| 1 |
- {"version":3,"file":"magic-string.es.mjs","sources":["../src/BitSet.js","../src/Chunk.js","../src/SourceMap.js","../src/utils/guessIndent.js","../src/utils/getRelativePath.js","../src/utils/isObject.js","../src/utils/getLocator.js","../src/utils/Mappings.js","../src/MagicString.js","../src/Bundle.js"],"sourcesContent":["export default class BitSet {\n\tconstructor(arg) {\n\t\tthis.bits = arg instanceof BitSet ? arg.bits.slice() : [];\n\t}\n\n\tadd(n) {\n\t\tthis.bits[n >> 5] |= 1 << (n & 31);\n\t}\n\n\thas(n) {\n\t\treturn !!(this.bits[n >> 5] & (1 << (n & 31)));\n\t}\n}\n","export default class Chunk {\n\tconstructor(start, end, content) {\n\t\tthis.start = start;\n\t\tthis.end = end;\n\t\tthis.original = content;\n\n\t\tthis.intro = '';\n\t\tthis.outro = '';\n\n\t\tthis.content = content;\n\t\tthis.storeName = false;\n\t\tthis.edited = false;\n\n\t\tif (DEBUG) {\n\t\t\t// we make these non-enumerable, for sanity while debugging\n\t\t\tObject.defineProperties(this, {\n\t\t\t\tprevious: { writable: true, value: null },\n\t\t\t\tnext: { writable: true, value: null },\n\t\t\t});\n\t\t} else {\n\t\t\tthis.previous = null;\n\t\t\tthis.next = null;\n\t\t}\n\t}\n\n\tappendLeft(content) {\n\t\tthis.outro += content;\n\t}\n\n\tappendRight(content) {\n\t\tthis.intro = this.intro + content;\n\t}\n\n\tclone() {\n\t\tconst chunk = new Chunk(this.start, this.end, this.original);\n\n\t\tchunk.intro = this.intro;\n\t\tchunk.outro = this.outro;\n\t\tchunk.content = this.content;\n\t\tchunk.storeName = this.storeName;\n\t\tchunk.edited = this.edited;\n\n\t\treturn chunk;\n\t}\n\n\tcontains(index) {\n\t\treturn this.start < index && index < this.end;\n\t}\n\n\teachNext(fn) {\n\t\tlet chunk = this;\n\t\twhile (chunk) {\n\t\t\tfn(chunk);\n\t\t\tchunk = chunk.next;\n\t\t}\n\t}\n\n\teachPrevious(fn) {\n\t\tlet chunk = this;\n\t\twhile (chunk) {\n\t\t\tfn(chunk);\n\t\t\tchunk = chunk.previous;\n\t\t}\n\t}\n\n\tedit(content, storeName, contentOnly) {\n\t\tthis.content = content;\n\t\tif (!contentOnly) {\n\t\t\tthis.intro = '';\n\t\t\tthis.outro = '';\n\t\t}\n\t\tthis.storeName = storeName;\n\n\t\tthis.edited = true;\n\n\t\treturn this;\n\t}\n\n\tprependLeft(content) {\n\t\tthis.outro = content + this.outro;\n\t}\n\n\tprependRight(content) {\n\t\tthis.intro = content + this.intro;\n\t}\n\n\treset() {\n\t\tthis.intro = '';\n\t\tthis.outro = '';\n\t\tif (this.edited) {\n\t\t\tthis.content = this.original;\n\t\t\tthis.storeName = false;\n\t\t\tthis.edited = false;\n\t\t}\n\t}\n\n\tsplit(index) {\n\t\tconst sliceIndex = index - this.start;\n\n\t\tconst originalBefore = this.original.slice(0, sliceIndex);\n\t\tconst originalAfter = this.original.slice(sliceIndex);\n\n\t\tthis.original = originalBefore;\n\n\t\tconst newChunk = new Chunk(index, this.end, originalAfter);\n\t\tnewChunk.outro = this.outro;\n\t\tthis.outro = '';\n\n\t\tthis.end = index;\n\n\t\tif (this.edited) {\n\t\t\t// after split we should save the edit content record into the correct chunk\n\t\t\t// to make sure sourcemap correct\n\t\t\t// For example:\n\t\t\t// ' test'.trim()\n\t\t\t// split -> ' ' + 'test'\n\t\t\t// ✔️ edit -> '' + 'test'\n\t\t\t// ✖️ edit -> 'test' + '' \n\t\t\t// TODO is this block necessary?...