\n }\n\n if (el && el.env && el.env.editor instanceof Editor)\n return el.env.editor;\n\n var value = \"\";\n if (el && /input|textarea/i.test(el.tagName)) {\n var oldNode = el;\n value = oldNode.value;\n el = dom.createElement(\"pre\");\n oldNode.parentNode.replaceChild(el, oldNode);\n } else if (el) {\n value = el.textContent;\n el.innerHTML = \"\";\n }\n\n var doc = exports.createEditSession(value);\n\n var editor = new Editor(new Renderer(el), doc, options);\n\n var env = {\n document: doc,\n editor: editor,\n onResize: editor.resize.bind(editor, null)\n };\n if (oldNode) env.textarea = oldNode;\n event.addListener(window, \"resize\", env.onResize);\n editor.on(\"destroy\", function() {\n event.removeListener(window, \"resize\", env.onResize);\n env.editor.container.env = null; // prevent memory leak on old ie\n });\n editor.container.env = editor.env = env;\n return editor;\n};\nexports.createEditSession = function(text, mode) {\n var doc = new EditSession(text, mode);\n doc.setUndoManager(new UndoManager());\n return doc;\n};\nexports.Range = Range;\nexports.Editor = Editor;\nexports.EditSession = EditSession;\nexports.UndoManager = UndoManager;\nexports.VirtualRenderer = Renderer;\nexports.version = exports.config.version;\n}); (function() {\n ace.require([\"ace/ace\"], function(a) {\n if (a) {\n a.config.init(true);\n a.define = ace.define;\n }\n if (!window.ace)\n window.ace = a;\n for (var key in a) if (a.hasOwnProperty(key))\n window.ace[key] = a[key];\n window.ace[\"default\"] = window.ace;\n if (typeof module == \"object\" && typeof exports == \"object\" && module) {\n module.exports = window.ace;\n }\n });\n })();\n ","module.exports = function() {\n\tthrow new Error(\"define cannot be used indirect\");\n};\n","\"use strict\";\nvar __extends = (this && this.__extends) || (function () {\n var extendStatics = function (d, b) {\n extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\n return extendStatics(d, b);\n };\n return function (d, b) {\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\nvar __assign = (this && this.__assign) || function () {\n __assign = Object.assign || function(t) {\n for (var s, i = 1, n = arguments.length; i < n; i++) {\n s = arguments[i];\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))\n t[p] = s[p];\n }\n return t;\n };\n return __assign.apply(this, arguments);\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar editorOptions_1 = require(\"./editorOptions\");\nvar ace = editorOptions_1.getAceInstance();\nvar ace_builds_1 = require(\"ace-builds\");\nvar ext_split_1 = require(\"ace-builds/src-noconflict/ext-split\");\nvar PropTypes = require(\"prop-types\");\nvar React = require(\"react\");\nvar isEqual = require(\"lodash.isequal\");\nvar get = require(\"lodash.get\");\nvar SplitComponent = /** @class */ (function (_super) {\n __extends(SplitComponent, _super);\n function SplitComponent(props) {\n var _this = _super.call(this, props) || this;\n editorOptions_1.editorEvents.forEach(function (method) {\n _this[method] = _this[method].bind(_this);\n });\n _this.debounce = editorOptions_1.debounce;\n return _this;\n }\n SplitComponent.prototype.componentDidMount = function () {\n var _this = this;\n var _a = this.props, className = _a.className, onBeforeLoad = _a.onBeforeLoad, mode = _a.mode, focus = _a.focus, theme = _a.theme, fontSize = _a.fontSize, value = _a.value, defaultValue = _a.defaultValue, cursorStart = _a.cursorStart, showGutter = _a.showGutter, wrapEnabled = _a.wrapEnabled, showPrintMargin = _a.showPrintMargin, _b = _a.scrollMargin, scrollMargin = _b === void 0 ? [0, 0, 0, 0] : _b, keyboardHandler = _a.keyboardHandler, onLoad = _a.onLoad, commands = _a.commands, annotations = _a.annotations, markers = _a.markers, splits = _a.splits;\n this.editor = ace.edit(this.refEditor);\n this.editor.setTheme(\"ace/theme/\" + theme);\n if (onBeforeLoad) {\n onBeforeLoad(ace);\n }\n var editorProps = Object.keys(this.props.editorProps);\n var split = new ext_split_1.Split(this.editor.container, \"ace/theme/\" + theme, splits);\n this.editor.env.split = split;\n this.splitEditor = split.getEditor(0);\n this.split = split;\n // in a split scenario we don't want a print margin for the entire application\n this.editor.setShowPrintMargin(false);\n this.editor.renderer.setShowGutter(false);\n // get a list of possible options to avoid 'misspelled option errors'\n var availableOptions = this.splitEditor.$options;\n if (this.props.debounceChangePeriod) {\n this.onChange = this.debounce(this.onChange, this.props.debounceChangePeriod);\n }\n split.forEach(function (editor, index) {\n for (var i = 0; i < editorProps.length; i++) {\n editor[editorProps[i]] = _this.props.editorProps[editorProps[i]];\n }\n var defaultValueForEditor = get(defaultValue, index);\n var valueForEditor = get(value, index, \"\");\n editor.session.setUndoManager(new ace.UndoManager());\n editor.setTheme(\"ace/theme/\" + theme);\n editor.renderer.setScrollMargin(scrollMargin[0], scrollMargin[1], scrollMargin[2], scrollMargin[3]);\n editor.getSession().setMode(\"ace/mode/\" + mode);\n editor.setFontSize(fontSize);\n editor.renderer.setShowGutter(showGutter);\n editor.getSession().setUseWrapMode(wrapEnabled);\n editor.setShowPrintMargin(showPrintMargin);\n editor.on(\"focus\", _this.onFocus);\n editor.on(\"blur\", _this.onBlur);\n editor.on(\"input\", _this.onInput);\n editor.on(\"copy\", _this.onCopy);\n editor.on(\"paste\", _this.onPaste);\n editor.on(\"change\", _this.onChange);\n editor\n .getSession()\n .selection.on(\"changeSelection\", _this.onSelectionChange);\n editor.getSession().selection.on(\"changeCursor\", _this.onCursorChange);\n editor.session.on(\"changeScrollTop\", _this.onScroll);\n editor.setValue(defaultValueForEditor === undefined\n ? valueForEditor\n : defaultValueForEditor, cursorStart);\n var newAnnotations = get(annotations, index, []);\n var newMarkers = get(markers, index, []);\n editor.getSession().setAnnotations(newAnnotations);\n if (newMarkers && newMarkers.length > 0) {\n _this.handleMarkers(newMarkers, editor);\n }\n for (var i = 0; i < editorOptions_1.editorOptions.length; i++) {\n var option = editorOptions_1.editorOptions[i];\n if (availableOptions.hasOwnProperty(option)) {\n editor.setOption(option, _this.props[option]);\n }\n else if (_this.props[option]) {\n console.warn(\"ReaceAce: editor option \" + option + \" was activated but not found. Did you need to import a related tool or did you possibly mispell the option?\");\n }\n }\n _this.handleOptions(_this.props, editor);\n if (Array.isArray(commands)) {\n commands.forEach(function (command) {\n if (typeof command.exec === \"string\") {\n editor.commands.bindKey(command.bindKey, command.exec);\n }\n else {\n editor.commands.addCommand(command);\n }\n });\n }\n if (keyboardHandler) {\n editor.setKeyboardHandler(\"ace/keyboard/\" + keyboardHandler);\n }\n });\n if (className) {\n this.refEditor.className += \" \" + className;\n }\n if (focus) {\n this.splitEditor.focus();\n }\n var sp = this.editor.env.split;\n sp.setOrientation(this.props.orientation === \"below\" ? sp.BELOW : sp.BESIDE);\n sp.resize(true);\n if (onLoad) {\n onLoad(sp);\n }\n };\n SplitComponent.prototype.componentDidUpdate = function (prevProps) {\n var _this = this;\n var oldProps = prevProps;\n var nextProps = this.props;\n var split = this.editor.env.split;\n if (nextProps.splits !== oldProps.splits) {\n split.setSplits(nextProps.splits);\n }\n if (nextProps.orientation !== oldProps.orientation) {\n split.setOrientation(nextProps.orientation === \"below\" ? split.BELOW : split.BESIDE);\n }\n split.forEach(function (editor, index) {\n if (nextProps.mode !== oldProps.mode) {\n editor.getSession().setMode(\"ace/mode/\" + nextProps.mode);\n }\n if (nextProps.keyboardHandler !== oldProps.keyboardHandler) {\n if (nextProps.keyboardHandler) {\n editor.setKeyboardHandler(\"ace/keyboard/\" + nextProps.keyboardHandler);\n }\n else {\n editor.setKeyboardHandler(null);\n }\n }\n if (nextProps.fontSize !== oldProps.fontSize) {\n editor.setFontSize(nextProps.fontSize);\n }\n if (nextProps.wrapEnabled !== oldProps.wrapEnabled) {\n editor.getSession().setUseWrapMode(nextProps.wrapEnabled);\n }\n if (nextProps.showPrintMargin !== oldProps.showPrintMargin) {\n editor.setShowPrintMargin(nextProps.showPrintMargin);\n }\n if (nextProps.showGutter !== oldProps.showGutter) {\n editor.renderer.setShowGutter(nextProps.showGutter);\n }\n for (var i = 0; i < editorOptions_1.editorOptions.length; i++) {\n var option = editorOptions_1.editorOptions[i];\n if (nextProps[option] !== oldProps[option]) {\n editor.setOption(option, nextProps[option]);\n }\n }\n if (!isEqual(nextProps.setOptions, oldProps.setOptions)) {\n _this.handleOptions(nextProps, editor);\n }\n var nextValue = get(nextProps.value, index, \"\");\n if (editor.getValue() !== nextValue) {\n // editor.setValue is a synchronous function call, change event is emitted before setValue return.\n _this.silent = true;\n var pos = editor.session.selection.toJSON();\n editor.setValue(nextValue, nextProps.cursorStart);\n editor.session.selection.fromJSON(pos);\n _this.silent = false;\n }\n var newAnnotations = get(nextProps.annotations, index, []);\n var oldAnnotations = get(oldProps.annotations, index, []);\n if (!isEqual(newAnnotations, oldAnnotations)) {\n editor.getSession().setAnnotations(newAnnotations);\n }\n var newMarkers = get(nextProps.markers, index, []);\n var oldMarkers = get(oldProps.markers, index, []);\n if (!isEqual(newMarkers, oldMarkers) && Array.isArray(newMarkers)) {\n _this.handleMarkers(newMarkers, editor);\n }\n });\n if (nextProps.className !== oldProps.className) {\n var appliedClasses = this.refEditor.className;\n var appliedClassesArray_1 = appliedClasses.trim().split(\" \");\n var oldClassesArray = oldProps.className.trim().split(\" \");\n oldClassesArray.forEach(function (oldClass) {\n var index = appliedClassesArray_1.indexOf(oldClass);\n appliedClassesArray_1.splice(index, 1);\n });\n this.refEditor.className =\n \" \" + nextProps.className + \" \" + appliedClassesArray_1.join(\" \");\n }\n if (nextProps.theme !== oldProps.theme) {\n split.setTheme(\"ace/theme/\" + nextProps.theme);\n }\n if (nextProps.focus && !oldProps.focus) {\n this.splitEditor.focus();\n }\n if (nextProps.height !== this.props.height ||\n nextProps.width !== this.props.width) {\n this.editor.resize();\n }\n };\n SplitComponent.prototype.componentWillUnmount = function () {\n this.editor.destroy();\n this.editor = null;\n };\n SplitComponent.prototype.onChange = function (event) {\n if (this.props.onChange && !this.silent) {\n var value_1 = [];\n this.editor.env.split.forEach(function (editor) {\n value_1.push(editor.getValue());\n });\n this.props.onChange(value_1, event);\n }\n };\n SplitComponent.prototype.onSelectionChange = function (event) {\n if (this.props.onSelectionChange) {\n var value_2 = [];\n this.editor.env.split.forEach(function (editor) {\n value_2.push(editor.getSelection());\n });\n this.props.onSelectionChange(value_2, event);\n }\n };\n SplitComponent.prototype.onCursorChange = function (event) {\n if (this.props.onCursorChange) {\n var value_3 = [];\n this.editor.env.split.forEach(function (editor) {\n value_3.push(editor.getSelection());\n });\n this.props.onCursorChange(value_3, event);\n }\n };\n SplitComponent.prototype.onFocus = function (event) {\n if (this.props.onFocus) {\n this.props.onFocus(event);\n }\n };\n SplitComponent.prototype.onInput = function (event) {\n if (this.props.onInput) {\n this.props.onInput(event);\n }\n };\n SplitComponent.prototype.onBlur = function (event) {\n if (this.props.onBlur) {\n this.props.onBlur(event);\n }\n };\n SplitComponent.prototype.onCopy = function (text) {\n if (this.props.onCopy) {\n this.props.onCopy(text);\n }\n };\n SplitComponent.prototype.onPaste = function (text) {\n if (this.props.onPaste) {\n this.props.onPaste(text);\n }\n };\n SplitComponent.prototype.onScroll = function () {\n if (this.props.onScroll) {\n this.props.onScroll(this.editor);\n }\n };\n SplitComponent.prototype.handleOptions = function (props, editor) {\n var setOptions = Object.keys(props.setOptions);\n for (var y = 0; y < setOptions.length; y++) {\n editor.setOption(setOptions[y], props.setOptions[setOptions[y]]);\n }\n };\n SplitComponent.prototype.handleMarkers = function (markers, editor) {\n // remove foreground markers\n var currentMarkers = editor.getSession().getMarkers(true);\n for (var i in currentMarkers) {\n if (currentMarkers.hasOwnProperty(i)) {\n editor.getSession().removeMarker(currentMarkers[i].id);\n }\n }\n // remove background markers\n currentMarkers = editor.getSession().getMarkers(false);\n for (var i in currentMarkers) {\n if (currentMarkers.hasOwnProperty(i)) {\n editor.getSession().removeMarker(currentMarkers[i].id);\n }\n }\n // add new markers\n markers.forEach(function (_a) {\n var startRow = _a.startRow, startCol = _a.startCol, endRow = _a.endRow, endCol = _a.endCol, className = _a.className, type = _a.type, _b = _a.inFront, inFront = _b === void 0 ? false : _b;\n var range = new ace_builds_1.Range(startRow, startCol, endRow, endCol);\n editor\n .getSession()\n .addMarker(range, className, type, inFront);\n });\n };\n SplitComponent.prototype.updateRef = function (item) {\n this.refEditor = item;\n };\n SplitComponent.prototype.render = function () {\n var _a = this.props, name = _a.name, width = _a.width, height = _a.height, style = _a.style;\n var divStyle = __assign({ width: width, height: height }, style);\n return React.createElement(\"div\", { ref: this.updateRef, id: name, style: divStyle });\n };\n SplitComponent.propTypes = {\n className: PropTypes.string,\n debounceChangePeriod: PropTypes.number,\n defaultValue: PropTypes.arrayOf(PropTypes.string),\n focus: PropTypes.bool,\n fontSize: PropTypes.oneOfType([PropTypes.number, PropTypes.string]),\n height: PropTypes.string,\n mode: PropTypes.string,\n name: PropTypes.string,\n onBlur: PropTypes.func,\n onChange: PropTypes.func,\n onCopy: PropTypes.func,\n onFocus: PropTypes.func,\n onInput: PropTypes.func,\n onLoad: PropTypes.func,\n onPaste: PropTypes.func,\n onScroll: PropTypes.func,\n orientation: PropTypes.string,\n showGutter: PropTypes.bool,\n splits: PropTypes.number,\n theme: PropTypes.string,\n value: PropTypes.arrayOf(PropTypes.string),\n width: PropTypes.string,\n onSelectionChange: PropTypes.func,\n onCursorChange: PropTypes.func,\n onBeforeLoad: PropTypes.func,\n minLines: PropTypes.number,\n maxLines: PropTypes.number,\n readOnly: PropTypes.bool,\n highlightActiveLine: PropTypes.bool,\n tabSize: PropTypes.number,\n showPrintMargin: PropTypes.bool,\n cursorStart: PropTypes.number,\n editorProps: PropTypes.object,\n setOptions: PropTypes.object,\n style: PropTypes.object,\n scrollMargin: PropTypes.array,\n annotations: PropTypes.array,\n markers: PropTypes.array,\n keyboardHandler: PropTypes.string,\n wrapEnabled: PropTypes.bool,\n enableBasicAutocompletion: PropTypes.oneOfType([\n PropTypes.bool,\n PropTypes.array\n ]),\n enableLiveAutocompletion: PropTypes.oneOfType([\n PropTypes.bool,\n PropTypes.array\n ]),\n commands: PropTypes.array\n };\n SplitComponent.defaultProps = {\n name: \"ace-editor\",\n focus: false,\n orientation: \"beside\",\n splits: 2,\n mode: \"\",\n theme: \"\",\n height: \"500px\",\n width: \"500px\",\n value: [],\n fontSize: 12,\n showGutter: true,\n onChange: null,\n onPaste: null,\n onLoad: null,\n onScroll: null,\n minLines: null,\n maxLines: null,\n readOnly: false,\n highlightActiveLine: true,\n showPrintMargin: true,\n tabSize: 4,\n cursorStart: 1,\n editorProps: {},\n style: {},\n scrollMargin: [0, 0, 0, 0],\n setOptions: {},\n wrapEnabled: false,\n enableBasicAutocompletion: false,\n enableLiveAutocompletion: false\n };\n return SplitComponent;\n}(React.Component));\nexports.default = SplitComponent;\n//# sourceMappingURL=split.js.map","export default (value: any): value is HTMLElement =>\n value instanceof HTMLElement;\n","import { ValidationMode } from './types';\n\nexport const EVENTS = {\n BLUR: 'blur',\n CHANGE: 'change',\n INPUT: 'input',\n};\n\nexport const VALIDATION_MODE: ValidationMode = {\n onBlur: 'onBlur',\n onChange: 'onChange',\n onSubmit: 'onSubmit',\n onTouched: 'onTouched',\n all: 'all',\n};\n\nexport const SELECT = 'select';\n\nexport const UNDEFINED = 'undefined';\n\nexport const INPUT_VALIDATION_RULES = {\n max: 'max',\n min: 'min',\n maxLength: 'maxLength',\n minLength: 'minLength',\n pattern: 'pattern',\n required: 'required',\n validate: 'validate',\n};\n","import isHTMLElement from '../utils/isHTMLElement';\nimport { EVENTS } from '../constants';\nimport { Field } from '../types';\n\nexport default function attachEventListeners(\n { ref }: Field,\n shouldAttachChangeEvent?: boolean,\n handleChange?: EventListenerOrEventListenerObject,\n): void {\n if (isHTMLElement(ref) && handleChange) {\n ref.addEventListener(\n shouldAttachChangeEvent ? EVENTS.CHANGE : EVENTS.INPUT,\n handleChange,\n );\n ref.addEventListener(EVENTS.BLUR, handleChange);\n }\n}\n","export default (value: unknown): value is null | undefined => value == null;\n","import isNullOrUndefined from './isNullOrUndefined';\n\nexport const isObjectType = (value: unknown) => typeof value === 'object';\n\nexport default (value: unknown): value is T =>\n !isNullOrUndefined(value) &&\n !Array.isArray(value) &&\n isObjectType(value) &&\n !(value instanceof Date);\n","export default (value: string) => /^\\w*$/.test(value);\n","export default (value: any[]) => value.filter(Boolean);\n","import compact from './compact';\n\nexport default (input: string): string[] =>\n compact(\n input\n .replace(/[\"|']/g, '')\n .replace(/\\[/g, '.')\n .replace(/\\]/g, '')\n .split('.'),\n );\n","import isObject from './isObject';\nimport isKey from './isKey';\nimport stringToPath from './stringToPath';\nimport { FieldValues } from '../types';\n\nexport default function set(\n object: FieldValues,\n path: string,\n value?: unknown,\n) {\n let index = -1;\n const tempPath = isKey(path) ? [path] : stringToPath(path);\n const length = tempPath.length;\n const lastIndex = length - 1;\n\n while (++index < length) {\n const key = tempPath[index];\n let newValue = value;\n\n if (index !== lastIndex) {\n const objValue = object[key];\n newValue =\n isObject(objValue) || Array.isArray(objValue)\n ? objValue\n : !isNaN(+tempPath[index + 1])\n ? []\n : {};\n }\n object[key] = newValue;\n object = object[key];\n }\n return object;\n}\n","import set from '../utils/set';\nimport isKey from '../utils/isKey';\nimport { FieldValues } from '../types';\n\nexport default (data: FieldValues, value: Record = {}): any => {\n for (const key in data) {\n !isKey(key) ? set(value, key, data[key]) : (value[key] = data[key]);\n }\n return value;\n};\n","export default (val: unknown): val is undefined => val === undefined;\n","import isUndefined from './isUndefined';\nimport isNullOrUndefined from './isNullOrUndefined';\nimport compact from './compact';\n\nexport default (obj: any = {}, path: string, defaultValue?: unknown) => {\n const result = compact(path.split(/[,[\\].]+?