\n\t\t\tnewChunk.edit('', false);\n\t\t\tthis.content = '';\n\t\t} else {\n\t\t\tthis.content = originalBefore;\n\t\t}\n\n\t\tnewChunk.next = this.next;\n\t\tif (newChunk.next) newChunk.next.previous = newChunk;\n\t\tnewChunk.previous = this;\n\t\tthis.next = newChunk;\n\n\t\treturn newChunk;\n\t}\n\n\ttoString() {\n\t\treturn this.intro + this.content + this.outro;\n\t}\n\n\ttrimEnd(rx) {\n\t\tthis.outro = this.outro.replace(rx, '');\n\t\tif (this.outro.length) return true;\n\n\t\tconst trimmed = this.content.replace(rx, '');\n\n\t\tif (trimmed.length) {\n\t\t\tif (trimmed !== this.content) {\n\t\t\t\tthis.split(this.start + trimmed.length).edit('', undefined, true);\n\t\t\t\tif (this.edited) {\n\t\t\t\t\t// save the change, if it has been edited\n\t\t\t\t\tthis.edit(trimmed, this.storeName, true);\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn true;\n\t\t} else {\n\t\t\tthis.edit('', undefined, true);\n\n\t\t\tthis.intro = this.intro.replace(rx, '');\n\t\t\tif (this.intro.length) return true;\n\t\t}\n\t}\n\n\ttrimStart(rx) {\n\t\tthis.intro = this.intro.replace(rx, '');\n\t\tif (this.intro.length) return true;\n\n\t\tconst trimmed = this.content.replace(rx, '');\n\n\t\tif (trimmed.length) {\n\t\t\tif (trimmed !== this.content) {\n\t\t\t\tconst newChunk = this.split(this.end - trimmed.length);\n\t\t\t\tif (this.edited) {\n\t\t\t\t\t// save the change, if it has been edited\n\t\t\t\t\tnewChunk.edit(trimmed, this.storeName, true);\n\t\t\t\t}\n\t\t\t\tthis.edit('', undefined, true);\n\t\t\t}\n\t\t\treturn true;\n\t\t} else {\n\t\t\tthis.edit('', undefined, true);\n\n\t\t\tthis.outro = this.outro.replace(rx, '');\n\t\t\tif (this.outro.length) return true;\n\t\t}\n\t}\n}\n","import { encode } from '@jridgewell/sourcemap-codec';\n\nfunction getBtoa() {\n\tif (typeof globalThis !== 'undefined' && typeof globalThis.btoa === 'function') {\n\t\treturn (str) => globalThis.btoa(unescape(encodeURIComponent(str)));\n\t} else if (typeof Buffer === 'function') {\n\t\treturn (str) => Buffer.from(str, 'utf-8').toString('base64');\n\t} else {\n\t\treturn () => {\n\t\t\tthrow new Error('Unsupported environment: `window.btoa` or `Buffer` should be supported.');\n\t\t};\n\t}\n}\n\nconst btoa = /*#__PURE__*/ getBtoa();\n\nexport default class SourceMap {\n\tconstructor(properties) {\n\t\tthis.version = 3;\n\t\tthis.file = properties.file;\n\t\tthis.sources = properties.sources;\n\t\tthis.sourcesContent = properties.sourcesContent;\n\t\tthis.names = properties.names;\n\t\tthis.mappings = encode(properties.mappings);\n\t\tif (typeof properties.x_google_ignoreList !== 'undefined') {\n\t\t\tthis.x_google_ignoreList = properties.x_google_ignoreList;\n\t\t}\n\t}\n\n\ttoString() {\n\t\treturn JSON.stringify(this);\n\t}\n\n\ttoUrl() {\n\t\treturn 'data:application/json;charset=utf-8;base64,' + btoa(this.toString());\n\t}\n}\n","export default function guessIndent(code) {\n\tconst lines = code.split('\\n');\n\n\tconst tabbed = lines.filter((line) => /^\\t+/.test(line));\n\tconst spaced = lines.filter((line) => /^ {2,}/.test(line));\n\n\tif (tabbed.length === 0 && spaced.length === 0) {\n\t\treturn null;\n\t}\n\n\t// More lines tabbed than spaced? Assume tabs, and\n\t// default to tabs in the case of a tie (or nothing\n\t// to go on)\n\tif (tabbed.length >= spaced.length) {\n\t\treturn '\\t';\n\t}\n\n\t// Otherwise, we need to guess the multiple\n\tconst min = spaced.reduce((previous, current) => {\n\t\tconst numSpaces = /^ +/.exec(current)[0].length;\n\t\treturn Math.min(numSpaces, previous);\n\t}, Infinity);\n\n\treturn new Array(min + 1).join(' ');\n}\n","export default function getRelativePath(from, to) {\n\tconst fromParts = from.split(/[/\\\\]/);\n\tconst toParts = to.split(/[/\\\\]/);\n\n\tfromParts.pop(); // get dirname\n\n\twhile (fromParts[0] === toParts[0]) {\n\t\tfromParts.shift();\n\t\ttoParts.shift();\n\t}\n\n\tif (fromParts.length) {\n\t\tlet i = fromParts.length;\n\t\twhile (i--) fromParts[i] = '..';\n\t}\n\n\treturn fromParts.concat(toParts).join('/');\n}\n","const toString = Object.prototype.toString;\n\nexport default function isObject(thing) {\n\treturn toString.call(thing) === '[object Object]';\n}\n","export default function getLocator(source) {\n\tconst originalLines = source.split('\\n');\n\tconst lineOffsets = [];\n\n\tfor (let i = 0, pos = 0; i < originalLines.length; i++) {\n\t\tlineOffsets.push(pos);\n\t\tpos += originalLines[i].length + 1;\n\t}\n\n\treturn function locate(index) {\n\t\tlet i = 0;\n\t\tlet j = lineOffsets.length;\n\t\twhile (i < j) {\n\t\t\tconst m = (i + j) >> 1;\n\t\t\tif (index < lineOffsets[m]) {\n\t\t\t\tj = m;\n\t\t\t} else {\n\t\t\t\ti = m + 1;\n\t\t\t}\n\t\t}\n\t\tconst line = i - 1;\n\t\tconst column = index - lineOffsets[line];\n\t\treturn { line, column };\n\t};\n}\n","const wordRegex = /\\w/;\n\nexport default class Mappings {\n\tconstructor(hires) {\n\t\tthis.hires = hires;\n\t\tthis.generatedCodeLine = 0;\n\t\tthis.generatedCodeColumn = 0;\n\t\tthis.raw = [];\n\t\tthis.rawSegments = this.raw[this.generatedCodeLine] = [];\n\t\tthis.pending = null;\n\t}\n\n\taddEdit(sourceIndex, content, loc, nameIndex) {\n\t\tif (content.length) {\n\t\t\tconst contentLengthMinusOne = content.length - 1;\n\t\t\tlet contentLineEnd = content.indexOf('\\n', 0);\n\t\t\tlet previousContentLineEnd = -1;\n\t\t\t// Loop through each line in the content and add a segment, but stop if the last line is empty,\n\t\t\t// else code afterwards would fill one line too many\n\t\t\twhile (contentLineEnd >= 0 && contentLengthMinusOne > contentLineEnd) {\n\t\t\t\tconst segment = [this.generatedCodeColumn, sourceIndex, loc.line, loc.column];\n\t\t\t\tif (nameIndex >= 0) {\n\t\t\t\t\tsegment.push(nameIndex);\n\t\t\t\t}\n\t\t\t\tthis.rawSegments.push(segment);\n\n\t\t\t\tthis.generatedCodeLine += 1;\n\t\t\t\tthis.raw[this.generatedCodeLine] = this.rawSegments = [];\n\t\t\t\tthis.generatedCodeColumn = 0;\n\n\t\t\t\tpreviousContentLineEnd = contentLineEnd;\n\t\t\t\tcontentLineEnd = content.indexOf('\\n', contentLineEnd + 1);\n\t\t\t}\n\n\t\t\tconst segment = [this.generatedCodeColumn, sourceIndex, loc.line, loc.column];\n\t\t\tif (nameIndex >= 0) {\n\t\t\t\tsegment.push(nameIndex);\n\t\t\t}\n\t\t\tthis.rawSegments.push(segment);\n\n\t\t\tthis.advance(content.slice(previousContentLineEnd + 1));\n\t\t} else if (this.pending) {\n\t\t\tthis.rawSegments.push(this.pending);\n\t\t\tthis.advance(content);\n\t\t}\n\n\t\tthis.pending = null;\n\t}\n\n\taddUneditedChunk(sourceIndex, chunk, original, loc, sourcemapLocations) {\n\t\tlet originalCharIndex = chunk.start;\n\t\tlet first = true;\n\t\t// when iterating each char, check if it's in a word boundary\n\t\tlet charInHiresBoundary = false;\n\n\t\twhile (originalCharIndex < chunk.end) {\n\t\t\tif (this.hires || first || sourcemapLocations.has(originalCharIndex)) {\n\t\t\t\tconst segment = [this.generatedCodeColumn, sourceIndex, loc.line, loc.column];\n\n\t\t\t\tif (this.hires === 'boundary') {\n\t\t\t\t\t// in hires \"boundary\", group segments per word boundary than per char\n\t\t\t\t\tif (wordRegex.test(original[originalCharIndex])) {\n\t\t\t\t\t\t// for first char in the boundary found, start the boundary by pushing a segment\n\t\t\t\t\t\tif (!charInHiresBoundary) {\n\t\t\t\t\t\t\tthis.rawSegments.push(segment);\n\t\t\t\t\t\t\tcharInHiresBoundary = true;\n\t\t\t\t\t\t}\n\t\t\t\t\t} else {\n\t\t\t\t\t\t// for non-word char, end the boundary by pushing a segment\n\t\t\t\t\t\tthis.rawSegments.push(segment);\n\t\t\t\t\t\tcharInHiresBoundary = false;\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\tthis.rawSegments.push(segment);\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif (original[originalCharIndex] === '\\n') {\n\t\t\t\tloc.line += 1;\n\t\t\t\tloc.column = 0;\n\t\t\t\tthis.generatedCodeLine += 1;\n\t\t\t\tthis.raw[this.generatedCodeLine] = this.rawSegments = [];\n\t\t\t\tthis.generatedCodeColumn = 0;\n\t\t\t\tfirst = true;\n\t\t\t} else {\n\t\t\t\tloc.column += 1;\n\t\t\t\tthis.generatedCodeColumn += 1;\n\t\t\t\tfirst = false;\n\t\t\t}\n\n\t\t\toriginalCharIndex += 1;\n\t\t}\n\n\t\tthis.pending = null;\n\t}\n\n\tadvance(str) {\n\t\tif (!str) return;\n\n\t\tconst lines = str.split('\\n');\n\n\t\tif (lines.length > 1) {\n\t\t\tfor (let i = 0; i < lines.length - 1; i++) {\n\t\t\t\tthis.generatedCodeLine++;\n\t\t\t\tthis.raw[this.generatedCodeLine] = this.rawSegments = [];\n\t\t\t}\n\t\t\tthis.generatedCodeColumn = 0;\n\t\t}\n\n\t\tthis.generatedCodeColumn += lines[lines.length - 1].length;\n\t}\n}\n","import BitSet from './BitSet.js';\nimport Chunk from './Chunk.js';\nimport SourceMap from './SourceMap.js';\nimport guessIndent from './utils/guessIndent.js';\nimport getRelativePath from './utils/getRelativePath.js';\nimport isObject from './utils/isObject.js';\nimport getLocator from './utils/getLocator.js';\nimport Mappings from './utils/Mappings.js';\nimport Stats from './utils/Stats.js';\n\nconst n = '\\n';\n\nconst warned = {\n\tinsertLeft: false,\n\tinsertRight: false,\n\tstoreName: false,\n};\n\nexport default class MagicString {\n\tconstructor(string, options = {}) {\n\t\tconst chunk = new Chunk(0, string.length, string);\n\n\t\tObject.defineProperties(this, {\n\t\t\toriginal: { writable: true, value: string },\n\t\t\toutro: { writable: true, value: '' },\n\t\t\tintro: { writable: true, value: '' },\n\t\t\tfirstChunk: { writable: true, value: chunk },\n\t\t\tlastChunk: { writable: true, value: chunk },\n\t\t\tlastSearchedChunk: { writable: true, value: chunk },\n\t\t\tbyStart: { writable: true, value: {} },\n\t\t\tbyEnd: { writable: true, value: {} },\n\t\t\tfilename: { writable: true, value: options.filename },\n\t\t\tindentExclusionRanges: { writable: true, value: options.indentExclusionRanges },\n\t\t\tsourcemapLocations: { writable: true, value: new BitSet() },\n\t\t\tstoredNames: { writable: true, value: {} },\n\t\t\tindentStr: { writable: true, value: undefined },\n\t\t\tignoreList: { writable: true, value: options.ignoreList },\n\t\t});\n\n\t\tif (DEBUG) {\n\t\t\tObject.defineProperty(this, 'stats', { value: new Stats() });\n\t\t}\n\n\t\tthis.byStart[0] = chunk;\n\t\tthis.byEnd[string.length] = chunk;\n\t}\n\n\taddSourcemapLocation(char) {\n\t\tthis.sourcemapLocations.add(char);\n\t}\n\n\tappend(content) {\n\t\tif (typeof content !