/)).reduce(\n (result, key) => (isNullOrUndefined(result) ? result : result[key]),\n obj,\n );\n\n return isUndefined(result) || result === obj\n ? isUndefined(obj[path])\n ? defaultValue\n : obj[path]\n : result;\n};\n","import get from '../utils/get';\nimport isUndefined from '../utils/isUndefined';\nimport { FieldErrors, FieldRefs } from '../types';\n\nexport default (\n fields: FieldRefs,\n fieldErrors: FieldErrors,\n) => {\n for (const key in fields) {\n if (get(fieldErrors, key)) {\n const field = fields[key];\n\n if (field) {\n if (field.ref.focus && isUndefined(field.ref.focus())) {\n break;\n } else if (field.options) {\n field.options[0].ref.focus();\n\n break;\n }\n }\n }\n }\n};\n","import isHTMLElement from '../utils/isHTMLElement';\nimport { EVENTS } from '../constants';\nimport { Ref } from '../types';\n\nexport default (\n ref: Ref,\n validateWithStateUpdate: EventListenerOrEventListenerObject,\n): void => {\n if (isHTMLElement(ref) && ref.removeEventListener) {\n ref.removeEventListener(EVENTS.INPUT, validateWithStateUpdate);\n ref.removeEventListener(EVENTS.CHANGE, validateWithStateUpdate);\n ref.removeEventListener(EVENTS.BLUR, validateWithStateUpdate);\n }\n};\n","import { RadioOrCheckboxOption } from '../types';\n\ntype RadioFieldResult = {\n isValid: boolean;\n value: number | string;\n};\n\nconst defaultReturn: RadioFieldResult = {\n isValid: false,\n value: '',\n};\n\nexport default (options?: RadioOrCheckboxOption[]): RadioFieldResult =>\n Array.isArray(options)\n ? options.reduce(\n (previous, option): RadioFieldResult =>\n option && option.ref.checked\n ? {\n isValid: true,\n value: option.ref.value,\n }\n : previous,\n defaultReturn,\n )\n : defaultReturn;\n","import { FieldElement } from '../types';\n\nexport default (element: FieldElement): element is HTMLInputElement =>\n element.type === 'radio';\n","import { FieldElement } from '../types';\n\nexport default (element: FieldElement): element is HTMLInputElement =>\n element.type === 'file';\n","import { FieldElement } from '../types';\n\nexport default (element: FieldElement): element is HTMLInputElement =>\n element.type === 'checkbox';\n","import { FieldElement } from '../types';\nimport { SELECT } from '../constants';\n\nexport default (element: FieldElement): element is HTMLSelectElement =>\n element.type === `${SELECT}-multiple`;\n","import isUndefined from '../utils/isUndefined';\nimport { RadioOrCheckboxOption } from '../types';\n\ntype CheckboxFieldResult = {\n isValid: boolean;\n value: string | string[] | boolean;\n};\n\nconst defaultResult: CheckboxFieldResult = {\n value: false,\n isValid: false,\n};\n\nconst validResult = { value: true, isValid: true };\n\nexport default (options?: RadioOrCheckboxOption[]): CheckboxFieldResult => {\n if (Array.isArray(options)) {\n if (options.length > 1) {\n const values = options\n .filter((option) => option && option.ref.checked)\n .map(({ ref: { value } }) => value);\n return { value: values, isValid: !!values.length };\n }\n\n const { checked, value, attributes } = options[0].ref;\n\n return checked\n ? attributes && !isUndefined((attributes as any).value)\n ? isUndefined(value) || value === ''\n ? validResult\n : { value: value, isValid: true }\n : validResult\n : defaultResult;\n }\n\n return defaultResult;\n};\n","import * as React from 'react';\nimport getRadioValue from './getRadioValue';\nimport getMultipleSelectValue from './getMultipleSelectValue';\nimport isRadioInput from '../utils/isRadioInput';\nimport get from '../utils/get';\nimport isFileInput from '../utils/isFileInput';\nimport isCheckBox from '../utils/isCheckBoxInput';\nimport isMultipleSelect from '../utils/isMultipleSelect';\nimport getCheckboxValue from './getCheckboxValue';\nimport { FieldRefs, FieldValues, InternalFieldName } from '../types';\n\nexport default function getFieldValue(\n fieldsRef: React.MutableRefObject>,\n name: InternalFieldName,\n shallowFieldsStateRef?: React.MutableRefObject>,\n excludeDisabled?: boolean,\n) {\n const field = fieldsRef.current[name]!;\n\n if (field) {\n const {\n ref: { value, disabled },\n ref,\n valueAsNumber,\n valueAsDate,\n setValueAs,\n } = field;\n\n if (disabled && excludeDisabled) {\n return;\n }\n\n if (isFileInput(ref)) {\n return ref.files;\n }\n\n if (isRadioInput(ref)) {\n return getRadioValue(field.options).value;\n }\n\n if (isMultipleSelect(ref)) {\n return getMultipleSelectValue(ref.options);\n }\n\n if (isCheckBox(ref)) {\n return getCheckboxValue(field.options).value;\n }\n\n return valueAsNumber\n ? +value\n : valueAsDate\n ? (ref as HTMLInputElement).valueAsDate\n : setValueAs\n ? setValueAs(value)\n : value;\n }\n\n if (shallowFieldsStateRef) {\n return get(shallowFieldsStateRef.current, name);\n }\n}\n","export default (\n options: HTMLOptionElement[] | HTMLOptionsCollection,\n): string[] =>\n [...options]\n .filter(({ selected }): boolean => selected)\n .map(({ value }): string => value);\n","import { Ref } from '../types';\n\nexport default function isDetached(element: Ref): boolean {\n if (!element) {\n return true;\n }\n\n if (\n !(element instanceof HTMLElement) ||\n element.nodeType === Node.DOCUMENT_NODE\n ) {\n return false;\n }\n\n return isDetached(element.parentNode as Ref);\n}\n","import isObject from './isObject';\nimport { EmptyObject } from '../types';\n\nexport default (value: unknown): value is EmptyObject =>\n isObject(value) && !Object.keys(value).length;\n","export default (value: unknown): value is boolean => typeof value === 'boolean';\n","import isKey from './isKey';\nimport stringToPath from './stringToPath';\nimport isEmptyObject from './isEmptyObject';\nimport isObject from './isObject';\nimport isUndefined from './isUndefined';\nimport isBoolean from './isBoolean';\n\nfunction baseGet(object: any, updatePath: (string | number)[]) {\n const length = updatePath.slice(0, -1).length;\n let index = 0;\n\n while (index < length) {\n object = isUndefined(object) ? index++ : object[updatePath[index++]];\n }\n\n return object;\n}\n\nexport default function unset(object: any, path: string) {\n const updatePath = isKey(path) ? [path] : stringToPath(path);\n const childObject =\n updatePath.length == 1 ? object : baseGet(object, updatePath);\n const key = updatePath[updatePath.length - 1];\n let previousObjRef;\n\n if (childObject) {\n delete childObject[key];\n }\n\n for (let k = 0; k < updatePath.slice(0, -1).length; k++) {\n let index = -1;\n let objectRef;\n const currentPaths = updatePath.slice(0, -(k + 1));\n const currentPathsLength = currentPaths.length - 1;\n\n if (k > 0) {\n previousObjRef = object;\n }\n\n while (++index < currentPaths.length) {\n const item = currentPaths[index];\n objectRef = objectRef ? objectRef[item] : object[item];\n\n if (\n currentPathsLength === index &&\n ((isObject(objectRef) && isEmptyObject(objectRef)) ||\n (Array.isArray(objectRef) &&\n !objectRef.filter(\n (data) =>\n (isObject(data) && !isEmptyObject(data)) || isBoolean(data),\n ).length))\n ) {\n previousObjRef ? delete previousObjRef[item] : delete object[item];\n }\n\n previousObjRef = objectRef;\n }\n }\n\n return object;\n}\n","import * as React from 'react';\nimport removeAllEventListeners from './removeAllEventListeners';\nimport getFieldValue from './getFieldValue';\nimport isRadioInput from '../utils/isRadioInput';\nimport set from '../utils/set';\nimport isCheckBoxInput from '../utils/isCheckBoxInput';\nimport isDetached from '../utils/isDetached';\nimport unset from '../utils/unset';\nimport compact from '../utils/compact';\nimport isUndefined from '../utils/isUndefined';\nimport { Field, FieldRefs, FieldValues, Ref } from '../types';\n\nconst isSameRef = (fieldValue: Field, ref: Ref) =>\n fieldValue && fieldValue.ref === ref;\n\nexport default function findRemovedFieldAndRemoveListener<\n TFieldValues extends FieldValues\n>(\n fieldsRef: React.MutableRefObject>,\n handleChange: ({ type, target }: Event) => Promise,\n field: Field,\n shallowFieldsStateRef: React.MutableRefObject,\n shouldUnregister?: boolean,\n forceDelete?: boolean,\n): void {\n const {\n ref,\n ref: { name },\n } = field;\n const fieldRef = fieldsRef.current[name] as Field;\n\n if (!shouldUnregister) {\n const value = getFieldValue(fieldsRef, name, shallowFieldsStateRef);\n\n !isUndefined(value) && set(shallowFieldsStateRef.current, name, value);\n }\n\n if (!ref.type || !fieldRef) {\n delete fieldsRef.current[name];\n return;\n }\n\n if (isRadioInput(ref) || isCheckBoxInput(ref)) {\n if (Array.isArray(fieldRef.options) && fieldRef.options.length) {\n compact(fieldRef.options).forEach((option = {}, index): void => {\n if (\n (isDetached(option.ref) && isSameRef(option, option.ref)) ||\n forceDelete\n ) {\n removeAllEventListeners(option.ref, handleChange);\n unset(fieldRef.options, `[${index}]`);\n }\n });\n\n if (fieldRef.options && !compact(fieldRef.options).length) {\n delete fieldsRef.current[name];\n }\n } else {\n delete fieldsRef.current[name];\n }\n } else if ((isDetached(ref) && isSameRef(fieldRef, ref)) || forceDelete) {\n removeAllEventListeners(ref, handleChange);\n\n delete fieldsRef.current[name];\n }\n}\n","import isNullOrUndefined from './isNullOrUndefined';\nimport { isObjectType } from './isObject';\nimport { Primitive } from '../types';\n\nexport default (value: unknown): value is Primitive =>\n isNullOrUndefined(value) || !isObjectType(value);\n","import isObject from './isObject';\nimport isPrimitive from './isPrimitive';\n\nexport function deepMerge<\n T extends Record,\n U extends Record\n>(target: T, source: U): T & U {\n if (isPrimitive(target) || isPrimitive(source)) {\n return source;\n }\n\n for (const key in source) {\n const targetValue = target[key];\n const sourceValue = source[key];\n\n try {\n target[key] =\n (isObject(targetValue) && isObject(sourceValue)) ||\n (Array.isArray(targetValue) && Array.isArray(sourceValue))\n ? deepMerge(targetValue, sourceValue)\n : sourceValue;\n } catch {}\n }\n\n return target;\n}\n","import * as React from 'react';\nimport isObject from '../utils/isObject';\nimport isPrimitive from './isPrimitive';\n\nexport default function deepEqual(\n object1: any,\n object2: any,\n isErrorObject?: boolean,\n) {\n if (\n isPrimitive(object1) ||\n isPrimitive(object2) ||\n object1 instanceof Date ||\n object2 instanceof Date\n ) {\n return object1 === object2;\n }\n\n if (!React.isValidElement(object1)) {\n const keys1 = Object.keys(object1);\n const keys2 = Object.keys(object2);\n\n if (keys1.length !== keys2.length) {\n return false;\n }\n\n for (const key of keys1) {\n const val1 = object1[key];\n\n if (!(isErrorObject && key === 'ref')) {\n const val2 = object2[key];\n\n if (\n (isObject(val1) || Array.isArray(val1)) &&\n (isObject(val2) || Array.isArray(val2))\n ? !deepEqual(val1, val2, isErrorObject)\n : val1 !== val2\n ) {\n return false;\n }\n }\n }\n }\n\n return true;\n}\n","import { get } from '../utils';\nimport set from '../utils/set';\nimport { deepMerge } from '../utils/deepMerge';\nimport deepEqual from '../utils/deepEqual';\n\nfunction setDirtyFields<\n T extends Record[],\n U extends Record[],\n K extends Record\n>(\n values: T,\n defaultValues: U,\n dirtyFields: Record[],\n parentNode?: K,\n parentName?: keyof K,\n) {\n let index = -1;\n\n while (++index < values.length) {\n for (const key in values[index]) {\n if (Array.isArray(values[index][key])) {\n !dirtyFields[index] && (dirtyFields[index] = {});\n dirtyFields[index][key] = [];\n setDirtyFields(\n values[index][key] as T,\n get(defaultValues[index] || {}, key, []),\n dirtyFields[index][key] as [],\n dirtyFields[index],\n key,\n );\n } else {\n deepEqual(get(defaultValues[index] || {}, key), values[index][key])\n ? set(dirtyFields[index] || {}, key)\n : (dirtyFields[index] = {\n ...dirtyFields[index],\n [key]: true,\n });\n }\n }\n\n parentNode &&\n !dirtyFields.length &&\n delete parentNode[parentName as keyof K];\n }\n\n return dirtyFields;\n}\n\nexport default []>(\n values: T,\n defaultValues: U,\n dirtyFields: Record[],\n) =>\n deepMerge(\n setDirtyFields(values, defaultValues, dirtyFields.slice(0, values.length)),\n setDirtyFields(defaultValues, values, dirtyFields.slice(0, values.length)),\n );\n","export default (value: unknown): value is string => typeof value === 'string';\n","import * as React from 'react';\nimport getFieldValue from './getFieldValue';\nimport isString from '../utils/isString';\nimport { deepMerge } from '../utils/deepMerge';\nimport isUndefined from '../utils/isUndefined';\nimport { InternalFieldName, FieldValues, FieldRefs } from '../types';\nimport transformToNestObject from './transformToNestObject';\n\nexport default (\n fieldsRef: React.MutableRefObject>,\n shallowFieldsState: Record,\n shouldUnregister: boolean,\n excludeDisabled?: boolean,\n search?:\n | InternalFieldName\n | InternalFieldName[]\n | { nest: boolean },\n) => {\n const output = {} as TFieldValues;\n\n for (const name in fieldsRef.current) {\n if (\n isUndefined(search) ||\n (isString(search)\n ? name.startsWith(search)\n : Array.isArray(search) && search.find((data) => name.startsWith(data)))\n ) {\n output[name as InternalFieldName] = getFieldValue(\n fieldsRef,\n name,\n undefined,\n excludeDisabled,\n );\n }\n }\n\n return shouldUnregister\n ? transformToNestObject(output)\n : deepMerge(shallowFieldsState, transformToNestObject(output));\n};\n","import get from '../utils/get';\nimport isUndefined from '../utils/isUndefined';\nimport deepEqual from '../utils/deepEqual';\nimport {\n FieldValues,\n InternalFieldName,\n FieldErrors,\n FieldNamesMarkedBoolean,\n FieldError,\n} from '../types';\n\nexport default ({\n errors,\n name,\n error,\n validFields,\n fieldsWithValidation,\n}: {\n errors: FieldErrors;\n error: FieldError | undefined;\n name: InternalFieldName;\n validFields: FieldNamesMarkedBoolean;\n fieldsWithValidation: FieldNamesMarkedBoolean;\n}): boolean => {\n const isValid = isUndefined(error);\n const previousError = get(errors, name);\n\n return (\n (isValid && !!previousError) ||\n (!isValid && !deepEqual(previousError, error, true)) ||\n (isValid && get(fieldsWithValidation, name) && !get(validFields, name))\n );\n};\n","export default (value: unknown): value is RegExp => value instanceof RegExp;\n","import isObject from '../utils/isObject';\nimport isRegex from '../utils/isRegex';\nimport { ValidationRule } from '../types';\n\nexport default (validationData?: ValidationRule) =>\n isObject(validationData) && !isRegex(validationData)\n ? validationData\n : {\n value: validationData,\n message: '',\n };\n","export default (value: unknown): value is Function =>\n typeof value === 'function';\n","import * as React from 'react';\nimport isString from '../utils/isString';\nimport { Message } from '../types';\n\nexport default (value: unknown): value is Message =>\n isString(value) || React.isValidElement(value as JSX.Element);\n","import isBoolean from '../utils/isBoolean';\nimport isMessage from '../utils/isMessage';\nimport { FieldError, ValidateResult, Ref } from '../types';\n\nexport default function getValidateError(\n result: ValidateResult,\n ref: Ref,\n type = 'validate',\n): FieldError | void {\n if (isMessage(result) || (isBoolean(result) && !result)) {\n return {\n type,\n message: isMessage(result) ? result : '',\n ref,\n };\n }\n}\n","import {\n InternalFieldName,\n ValidateResult,\n InternalFieldErrors,\n} from '../types';\n\nexport default (\n name: InternalFieldName,\n validateAllFieldCriteria: boolean,\n errors: InternalFieldErrors,\n type: string,\n message: ValidateResult,\n) =>\n validateAllFieldCriteria\n ? {\n ...errors[name],\n types: {\n ...(errors[name] && errors[name]!.types ? errors[name]!.types : {}),\n [type]: message || true,\n },\n }\n : {};\n","import * as React from 'react';\nimport getRadioValue from './getRadioValue';\nimport getCheckboxValue from './getCheckboxValue';\nimport isNullOrUndefined from '../utils/isNullOrUndefined';\nimport isRadioInput from '../utils/isRadioInput';\nimport getValueAndMessage from './getValueAndMessage';\nimport isCheckBoxInput from '../utils/isCheckBoxInput';\nimport isString from '../utils/isString';\nimport isEmptyObject from '../utils/isEmptyObject';\nimport isObject from '../utils/isObject';\nimport isFunction from '../utils/isFunction';\nimport getFieldsValue from './getFieldValue';\nimport isRegex from '../utils/isRegex';\nimport isBoolean from '../utils/isBoolean';\nimport isMessage from '../utils/isMessage';\nimport getValidateError from './getValidateError';\nimport appendErrors from './appendErrors';\nimport { INPUT_VALIDATION_RULES } from '../constants';\nimport {\n Field,\n FieldValues,\n FieldRefs,\n Message,\n FieldError,\n InternalFieldName,\n InternalFieldErrors,\n} from '../types';\n\nexport default async (\n fieldsRef: React.MutableRefObject>,\n validateAllFieldCriteria: boolean,\n {\n ref,\n ref: { value },\n options,\n required,\n maxLength,\n minLength,\n min,\n max,\n pattern,\n validate,\n }: Field,\n shallowFieldsStateRef: React.MutableRefObject>,\n): Promise> => {\n const name: InternalFieldName = ref.name;\n const error: InternalFieldErrors = {};\n const isRadio = isRadioInput(ref);\n const isCheckBox = isCheckBoxInput(ref);\n const isRadioOrCheckbox = isRadio || isCheckBox;\n const isEmpty = value === '';\n const appendErrorsCurry = appendErrors.bind(\n null,\n name,\n validateAllFieldCriteria,\n error,\n );\n const getMinMaxMessage = (\n exceedMax: boolean,\n maxLengthMessage: Message,\n minLengthMessage: Message,\n maxType = INPUT_VALIDATION_RULES.maxLength,\n minType = INPUT_VALIDATION_RULES.minLength,\n ) => {\n const message = exceedMax ? maxLengthMessage : minLengthMessage;\n error[name] = {\n type: exceedMax ? maxType : minType,\n message,\n ref,\n ...(exceedMax\n ? appendErrorsCurry(maxType, message)\n : appendErrorsCurry(minType, message)),\n };\n };\n\n if (\n required &&\n ((!isRadio && !isCheckBox && (isEmpty || isNullOrUndefined(value))) ||\n (isBoolean(value) && !value) ||\n (isCheckBox && !getCheckboxValue(options).isValid) ||\n (isRadio && !getRadioValue(options).isValid))\n ) {\n const { value, message } = isMessage(required)\n ? { value: !!required, message: required }\n : getValueAndMessage(required);\n\n if (value) {\n error[name] = {\n type: INPUT_VALIDATION_RULES.required,\n message,\n ref: isRadioOrCheckbox\n ? (((fieldsRef.current[name] as Field).options || [])[0] || {}).ref\n : ref,\n ...appendErrorsCurry(INPUT_VALIDATION_RULES.required, message),\n };\n if (!validateAllFieldCriteria) {\n return error;\n }\n }\n }\n\n if ((!isNullOrUndefined(min) || !isNullOrUndefined(max)) && value !