== 'string') throw new TypeError('outro content must be a string');\n\n\t\tthis.outro += content;\n\t\treturn this;\n\t}\n\n\tappendLeft(index, content) {\n\t\tif (typeof content !== 'string') throw new TypeError('inserted content must be a string');\n\n\t\tif (DEBUG) this.stats.time('appendLeft');\n\n\t\tthis._split(index);\n\n\t\tconst chunk = this.byEnd[index];\n\n\t\tif (chunk) {\n\t\t\tchunk.appendLeft(content);\n\t\t} else {\n\t\t\tthis.intro += content;\n\t\t}\n\n\t\tif (DEBUG) this.stats.timeEnd('appendLeft');\n\t\treturn this;\n\t}\n\n\tappendRight(index, content) {\n\t\tif (typeof content !== 'string') throw new TypeError('inserted content must be a string');\n\n\t\tif (DEBUG) this.stats.time('appendRight');\n\n\t\tthis._split(index);\n\n\t\tconst chunk = this.byStart[index];\n\n\t\tif (chunk) {\n\t\t\tchunk.appendRight(content);\n\t\t} else {\n\t\t\tthis.outro += content;\n\t\t}\n\n\t\tif (DEBUG) this.stats.timeEnd('appendRight');\n\t\treturn this;\n\t}\n\n\tclone() {\n\t\tconst cloned = new MagicString(this.original, { filename: this.filename });\n\n\t\tlet originalChunk = this.firstChunk;\n\t\tlet clonedChunk = (cloned.firstChunk = cloned.lastSearchedChunk = originalChunk.clone());\n\n\t\twhile (originalChunk) {\n\t\t\tcloned.byStart[clonedChunk.start] = clonedChunk;\n\t\t\tcloned.byEnd[clonedChunk.end] = clonedChunk;\n\n\t\t\tconst nextOriginalChunk = originalChunk.next;\n\t\t\tconst nextClonedChunk = nextOriginalChunk && nextOriginalChunk.clone();\n\n\t\t\tif (nextClonedChunk) {\n\t\t\t\tclonedChunk.next = nextClonedChunk;\n\t\t\t\tnextClonedChunk.previous = clonedChunk;\n\n\t\t\t\tclonedChunk = nextClonedChunk;\n\t\t\t}\n\n\t\t\toriginalChunk = nextOriginalChunk;\n\t\t}\n\n\t\tcloned.lastChunk = clonedChunk;\n\n\t\tif (this.indentExclusionRanges) {\n\t\t\tcloned.indentExclusionRanges = this.indentExclusionRanges.slice();\n\t\t}\n\n\t\tcloned.sourcemapLocations = new BitSet(this.sourcemapLocations);\n\n\t\tcloned.intro = this.intro;\n\t\tcloned.outro = this.outro;\n\n\t\treturn cloned;\n\t}\n\n\tgenerateDecodedMap(options) {\n\t\toptions = options || {};\n\n\t\tconst sourceIndex = 0;\n\t\tconst names = Object.keys(this.storedNames);\n\t\tconst mappings = new Mappings(options.hires);\n\n\t\tconst locate = getLocator(this.original);\n\n\t\tif (this.intro) {\n\t\t\tmappings.advance(this.intro);\n\t\t}\n\n\t\tthis.firstChunk.eachNext((chunk) => {\n\t\t\tconst loc = locate(chunk.start);\n\n\t\t\tif (chunk.intro.length) mappings.advance(chunk.intro);\n\n\t\t\tif (chunk.edited) {\n\t\t\t\tmappings.addEdit(\n\t\t\t\t\tsourceIndex,\n\t\t\t\t\tchunk.content,\n\t\t\t\t\tloc,\n\t\t\t\t\tchunk.storeName ? names.indexOf(chunk.original) : -1,\n\t\t\t\t);\n\t\t\t} else {\n\t\t\t\tmappings.addUneditedChunk(sourceIndex, chunk, this.original, loc, this.sourcemapLocations);\n\t\t\t}\n\n\t\t\tif (chunk.outro.length) mappings.advance(chunk.outro);\n\t\t});\n\n\t\treturn {\n\t\t\tfile: options.file ? options.file.split(/[/\\\\]/).pop() : undefined,\n\t\t\tsources: [\n\t\t\t\toptions.source ? getRelativePath(options.file || '', options.source) : options.file || '',\n\t\t\t],\n\t\t\tsourcesContent: options.includeContent ? [this.original] : undefined,\n\t\t\tnames,\n\t\t\tmappings: mappings.raw,\n\t\t\tx_google_ignoreList: this.ignoreList ? [sourceIndex] : undefined,\n\t\t};\n\t}\n\n\tgenerateMap(options) {\n\t\treturn new SourceMap(this.generateDecodedMap(options));\n\t}\n\n\t_ensureindentStr() {\n\t\tif (this.indentStr === undefined) {\n\t\t\tthis.indentStr = guessIndent(this.original);\n\t\t}\n\t}\n\n\t_getRawIndentString() {\n\t\tthis._ensureindentStr();\n\t\treturn this.indentStr;\n\t}\n\n\tgetIndentString() {\n\t\tthis._ensureindentStr();\n\t\treturn this.indentStr === null ? '\\t' : this.indentStr;\n\t}\n\n\tindent(indentStr, options) {\n\t\tconst pattern = /^[^\\r\\n]/gm;\n\n\t\tif (isObject(indentStr)) {\n\t\t\toptions = indentStr;\n\t\t\tindentStr = undefined;\n\t\t}\n\n\t\tif (indentStr === undefined) {\n\t\t\tthis._ensureindentStr();\n\t\t\tindentStr = this.indentStr || '\\t';\n\t\t}\n\n\t\tif (indentStr === '') return this; // noop\n\n\t\toptions = options || {};\n\n\t\t// Process exclusion ranges\n\t\tconst isExcluded = {};\n\n\t\tif (options.exclude) {\n\t\t\tconst exclusions =\n\t\t\t\ttypeof options.exclude[0] === 'number' ? [options.exclude] : options.exclude;\n\t\t\texclusions.forEach((exclusion) => {\n\t\t\t\tfor (let i = exclusion[0]; i < exclusion[1]; i += 1) {\n\t\t\t\t\tisExcluded[i] = true;\n\t\t\t\t}\n\t\t\t});\n\t\t}\n\n\t\tlet shouldIndentNextCharacter = options.indentStart !== false;\n\t\tconst replacer = (match) => {\n\t\t\tif (shouldIndentNextCharacter) return `${indentStr}${match}`;\n\t\t\tshouldIndentNextCharacter = true;\n\t\t\treturn match;\n\t\t};\n\n\t\tthis.intro = this.intro.replace(pattern, replacer);\n\n\t\tlet charIndex = 0;\n\t\tlet chunk = this.firstChunk;\n\n\t\twhile (chunk) {\n\t\t\tconst end = chunk.end;\n\n\t\t\tif (chunk.edited) {\n\t\t\t\tif (!isExcluded[charIndex]) {\n\t\t\t\t\tchunk.content = chunk.content.replace(pattern, replacer);\n\n\t\t\t\t\tif (chunk.content.length) {\n\t\t\t\t\t\tshouldIndentNextCharacter = chunk.content[chunk.content.length - 1] === '\\n';\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tcharIndex = chunk.start;\n\n\t\t\t\twhile (charIndex < end) {\n\t\t\t\t\tif (!isExcluded[charIndex]) {\n\t\t\t\t\t\tconst char = this.original[charIndex];\n\n\t\t\t\t\t\tif (char === '\\n') {\n\t\t\t\t\t\t\tshouldIndentNextCharacter = true;\n\t\t\t\t\t\t} else if (char !== '\\r' && shouldIndentNextCharacter) {\n\t\t\t\t\t\t\tshouldIndentNextCharacter = false;\n\n\t\t\t\t\t\t\tif (charIndex === chunk.start) {\n\t\t\t\t\t\t\t\tchunk.prependRight(indentStr);\n\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\tthis._splitChunk(chunk, charIndex);\n\t\t\t\t\t\t\t\tchunk = chunk.next;\n\t\t\t\t\t\t\t\tchunk.prependRight(indentStr);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t\tcharIndex += 1;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tcharIndex = chunk.end;\n\t\t\tchunk = chunk.next;\n\t\t}\n\n\t\tthis.outro = this.outro.replace(pattern, replacer);\n\n\t\treturn this;\n\t}\n\n\tinsert() {\n\t\tthrow new Error(\n\t\t\t'magicString.insert(...) is deprecated. Use prependRight(...) or appendLeft(...)',\n\t\t);\n\t}\n\n\tinsertLeft(index, content) {\n\t\tif (!warned.insertLeft) {\n\t\t\tconsole.warn(\n\t\t\t\t'magicString.insertLeft(...) is deprecated. Use magicString.appendLeft(...) instead',\n\t\t\t); // eslint-disable-line no-console\n\t\t\twarned.insertLeft = true;\n\t\t}\n\n\t\treturn this.appendLeft(index, content);\n\t}\n\n\tinsertRight(index, content) {\n\t\tif (!warned.insertRight) {\n\t\t\tconsole.warn(\n\t\t\t\t'magicString.insertRight(...) is deprecated. Use magicString.prependRight(...) instead',\n\t\t\t); // eslint-disable-line no-console\n\t\t\twarned.insertRight = true;\n\t\t}\n\n\t\treturn this.prependRight(index, content);\n\t}\n\n\tmove(start, end, index) {\n\t\tif (index >= start && index <= end) throw new Error('Cannot move a selection inside itself');\n\n\t\tif (DEBUG) this.stats.time('move');\n\n\t\tthis._split(start);\n\t\tthis._split(end);\n\t\tthis._split(index);\n\n\t\tconst first = this.byStart[start];\n\t\tconst last = this.byEnd[end];\n\n\t\tconst oldLeft = first.previous;\n\t\tconst oldRight = last.next;\n\n\t\tconst newRight = this.byStart[index];\n\t\tif (!newRight && last === this.lastChunk) return this;\n\t\tconst newLeft = newRight ? newRight.previous : this.lastChunk;\n\n\t\tif (oldLeft) oldLeft.next = oldRight;\n\t\tif (oldRight) oldRight.previous = oldLeft;\n\n\t\tif (newLeft) newLeft.next = first;\n\t\tif (newRight) newRight.previous = last;\n\n\t\tif (!first.previous) this.firstChunk = last.next;\n\t\tif (!last.next) {\n\t\t\tthis.lastChunk = first.previous;\n\t\t\tthis.lastChunk.next = null;\n\t\t}\n\n\t\tfirst.previous = newLeft;\n\t\tlast.next = newRight || null;\n\n\t\tif (!newLeft) this.firstChunk = first;\n\t\tif (!newRight) this.lastChunk = last;\n\n\t\tif (DEBUG) this.stats.timeEnd('move');\n\t\treturn this;\n\t}\n\n\toverwrite(start, end, content, options) {\n\t\toptions = options || {};\n\t\treturn this.update(start, end, content, { ...options, overwrite: !options.contentOnly });\n\t}\n\n\tupdate(start, end, content, options) {\n\t\tif (typeof content !== 'string') throw new TypeError('replacement content must be a string');\n\n\t\tif (this.original.length !== 0) {\n\t\t\twhile (start < 0) start += this.original.length;\n\t\t\twhile (end < 0) end += this.original.length;\n\t\t}\n\n\t\tif (end > this.original.length) throw new Error('end is out of bounds');\n\t\tif (start === end)\n\t\t\tthrow new Error(\n\t\t\t\t'Cannot overwrite a zero-length range – use appendLeft or prependRight instead',\n\t\t\t);\n\n\t\tif (DEBUG) this.stats.time('overwrite');\n\n\t\tthis._split(start);\n\t\tthis._split(end);\n\n\t\tif (options === true) {\n\t\t\tif (!warned.storeName) {\n\t\t\t\tconsole.warn(\n\t\t\t\t\t'The final argument to magicString.overwrite(...) should be an options object. See https://github.com/rich-harris/magic-string',\n\t\t\t\t); // eslint-disable-line no-console\n\t\t\t\twarned.storeName = true;\n\t\t\t}\n\n\t\t\toptions = { storeName: true };\n\t\t}\n\t\tconst storeName = options !== undefined ? options.storeName : false;\n\t\tconst overwrite = options !== undefined ? options.overwrite : false;\n\n\t\tif (storeName) {\n\t\t\tconst original = this.original.slice(start, end);\n\t\t\tObject.defineProperty(this.storedNames, original, {\n\t\t\t\twritable: true,\n\t\t\t\tvalue: true,\n\t\t\t\tenumerable: true,\n\t\t\t});\n\t\t}\n\n\t\tconst first = this.byStart[start];\n\t\tconst last = this.byEnd[end];\n\n\t\tif (first) {\n\t\t\tlet chunk = first;\n\t\t\twhile (chunk !== last) {\n\t\t\t\tif (chunk.next !== this.byStart[chunk.end]) {\n\t\t\t\t\tthrow new Error('Cannot overwrite across a split point');\n\t\t\t\t}\n\t\t\t\tchunk = chunk.next;\n\t\t\t\tchunk.edit('', false);\n\t\t\t}\n\n\t\t\tfirst.edit(content, storeName, !overwrite);\n\t\t} else {\n\t\t\t// must be inserting at the end\n\t\t\tconst newChunk = new Chunk(start, end, '').edit(content, storeName);\n\n\t\t\t// TODO last chunk in the array may not be the last chunk, if it's moved...