== '') {\n let exceedMax;\n let exceedMin;\n const maxOutput = getValueAndMessage(max);\n const minOutput = getValueAndMessage(min);\n\n if (!isNaN(value)) {\n const valueNumber =\n (ref as HTMLInputElement).valueAsNumber || parseFloat(value);\n if (!isNullOrUndefined(maxOutput.value)) {\n exceedMax = valueNumber > maxOutput.value;\n }\n if (!isNullOrUndefined(minOutput.value)) {\n exceedMin = valueNumber < minOutput.value;\n }\n } else {\n const valueDate =\n (ref as HTMLInputElement).valueAsDate || new Date(value);\n if (isString(maxOutput.value)) {\n exceedMax = valueDate > new Date(maxOutput.value);\n }\n if (isString(minOutput.value)) {\n exceedMin = valueDate < new Date(minOutput.value);\n }\n }\n\n if (exceedMax || exceedMin) {\n getMinMaxMessage(\n !!exceedMax,\n maxOutput.message,\n minOutput.message,\n INPUT_VALIDATION_RULES.max,\n INPUT_VALIDATION_RULES.min,\n );\n if (!validateAllFieldCriteria) {\n return error;\n }\n }\n }\n\n if (isString(value) && !isEmpty && (maxLength || minLength)) {\n const maxLengthOutput = getValueAndMessage(maxLength);\n const minLengthOutput = getValueAndMessage(minLength);\n const exceedMax =\n !isNullOrUndefined(maxLengthOutput.value) &&\n value.length > maxLengthOutput.value;\n const exceedMin =\n !isNullOrUndefined(minLengthOutput.value) &&\n value.length < minLengthOutput.value;\n\n if (exceedMax || exceedMin) {\n getMinMaxMessage(\n exceedMax,\n maxLengthOutput.message,\n minLengthOutput.message,\n );\n if (!validateAllFieldCriteria) {\n return error;\n }\n }\n }\n\n if (isString(value) && pattern && !isEmpty) {\n const { value: patternValue, message } = getValueAndMessage(pattern);\n\n if (isRegex(patternValue) && !patternValue.test(value)) {\n error[name] = {\n type: INPUT_VALIDATION_RULES.pattern,\n message,\n ref,\n ...appendErrorsCurry(INPUT_VALIDATION_RULES.pattern, message),\n };\n if (!validateAllFieldCriteria) {\n return error;\n }\n }\n }\n\n if (validate) {\n const fieldValue = getFieldsValue(fieldsRef, name, shallowFieldsStateRef);\n const validateRef = isRadioOrCheckbox && options ? options[0].ref : ref;\n\n if (isFunction(validate)) {\n const result = await validate(fieldValue);\n const validateError = getValidateError(result, validateRef);\n\n if (validateError) {\n error[name] = {\n ...validateError,\n ...appendErrorsCurry(\n INPUT_VALIDATION_RULES.validate,\n validateError.message,\n ),\n };\n if (!validateAllFieldCriteria) {\n return error;\n }\n }\n } else if (isObject(validate)) {\n let validationResult = {} as FieldError;\n for (const [key, validateFunction] of Object.entries(validate)) {\n if (!isEmptyObject(validationResult) && !validateAllFieldCriteria) {\n break;\n }\n\n const validateResult = await validateFunction(fieldValue);\n const validateError = getValidateError(\n validateResult,\n validateRef,\n key,\n );\n\n if (validateError) {\n validationResult = {\n ...validateError,\n ...appendErrorsCurry(key, validateError.message),\n };\n\n if (validateAllFieldCriteria) {\n error[name] = validationResult;\n }\n }\n }\n\n if (!isEmptyObject(validationResult)) {\n error[name] = {\n ref: validateRef,\n ...validationResult,\n };\n if (!validateAllFieldCriteria) {\n return error;\n }\n }\n }\n }\n\n return error;\n};\n","import isPrimitive from './isPrimitive';\nimport isObject from './isObject';\nimport { FieldName } from '../types';\n\nexport const getPath = (\n rootPath: FieldName,\n values: any,\n paths: FieldName[] = [],\n): FieldName[] => {\n for (const property in values) {\n const rootName = (rootPath +\n (isObject(values)\n ? `.${property}`\n : `[${property}]`)) as FieldName;\n\n isPrimitive(values[property])\n ? paths.push(rootName)\n : getPath(rootName, values[property], paths);\n }\n\n return paths;\n};\n","import get from '../utils/get';\nimport { getPath } from '../utils/getPath';\nimport isEmptyObject from '../utils/isEmptyObject';\nimport isUndefined from '../utils/isUndefined';\nimport isObject from '../utils/isObject';\nimport {\n DeepPartial,\n FieldValue,\n FieldValues,\n InternalFieldName,\n UnpackNestedValue,\n} from '../types';\n\nexport default (\n fieldValues: TFieldValues,\n fieldName: InternalFieldName,\n watchFields: Set>,\n inputValue: UnpackNestedValue>,\n isSingleField?: boolean,\n):\n | FieldValue\n | UnpackNestedValue>\n | undefined => {\n let value = undefined;\n\n watchFields.add(fieldName);\n\n if (!isEmptyObject(fieldValues)) {\n value = get(fieldValues, fieldName);\n\n if (isObject(value) || Array.isArray(value)) {\n getPath(fieldName, value).forEach((name) => watchFields.add(name));\n }\n }\n\n return isUndefined(value)\n ? isSingleField\n ? inputValue\n : get(inputValue, fieldName)\n : value;\n};\n","export default ({\n isOnBlur,\n isOnChange,\n isOnTouch,\n isTouched,\n isReValidateOnBlur,\n isReValidateOnChange,\n isBlurEvent,\n isSubmitted,\n isOnAll,\n}: {\n isOnAll?: boolean;\n isOnBlur?: boolean;\n isOnChange?: boolean;\n isReValidateOnBlur?: boolean;\n isReValidateOnChange?: boolean;\n isBlurEvent?: boolean;\n isSubmitted?: boolean;\n isOnTouch?: boolean;\n isTouched?: boolean;\n}) => {\n if (isOnAll) {\n return false;\n } else if (!isSubmitted && isOnTouch) {\n return !(isTouched || isBlurEvent);\n } else if (isSubmitted ? isReValidateOnBlur : isOnBlur) {\n return !isBlurEvent;\n } else if (isSubmitted ? isReValidateOnChange : isOnChange) {\n return isBlurEvent;\n }\n return true;\n};\n","export default (name: string) => name.substring(0, name.indexOf('['));\n","import { FieldValues, InternalFieldName } from '../types';\n\nexport const isMatchFieldArrayName = (name: string, searchName: string) =>\n RegExp(\n `^${searchName}([|.)\\\\d+`.replace(/\\[/g, '\\\\[').replace(/\\]/g, '\\\\]'),\n ).test(name);\n\nexport default (\n names: Set>,\n name: InternalFieldName,\n) => [...names].some((current) => isMatchFieldArrayName(name, current));\n","import { FieldElement } from '../types';\nimport { SELECT } from '../constants';\n\nexport default (element: FieldElement): element is HTMLSelectElement =>\n element.type === `${SELECT}-one`;\n","import * as React from 'react';\nimport { Field, FieldRefs } from '../types';\nimport isDetached from './isDetached';\n\nexport default function onDomRemove(\n fieldsRef: React.MutableRefObject>,\n removeFieldEventListenerAndRef: (\n field: Field | undefined,\n forceDelete?: boolean,\n ) => void,\n): MutationObserver {\n const observer = new MutationObserver((): void => {\n for (const field of Object.values(fieldsRef.current)) {\n if (field && field.options) {\n for (const option of field.options) {\n if (option && option.ref && isDetached(option.ref)) {\n removeFieldEventListenerAndRef(field);\n }\n }\n } else if (field && isDetached(field.ref)) {\n removeFieldEventListenerAndRef(field);\n }\n }\n });\n\n observer.observe(window.document, {\n childList: true,\n subtree: true,\n });\n\n return observer;\n}\n","import { UNDEFINED } from '../constants';\n\nexport default typeof window !== UNDEFINED && typeof document !== UNDEFINED;\n","import isPrimitive from './isPrimitive';\nimport isHTMLElement from './isHTMLElement';\nimport isWeb from './isWeb';\n\nexport default function cloneObject(data: T): T {\n let copy: any;\n\n if (\n isPrimitive(data) ||\n (isWeb && (data instanceof File || isHTMLElement(data)))\n ) {\n return data;\n }\n\n if (data instanceof Date) {\n copy = new Date(data.getTime());\n return copy;\n }\n\n if (data instanceof Set) {\n copy = new Set();\n for (const item of data) {\n copy.add(item);\n }\n return copy;\n }\n\n if (data instanceof Map) {\n copy = new Map();\n for (const key of data.keys()) {\n copy.set(key, cloneObject(data.get(key)));\n }\n return copy;\n }\n\n copy = Array.isArray(data) ? [] : {};\n\n for (const key in data) {\n copy[key] = cloneObject(data[key]);\n }\n\n return copy;\n}\n","import { VALIDATION_MODE } from '../constants';\nimport { Mode } from '../types';\n\nexport default (\n mode?: Mode,\n): {\n isOnSubmit: boolean;\n isOnBlur: boolean;\n isOnChange: boolean;\n isOnAll: boolean;\n isOnTouch: boolean;\n} => ({\n isOnSubmit: !mode || mode === VALIDATION_MODE.onSubmit,\n isOnBlur: mode === VALIDATION_MODE.onBlur,\n isOnChange: mode === VALIDATION_MODE.onChange,\n isOnAll: mode === VALIDATION_MODE.all,\n isOnTouch: mode === VALIDATION_MODE.onTouched,\n});\n","import isRadioInput from './isRadioInput';\nimport isCheckBoxInput from './isCheckBoxInput';\nimport { FieldElement } from '../types';\n\nexport default (ref: FieldElement): ref is HTMLInputElement =>\n isRadioInput(ref) || isCheckBoxInput(ref);\n","import * as React from 'react';\nimport attachEventListeners from './logic/attachEventListeners';\nimport transformToNestObject from './logic/transformToNestObject';\nimport focusOnErrorField from './logic/focusOnErrorField';\nimport findRemovedFieldAndRemoveListener from './logic/findRemovedFieldAndRemoveListener';\nimport setFieldArrayDirtyFields from './logic/setFieldArrayDirtyFields';\nimport getFieldsValues from './logic/getFieldsValues';\nimport getFieldValue from './logic/getFieldValue';\nimport isErrorStateChanged from './logic/isErrorStateChanged';\nimport validateField from './logic/validateField';\nimport assignWatchFields from './logic/assignWatchFields';\nimport skipValidation from './logic/skipValidation';\nimport getNodeParentName from './logic/getNodeParentName';\nimport deepEqual from './utils/deepEqual';\nimport isNameInFieldArray from './logic/isNameInFieldArray';\nimport isCheckBoxInput from './utils/isCheckBoxInput';\nimport isEmptyObject from './utils/isEmptyObject';\nimport isRadioInput from './utils/isRadioInput';\nimport isSelectInput from './utils/isSelectInput';\nimport isFileInput from './utils/isFileInput';\nimport onDomRemove from './utils/onDomRemove';\nimport isObject from './utils/isObject';\nimport { getPath } from './utils/getPath';\nimport isPrimitive from './utils/isPrimitive';\nimport isFunction from './utils/isFunction';\nimport isString from './utils/isString';\nimport isUndefined from './utils/isUndefined';\nimport get from './utils/get';\nimport set from './utils/set';\nimport unset from './utils/unset';\nimport isKey from './utils/isKey';\nimport cloneObject from './utils/cloneObject';\nimport modeChecker from './utils/validationModeChecker';\nimport isMultipleSelect from './utils/isMultipleSelect';\nimport compact from './utils/compact';\nimport isNullOrUndefined from './utils/isNullOrUndefined';\nimport isRadioOrCheckboxFunction from './utils/isRadioOrCheckbox';\nimport isWeb from './utils/isWeb';\nimport isHTMLElement from './utils/isHTMLElement';\nimport { EVENTS, UNDEFINED, VALIDATION_MODE } from './constants';\nimport {\n UseFormMethods,\n FieldValues,\n UnpackNestedValue,\n FieldName,\n InternalFieldName,\n FieldErrors,\n Field,\n FieldRefs,\n UseFormOptions,\n RegisterOptions,\n SubmitHandler,\n FieldElement,\n FormStateProxy,\n ReadFormState,\n Ref,\n HandleChange,\n RadioOrCheckboxOption,\n OmitResetState,\n SetValueConfig,\n ErrorOption,\n FormState,\n SubmitErrorHandler,\n FieldNamesMarkedBoolean,\n LiteralToPrimitive,\n DeepPartial,\n InternalNameSet,\n DefaultValues,\n FieldError,\n SetFieldValue,\n FieldArrayDefaultValues,\n ResetFieldArrayFunctionRef,\n UseWatchRenderFunctions,\n RecordInternalNameSet,\n} from './types';\n\nconst isWindowUndefined = typeof window === UNDEFINED;\nconst isProxyEnabled = isWeb ? 'Proxy' in window : typeof Proxy !== UNDEFINED;\n\nexport function useForm<\n TFieldValues extends FieldValues = FieldValues,\n TContext extends object = object\n>({\n mode = VALIDATION_MODE.onSubmit,\n reValidateMode = VALIDATION_MODE.onChange,\n resolver,\n context,\n defaultValues = {} as DefaultValues,\n shouldFocusError = true,\n shouldUnregister = true,\n criteriaMode,\n}: UseFormOptions = {}): UseFormMethods {\n const fieldsRef = React.useRef>({});\n const fieldArrayDefaultValuesRef = React.useRef({});\n const fieldArrayValuesRef = React.useRef({});\n const watchFieldsRef = React.useRef>(new Set());\n const useWatchFieldsRef = React.useRef>(\n {},\n );\n const useWatchRenderFunctionsRef = React.useRef({});\n const fieldsWithValidationRef = React.useRef<\n FieldNamesMarkedBoolean\n >({});\n const validFieldsRef = React.useRef>(\n {},\n );\n const defaultValuesRef = React.useRef>(\n defaultValues,\n );\n const isUnMount = React.useRef(false);\n const isWatchAllRef = React.useRef(false);\n const handleChangeRef = React.useRef();\n const shallowFieldsStateRef = React.useRef({});\n const resetFieldArrayFunctionRef = React.useRef<\n ResetFieldArrayFunctionRef\n >({});\n const contextRef = React.useRef(context);\n const resolverRef = React.useRef(resolver);\n const fieldArrayNamesRef = React.useRef>(\n new Set(),\n );\n const modeRef = React.useRef(modeChecker(mode));\n const { isOnSubmit, isOnTouch } = modeRef.current;\n const isValidateAllFieldCriteria = criteriaMode === VALIDATION_MODE.all;\n const [formState, setFormState] = React.useState>({\n isDirty: false,\n isValidating: false,\n dirtyFields: {},\n isSubmitted: false,\n submitCount: 0,\n touched: {},\n isSubmitting: false,\n isSubmitSuccessful: false,\n isValid: !isOnSubmit,\n errors: {},\n });\n const readFormStateRef = React.useRef({\n isDirty: !isProxyEnabled,\n dirtyFields: !isProxyEnabled,\n touched: !isProxyEnabled || isOnTouch,\n isValidating: !isProxyEnabled,\n isSubmitting: !isProxyEnabled,\n isValid: !isProxyEnabled,\n });\n const formStateRef = React.useRef(formState);\n const observerRef = React.useRef();\n const {\n isOnBlur: isReValidateOnBlur,\n isOnChange: isReValidateOnChange,\n } = React.useRef(modeChecker(reValidateMode)).current;\n\n contextRef.current = context;\n resolverRef.current = resolver;\n formStateRef.current = formState;\n shallowFieldsStateRef.current = shouldUnregister\n ? {}\n : isEmptyObject(shallowFieldsStateRef.current)\n ? cloneObject(defaultValues)\n : shallowFieldsStateRef.current;\n\n const updateFormState = React.useCallback(\n (state: Partial> = {}) => {\n if (!isUnMount.current) {\n formStateRef.current = {\n ...formStateRef.current,\n ...state,\n };\n setFormState(formStateRef.current);\n }\n },\n [],\n );\n\n const updateIsValidating = () =>\n readFormStateRef.current.isValidating &&\n updateFormState({\n isValidating: true,\n });\n\n const shouldRenderBaseOnError = React.useCallback(\n (\n name: InternalFieldName,\n error: FieldError | undefined,\n shouldRender: boolean | null = false,\n state: {\n dirtyFields?: FieldNamesMarkedBoolean;\n isDirty?: boolean;\n touched?: FieldNamesMarkedBoolean;\n } = {},\n isValid?: boolean,\n ): boolean | void => {\n let shouldReRender =\n shouldRender ||\n isErrorStateChanged({\n errors: formStateRef.current.errors,\n error,\n name,\n validFields: validFieldsRef.current,\n fieldsWithValidation: fieldsWithValidationRef.current,\n });\n const previousError = get(formStateRef.current.errors, name);\n\n if (error) {\n unset(validFieldsRef.current, name);\n shouldReRender =\n shouldReRender ||\n !previousError ||\n !deepEqual(previousError, error, true);\n set(formStateRef.current.errors, name, error);\n } else {\n if (get(fieldsWithValidationRef.current, name) || resolverRef.current) {\n set(validFieldsRef.current, name, true);\n shouldReRender = shouldReRender || previousError;\n }\n\n unset(formStateRef.current.errors, name);\n }\n\n if (\n (shouldReRender && !isNullOrUndefined(shouldRender)) ||\n !isEmptyObject(state) ||\n readFormStateRef.current.isValidating\n ) {\n updateFormState({\n ...state,\n ...(resolverRef.current ? { isValid: !!isValid } : {}),\n isValidating: false,\n });\n }\n },\n [],\n );\n\n const setFieldValue = React.useCallback(\n (name: FieldName, rawValue: SetFieldValue) => {\n const { ref, options } = fieldsRef.current[name] as Field;\n const value =\n isWeb && isHTMLElement(ref) && isNullOrUndefined(rawValue)\n ? ''\n : rawValue;\n\n if (isRadioInput(ref)) {\n (options || []).forEach(\n ({ ref: radioRef }: { ref: HTMLInputElement }) =>\n (radioRef.checked = radioRef.value === value),\n );\n } else if (isFileInput(ref) && !isString(value)) {\n ref.files = value as FileList;\n } else if (isMultipleSelect(ref)) {\n [...ref.options].forEach(\n (selectRef) =>\n (selectRef.selected = (value as string[]).includes(\n selectRef.value,\n )),\n );\n } else if (isCheckBoxInput(ref) && options) {\n options.length > 1\n ? options.forEach(\n ({ ref: checkboxRef }) =>\n (checkboxRef.checked = Array.isArray(value)\n ? !!(value as []).find(\n (data: string) => data === checkboxRef.value,\n )\n : value === checkboxRef.value),\n )\n : (options[0].ref.checked = !!value);\n } else {\n ref.value = value;\n }\n },\n [],\n );\n\n const isFormDirty = React.useCallback(\n (name?: string, data?: unknown[]): boolean => {\n if (readFormStateRef.current.isDirty) {\n const formValues = getValues();\n\n name && data && set(formValues, name, data);\n\n return !deepEqual(formValues, defaultValuesRef.current);\n }\n\n return false;\n },\n [],\n );\n\n const updateAndGetDirtyState = React.useCallback(\n (\n name: InternalFieldName,\n shouldRender = true,\n ): Partial<\n Pick, 'dirtyFields' | 'isDirty' | 'touched'>\n > => {\n if (\n readFormStateRef.current.isDirty ||\n readFormStateRef.current.dirtyFields\n ) {\n const isFieldDirty = !deepEqual(\n get(defaultValuesRef.current, name),\n getFieldValue(fieldsRef, name, shallowFieldsStateRef),\n );\n const isDirtyFieldExist = get(formStateRef.current.dirtyFields, name);\n const previousIsDirty = formStateRef.current.isDirty;\n\n isFieldDirty\n ? set(formStateRef.current.dirtyFields, name, true)\n : unset(formStateRef.current.dirtyFields, name);\n\n const state = {\n isDirty: isFormDirty(),\n dirtyFields: formStateRef.current.dirtyFields,\n };\n\n const isChanged =\n (readFormStateRef.current.isDirty &&\n previousIsDirty !== state.isDirty) ||\n (readFormStateRef.current.dirtyFields &&\n isDirtyFieldExist !== get(formStateRef.current.dirtyFields, name));\n\n isChanged && shouldRender && updateFormState(state);\n\n return isChanged ? state : {};\n }\n\n return {};\n },\n [],\n );\n\n const executeValidation = React.useCallback(\n async (\n name: InternalFieldName,\n skipReRender?: boolean | null,\n ): Promise => {\n if (process.env.NODE_ENV !== 'production') {\n if (!fieldsRef.current[name]) {\n console.warn('📋 Field is missing with `name` attribute: ', name);\n return false;\n }\n }\n\n const error = (\n await validateField(\n fieldsRef,\n isValidateAllFieldCriteria,\n fieldsRef.current[name] as Field,\n shallowFieldsStateRef,\n )\n )[name];\n\n shouldRenderBaseOnError(name, error, skipReRender);\n\n return isUndefined(error);\n },\n [shouldRenderBaseOnError, isValidateAllFieldCriteria],\n );\n\n const executeSchemaOrResolverValidation = React.useCallback(\n async (\n names:\n | InternalFieldName\n | InternalFieldName[],\n ) => {\n const { errors } = await resolverRef.current!(\n getValues(),\n contextRef.current,\n isValidateAllFieldCriteria,\n );\n const previousFormIsValid = formStateRef.current.isValid;\n\n if (Array.isArray(names)) {\n const isInputsValid = names\n .map((name) => {\n const error = get(errors, name);\n\n error\n ? set(formStateRef.current.errors, name, error)\n : unset(formStateRef.current.errors, name);\n\n return !error;\n })\n .every(Boolean);\n\n updateFormState({\n isValid: isEmptyObject(errors),\n isValidating: false,\n });\n\n return isInputsValid;\n } else {\n const error = get(errors, names);\n\n shouldRenderBaseOnError(\n names,\n error,\n previousFormIsValid !== isEmptyObject(errors),\n {},\n isEmptyObject(errors),\n );\n\n return !error;\n }\n },\n [shouldRenderBaseOnError, isValidateAllFieldCriteria],\n );\n\n const trigger = React.useCallback(\n async (\n name?: FieldName | FieldName[],\n ): Promise => {\n const fields = name || Object.keys(fieldsRef.current);\n\n updateIsValidating();\n\n if (resolverRef.current) {\n return executeSchemaOrResolverValidation(fields);\n }\n\n if (Array.isArray(fields)) {\n !name && (formStateRef.current.errors = {});\n const result = await Promise.all(\n fields.map(async (data) => await executeValidation(data, null)),\n );\n updateFormState({\n isValidating: false,\n });\n return result.every(Boolean);\n }\n\n return await executeValidation(fields);\n },\n [executeSchemaOrResolverValidation, executeValidation],\n );\n\n const setInternalValues = React.useCallback(\n (\n name: FieldName,\n value: SetFieldValue,\n { shouldDirty, shouldValidate }: SetValueConfig,\n ) => {\n const data = {};\n set(data, name, value);\n\n for (const fieldName of getPath(name, value)) {\n if (fieldsRef.current[fieldName]) {\n setFieldValue(fieldName, get(data, fieldName));\n shouldDirty && updateAndGetDirtyState(fieldName);\n shouldValidate && trigger(fieldName as FieldName);\n }\n }\n },\n [trigger, setFieldValue, updateAndGetDirtyState],\n );\n\n const setInternalValue = React.useCallback(\n (\n name: FieldName,\n value: SetFieldValue,\n config: SetValueConfig,\n ) => {\n !shouldUnregister &&\n !isPrimitive(value) &&\n set(shallowFieldsStateRef.current, name, { ...value });\n\n if (fieldsRef.current[name]) {\n setFieldValue(name, value);\n config.shouldDirty && updateAndGetDirtyState(name);\n config.shouldValidate && trigger(name as any);\n } else if (!isPrimitive(value)) {\n setInternalValues(name, value, config);\n\n if (fieldArrayNamesRef.current.has(name)) {\n const parentName = getNodeParentName(name) || name;\n set(fieldArrayDefaultValuesRef.current, name, value);\n\n resetFieldArrayFunctionRef.current[parentName]({\n [parentName]: get(fieldArrayDefaultValuesRef.current, parentName),\n } as UnpackNestedValue>);\n\n if (\n (readFormStateRef.current.isDirty ||\n readFormStateRef.current.dirtyFields) &&\n config.shouldDirty\n ) {\n set(\n formStateRef.current.dirtyFields,\n name,\n setFieldArrayDirtyFields(\n value,\n get(defaultValuesRef.current, name, []),\n get(formStateRef.current.dirtyFields, name, []),\n ),\n );\n\n updateFormState({\n isDirty: !deepEqual(\n { ...getValues(), [name]: value },\n defaultValuesRef.current,\n ),\n });\n }\n }\n }\n\n !shouldUnregister && set(shallowFieldsStateRef.current, name, value);\n },\n [updateAndGetDirtyState, setFieldValue, setInternalValues],\n );\n\n const isFieldWatched = >(name: T) =>\n isWatchAllRef.current ||\n watchFieldsRef.current.has(name) ||\n watchFieldsRef.current.has((name.match(/\\w+/) || [])[0]);\n\n const renderWatchedInputs = >(\n name: T,\n ): boolean => {\n let found = true;\n\n if (!isEmptyObject(useWatchFieldsRef.current)) {\n for (const key in useWatchFieldsRef.current) {\n if (\n !name ||\n !useWatchFieldsRef.current[key].size ||\n useWatchFieldsRef.current[key].has(name) ||\n useWatchFieldsRef.current[key].has(getNodeParentName(name))\n ) {\n useWatchRenderFunctionsRef.current[key]();\n found = false;\n }\n }\n }\n\n return found;\n };\n\n function setValue(\n name: FieldName,\n value: SetFieldValue,\n config?: SetValueConfig,\n ): void {\n setInternalValue(name, value, config || {});\n isFieldWatched(name) && updateFormState();\n renderWatchedInputs(name);\n }\n\n handleChangeRef.current = handleChangeRef.current\n ? handleChangeRef.current\n : async ({ type, target }: Event): Promise => {\n let name = (target as Ref)!.name;\n const field = fieldsRef.current[name];\n let error;\n let isValid;\n\n if (field) {\n const isBlurEvent = type === EVENTS.BLUR;\n const shouldSkipValidation = skipValidation({\n isBlurEvent,\n isReValidateOnChange,\n isReValidateOnBlur,\n isTouched: !!get(formStateRef.current.touched, name),\n isSubmitted: formStateRef.current.isSubmitted,\n ...modeRef.current,\n });\n let state = updateAndGetDirtyState(name, false);\n let shouldRender =\n !isEmptyObject(state) ||\n (!isBlurEvent && isFieldWatched(name as FieldName));\n\n if (\n isBlurEvent &&\n !get(formStateRef.current.touched, name) &&\n readFormStateRef.current.touched\n ) {\n set(formStateRef.current.touched, name, true);\n state = {\n ...state,\n touched: formStateRef.current.touched,\n };\n }\n\n if (!shouldUnregister && isCheckBoxInput(target as Ref)) {\n set(\n shallowFieldsStateRef.current,\n name,\n getFieldValue(fieldsRef, name),\n );\n }\n\n if (shouldSkipValidation) {\n !isBlurEvent && renderWatchedInputs(name);\n return (\n (!isEmptyObject(state) ||\n (shouldRender && isEmptyObject(state))) &&\n updateFormState(state)\n );\n }\n\n updateIsValidating();\n\n if (resolverRef.current) {\n const { errors } = await resolverRef.current(\n getValues(),\n contextRef.current,\n isValidateAllFieldCriteria,\n );\n const previousFormIsValid = formStateRef.current.isValid;\n error = get(errors, name);\n\n if (\n isCheckBoxInput(target as Ref) &&\n !error &&\n resolverRef.current\n ) {\n const parentNodeName = getNodeParentName(name);\n const currentError = get(errors, parentNodeName, {});\n currentError.type &&\n currentError.message &&\n (error = currentError);\n\n if (\n parentNodeName &&\n (currentError ||\n get(formStateRef.current.errors, parentNodeName))\n ) {\n name = parentNodeName;\n }\n }\n\n isValid = isEmptyObject(errors);\n\n previousFormIsValid !== isValid && (shouldRender = true);\n } else {\n error = (\n await validateField(\n fieldsRef,\n isValidateAllFieldCriteria,\n field,\n shallowFieldsStateRef,\n )\n )[name];\n }\n\n !isBlurEvent && renderWatchedInputs(name);\n shouldRenderBaseOnError(name, error, shouldRender, state, isValid);\n }\n };\n\n function setFieldArrayDefaultValues(data: T): T {\n if (!shouldUnregister) {\n let copy = cloneObject(data);\n\n for (const value of fieldArrayNamesRef.current) {\n if (isKey(value) && !copy[value]) {\n copy = {\n ...copy,\n [value]: [],\n };\n }\n }\n\n return copy;\n }\n return data;\n }\n\n function getValues(): UnpackNestedValue;\n function getValues(\n name: TFieldName,\n ): TFieldName extends keyof TFieldValues\n ? UnpackNestedValue[TFieldName]\n : TFieldValue;\n function getValues(\n names: TFieldName[],\n ): UnpackNestedValue>;\n function getValues(payload?: string | string[]): unknown {\n if (isString(payload)) {\n return getFieldValue(fieldsRef, payload, shallowFieldsStateRef);\n }\n\n if (Array.isArray(payload)) {\n const data = {};\n\n for (const name of payload) {\n set(data, name, getFieldValue(fieldsRef, name, shallowFieldsStateRef));\n }\n\n return data;\n }\n\n return setFieldArrayDefaultValues(\n getFieldsValues(\n fieldsRef,\n cloneObject(shallowFieldsStateRef.current),\n shouldUnregister,\n ),\n );\n }\n\n const validateResolver = React.useCallback(\n async (values = {}) => {\n const { errors } = await resolverRef.current!(\n {\n ...getValues(),\n ...values,\n },\n contextRef.current,\n isValidateAllFieldCriteria,\n );\n const isValid = isEmptyObject(errors);\n\n formStateRef.current.isValid !== isValid &&\n updateFormState({\n isValid,\n });\n },\n [isValidateAllFieldCriteria],\n );\n\n const removeFieldEventListener = React.useCallback(\n (field: Field, forceDelete?: boolean) =>\n findRemovedFieldAndRemoveListener(\n fieldsRef,\n handleChangeRef.current!,\n field,\n shallowFieldsStateRef,\n shouldUnregister,\n forceDelete,\n ),\n [shouldUnregister],\n );\n\n const updateWatchedValue = React.useCallback((name: string) => {\n if (isWatchAllRef.current) {\n updateFormState();\n } else {\n for (const watchField of watchFieldsRef.current) {\n if (watchField.startsWith(name)) {\n updateFormState();\n break;\n }\n }\n\n renderWatchedInputs(name);\n }\n }, []);\n\n const removeFieldEventListenerAndRef = React.useCallback(\n (field?: Field, forceDelete?: boolean) => {\n if (field) {\n removeFieldEventListener(field, forceDelete);\n\n if (shouldUnregister && !compact(field.options || []).length) {\n unset(validFieldsRef.current, field.ref.name);\n unset(fieldsWithValidationRef.current, field.ref.name);\n unset(formStateRef.current.errors, field.ref.name);\n set(formStateRef.current.dirtyFields, field.ref.name, true);\n\n updateFormState({\n isDirty: isFormDirty(),\n });\n\n readFormStateRef.current.isValid &&\n resolverRef.current &&\n validateResolver();\n updateWatchedValue(field.ref.name);\n }\n }\n },\n [validateResolver, removeFieldEventListener],\n );\n\n function clearErrors(\n name?: FieldName | FieldName[],\n ): void {\n name &&\n (Array.isArray(name) ? name : [name]).forEach((inputName) =>\n fieldsRef.current[inputName] && isKey(inputName)\n ? delete formStateRef.current.errors[inputName]\n : unset(formStateRef.current.errors, inputName),\n );\n\n updateFormState({\n errors: name ? formStateRef.current.errors : {},\n });\n }\n\n function setError(name: FieldName, error: ErrorOption) {\n const ref = (fieldsRef.current[name] || {})!.ref;\n\n set(formStateRef.current.errors, name, {\n ...error,\n ref,\n });\n\n updateFormState({\n isValid: false,\n });\n\n error.shouldFocus && ref && ref.focus && ref.focus();\n }\n\n const watchInternal = React.useCallback(\n (fieldNames?: string | string[], defaultValue?: T, watchId?: string) => {\n const watchFields = watchId\n ? useWatchFieldsRef.current[watchId]\n : watchFieldsRef.current;\n let fieldValues = getFieldsValues(\n fieldsRef,\n cloneObject(shallowFieldsStateRef.current),\n shouldUnregister,\n false,\n fieldNames,\n );\n\n if (isString(fieldNames)) {\n if (fieldArrayNamesRef.current.has(fieldNames)) {\n const fieldArrayValue = get(\n fieldArrayValuesRef.current,\n fieldNames,\n [],\n );\n fieldValues =\n !fieldArrayValue.length ||\n fieldArrayValue.length !==\n compact(get(fieldValues, fieldNames, [])).length\n ? fieldArrayValuesRef.current\n : fieldValues;\n }\n\n return assignWatchFields(\n fieldValues,\n fieldNames,\n watchFields,\n isUndefined(get(defaultValuesRef.current, fieldNames))\n ? defaultValue\n : get(defaultValuesRef.current, fieldNames),\n true,\n );\n }\n\n const combinedDefaultValues = isUndefined(defaultValue)\n ? defaultValuesRef.current\n : defaultValue;\n\n if (Array.isArray(fieldNames)) {\n return fieldNames.reduce(\n (previous, name) => ({\n ...previous,\n [name]: assignWatchFields(\n fieldValues,\n name,\n watchFields,\n combinedDefaultValues as UnpackNestedValue<\n DeepPartial\n >,\n ),\n }),\n {},\n );\n }\n\n isWatchAllRef.current = isUndefined(watchId);\n\n return transformToNestObject(\n (!isEmptyObject(fieldValues) && fieldValues) ||\n (combinedDefaultValues as FieldValues),\n );\n },\n [],\n );\n\n function watch(): UnpackNestedValue;\n function watch<\n TFieldName extends string,\n TFieldValue extends TFieldValues[TFieldName]\n >(\n name: TFieldName,\n defaultValue?: UnpackNestedValue>,\n ): UnpackNestedValue>;\n function watch(\n names: TFieldName[],\n defaultValues?: UnpackNestedValue<\n DeepPartial>\n >,\n ): UnpackNestedValue>;\n function watch(\n names: string[],\n defaultValues?: UnpackNestedValue>,\n ): UnpackNestedValue>;\n function watch(\n fieldNames?: string | string[],\n defaultValue?: unknown,\n ): unknown {\n return watchInternal(fieldNames, defaultValue);\n }\n\n function unregister(\n name: FieldName | FieldName[],\n ): void {\n for (const fieldName of Array.isArray(name) ? name : [name]) {\n removeFieldEventListenerAndRef(fieldsRef.current[fieldName], true);\n }\n }\n\n function registerFieldRef>(\n ref: TFieldElement & Ref,\n options: RegisterOptions | null = {},\n ): ((name: InternalFieldName) => void) | void {\n if (process.env.NODE_ENV !== 'production') {\n if (!ref.name) {\n return console.warn(\n '📋 Field is missing `name` attribute',\n ref,\n `https://react-hook-form.com/api#useForm`,\n );\n }\n\n if (\n fieldArrayNamesRef.current.has(ref.name.split(/\\[\\d+\\]$/)[0]) &&\n !RegExp(\n `^${ref.name.split(/\\[\\d+\\]$/)[0]}[\\\\d+].\\\\w+`\n .replace(/\\[/g, '\\\\[')\n .replace(/\\]/g, '\\\\]'),\n ).test(ref.name)\n ) {\n return console.warn(\n '📋 `name` prop should be in object shape: name=\"test[index].name\"',\n ref,\n 'https://react-hook-form.com/api#useFieldArray',\n );\n }\n }\n\n const { name, type, value } = ref;\n const fieldRefAndValidationOptions = {\n ref,\n ...options,\n };\n const fields = fieldsRef.current;\n const isRadioOrCheckbox = isRadioOrCheckboxFunction(ref);\n const isFieldArray = isNameInFieldArray(fieldArrayNamesRef.current, name);\n const compareRef = (currentRef: Ref) =>\n isWeb && (!isHTMLElement(ref) || currentRef === ref);\n let field = fields[name] as Field;\n let isEmptyDefaultValue = true;\n let defaultValue;\n\n if (\n field &&\n (isRadioOrCheckbox\n ? Array.isArray(field.options) &&\n compact(field.options).find((option) => {\n return value === option.ref.value && compareRef(option.ref);\n })\n : compareRef(field.ref))\n ) {\n fields[name] = {\n ...field,\n ...options,\n };\n return;\n }\n\n if (type) {\n field = isRadioOrCheckbox\n ? {\n options: [\n ...compact((field && field.options) || []),\n {\n ref,\n } as RadioOrCheckboxOption,\n ],\n ref: { type, name },\n ...options,\n }\n : {\n ...fieldRefAndValidationOptions,\n };\n } else {\n field = fieldRefAndValidationOptions;\n }\n\n fields[name] = field;\n\n const isEmptyUnmountFields = isUndefined(\n get(shallowFieldsStateRef.current, name),\n );\n\n if (!isEmptyObject(defaultValuesRef.current) || !isEmptyUnmountFields) {\n defaultValue = get(\n isEmptyUnmountFields\n ? defaultValuesRef.current\n : shallowFieldsStateRef.current,\n name,\n );\n isEmptyDefaultValue = isUndefined(defaultValue);\n\n if (!isEmptyDefaultValue && !isFieldArray) {\n setFieldValue(name as FieldName, defaultValue);\n }\n }\n\n if (!isEmptyObject(options)) {\n set(fieldsWithValidationRef.current, name, true);\n\n if (!isOnSubmit && readFormStateRef.current.isValid) {\n validateField(\n fieldsRef,\n isValidateAllFieldCriteria,\n field,\n shallowFieldsStateRef,\n ).then((error: FieldErrors) => {\n const previousFormIsValid = formStateRef.current.isValid;\n\n isEmptyObject(error)\n ? set(validFieldsRef.current, name, true)\n : unset(validFieldsRef.current, name);\n\n previousFormIsValid !== isEmptyObject(error) && updateFormState();\n });\n }\n }\n\n if (shouldUnregister && !(isFieldArray && isEmptyDefaultValue)) {\n !isFieldArray && unset(formStateRef.current.dirtyFields, name);\n }\n\n if (type) {\n attachEventListeners(\n isRadioOrCheckbox && field.options\n ? field.options[field.options.length - 1]\n : field,\n isRadioOrCheckbox || isSelectInput(ref),\n handleChangeRef.current,\n );\n }\n }\n\n function register>(\n options?: RegisterOptions,\n ): (ref: (TFieldElement & Ref) | null) => void;\n function register(\n name: FieldName,\n options?: RegisterOptions,\n ): void;\n function register>(\n ref: (TFieldElement & Ref) | null,\n options?: RegisterOptions,\n ): void;\n function register>(\n refOrRegisterOptions?:\n | FieldName\n | RegisterOptions\n | (TFieldElement & Ref)\n | null,\n options?: RegisterOptions,\n ): ((ref: (TFieldElement & Ref) | null) => void) | void {\n if (!isWindowUndefined) {\n if (isString(refOrRegisterOptions)) {\n registerFieldRef({ name: refOrRegisterOptions }, options);\n } else if (\n isObject(refOrRegisterOptions) &&\n 'name' in refOrRegisterOptions\n ) {\n registerFieldRef(refOrRegisterOptions, options);\n } else {\n return (ref: (TFieldElement & Ref) | null) =>\n ref && registerFieldRef(ref, refOrRegisterOptions);\n }\n }\n }\n\n const handleSubmit = React.useCallback(\n (\n onValid: SubmitHandler,\n onInvalid?: SubmitErrorHandler,\n ) => async (e?: React.BaseSyntheticEvent): Promise => {\n if (e && e.preventDefault) {\n e.preventDefault();\n e.persist();\n }\n let fieldErrors: FieldErrors = {};\n let fieldValues = setFieldArrayDefaultValues(\n getFieldsValues(\n fieldsRef,\n cloneObject(shallowFieldsStateRef.current),\n shouldUnregister,\n true,\n ),\n );\n\n readFormStateRef.current.isSubmitting &&\n updateFormState({\n isSubmitting: true,\n });\n\n try {\n if (resolverRef.current) {\n const { errors, values } = await resolverRef.current(\n fieldValues,\n contextRef.current,\n isValidateAllFieldCriteria,\n );\n formStateRef.current.errors = fieldErrors = errors;\n fieldValues = values;\n } else {\n for (const field of Object.values(fieldsRef.current)) {\n if (field) {\n const { name } = field.ref;\n\n const fieldError = await validateField(\n fieldsRef,\n isValidateAllFieldCriteria,\n field,\n shallowFieldsStateRef,\n );\n\n if (fieldError[name]) {\n set(fieldErrors, name, fieldError[name]);\n unset(validFieldsRef.current, name);\n } else if (get(fieldsWithValidationRef.current, name)) {\n unset(formStateRef.current.errors, name);\n set(validFieldsRef.current, name, true);\n }\n }\n }\n }\n\n if (\n isEmptyObject(fieldErrors) &&\n Object.keys(formStateRef.current.errors).every(\n (name) => name in fieldsRef.current,\n )\n ) {\n updateFormState({\n errors: {},\n isSubmitting: true,\n });\n await onValid(fieldValues, e);\n } else {\n formStateRef.current.errors = {\n ...formStateRef.current.errors,\n ...fieldErrors,\n };\n onInvalid && (await onInvalid(formStateRef.current.errors, e));\n shouldFocusError &&\n focusOnErrorField(fieldsRef.current, formStateRef.current.errors);\n }\n } finally {\n formStateRef.current.isSubmitting = false;\n updateFormState({\n isSubmitted: true,\n isSubmitting: false,\n isSubmitSuccessful: isEmptyObject(formStateRef.current.errors),\n submitCount: formStateRef.current.submitCount + 1,\n });\n }\n },\n [shouldFocusError, isValidateAllFieldCriteria],\n );\n\n const resetRefs = ({\n errors,\n isDirty,\n isSubmitted,\n touched,\n isValid,\n submitCount,\n dirtyFields,\n }: OmitResetState) => {\n if (!isValid) {\n validFieldsRef.current = {};\n fieldsWithValidationRef.current = {};\n }\n\n fieldArrayDefaultValuesRef.current = {};\n watchFieldsRef.current = new Set();\n isWatchAllRef.current = false;\n\n updateFormState({\n submitCount: submitCount ? formStateRef.current.submitCount : 0,\n isDirty: isDirty ? formStateRef.current.isDirty : false,\n isSubmitted: isSubmitted ? formStateRef.current.isSubmitted : false,\n isValid: isValid ? formStateRef.current.isValid : false,\n dirtyFields: dirtyFields ? formStateRef.current.dirtyFields : {},\n touched: touched ? formStateRef.current.touched : {},\n errors: errors ? formStateRef.current.errors : {},\n isSubmitting: false,\n isSubmitSuccessful: false,\n });\n };\n\n const reset = (\n values?: DefaultValues,\n omitResetState: OmitResetState = {},\n ): void => {\n if (isWeb) {\n for (const field of Object.values(fieldsRef.current)) {\n if (field) {\n const { ref, options } = field;\n const inputRef =\n isRadioOrCheckboxFunction(ref) && Array.isArray(options)\n ? options[0].ref\n : ref;\n\n if (isHTMLElement(inputRef)) {\n try {\n inputRef.closest('form')!.reset();\n break;\n } catch {}\n }\n }\n }\n }\n\n fieldsRef.current = {};\n defaultValuesRef.current = { ...(values || defaultValuesRef.current) };\n values && renderWatchedInputs('');\n\n Object.values(resetFieldArrayFunctionRef.current).forEach(\n (resetFieldArray) => isFunction(resetFieldArray) && resetFieldArray(),\n );\n\n shallowFieldsStateRef.current = shouldUnregister\n ? {}\n : cloneObject(values || defaultValuesRef.current);\n\n resetRefs(omitResetState);\n };\n\n React.useEffect(() => {\n resolver && readFormStateRef.current.isValid && validateResolver();\n observerRef.current =\n observerRef.current || !isWeb\n ? observerRef.current\n : onDomRemove(fieldsRef, removeFieldEventListenerAndRef);\n }, [removeFieldEventListenerAndRef, defaultValuesRef.current]);\n\n React.useEffect(\n () => () => {\n observerRef.current && observerRef.current.disconnect();\n isUnMount.current = true;\n\n if (process.env.NODE_ENV !== 'production') {\n return;\n }\n\n Object.values(fieldsRef.current).forEach((field) =>\n removeFieldEventListenerAndRef(field, true),\n );\n },\n [],\n );\n\n if (!resolver && readFormStateRef.current.isValid) {\n formState.isValid =\n deepEqual(validFieldsRef.current, fieldsWithValidationRef.current) &&\n isEmptyObject(formStateRef.current.errors);\n }\n\n const commonProps = {\n trigger,\n setValue: React.useCallback(setValue, [setInternalValue, trigger]),\n getValues: React.useCallback(getValues, []),\n register: React.useCallback(register, [defaultValuesRef.current]),\n unregister: React.useCallback(unregister, []),\n formState: isProxyEnabled\n ? new Proxy(formState, {\n get: (obj, prop: keyof FormStateProxy) => {\n if (process.env.NODE_ENV !== 'production') {\n if (prop === 'isValid' && isOnSubmit) {\n console.warn(\n '📋 `formState.isValid` is applicable with `onTouched`, `onChange` or `onBlur` mode. https://react-hook-form.com/api#formState',\n );\n }\n }\n\n if (prop in obj) {\n readFormStateRef.current[prop] = true;\n return obj[prop];\n }\n\n return undefined;\n },\n })\n : formState,\n };\n\n const control = React.useMemo(\n () => ({\n isFormDirty,\n updateWatchedValue,\n shouldUnregister,\n updateFormState,\n removeFieldEventListener,\n watchInternal,\n mode: modeRef.current,\n reValidateMode: {\n isReValidateOnBlur,\n isReValidateOnChange,\n },\n validateResolver: resolver ? validateResolver : undefined,\n fieldsRef,\n resetFieldArrayFunctionRef,\n useWatchFieldsRef,\n useWatchRenderFunctionsRef,\n fieldArrayDefaultValuesRef,\n validFieldsRef,\n fieldsWithValidationRef,\n fieldArrayNamesRef,\n readFormStateRef,\n formStateRef,\n defaultValuesRef,\n shallowFieldsStateRef,\n fieldArrayValuesRef,\n ...commonProps,\n }),\n [\n defaultValuesRef.current,\n updateWatchedValue,\n shouldUnregister,\n removeFieldEventListener,\n watchInternal,\n ],\n );\n\n return {\n watch,\n control,\n handleSubmit,\n reset: React.useCallback(reset, []),\n clearErrors: React.useCallback(clearErrors, []),\n setError: React.useCallback(setError, []),\n errors: formState.errors,\n ...commonProps,\n };\n}\n","import * as React from 'react';\nimport { UseFormMethods, FieldValues, FormProviderProps } from './types';\n\nconst FormContext = React.createContext(null);\n\nFormContext.displayName = 'RHFContext';\n\nexport const useFormContext = <\n TFieldValues extends FieldValues\n>(): UseFormMethods =>\n React.useContext(FormContext) as UseFormMethods;\n\nexport const FormProvider = ({\n children,\n ...props\n}: FormProviderProps) => (\n \n {children}\n \n);\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar ace_1 = require(\"./ace\");\nvar diff_1 = require(\"./diff\");\nexports.diff = diff_1.default;\nvar split_1 = require(\"./split\");\nexports.split = split_1.default;\nexports.default = ace_1.default;\n//# sourceMappingURL=index.js.map","\"use strict\";\nvar __extends = (this && this.__extends) || (function () {\n var extendStatics = function (d, b) {\n extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\n return extendStatics(d, b);\n };\n return function (d, b) {\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\nvar __assign = (this && this.__assign) || function () {\n __assign = Object.assign || function(t) {\n for (var s, i = 1, n = arguments.length; i < n; i++) {\n s = arguments[i];\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))\n t[p] = s[p];\n }\n return t;\n };\n return __assign.apply(this, arguments);\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar PropTypes = require(\"prop-types\");\nvar React = require(\"react\");\nvar isEqual = require(\"lodash.isequal\");\nvar editorOptions_1 = require(\"./editorOptions\");\nvar ace = editorOptions_1.getAceInstance();\nvar Range = ace.require(\"ace/range\").Range;\nvar ReactAce = /** @class */ (function (_super) {\n __extends(ReactAce, _super);\n function ReactAce(props) {\n var _this = _super.call(this, props) || this;\n editorOptions_1.editorEvents.forEach(function (method) {\n _this[method] = _this[method].bind(_this);\n });\n _this.debounce = editorOptions_1.debounce;\n return _this;\n }\n ReactAce.prototype.componentDidMount = function () {\n var _this = this;\n var _a = this.props, className = _a.className, onBeforeLoad = _a.onBeforeLoad, onValidate = _a.onValidate, mode = _a.mode, focus = _a.focus, theme = _a.theme, fontSize = _a.fontSize, value = _a.value, defaultValue = _a.defaultValue, cursorStart = _a.cursorStart, showGutter = _a.showGutter, wrapEnabled = _a.wrapEnabled, showPrintMargin = _a.showPrintMargin, _b = _a.scrollMargin, scrollMargin = _b === void 0 ? [0, 0, 0, 0] : _b, keyboardHandler = _a.keyboardHandler, onLoad = _a.onLoad, commands = _a.commands, annotations = _a.annotations, markers = _a.markers, placeholder = _a.placeholder;\n this.editor = ace.edit(this.refEditor);\n if (onBeforeLoad) {\n onBeforeLoad(ace);\n }\n var editorProps = Object.keys(this.props.editorProps);\n for (var i = 0; i < editorProps.length; i++) {\n this.editor[editorProps[i]] = this.props.editorProps[editorProps[i]];\n }\n if (this.props.debounceChangePeriod) {\n this.onChange = this.debounce(this.onChange, this.props.debounceChangePeriod);\n }\n this.editor.renderer.setScrollMargin(scrollMargin[0], scrollMargin[1], scrollMargin[2], scrollMargin[3]);\n this.editor.getSession().setMode(\"ace/mode/\" + mode);\n this.editor.setTheme(\"ace/theme/\" + theme);\n this.editor.setFontSize(fontSize);\n this.editor\n .getSession()\n .setValue(!defaultValue ? value : defaultValue, cursorStart);\n if (this.props.navigateToFileEnd) {\n this.editor.navigateFileEnd();\n }\n this.editor.renderer.setShowGutter(showGutter);\n this.editor.getSession().setUseWrapMode(wrapEnabled);\n this.editor.setShowPrintMargin(showPrintMargin);\n this.editor.on(\"focus\", this.onFocus);\n this.editor.on(\"blur\", this.onBlur);\n this.editor.on(\"copy\", this.onCopy);\n this.editor.on(\"paste\", this.onPaste);\n this.editor.on(\"change\", this.onChange);\n this.editor.on(\"input\", this.onInput);\n if (placeholder) {\n this.updatePlaceholder();\n }\n this.editor\n .getSession()\n .selection.on(\"changeSelection\", this.onSelectionChange);\n this.editor.getSession().selection.on(\"changeCursor\", this.onCursorChange);\n if (onValidate) {\n this.editor.getSession().on(\"changeAnnotation\", function () {\n // tslint:disable-next-line:no-shadowed-variable\n var annotations = _this.editor.getSession().getAnnotations();\n _this.props.onValidate(annotations);\n });\n }\n this.editor.session.on(\"changeScrollTop\", this.onScroll);\n this.editor.getSession().setAnnotations(annotations || []);\n if (markers && markers.length > 0) {\n this.handleMarkers(markers);\n }\n // get a list of possible options to avoid 'misspelled option errors'\n var availableOptions = this.editor.$options;\n editorOptions_1.editorOptions.forEach(function (option) {\n if (availableOptions.hasOwnProperty(option)) {\n _this.editor.setOption(option, _this.props[option]);\n }\n else if (_this.props[option]) {\n console.warn(\"ReactAce: editor option \" + option + \" was activated but not found. Did you need to import a related tool or did you possibly mispell the option?\");\n }\n });\n this.handleOptions(this.props);\n if (Array.isArray(commands)) {\n commands.forEach(function (command) {\n if (typeof command.exec === \"string\") {\n _this.editor.commands.bindKey(command.bindKey, command.exec);\n }\n else {\n _this.editor.commands.addCommand(command);\n }\n });\n }\n if (keyboardHandler) {\n this.editor.setKeyboardHandler(\"ace/keyboard/\" + keyboardHandler);\n }\n if (className) {\n this.refEditor.className += \" \" + className;\n }\n if (onLoad) {\n onLoad(this.editor);\n }\n this.editor.resize();\n if (focus) {\n this.editor.focus();\n }\n };\n ReactAce.prototype.componentDidUpdate = function (prevProps) {\n var oldProps = prevProps;\n var nextProps = this.props;\n for (var i = 0; i < editorOptions_1.editorOptions.length; i++) {\n var option = editorOptions_1.editorOptions[i];\n if (nextProps[option] !== oldProps[option]) {\n this.editor.setOption(option, nextProps[option]);\n }\n }\n if (nextProps.className !== oldProps.className) {\n var appliedClasses = this.refEditor.className;\n var appliedClassesArray_1 = appliedClasses.trim().split(\" \");\n var oldClassesArray = oldProps.className.trim().split(\" \");\n oldClassesArray.forEach(function (oldClass) {\n var index = appliedClassesArray_1.indexOf(oldClass);\n appliedClassesArray_1.splice(index, 1);\n });\n this.refEditor.className =\n \" \" + nextProps.className + \" \" + appliedClassesArray_1.join(\" \");\n }\n // First process editor value, as it may create a new session (see issue #300)\n if (this.editor && this.editor.getValue() !== nextProps.value) {\n // editor.setValue is a synchronous function call, change event is emitted before setValue return.\n this.silent = true;\n var pos = this.editor.session.selection.toJSON();\n this.editor.setValue(nextProps.value, nextProps.cursorStart);\n this.editor.session.selection.fromJSON(pos);\n this.silent = false;\n }\n if (nextProps.placeholder !== oldProps.placeholder) {\n this.updatePlaceholder();\n }\n if (nextProps.mode !== oldProps.mode) {\n this.editor.getSession().setMode(\"ace/mode/\" + nextProps.mode);\n }\n if (nextProps.theme !== oldProps.theme) {\n this.editor.setTheme(\"ace/theme/\" + nextProps.theme);\n }\n if (nextProps.keyboardHandler !== oldProps.keyboardHandler) {\n if (nextProps.keyboardHandler) {\n this.editor.setKeyboardHandler(\"ace/keyboard/\" + nextProps.keyboardHandler);\n }\n else {\n this.editor.setKeyboardHandler(null);\n }\n }\n if (nextProps.fontSize !== oldProps.fontSize) {\n this.editor.setFontSize(nextProps.fontSize);\n }\n if (nextProps.wrapEnabled !== oldProps.wrapEnabled) {\n this.editor.getSession().setUseWrapMode(nextProps.wrapEnabled);\n }\n if (nextProps.showPrintMargin !== oldProps.showPrintMargin) {\n this.editor.setShowPrintMargin(nextProps.showPrintMargin);\n }\n if (nextProps.showGutter !== oldProps.showGutter) {\n this.editor.renderer.setShowGutter(nextProps.showGutter);\n }\n if (!isEqual(nextProps.setOptions, oldProps.setOptions)) {\n this.handleOptions(nextProps);\n }\n if (!isEqual(nextProps.annotations, oldProps.annotations)) {\n this.editor.getSession().setAnnotations(nextProps.annotations || []);\n }\n if (!isEqual(nextProps.markers, oldProps.markers) &&\n Array.isArray(nextProps.markers)) {\n this.handleMarkers(nextProps.markers);\n }\n // this doesn't look like it works at all....\n if (!isEqual(nextProps.scrollMargin, oldProps.scrollMargin)) {\n this.handleScrollMargins(nextProps.scrollMargin);\n }\n if (prevProps.height !== this.props.height ||\n prevProps.width !== this.props.width) {\n this.editor.resize();\n }\n if (this.props.focus && !prevProps.focus) {\n this.editor.focus();\n }\n };\n ReactAce.prototype.handleScrollMargins = function (margins) {\n if (margins === void 0) { margins = [0, 0, 0, 0]; }\n this.editor.renderer.setScrollMargins(margins[0], margins[1], margins[2], margins[3]);\n };\n ReactAce.prototype.componentWillUnmount = function () {\n this.editor.destroy();\n this.editor = null;\n };\n ReactAce.prototype.onChange = function (event) {\n if (this.props.onChange && !this.silent) {\n var value = this.editor.getValue();\n this.props.onChange(value, event);\n }\n };\n ReactAce.prototype.onSelectionChange = function (event) {\n if (this.props.onSelectionChange) {\n var value = this.editor.getSelection();\n this.props.onSelectionChange(value, event);\n }\n };\n ReactAce.prototype.onCursorChange = function (event) {\n if (this.props.onCursorChange) {\n var value = this.editor.getSelection();\n this.props.onCursorChange(value, event);\n }\n };\n ReactAce.prototype.onInput = function (event) {\n if (this.props.onInput) {\n this.props.onInput(event);\n }\n if (this.props.placeholder) {\n this.updatePlaceholder();\n }\n };\n ReactAce.prototype.onFocus = function (event) {\n if (this.props.onFocus) {\n this.props.onFocus(event, this.editor);\n }\n };\n ReactAce.prototype.onBlur = function (event) {\n if (this.props.onBlur) {\n this.props.onBlur(event, this.editor);\n }\n };\n ReactAce.prototype.onCopy = function (text) {\n if (this.props.onCopy) {\n this.props.onCopy(text);\n }\n };\n ReactAce.prototype.onPaste = function (text) {\n if (this.props.onPaste) {\n this.props.onPaste(text);\n }\n };\n ReactAce.prototype.onScroll = function () {\n if (this.props.onScroll) {\n this.props.onScroll(this.editor);\n }\n };\n ReactAce.prototype.handleOptions = function (props) {\n var setOptions = Object.keys(props.setOptions);\n for (var y = 0; y < setOptions.length; y++) {\n this.editor.setOption(setOptions[y], props.setOptions[setOptions[y]]);\n }\n };\n ReactAce.prototype.handleMarkers = function (markers) {\n var _this = this;\n // remove foreground markers\n var currentMarkers = this.editor.getSession().getMarkers(true);\n for (var i in currentMarkers) {\n if (currentMarkers.hasOwnProperty(i)) {\n this.editor.getSession().removeMarker(currentMarkers[i].id);\n }\n }\n // remove background markers except active line marker and selected word marker\n currentMarkers = this.editor.getSession().getMarkers(false);\n for (var i in currentMarkers) {\n if (currentMarkers.hasOwnProperty(i) &&\n currentMarkers[i].clazz !== \"ace_active-line\" &&\n currentMarkers[i].clazz !== \"ace_selected-word\") {\n this.editor.getSession().removeMarker(currentMarkers[i].id);\n }\n }\n // add new markers\n markers.forEach(function (_a) {\n var startRow = _a.startRow, startCol = _a.startCol, endRow = _a.endRow, endCol = _a.endCol, className = _a.className, type = _a.type, _b = _a.inFront, inFront = _b === void 0 ? false : _b;\n var range = new Range(startRow, startCol, endRow, endCol);\n _this.editor.getSession().addMarker(range, className, type, inFront);\n });\n };\n ReactAce.prototype.updatePlaceholder = function () {\n // Adapted from https://stackoverflow.com/questions/26695708/how-can-i-add-placeholder-text-when-the-editor-is-empty\n var editor = this.editor;\n var placeholder = this.props.placeholder;\n var showPlaceholder = !editor.session.getValue().length;\n var node = editor.renderer.placeholderNode;\n if (!showPlaceholder && node) {\n editor.renderer.scroller.removeChild(editor.renderer.placeholderNode);\n editor.renderer.placeholderNode = null;\n }\n else if (showPlaceholder && !node) {\n node = editor.renderer.placeholderNode = document.createElement(\"div\");\n node.textContent = placeholder || \"\";\n node.className = \"ace_comment ace_placeholder\";\n node.style.padding = \"0 9px\";\n node.style.position = \"absolute\";\n node.style.zIndex = \"3\";\n editor.renderer.scroller.appendChild(node);\n }\n else if (showPlaceholder && node) {\n node.textContent = placeholder;\n }\n };\n ReactAce.prototype.updateRef = function (item) {\n this.refEditor = item;\n };\n ReactAce.prototype.render = function () {\n var _a = this.props, name = _a.name, width = _a.width, height = _a.height, style = _a.style;\n var divStyle = __assign({ width: width, height: height }, style);\n return React.createElement(\"div\", { ref: this.updateRef, id: name, style: divStyle });\n };\n ReactAce.propTypes = {\n mode: PropTypes.string,\n focus: PropTypes.bool,\n theme: PropTypes.string,\n name: PropTypes.string,\n className: PropTypes.string,\n height: PropTypes.string,\n width: PropTypes.string,\n fontSize: PropTypes.oneOfType([PropTypes.number, PropTypes.string]),\n showGutter: PropTypes.bool,\n onChange: PropTypes.func,\n onCopy: PropTypes.func,\n onPaste: PropTypes.func,\n onFocus: PropTypes.func,\n onInput: PropTypes.func,\n onBlur: PropTypes.func,\n onScroll: PropTypes.func,\n value: PropTypes.string,\n defaultValue: PropTypes.string,\n onLoad: PropTypes.func,\n onSelectionChange: PropTypes.func,\n onCursorChange: PropTypes.func,\n onBeforeLoad: PropTypes.func,\n onValidate: PropTypes.func,\n minLines: PropTypes.number,\n maxLines: PropTypes.number,\n readOnly: PropTypes.bool,\n highlightActiveLine: PropTypes.bool,\n tabSize: PropTypes.number,\n showPrintMargin: PropTypes.bool,\n cursorStart: PropTypes.number,\n debounceChangePeriod: PropTypes.number,\n editorProps: PropTypes.object,\n setOptions: PropTypes.object,\n style: PropTypes.object,\n scrollMargin: PropTypes.array,\n annotations: PropTypes.array,\n markers: PropTypes.array,\n keyboardHandler: PropTypes.string,\n wrapEnabled: PropTypes.bool,\n enableSnippets: PropTypes.bool,\n enableBasicAutocompletion: PropTypes.oneOfType([\n PropTypes.bool,\n PropTypes.array\n ]),\n enableLiveAutocompletion: PropTypes.oneOfType([\n PropTypes.bool,\n PropTypes.array\n ]),\n navigateToFileEnd: PropTypes.bool,\n commands: PropTypes.array,\n placeholder: PropTypes.string\n };\n ReactAce.defaultProps = {\n name: \"ace-editor\",\n focus: false,\n mode: \"\",\n theme: \"\",\n height: \"500px\",\n width: \"500px\",\n value: \"\",\n fontSize: 12,\n enableSnippets: false,\n showGutter: true,\n onChange: null,\n onPaste: null,\n onLoad: null,\n onScroll: null,\n minLines: null,\n maxLines: null,\n readOnly: false,\n highlightActiveLine: true,\n showPrintMargin: true,\n tabSize: 4,\n cursorStart: 1,\n editorProps: {},\n style: {},\n scrollMargin: [0, 0, 0, 0],\n setOptions: {},\n wrapEnabled: false,\n enableBasicAutocompletion: false,\n enableLiveAutocompletion: false,\n placeholder: null,\n navigateToFileEnd: true\n };\n return ReactAce;\n}(React.Component));\nexports.default = ReactAce;\n//# sourceMappingURL=ace.js.map","\"use strict\";\nvar __extends = (this && this.__extends) || (function () {\n var extendStatics = function (d, b) {\n extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\n return extendStatics(d, b);\n };\n return function (d, b) {\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar PropTypes = require(\"prop-types\");\nvar React = require(\"react\");\nvar split_1 = require(\"./split\");\nvar DiffMatchPatch = require(\"diff-match-patch\");\nvar DiffComponent = /** @class */ (function (_super) {\n __extends(DiffComponent, _super);\n function DiffComponent(props) {\n var _this = _super.call(this, props) || this;\n _this.state = {\n value: _this.props.value\n };\n _this.onChange = _this.onChange.bind(_this);\n _this.diff = _this.diff.bind(_this);\n return _this;\n }\n DiffComponent.prototype.componentDidUpdate = function () {\n var value = this.props.value;\n if (value !== this.state.value) {\n this.setState({ value: value });\n }\n };\n DiffComponent.prototype.onChange = function (value) {\n this.setState({\n value: value\n });\n if (this.props.onChange) {\n this.props.onChange(value);\n }\n };\n DiffComponent.prototype.diff = function () {\n var dmp = new DiffMatchPatch();\n var lhString = this.state.value[0];\n var rhString = this.state.value[1];\n if (lhString.length === 0 && rhString.length === 0) {\n return [];\n }\n var diff = dmp.diff_main(lhString, rhString);\n dmp.diff_cleanupSemantic(diff);\n var diffedLines = this.generateDiffedLines(diff);\n var codeEditorSettings = this.setCodeMarkers(diffedLines);\n return codeEditorSettings;\n };\n DiffComponent.prototype.generateDiffedLines = function (diff) {\n var C = {\n DIFF_EQUAL: 0,\n DIFF_DELETE: -1,\n DIFF_INSERT: 1\n };\n var diffedLines = {\n left: [],\n right: []\n };\n var cursor = {\n left: 1,\n right: 1\n };\n diff.forEach(function (chunk) {\n var chunkType = chunk[0];\n var text = chunk[1];\n var lines = text.split(\"\\n\").length - 1;\n // diff-match-patch sometimes returns empty strings at random\n if (text.length === 0) {\n return;\n }\n var firstChar = text[0];\n var lastChar = text[text.length - 1];\n var linesToHighlight = 0;\n switch (chunkType) {\n case C.DIFF_EQUAL:\n cursor.left += lines;\n cursor.right += lines;\n break;\n case C.DIFF_DELETE:\n // If the deletion starts with a newline, push the cursor down to that line\n if (firstChar === \"\\n\") {\n cursor.left++;\n lines--;\n }\n linesToHighlight = lines;\n // If the deletion does not include a newline, highlight the same line on the right\n if (linesToHighlight === 0) {\n diffedLines.right.push({\n startLine: cursor.right,\n endLine: cursor.right\n });\n }\n // If the last character is a newline, we don't want to highlight that line\n if (lastChar === \"\\n\") {\n linesToHighlight -= 1;\n }\n diffedLines.left.push({\n startLine: cursor.left,\n endLine: cursor.left + linesToHighlight\n });\n cursor.left += lines;\n break;\n case C.DIFF_INSERT:\n // If the insertion starts with a newline, push the cursor down to that line\n if (firstChar === \"\\n\") {\n cursor.right++;\n lines--;\n }\n linesToHighlight = lines;\n // If the insertion does not include a newline, highlight the same line on the left\n if (linesToHighlight === 0) {\n diffedLines.left.push({\n startLine: cursor.left,\n endLine: cursor.left\n });\n }\n // If the last character is a newline, we don't want to highlight that line\n if (lastChar === \"\\n\") {\n linesToHighlight -= 1;\n }\n diffedLines.right.push({\n startLine: cursor.right,\n endLine: cursor.right + linesToHighlight\n });\n cursor.right += lines;\n break;\n default:\n throw new Error(\"Diff type was not defined.\");\n }\n });\n return diffedLines;\n };\n // Receives a collection of line numbers and iterates through them to highlight appropriately\n // Returns an object that tells the render() method how to display the code editors\n DiffComponent.prototype.setCodeMarkers = function (diffedLines) {\n if (diffedLines === void 0) { diffedLines = { left: [], right: [] }; }\n var codeEditorSettings = [];\n var newMarkerSet = {\n left: [],\n right: []\n };\n for (var i = 0; i < diffedLines.left.length; i++) {\n var markerObj = {\n startRow: diffedLines.left[i].startLine - 1,\n endRow: diffedLines.left[i].endLine,\n type: \"text\",\n className: \"codeMarker\"\n };\n newMarkerSet.left.push(markerObj);\n }\n for (var i = 0; i < diffedLines.right.length; i++) {\n var markerObj = {\n startRow: diffedLines.right[i].startLine - 1,\n endRow: diffedLines.right[i].endLine,\n type: \"text\",\n className: \"codeMarker\"\n };\n newMarkerSet.right.push(markerObj);\n }\n codeEditorSettings[0] = newMarkerSet.left;\n codeEditorSettings[1] = newMarkerSet.right;\n return codeEditorSettings;\n };\n DiffComponent.prototype.render = function () {\n var markers = this.diff();\n return (React.createElement(split_1.default, { name: this.props.name, className: this.props.className, focus: this.props.focus, orientation: this.props.orientation, splits: this.props.splits, mode: this.props.mode, theme: this.props.theme, height: this.props.height, width: this.props.width, fontSize: this.props.fontSize, showGutter: this.props.showGutter, onChange: this.onChange, onPaste: this.props.onPaste, onLoad: this.props.onLoad, onScroll: this.props.onScroll, minLines: this.props.minLines, maxLines: this.props.maxLines, readOnly: this.props.readOnly, highlightActiveLine: this.props.highlightActiveLine, showPrintMargin: this.props.showPrintMargin, tabSize: this.props.tabSize, cursorStart: this.props.cursorStart, editorProps: this.props.editorProps, style: this.props.style, scrollMargin: this.props.scrollMargin, setOptions: this.props.setOptions, wrapEnabled: this.props.wrapEnabled, enableBasicAutocompletion: this.props.enableBasicAutocompletion, enableLiveAutocompletion: this.props.enableLiveAutocompletion, value: this.state.value, markers: markers }));\n };\n DiffComponent.propTypes = {\n cursorStart: PropTypes.number,\n editorProps: PropTypes.object,\n enableBasicAutocompletion: PropTypes.bool,\n enableLiveAutocompletion: PropTypes.bool,\n focus: PropTypes.bool,\n fontSize: PropTypes.number,\n height: PropTypes.string,\n highlightActiveLine: PropTypes.bool,\n maxLines: PropTypes.number,\n minLines: PropTypes.number,\n mode: PropTypes.string,\n name: PropTypes.string,\n className: PropTypes.string,\n onLoad: PropTypes.func,\n onPaste: PropTypes.func,\n onScroll: PropTypes.func,\n onChange: PropTypes.func,\n orientation: PropTypes.string,\n readOnly: PropTypes.bool,\n scrollMargin: PropTypes.array,\n setOptions: PropTypes.object,\n showGutter: PropTypes.bool,\n showPrintMargin: PropTypes.bool,\n splits: PropTypes.number,\n style: PropTypes.object,\n tabSize: PropTypes.number,\n theme: PropTypes.string,\n value: PropTypes.array,\n width: PropTypes.string,\n wrapEnabled: PropTypes.bool\n };\n DiffComponent.defaultProps = {\n cursorStart: 1,\n editorProps: {},\n enableBasicAutocompletion: false,\n enableLiveAutocompletion: false,\n focus: false,\n fontSize: 12,\n height: \"500px\",\n highlightActiveLine: true,\n maxLines: null,\n minLines: null,\n mode: \"\",\n name: \"ace-editor\",\n onLoad: null,\n onScroll: null,\n onPaste: null,\n onChange: null,\n orientation: \"beside\",\n readOnly: false,\n scrollMargin: [0, 0, 0, 0],\n setOptions: {},\n showGutter: true,\n showPrintMargin: true,\n splits: 2,\n style: {},\n tabSize: 4,\n theme: \"github\",\n value: [\"\", \"\"],\n width: \"500px\",\n wrapEnabled: true\n };\n return DiffComponent;\n}(React.Component));\nexports.default = DiffComponent;\n//# sourceMappingURL=diff.js.map","ace.define(\"ace/split\",[\"require\",\"exports\",\"module\",\"ace/lib/oop\",\"ace/lib/lang\",\"ace/lib/event_emitter\",\"ace/editor\",\"ace/virtual_renderer\",\"ace/edit_session\"], function(require, exports, module) {\n\"use strict\";\n\nvar oop = require(\"./lib/oop\");\nvar lang = require(\"./lib/lang\");\nvar EventEmitter = require(\"./lib/event_emitter\").EventEmitter;\n\nvar Editor = require(\"./editor\").Editor;\nvar Renderer = require(\"./virtual_renderer\").VirtualRenderer;\nvar EditSession = require(\"./edit_session\").EditSession;\n\n\nvar Split = function(container, theme, splits) {\n this.BELOW = 1;\n this.BESIDE = 0;\n\n this.$container = container;\n this.$theme = theme;\n this.$splits = 0;\n this.$editorCSS = \"\";\n this.$editors = [];\n this.$orientation = this.BESIDE;\n\n this.setSplits(splits || 1);\n this.$cEditor = this.$editors[0];\n\n\n this.on(\"focus\", function(editor) {\n this.$cEditor = editor;\n }.bind(this));\n};\n\n(function(){\n\n oop.implement(this, EventEmitter);\n\n this.$createEditor = function() {\n var el = document.createElement(\"div\");\n el.className = this.$editorCSS;\n el.style.cssText = \"position: absolute; top:0px; bottom:0px\";\n this.$container.appendChild(el);\n var editor = new Editor(new Renderer(el, this.$theme));\n\n editor.on(\"focus\", function() {\n this._emit(\"focus\", editor);\n }.bind(this));\n\n this.$editors.push(editor);\n editor.setFontSize(this.$fontSize);\n return editor;\n };\n\n this.setSplits = function(splits) {\n var editor;\n if (splits < 1) {\n throw \"The number of splits have to be > 0!\";\n }\n\n if (splits == this.$splits) {\n return;\n } else if (splits > this.$splits) {\n while (this.$splits < this.$editors.length && this.$splits < splits) {\n editor = this.$editors[this.$splits];\n this.$container.appendChild(editor.container);\n editor.setFontSize(this.$fontSize);\n this.$splits ++;\n }\n while (this.$splits < splits) {\n this.$createEditor();\n this.$splits ++;\n }\n } else {\n while (this.$splits > splits) {\n editor = this.$editors[this.$splits - 1];\n this.$container.removeChild(editor.container);\n this.$splits --;\n }\n }\n this.resize();\n };\n this.getSplits = function() {\n return this.$splits;\n };\n this.getEditor = function(idx) {\n return this.$editors[idx];\n };\n this.getCurrentEditor = function() {\n return this.$cEditor;\n };\n this.focus = function() {\n this.$cEditor.focus();\n };\n this.blur = function() {\n this.$cEditor.blur();\n };\n this.setTheme = function(theme) {\n this.$editors.forEach(function(editor) {\n editor.setTheme(theme);\n });\n };\n this.setKeyboardHandler = function(keybinding) {\n this.$editors.forEach(function(editor) {\n editor.setKeyboardHandler(keybinding);\n });\n };\n this.forEach = function(callback, scope) {\n this.$editors.forEach(callback, scope);\n };\n\n\n this.$fontSize = \"\";\n this.setFontSize = function(size) {\n this.$fontSize = size;\n this.forEach(function(editor) {\n editor.setFontSize(size);\n });\n };\n\n this.$cloneSession = function(session) {\n var s = new EditSession(session.getDocument(), session.getMode());\n\n var undoManager = session.getUndoManager();\n s.setUndoManager(undoManager);\n s.setTabSize(session.getTabSize());\n s.setUseSoftTabs(session.getUseSoftTabs());\n s.setOverwrite(session.getOverwrite());\n s.setBreakpoints(session.getBreakpoints());\n s.setUseWrapMode(session.getUseWrapMode());\n s.setUseWorker(session.getUseWorker());\n s.setWrapLimitRange(session.$wrapLimitRange.min,\n session.$wrapLimitRange.max);\n s.$foldData = session.$cloneFoldData();\n\n return s;\n };\n this.setSession = function(session, idx) {\n var editor;\n if (idx == null) {\n editor = this.$cEditor;\n } else {\n editor = this.$editors[idx];\n }\n var isUsed = this.$editors.some(function(editor) {\n return editor.session === session;\n });\n\n if (isUsed) {\n session = this.$cloneSession(session);\n }\n editor.setSession(session);\n return session;\n };\n this.getOrientation = function() {\n return this.$orientation;\n };\n this.setOrientation = function(orientation) {\n if (this.$orientation == orientation) {\n return;\n }\n this.$orientation = orientation;\n this.resize();\n };\n this.resize = function() {\n var width = this.$container.clientWidth;\n var height = this.$container.clientHeight;\n var editor;\n\n if (this.$orientation == this.BESIDE) {\n var editorWidth = width / this.$splits;\n for (var i = 0; i < this.$splits; i++) {\n editor = this.$editors[i];\n editor.container.style.width = editorWidth + \"px\";\n editor.container.style.top = \"0px\";\n editor.container.style.left = i * editorWidth + \"px\";\n editor.container.style.height = height + \"px\";\n editor.resize();\n }\n } else {\n var editorHeight = height / this.$splits;\n for (var i = 0; i < this.$splits; i++) {\n editor = this.$editors[i];\n editor.container.style.width = width + \"px\";\n editor.container.style.top = i * editorHeight + \"px\";\n editor.container.style.left = \"0px\";\n editor.container.style.height = editorHeight + \"px\";\n editor.resize();\n }\n }\n };\n\n}).call(Split.prototype);\n\nexports.Split = Split;\n});\n\nace.define(\"ace/ext/split\",[\"require\",\"exports\",\"module\",\"ace/split\"], function(require, exports, module) {\n\"use strict\";\nmodule.exports = require(\"../split\");\n\n}); (function() {\n ace.require([\"ace/ext/split\"], function(m) {\n if (typeof module == \"object\" && typeof exports == \"object\" && module) {\n module.exports = m;\n }\n });\n })();\n ","/**\n * lodash (Custom Build) \n * Build: `lodash modularize exports=\"npm\" -o ./`\n * Copyright jQuery Foundation and other contributors \n * Released under MIT license \n * Based on Underscore.js 1.8.3 \n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n\n/** Used as the `TypeError` message for \"Functions\" methods. */\nvar FUNC_ERROR_TEXT = 'Expected a function';\n\n/** Used to stand-in for `undefined` hash values. */\nvar HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n/** Used as references for various `Number` constants. */\nvar INFINITY = 1 / 0;\n\n/** `Object#toString` result references. */\nvar funcTag = '[object Function]',\n genTag = '[object GeneratorFunction]',\n symbolTag = '[object Symbol]';\n\n/** Used to match property names within property paths. */\nvar reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n reIsPlainProp = /^\\w*$/,\n reLeadingDot = /^\\./,\n rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n/**\n * Used to match `RegExp`\n * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n */\nvar reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g;\n\n/** Used to match backslashes in property paths. */\nvar reEscapeChar = /\\\\(\\\\)?/g;\n\n/** Used to detect host constructors (Safari). */\nvar reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n/** Detect free variable `global` from Node.js. */\nvar freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\n/** Detect free variable `self`. */\nvar freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n/** Used as a reference to the global object. */\nvar root = freeGlobal || freeSelf || Function('return this')();\n\n/**\n * Gets the value at `key` of `object`.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\nfunction getValue(object, key) {\n return object == null ? undefined : object[key];\n}\n\n/**\n * Checks if `value` is a host object in IE < 9.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a host object, else `false`.\n */\nfunction isHostObject(value) {\n // Many host objects are `Object` objects that can coerce to strings\n // despite having improperly defined `toString` methods.\n var result = false;\n if (value != null && typeof value.toString != 'function') {\n try {\n result = !!(value + '');\n } catch (e) {}\n }\n return result;\n}\n\n/** Used for built-in method references. */\nvar arrayProto = Array.prototype,\n funcProto = Function.prototype,\n objectProto = Object.prototype;\n\n/** Used to detect overreaching core-js shims. */\nvar coreJsData = root['__core-js_shared__'];\n\n/** Used to detect methods masquerading as native. */\nvar maskSrcKey = (function() {\n var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n return uid ? ('Symbol(src)_1.' + uid) : '';\n}());\n\n/** Used to resolve the decompiled source of functions. */\nvar funcToString = funcProto.toString;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar objectToString = objectProto.toString;\n\n/** Used to detect if a method is native. */\nvar reIsNative = RegExp('^' +\n funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n);\n\n/** Built-in value references. */\nvar Symbol = root.Symbol,\n splice = arrayProto.splice;\n\n/* Built-in method references that are verified to be native. */\nvar Map = getNative(root, 'Map'),\n nativeCreate = getNative(Object, 'create');\n\n/** Used to convert symbols to primitives and strings. */\nvar symbolProto = Symbol ? Symbol.prototype : undefined,\n symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n/**\n * Creates a hash object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction Hash(entries) {\n var index = -1,\n length = entries ? entries.length : 0;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n}\n\n/**\n * Removes all key-value entries from the hash.\n *\n * @private\n * @name clear\n * @memberOf Hash\n */\nfunction hashClear() {\n this.__data__ = nativeCreate ? nativeCreate(null) : {};\n}\n\n/**\n * Removes `key` and its value from the hash.\n *\n * @private\n * @name delete\n * @memberOf Hash\n * @param {Object} hash The hash to modify.\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction hashDelete(key) {\n return this.has(key) && delete this.__data__[key];\n}\n\n/**\n * Gets the hash value for `key`.\n *\n * @private\n * @name get\n * @memberOf Hash\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction hashGet(key) {\n var data = this.__data__;\n if (nativeCreate) {\n var result = data[key];\n return result === HASH_UNDEFINED ? undefined : result;\n }\n return hasOwnProperty.call(data, key) ? data[key] : undefined;\n}\n\n/**\n * Checks if a hash value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Hash\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction hashHas(key) {\n var data = this.__data__;\n return nativeCreate ? data[key] !== undefined : hasOwnProperty.call(data, key);\n}\n\n/**\n * Sets the hash `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Hash\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the hash instance.\n */\nfunction hashSet(key, value) {\n var data = this.__data__;\n data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n return this;\n}\n\n// Add methods to `Hash`.\nHash.prototype.clear = hashClear;\nHash.prototype['delete'] = hashDelete;\nHash.prototype.get = hashGet;\nHash.prototype.has = hashHas;\nHash.prototype.set = hashSet;\n\n/**\n * Creates an list cache object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction ListCache(entries) {\n var index = -1,\n length = entries ? entries.length : 0;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n}\n\n/**\n * Removes all key-value entries from the list cache.\n *\n * @private\n * @name clear\n * @memberOf ListCache\n */\nfunction listCacheClear() {\n this.__data__ = [];\n}\n\n/**\n * Removes `key` and its value from the list cache.\n *\n * @private\n * @name delete\n * @memberOf ListCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction listCacheDelete(key) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n if (index < 0) {\n return false;\n }\n var lastIndex = data.length - 1;\n if (index == lastIndex) {\n data.pop();\n } else {\n splice.call(data, index, 1);\n }\n return true;\n}\n\n/**\n * Gets the list cache value for `key`.\n *\n * @private\n * @name get\n * @memberOf ListCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction listCacheGet(key) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n return index < 0 ? undefined : data[index][1];\n}\n\n/**\n * Checks if a list cache value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf ListCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction listCacheHas(key) {\n return assocIndexOf(this.__data__, key) > -1;\n}\n\n/**\n * Sets the list cache `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf ListCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the list cache instance.\n */\nfunction listCacheSet(key, value) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n if (index < 0) {\n data.push([key, value]);\n } else {\n data[index][1] = value;\n }\n return this;\n}\n\n// Add methods to `ListCache`.\nListCache.prototype.clear = listCacheClear;\nListCache.prototype['delete'] = listCacheDelete;\nListCache.prototype.get = listCacheGet;\nListCache.prototype.has = listCacheHas;\nListCache.prototype.set = listCacheSet;\n\n/**\n * Creates a map cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction MapCache(entries) {\n var index = -1,\n length = entries ? entries.length : 0;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n}\n\n/**\n * Removes all key-value entries from the map.\n *\n * @private\n * @name clear\n * @memberOf MapCache\n */\nfunction mapCacheClear() {\n this.__data__ = {\n 'hash': new Hash,\n 'map': new (Map || ListCache),\n 'string': new Hash\n };\n}\n\n/**\n * Removes `key` and its value from the map.\n *\n * @private\n * @name delete\n * @memberOf MapCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction mapCacheDelete(key) {\n return getMapData(this, key)['delete'](key);\n}\n\n/**\n * Gets the map value for `key`.\n *\n * @private\n * @name get\n * @memberOf MapCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction mapCacheGet(key) {\n return getMapData(this, key).get(key);\n}\n\n/**\n * Checks if a map value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf MapCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction mapCacheHas(key) {\n return getMapData(this, key).has(key);\n}\n\n/**\n * Sets the map `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf MapCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the map cache instance.\n */\nfunction mapCacheSet(key, value) {\n getMapData(this, key).set(key, value);\n return this;\n}\n\n// Add methods to `MapCache`.\nMapCache.prototype.clear = mapCacheClear;\nMapCache.prototype['delete'] = mapCacheDelete;\nMapCache.prototype.get = mapCacheGet;\nMapCache.prototype.has = mapCacheHas;\nMapCache.prototype.set = mapCacheSet;\n\n/**\n * Gets the index at which the `key` is found in `array` of key-value pairs.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} key The key to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\nfunction assocIndexOf(array, key) {\n var length = array.length;\n while (length--) {\n if (eq(array[length][0], key)) {\n return length;\n }\n }\n return -1;\n}\n\n/**\n * The base implementation of `_.get` without support for default values.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @returns {*} Returns the resolved value.\n */\nfunction baseGet(object, path) {\n path = isKey(path, object) ? [path] : castPath(path);\n\n var index = 0,\n length = path.length;\n\n while (object != null && index < length) {\n object = object[toKey(path[index++])];\n }\n return (index && index == length) ? object : undefined;\n}\n\n/**\n * The base implementation of `_.isNative` without bad shim checks.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n * else `false`.\n */\nfunction baseIsNative(value) {\n if (!isObject(value) || isMasked(value)) {\n return false;\n }\n var pattern = (isFunction(value) || isHostObject(value)) ? reIsNative : reIsHostCtor;\n return pattern.test(toSource(value));\n}\n\n/**\n * The base implementation of `_.toString` which doesn't convert nullish\n * values to empty strings.\n *\n * @private\n * @param {*} value The value to process.\n * @returns {string} Returns the string.\n */\nfunction baseToString(value) {\n // Exit early for strings to avoid a performance hit in some environments.\n if (typeof value == 'string') {\n return value;\n }\n if (isSymbol(value)) {\n return symbolToString ? symbolToString.call(value) : '';\n }\n var result = (value + '');\n return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n}\n\n/**\n * Casts `value` to a path array if it's not one.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {Array} Returns the cast property path array.\n */\nfunction castPath(value) {\n return isArray(value) ? value : stringToPath(value);\n}\n\n/**\n * Gets the data for `map`.\n *\n * @private\n * @param {Object} map The map to query.\n * @param {string} key The reference key.\n * @returns {*} Returns the map data.\n */\nfunction getMapData(map, key) {\n var data = map.__data__;\n return isKeyable(key)\n ? data[typeof key == 'string' ? 'string' : 'hash']\n : data.map;\n}\n\n/**\n * Gets the native function at `key` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the method to get.\n * @returns {*} Returns the function if it's native, else `undefined`.\n */\nfunction getNative(object, key) {\n var value = getValue(object, key);\n return baseIsNative(value) ? value : undefined;\n}\n\n/**\n * Checks if `value` is a property name and not a property path.\n *\n * @private\n * @param {*} value The value to check.\n * @param {Object} [object] The object to query keys on.\n * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n */\nfunction isKey(value, object) {\n if (isArray(value)) {\n return false;\n }\n var type = typeof value;\n if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n value == null || isSymbol(value)) {\n return true;\n }\n return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n (object != null && value in Object(object));\n}\n\n/**\n * Checks if `value` is suitable for use as unique object key.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n */\nfunction isKeyable(value) {\n var type = typeof value;\n return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n ? (value !== '__proto__')\n : (value === null);\n}\n\n/**\n * Checks if `func` has its source masked.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n */\nfunction isMasked(func) {\n return !!maskSrcKey && (maskSrcKey in func);\n}\n\n/**\n * Converts `string` to a property path array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the property path array.\n */\nvar stringToPath = memoize(function(string) {\n string = toString(string);\n\n var result = [];\n if (reLeadingDot.test(string)) {\n result.push('');\n }\n string.replace(rePropName, function(match, number, quote, string) {\n result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));\n });\n return result;\n});\n\n/**\n * Converts `value` to a string key if it's not a string or symbol.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {string|symbol} Returns the key.\n */\nfunction toKey(value) {\n if (typeof value == 'string' || isSymbol(value)) {\n return value;\n }\n var result = (value + '');\n return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n}\n\n/**\n * Converts `func` to its source code.\n *\n * @private\n * @param {Function} func The function to process.\n * @returns {string} Returns the source code.\n */\nfunction toSource(func) {\n if (func != null) {\n try {\n return funcToString.call(func);\n } catch (e) {}\n try {\n return (func + '');\n } catch (e) {}\n }\n return '';\n}\n\n/**\n * Creates a function that memoizes the result of `func`. If `resolver` is\n * provided, it determines the cache key for storing the result based on the\n * arguments provided to the memoized function. By default, the first argument\n * provided to the memoized function is used as the map cache key. The `func`\n * is invoked with the `this` binding of the memoized function.\n *\n * **Note:** The cache is exposed as the `cache` property on the memoized\n * function. Its creation may be customized by replacing the `_.memoize.Cache`\n * constructor with one whose instances implement the\n * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n * method interface of `delete`, `get`, `has`, and `set`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to have its output memoized.\n * @param {Function} [resolver] The function to resolve the cache key.\n * @returns {Function} Returns the new memoized function.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n * var other = { 'c': 3, 'd': 4 };\n *\n * var values = _.memoize(_.values);\n * values(object);\n * // => [1, 2]\n *\n * values(other);\n * // => [3, 4]\n *\n * object.a = 2;\n * values(object);\n * // => [1, 2]\n *\n * // Modify the result cache.\n * values.cache.set(object, ['a', 'b']);\n * values(object);\n * // => ['a', 'b']\n *\n * // Replace `_.memoize.Cache`.\n * _.memoize.Cache = WeakMap;\n */\nfunction memoize(func, resolver) {\n if (typeof func != 'function' || (resolver && typeof resolver != 'function')) {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n var memoized = function() {\n var args = arguments,\n key = resolver ? resolver.apply(this, args) : args[0],\n cache = memoized.cache;\n\n if (cache.has(key)) {\n return cache.get(key);\n }\n var result = func.apply(this, args);\n memoized.cache = cache.set(key, result);\n return result;\n };\n memoized.cache = new (memoize.Cache || MapCache);\n return memoized;\n}\n\n// Assign cache to `_.memoize`.\nmemoize.Cache = MapCache;\n\n/**\n * Performs a\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * comparison between two values to determine if they are equivalent.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.eq(object, object);\n * // => true\n *\n * _.eq(object, other);\n * // => false\n *\n * _.eq('a', 'a');\n * // => true\n *\n * _.eq('a', Object('a'));\n * // => false\n *\n * _.eq(NaN, NaN);\n * // => true\n */\nfunction eq(value, other) {\n return value === other || (value !== value && other !== other);\n}\n\n/**\n * Checks if `value` is classified as an `Array` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n * @example\n *\n * _.isArray([1, 2, 3]);\n * // => true\n *\n * _.isArray(document.body.children);\n * // => false\n *\n * _.isArray('abc');\n * // => false\n *\n * _.isArray(_.noop);\n * // => false\n */\nvar isArray = Array.isArray;\n\n/**\n * Checks if `value` is classified as a `Function` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n * @example\n *\n * _.isFunction(_);\n * // => true\n *\n * _.isFunction(/abc/);\n * // => false\n */\nfunction isFunction(value) {\n // The use of `Object#toString` avoids issues with the `typeof` operator\n // in Safari 8-9 which returns 'object' for typed array and other constructors.\n var tag = isObject(value) ? objectToString.call(value) : '';\n return tag == funcTag || tag == genTag;\n}\n\n/**\n * Checks if `value` is the\n * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n * @example\n *\n * _.isObject({});\n * // => true\n *\n * _.isObject([1, 2, 3]);\n * // => true\n *\n * _.isObject(_.noop);\n * // => true\n *\n * _.isObject(null);\n * // => false\n */\nfunction isObject(value) {\n var type = typeof value;\n return !!value && (type == 'object' || type == 'function');\n}\n\n/**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\nfunction isObjectLike(value) {\n return !!value && typeof value == 'object';\n}\n\n/**\n * Checks if `value` is classified as a `Symbol` primitive or object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n * @example\n *\n * _.isSymbol(Symbol.iterator);\n * // => true\n *\n * _.isSymbol('abc');\n * // => false\n */\nfunction isSymbol(value) {\n return typeof value == 'symbol' ||\n (isObjectLike(value) && objectToString.call(value) == symbolTag);\n}\n\n/**\n * Converts `value` to a string. An empty string is returned for `null`\n * and `undefined` values. The sign of `-0` is preserved.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to process.\n * @returns {string} Returns the string.\n * @example\n *\n * _.toString(null);\n * // => ''\n *\n * _.toString(-0);\n * // => '-0'\n *\n * _.toString([1, 2, 3]);\n * // => '1,2,3'\n */\nfunction toString(value) {\n return value == null ? '' : baseToString(value);\n}\n\n/**\n * Gets the value at `path` of `object`. If the resolved value is\n * `undefined`, the `defaultValue` is returned in its place.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.get(object, 'a[0].b.c');\n * // => 3\n *\n * _.get(object, ['a', '0', 'b', 'c']);\n * // => 3\n *\n * _.get(object, 'a.b.c', 'default');\n * // => 'default'\n */\nfunction get(object, path, defaultValue) {\n var result = object == null ? undefined : baseGet(object, path);\n return result === undefined ? defaultValue : result;\n}\n\nmodule.exports = get;\n","/**\n * Diff Match and Patch\n * Copyright 2018 The diff-match-patch Authors.\n * https://github.com/google/diff-match-patch\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n/**\n * @fileoverview Computes the difference between two texts to create a patch.\n * Applies the patch onto another text, allowing for errors.\n * @author fraser@google.com (Neil Fraser)\n */\n\n/**\n * Class containing the diff, match and patch methods.\n * @constructor\n */\nvar diff_match_patch = function() {\n\n // Defaults.\n // Redefine these in your program to override the defaults.\n\n // Number of seconds to map a diff before giving up (0 for infinity).\n this.Diff_Timeout = 1.0;\n // Cost of an empty edit operation in terms of edit characters.\n this.Diff_EditCost = 4;\n // At what point is no match declared (0.0 = perfection, 1.0 = very loose).\n this.Match_Threshold = 0.5;\n // How far to search for a match (0 = exact location, 1000+ = broad match).\n // A match this many characters away from the expected location will add\n // 1.0 to the score (0.0 is a perfect match).\n this.Match_Distance = 1000;\n // When deleting a large block of text (over ~64 characters), how close do\n // the contents have to be to match the expected contents. (0.0 = perfection,\n // 1.0 = very loose). Note that Match_Threshold controls how closely the\n // end points of a delete need to match.\n this.Patch_DeleteThreshold = 0.5;\n // Chunk size for context length.\n this.Patch_Margin = 4;\n\n // The number of bits in an int.\n this.Match_MaxBits = 32;\n};\n\n\n// DIFF FUNCTIONS\n\n\n/**\n * The data structure representing a diff is an array of tuples:\n * [[DIFF_DELETE, 'Hello'], [DIFF_INSERT, 'Goodbye'], [DIFF_EQUAL, ' world.']]\n * which means: delete 'Hello', add 'Goodbye' and keep ' world.'\n */\nvar DIFF_DELETE = -1;\nvar DIFF_INSERT = 1;\nvar DIFF_EQUAL = 0;\n\n/**\n * Class representing one diff tuple.\n * ~Attempts to look like a two-element array (which is what this used to be).~\n * Constructor returns an actual two-element array, to allow destructing @JackuB\n * See https://github.com/JackuB/diff-match-patch/issues/14 for details\n * @param {number} op Operation, one of: DIFF_DELETE, DIFF_INSERT, DIFF_EQUAL.\n * @param {string} text Text to be deleted, inserted, or retained.\n * @constructor\n */\ndiff_match_patch.Diff = function(op, text) {\n return [op, text];\n};\n\n/**\n * Find the differences between two texts. Simplifies the problem by stripping\n * any common prefix or suffix off the texts before diffing.\n * @param {string} text1 Old string to be diffed.\n * @param {string} text2 New string to be diffed.\n * @param {boolean=} opt_checklines Optional speedup flag. If present and false,\n * then don't run a line-level diff first to identify the changed areas.\n * Defaults to true, which does a faster, slightly less optimal diff.\n * @param {number=} opt_deadline Optional time when the diff should be complete\n * by. Used internally for recursive calls. Users should set DiffTimeout\n * instead.\n * @return {!Array.} Array of diff tuples.\n */\ndiff_match_patch.prototype.diff_main = function(text1, text2, opt_checklines,\n opt_deadline) {\n // Set a deadline by which time the diff must be complete.\n if (typeof opt_deadline == 'undefined') {\n if (this.Diff_Timeout <= 0) {\n opt_deadline = Number.MAX_VALUE;\n } else {\n opt_deadline = (new Date).getTime() + this.Diff_Timeout * 1000;\n }\n }\n var deadline = opt_deadline;\n\n // Check for null inputs.\n if (text1 == null || text2 == null) {\n throw new Error('Null input. (diff_main)');\n }\n\n // Check for equality (speedup).\n if (text1 == text2) {\n if (text1) {\n return [new diff_match_patch.Diff(DIFF_EQUAL, text1)];\n }\n return [];\n }\n\n if (typeof opt_checklines == 'undefined') {\n opt_checklines = true;\n }\n var checklines = opt_checklines;\n\n // Trim off common prefix (speedup).\n var commonlength = this.diff_commonPrefix(text1, text2);\n var commonprefix = text1.substring(0, commonlength);\n text1 = text1.substring(commonlength);\n text2 = text2.substring(commonlength);\n\n // Trim off common suffix (speedup).\n commonlength = this.diff_commonSuffix(text1, text2);\n var commonsuffix = text1.substring(text1.length - commonlength);\n text1 = text1.substring(0, text1.length - commonlength);\n text2 = text2.substring(0, text2.length - commonlength);\n\n // Compute the diff on the middle block.\n var diffs = this.diff_compute_(text1, text2, checklines, deadline);\n\n // Restore the prefix and suffix.\n if (commonprefix) {\n diffs.unshift(new diff_match_patch.Diff(DIFF_EQUAL, commonprefix));\n }\n if (commonsuffix) {\n diffs.push(new diff_match_patch.Diff(DIFF_EQUAL, commonsuffix));\n }\n this.diff_cleanupMerge(diffs);\n return diffs;\n};\n\n\n/**\n * Find the differences between two texts. Assumes that the texts do not\n * have any common prefix or suffix.\n * @param {string} text1 Old string to be diffed.\n * @param {string} text2 New string to be diffed.\n * @param {boolean} checklines Speedup flag. If false, then don't run a\n * line-level diff first to identify the changed areas.\n * If true, then run a faster, slightly less optimal diff.\n * @param {number} deadline Time when the diff should be complete by.\n * @return {!Array.} Array of diff tuples.\n * @private\n */\ndiff_match_patch.prototype.diff_compute_ = function(text1, text2, checklines,\n deadline) {\n var diffs;\n\n if (!text1) {\n // Just add some text (speedup).\n return [new diff_match_patch.Diff(DIFF_INSERT, text2)];\n }\n\n if (!text2) {\n // Just delete some text (speedup).\n return [new diff_match_patch.Diff(DIFF_DELETE, text1)];\n }\n\n var longtext = text1.length > text2.length ? text1 : text2;\n var shorttext = text1.length > text2.length ? text2 : text1;\n var i = longtext.indexOf(shorttext);\n if (i != -1) {\n // Shorter text is inside the longer text (speedup).\n diffs = [new diff_match_patch.Diff(DIFF_INSERT, longtext.substring(0, i)),\n new diff_match_patch.Diff(DIFF_EQUAL, shorttext),\n new diff_match_patch.Diff(DIFF_INSERT,\n longtext.substring(i + shorttext.length))];\n // Swap insertions for deletions if diff is reversed.\n if (text1.length > text2.length) {\n diffs[0][0] = diffs[2][0] = DIFF_DELETE;\n }\n return diffs;\n }\n\n if (shorttext.length == 1) {\n // Single character string.\n // After the previous speedup, the character can't be an equality.\n return [new diff_match_patch.Diff(DIFF_DELETE, text1),\n new diff_match_patch.Diff(DIFF_INSERT, text2)];\n }\n\n // Check to see if the problem can be split in two.\n var hm = this.diff_halfMatch_(text1, text2);\n if (hm) {\n // A half-match was found, sort out the return data.\n var text1_a = hm[0];\n var text1_b = hm[1];\n var text2_a = hm[2];\n var text2_b = hm[3];\n var mid_common = hm[4];\n // Send both pairs off for separate processing.\n var diffs_a = this.diff_main(text1_a, text2_a, checklines, deadline);\n var diffs_b = this.diff_main(text1_b, text2_b, checklines, deadline);\n // Merge the results.\n return diffs_a.concat([new diff_match_patch.Diff(DIFF_EQUAL, mid_common)],\n diffs_b);\n }\n\n if (checklines && text1.length > 100 && text2.length > 100) {\n return this.diff_lineMode_(text1, text2, deadline);\n }\n\n return this.diff_bisect_(text1, text2, deadline);\n};\n\n\n/**\n * Do a quick line-level diff on both strings, then rediff the parts for\n * greater accuracy.\n * This speedup can produce non-minimal diffs.\n * @param {string} text1 Old string to be diffed.\n * @param {string} text2 New string to be diffed.\n * @param {number} deadline Time when the diff should be complete by.\n * @return {!Array.} Array of diff tuples.\n * @private\n */\ndiff_match_patch.prototype.diff_lineMode_ = function(text1, text2, deadline) {\n // Scan the text on a line-by-line basis first.\n var a = this.diff_linesToChars_(text1, text2);\n text1 = a.chars1;\n text2 = a.chars2;\n var linearray = a.lineArray;\n\n var diffs = this.diff_main(text1, text2, false, deadline);\n\n // Convert the diff back to original text.\n this.diff_charsToLines_(diffs, linearray);\n // Eliminate freak matches (e.g. blank lines)\n this.diff_cleanupSemantic(diffs);\n\n // Rediff any replacement blocks, this time character-by-character.\n // Add a dummy entry at the end.\n diffs.push(new diff_match_patch.Diff(DIFF_EQUAL, ''));\n var pointer = 0;\n var count_delete = 0;\n var count_insert = 0;\n var text_delete = '';\n var text_insert = '';\n while (pointer < diffs.length) {\n switch (diffs[pointer][0]) {\n case DIFF_INSERT:\n count_insert++;\n text_insert += diffs[pointer][1];\n break;\n case DIFF_DELETE:\n count_delete++;\n text_delete += diffs[pointer][1];\n break;\n case DIFF_EQUAL:\n // Upon reaching an equality, check for prior redundancies.\n if (count_delete >= 1 && count_insert >= 1) {\n // Delete the offending records and add the merged ones.\n diffs.splice(pointer - count_delete - count_insert,\n count_delete + count_insert);\n pointer = pointer - count_delete - count_insert;\n var subDiff =\n this.diff_main(text_delete, text_insert, false, deadline);\n for (var j = subDiff.length - 1; j >= 0; j--) {\n diffs.splice(pointer, 0, subDiff[j]);\n }\n pointer = pointer + subDiff.length;\n }\n count_insert = 0;\n count_delete = 0;\n text_delete = '';\n text_insert = '';\n break;\n }\n pointer++;\n }\n diffs.pop(); // Remove the dummy entry at the end.\n\n return diffs;\n};\n\n\n/**\n * Find the 'middle snake' of a diff, split the problem in two\n * and return the recursively constructed diff.\n * See Myers 1986 paper: An O(ND) Difference Algorithm and Its Variations.\n * @param {string} text1 Old string to be diffed.\n * @param {string} text2 New string to be diffed.\n * @param {number} deadline Time at which to bail if not yet complete.\n * @return {!Array.} Array of diff tuples.\n * @private\n */\ndiff_match_patch.prototype.diff_bisect_ = function(text1, text2, deadline) {\n // Cache the text lengths to prevent multiple calls.\n var text1_length = text1.length;\n var text2_length = text2.length;\n var max_d = Math.ceil((text1_length + text2_length) / 2);\n var v_offset = max_d;\n var v_length = 2 * max_d;\n var v1 = new Array(v_length);\n var v2 = new Array(v_length);\n // Setting all elements to -1 is faster in Chrome & Firefox than mixing\n // integers and undefined.\n for (var x = 0; x < v_length; x++) {\n v1[x] = -1;\n v2[x] = -1;\n }\n v1[v_offset + 1] = 0;\n v2[v_offset + 1] = 0;\n var delta = text1_length - text2_length;\n // If the total number of characters is odd, then the front path will collide\n // with the reverse path.\n var front = (delta % 2 != 0);\n // Offsets for start and end of k loop.\n // Prevents mapping of space beyond the grid.\n var k1start = 0;\n var k1end = 0;\n var k2start = 0;\n var k2end = 0;\n for (var d = 0; d < max_d; d++) {\n // Bail out if deadline is reached.\n if ((new Date()).getTime() > deadline) {\n break;\n }\n\n // Walk the front path one step.\n for (var k1 = -d + k1start; k1 <= d - k1end; k1 += 2) {\n var k1_offset = v_offset + k1;\n var x1;\n if (k1 == -d || (k1 != d && v1[k1_offset - 1] < v1[k1_offset + 1])) {\n x1 = v1[k1_offset + 1];\n } else {\n x1 = v1[k1_offset - 1] + 1;\n }\n var y1 = x1 - k1;\n while (x1 < text1_length && y1 < text2_length &&\n text1.charAt(x1) == text2.charAt(y1)) {\n x1++;\n y1++;\n }\n v1[k1_offset] = x1;\n if (x1 > text1_length) {\n // Ran off the right of the graph.\n k1end += 2;\n } else if (y1 > text2_length) {\n // Ran off the bottom of the graph.\n k1start += 2;\n } else if (front) {\n var k2_offset = v_offset + delta - k1;\n if (k2_offset >= 0 && k2_offset < v_length && v2[k2_offset] != -1) {\n // Mirror x2 onto top-left coordinate system.\n var x2 = text1_length - v2[k2_offset];\n if (x1 >= x2) {\n // Overlap detected.\n return this.diff_bisectSplit_(text1, text2, x1, y1, deadline);\n }\n }\n }\n }\n\n // Walk the reverse path one step.\n for (var k2 = -d + k2start; k2 <= d - k2end; k2 += 2) {\n var k2_offset = v_offset + k2;\n var x2;\n if (k2 == -d || (k2 != d && v2[k2_offset - 1] < v2[k2_offset + 1])) {\n x2 = v2[k2_offset + 1];\n } else {\n x2 = v2[k2_offset - 1] + 1;\n }\n var y2 = x2 - k2;\n while (x2 < text1_length && y2 < text2_length &&\n text1.charAt(text1_length - x2 - 1) ==\n text2.charAt(text2_length - y2 - 1)) {\n x2++;\n y2++;\n }\n v2[k2_offset] = x2;\n if (x2 > text1_length) {\n // Ran off the left of the graph.\n k2end += 2;\n } else if (y2 > text2_length) {\n // Ran off the top of the graph.\n k2start += 2;\n } else if (!front) {\n var k1_offset = v_offset + delta - k2;\n if (k1_offset >= 0 && k1_offset < v_length && v1[k1_offset] != -1) {\n var x1 = v1[k1_offset];\n var y1 = v_offset + x1 - k1_offset;\n // Mirror x2 onto top-left coordinate system.\n x2 = text1_length - x2;\n if (x1 >= x2) {\n // Overlap detected.\n return this.diff_bisectSplit_(text1, text2, x1, y1, deadline);\n }\n }\n }\n }\n }\n // Diff took too long and hit the deadline or\n // number of diffs equals number of characters, no commonality at all.\n return [new diff_match_patch.Diff(DIFF_DELETE, text1),\n new diff_match_patch.Diff(DIFF_INSERT, text2)];\n};\n\n\n/**\n * Given the location of the 'middle snake', split the diff in two parts\n * and recurse.\n * @param {string} text1 Old string to be diffed.\n * @param {string} text2 New string to be diffed.\n * @param {number} x Index of split point in text1.\n * @param {number} y Index of split point in text2.\n * @param {number} deadline Time at which to bail if not yet complete.\n * @return {!Array.} Array of diff tuples.\n * @private\n */\ndiff_match_patch.prototype.diff_bisectSplit_ = function(text1, text2, x, y,\n deadline) {\n var text1a = text1.substring(0, x);\n var text2a = text2.substring(0, y);\n var text1b = text1.substring(x);\n var text2b = text2.substring(y);\n\n // Compute both diffs serially.\n var diffs = this.diff_main(text1a, text2a, false, deadline);\n var diffsb = this.diff_main(text1b, text2b, false, deadline);\n\n return diffs.concat(diffsb);\n};\n\n\n/**\n * Split two texts into an array of strings. Reduce the texts to a string of\n * hashes where each Unicode character represents one line.\n * @param {string} text1 First string.\n * @param {string} text2 Second string.\n * @return {{chars1: string, chars2: string, lineArray: !Array.}}\n * An object containing the encoded text1, the encoded text2 and\n * the array of unique strings.\n * The zeroth element of the array of unique strings is intentionally blank.\n * @private\n */\ndiff_match_patch.prototype.diff_linesToChars_ = function(text1, text2) {\n var lineArray = []; // e.g. lineArray[4] == 'Hello\\n'\n var lineHash = {}; // e.g. lineHash['Hello\\n'] == 4\n\n // '\\x00' is a valid character, but various debuggers don't like it.\n // So we'll insert a junk entry to avoid generating a null character.\n lineArray[0] = '';\n\n /**\n * Split a text into an array of strings. Reduce the texts to a string of\n * hashes where each Unicode character represents one line.\n * Modifies linearray and linehash through being a closure.\n * @param {string} text String to encode.\n * @return {string} Encoded string.\n * @private\n */\n function diff_linesToCharsMunge_(text) {\n var chars = '';\n // Walk the text, pulling out a substring for each line.\n // text.split('\\n') would would temporarily double our memory footprint.\n // Modifying text would create many large strings to garbage collect.\n var lineStart = 0;\n var lineEnd = -1;\n // Keeping our own length variable is faster than looking it up.\n var lineArrayLength = lineArray.length;\n while (lineEnd < text.length - 1) {\n lineEnd = text.indexOf('\\n', lineStart);\n if (lineEnd == -1) {\n lineEnd = text.length - 1;\n }\n var line = text.substring(lineStart, lineEnd + 1);\n\n if (lineHash.hasOwnProperty ? lineHash.hasOwnProperty(line) :\n (lineHash[line] !== undefined)) {\n chars += String.fromCharCode(lineHash[line]);\n } else {\n if (lineArrayLength == maxLines) {\n // Bail out at 65535 because\n // String.fromCharCode(65536) == String.fromCharCode(0)\n line = text.substring(lineStart);\n lineEnd = text.length;\n }\n chars += String.fromCharCode(lineArrayLength);\n lineHash[line] = lineArrayLength;\n lineArray[lineArrayLength++] = line;\n }\n lineStart = lineEnd + 1;\n }\n return chars;\n }\n // Allocate 2/3rds of the space for text1, the rest for text2.\n var maxLines = 40000;\n var chars1 = diff_linesToCharsMunge_(text1);\n maxLines = 65535;\n var chars2 = diff_linesToCharsMunge_(text2);\n return {chars1: chars1, chars2: chars2, lineArray: lineArray};\n};\n\n\n/**\n * Rehydrate the text in a diff from a string of line hashes to real lines of\n * text.\n * @param {!Array.} diffs Array of diff tuples.\n * @param {!Array.} lineArray Array of unique strings.\n * @private\n */\ndiff_match_patch.prototype.diff_charsToLines_ = function(diffs, lineArray) {\n for (var i = 0; i < diffs.length; i++) {\n var chars = diffs[i][1];\n var text = [];\n for (var j = 0; j < chars.length; j++) {\n text[j] = lineArray[chars.charCodeAt(j)];\n }\n diffs[i][1] = text.join('');\n }\n};\n\n\n/**\n * Determine the common prefix of two strings.\n * @param {string} text1 First string.\n * @param {string} text2 Second string.\n * @return {number} The number of characters common to the start of each\n * string.\n */\ndiff_match_patch.prototype.diff_commonPrefix = function(text1, text2) {\n // Quick check for common null cases.\n if (!text1 || !text2 || text1.charAt(0) != text2.charAt(0)) {\n return 0;\n }\n // Binary search.\n // Performance analysis: https://neil.fraser.name/news/2007/10/09/\n var pointermin = 0;\n var pointermax = Math.min(text1.length, text2.length);\n var pointermid = pointermax;\n var pointerstart = 0;\n while (pointermin < pointermid) {\n if (text1.substring(pointerstart, pointermid) ==\n text2.substring(pointerstart, pointermid)) {\n pointermin = pointermid;\n pointerstart = pointermin;\n } else {\n pointermax = pointermid;\n }\n pointermid = Math.floor((pointermax - pointermin) / 2 + pointermin);\n }\n return pointermid;\n};\n\n\n/**\n * Determine the common suffix of two strings.\n * @param {string} text1 First string.\n * @param {string} text2 Second string.\n * @return {number} The number of characters common to the end of each string.\n */\ndiff_match_patch.prototype.diff_commonSuffix = function(text1, text2) {\n // Quick check for common null cases.\n if (!text1 || !text2 ||\n text1.charAt(text1.length - 1) != text2.charAt(text2.length - 1)) {\n return 0;\n }\n // Binary search.\n // Performance analysis: https://neil.fraser.name/news/2007/10/09/\n var pointermin = 0;\n var pointermax = Math.min(text1.length, text2.length);\n var pointermid = pointermax;\n var pointerend = 0;\n while (pointermin < pointermid) {\n if (text1.substring(text1.length - pointermid, text1.length - pointerend) ==\n text2.substring(text2.length - pointermid, text2.length - pointerend)) {\n pointermin = pointermid;\n pointerend = pointermin;\n } else {\n pointermax = pointermid;\n }\n pointermid = Math.floor((pointermax - pointermin) / 2 + pointermin);\n }\n return pointermid;\n};\n\n\n/**\n * Determine if the suffix of one string is the prefix of another.\n * @param {string} text1 First string.\n * @param {string} text2 Second string.\n * @return {number} The number of characters common to the end of the first\n * string and the start of the second string.\n * @private\n */\ndiff_match_patch.prototype.diff_commonOverlap_ = function(text1, text2) {\n // Cache the text lengths to prevent multiple calls.\n var text1_length = text1.length;\n var text2_length = text2.length;\n // Eliminate the null case.\n if (text1_length == 0 || text2_length == 0) {\n return 0;\n }\n // Truncate the longer string.\n if (text1_length > text2_length) {\n text1 = text1.substring(text1_length - text2_length);\n } else if (text1_length < text2_length) {\n text2 = text2.substring(0, text1_length);\n }\n var text_length = Math.min(text1_length, text2_length);\n // Quick check for the worst case.\n if (text1 == text2) {\n return text_length;\n }\n\n // Start by looking for a single character match\n // and increase length until no match is found.\n // Performance analysis: https://neil.fraser.name/news/2010/11/04/\n var best = 0;\n var length = 1;\n while (true) {\n var pattern = text1.substring(text_length - length);\n var found = text2.indexOf(pattern);\n if (found == -1) {\n return best;\n }\n length += found;\n if (found == 0 || text1.substring(text_length - length) ==\n text2.substring(0, length)) {\n best = length;\n length++;\n }\n }\n};\n\n\n/**\n * Do the two texts share a substring which is at least half the length of the\n * longer text?\n * This speedup can produce non-minimal diffs.\n * @param {string} text1 First string.\n * @param {string} text2 Second string.\n * @return {Array.} Five element Array, containing the prefix of\n * text1, the suffix of text1, the prefix of text2, the suffix of\n * text2 and the common middle. Or null if there was no match.\n * @private\n */\ndiff_match_patch.prototype.diff_halfMatch_ = function(text1, text2) {\n if (this.Diff_Timeout <= 0) {\n // Don't risk returning a non-optimal diff if we have unlimited time.\n return null;\n }\n var longtext = text1.length > text2.length ? text1 : text2;\n var shorttext = text1.length > text2.length ? text2 : text1;\n if (longtext.length < 4 || shorttext.length * 2 < longtext.length) {\n return null; // Pointless.\n }\n var dmp = this; // 'this' becomes 'window' in a closure.\n\n /**\n * Does a substring of shorttext exist within longtext such that the substring\n * is at least half the length of longtext?\n * Closure, but does not reference any external variables.\n * @param {string} longtext Longer string.\n * @param {string} shorttext Shorter string.\n * @param {number} i Start index of quarter length substring within longtext.\n * @return {Array.} Five element Array, containing the prefix of\n * longtext, the suffix of longtext, the prefix of shorttext, the suffix\n * of shorttext and the common middle. Or null if there was no match.\n * @private\n */\n function diff_halfMatchI_(longtext, shorttext, i) {\n // Start with a 1/4 length substring at position i as a seed.\n var seed = longtext.substring(i, i + Math.floor(longtext.length / 4));\n var j = -1;\n var best_common = '';\n var best_longtext_a, best_longtext_b, best_shorttext_a, best_shorttext_b;\n while ((j = shorttext.indexOf(seed, j + 1)) != -1) {\n var prefixLength = dmp.diff_commonPrefix(longtext.substring(i),\n shorttext.substring(j));\n var suffixLength = dmp.diff_commonSuffix(longtext.substring(0, i),\n shorttext.substring(0, j));\n if (best_common.length < suffixLength + prefixLength) {\n best_common = shorttext.substring(j - suffixLength, j) +\n shorttext.substring(j, j + prefixLength);\n best_longtext_a = longtext.substring(0, i - suffixLength);\n best_longtext_b = longtext.substring(i + prefixLength);\n best_shorttext_a = shorttext.substring(0, j - suffixLength);\n best_shorttext_b = shorttext.substring(j + prefixLength);\n }\n }\n if (best_common.length * 2 >= longtext.length) {\n return [best_longtext_a, best_longtext_b,\n best_shorttext_a, best_shorttext_b, best_common];\n } else {\n return null;\n }\n }\n\n // First check if the second quarter is the seed for a half-match.\n var hm1 = diff_halfMatchI_(longtext, shorttext,\n Math.ceil(longtext.length / 4));\n // Check again based on the third quarter.\n var hm2 = diff_halfMatchI_(longtext, shorttext,\n Math.ceil(longtext.length / 2));\n var hm;\n if (!hm1 && !hm2) {\n return null;\n } else if (!hm2) {\n hm = hm1;\n } else if (!hm1) {\n hm = hm2;\n } else {\n // Both matched. Select the longest.\n hm = hm1[4].length > hm2[4].length ? hm1 : hm2;\n }\n\n // A half-match was found, sort out the return data.\n var text1_a, text1_b, text2_a, text2_b;\n if (text1.length > text2.length) {\n text1_a = hm[0];\n text1_b = hm[1];\n text2_a = hm[2];\n text2_b = hm[3];\n } else {\n text2_a = hm[0];\n text2_b = hm[1];\n text1_a = hm[2];\n text1_b = hm[3];\n }\n var mid_common = hm[4];\n return [text1_a, text1_b, text2_a, text2_b, mid_common];\n};\n\n\n/**\n * Reduce the number of edits by eliminating semantically trivial equalities.\n * @param {!Array.} diffs Array of diff tuples.\n */\ndiff_match_patch.prototype.diff_cleanupSemantic = function(diffs) {\n var changes = false;\n var equalities = []; // Stack of indices where equalities are found.\n var equalitiesLength = 0; // Keeping our own length var is faster in JS.\n /** @type {?string} */\n var lastEquality = null;\n // Always equal to diffs[equalities[equalitiesLength - 1]][1]\n var pointer = 0; // Index of current position.\n // Number of characters that changed prior to the equality.\n var length_insertions1 = 0;\n var length_deletions1 = 0;\n // Number of characters that changed after the equality.\n var length_insertions2 = 0;\n var length_deletions2 = 0;\n while (pointer < diffs.length) {\n if (diffs[pointer][0] == DIFF_EQUAL) { // Equality found.\n equalities[equalitiesLength++] = pointer;\n length_insertions1 = length_insertions2;\n length_deletions1 = length_deletions2;\n length_insertions2 = 0;\n length_deletions2 = 0;\n lastEquality = diffs[pointer][1];\n } else { // An insertion or deletion.\n if (diffs[pointer][0] == DIFF_INSERT) {\n length_insertions2 += diffs[pointer][1].length;\n } else {\n length_deletions2 += diffs[pointer][1].length;\n }\n // Eliminate an equality that is smaller or equal to the edits on both\n // sides of it.\n if (lastEquality && (lastEquality.length <=\n Math.max(length_insertions1, length_deletions1)) &&\n (lastEquality.length <= Math.max(length_insertions2,\n length_deletions2))) {\n // Duplicate record.\n diffs.splice(equalities[equalitiesLength - 1], 0,\n new diff_match_patch.Diff(DIFF_DELETE, lastEquality));\n // Change second copy to insert.\n diffs[equalities[equalitiesLength - 1] + 1][0] = DIFF_INSERT;\n // Throw away the equality we just deleted.\n equalitiesLength--;\n // Throw away the previous equality (it needs to be reevaluated).\n equalitiesLength--;\n pointer = equalitiesLength > 0 ? equalities[equalitiesLength - 1] : -1;\n length_insertions1 = 0; // Reset the counters.\n length_deletions1 = 0;\n length_insertions2 = 0;\n length_deletions2 = 0;\n lastEquality = null;\n changes = true;\n }\n }\n pointer++;\n }\n\n // Normalize the diff.\n if (changes) {\n this.diff_cleanupMerge(diffs);\n }\n this.diff_cleanupSemanticLossless(diffs);\n\n // Find any overlaps between deletions and insertions.\n // e.g: abcxxxxxxdef\n // -> abcxxxdef\n // e.g: xxxabcdefxxx\n // -> defxxxabc\n // Only extract an overlap if it is as big as the edit ahead or behind it.\n pointer = 1;\n while (pointer < diffs.length) {\n if (diffs[pointer - 1][0] ==