\n\t\t\tlast.next = newChunk;\n\t\t\tnewChunk.previous = last;\n\t\t}\n\n\t\tif (DEBUG) this.stats.timeEnd('overwrite');\n\t\treturn this;\n\t}\n\n\tprepend(content) {\n\t\tif (typeof content !== 'string') throw new TypeError('outro content must be a string');\n\n\t\tthis.intro = content + this.intro;\n\t\treturn this;\n\t}\n\n\tprependLeft(index, content) {\n\t\tif (typeof content !== 'string') throw new TypeError('inserted content must be a string');\n\n\t\tif (DEBUG) this.stats.time('insertRight');\n\n\t\tthis._split(index);\n\n\t\tconst chunk = this.byEnd[index];\n\n\t\tif (chunk) {\n\t\t\tchunk.prependLeft(content);\n\t\t} else {\n\t\t\tthis.intro = content + this.intro;\n\t\t}\n\n\t\tif (DEBUG) this.stats.timeEnd('insertRight');\n\t\treturn this;\n\t}\n\n\tprependRight(index, content) {\n\t\tif (typeof content !== 'string') throw new TypeError('inserted content must be a string');\n\n\t\tif (DEBUG) this.stats.time('insertRight');\n\n\t\tthis._split(index);\n\n\t\tconst chunk = this.byStart[index];\n\n\t\tif (chunk) {\n\t\t\tchunk.prependRight(content);\n\t\t} else {\n\t\t\tthis.outro = content + this.outro;\n\t\t}\n\n\t\tif (DEBUG) this.stats.timeEnd('insertRight');\n\t\treturn this;\n\t}\n\n\tremove(start, end) {\n\t\tif (this.original.length !== 0) {\n\t\t\twhile (start < 0) start += this.original.length;\n\t\t\twhile (end < 0) end += this.original.length;\n\t\t}\n\n\t\tif (start === end) return this;\n\n\t\tif (start < 0 || end > this.original.length) throw new Error('Character is out of bounds');\n\t\tif (start > end) throw new Error('end must be greater than start');\n\n\t\tif (DEBUG) this.stats.time('remove');\n\n\t\tthis._split(start);\n\t\tthis._split(end);\n\n\t\tlet chunk = this.byStart[start];\n\n\t\twhile (chunk) {\n\t\t\tchunk.intro = '';\n\t\t\tchunk.outro = '';\n\t\t\tchunk.edit('');\n\n\t\t\tchunk = end > chunk.end ? this.byStart[chunk.end] : null;\n\t\t}\n\n\t\tif (DEBUG) this.stats.timeEnd('remove');\n\t\treturn this;\n\t}\n\n\treset(start, end) {\n\t\tif (this.original.length !== 0) {\n\t\t\twhile (start < 0) start += this.original.length;\n\t\t\twhile (end < 0) end += this.original.length;\n\t\t}\n\n\t\tif (start === end) return this;\n\n\t\tif (start < 0 || end > this.original.length) throw new Error('Character is out of bounds');\n\t\tif (start > end) throw new Error('end must be greater than start');\n\n\t\tif (DEBUG) this.stats.time('reset');\n\n\t\tthis._split(start);\n\t\tthis._split(end);\n\n\t\tlet chunk = this.byStart[start];\n\n\t\twhile (chunk) {\n\t\t\tchunk.reset();\n\n\t\t\tchunk = end > chunk.end ? this.byStart[chunk.end] : null;\n\t\t}\n\n\t\tif (DEBUG) this.stats.timeEnd('reset');\n\t\treturn this;\n\t}\n\n\tlastChar() {\n\t\tif (this.outro.length) return this.outro[this.outro.length - 1];\n\t\tlet chunk = this.lastChunk;\n\t\tdo {\n\t\t\tif (chunk.outro.length) return chunk.outro[chunk.outro.length - 1];\n\t\t\tif (chunk.content.length) return chunk.content[chunk.content.length - 1];\n\t\t\tif (chunk.intro.length) return chunk.intro[chunk.intro.length - 1];\n\t\t} while ((chunk = chunk.previous));\n\t\tif (this.intro.length) return this.intro[this.intro.length - 1];\n\t\treturn '';\n\t}\n\n\tlastLine() {\n\t\tlet lineIndex = this.outro.lastIndexOf(n);\n\t\tif (lineIndex !== -1) return this.outro.substr(lineIndex + 1);\n\t\tlet lineStr = this.outro;\n\t\tlet chunk = this.lastChunk;\n\t\tdo {\n\t\t\tif (chunk.outro.length > 0) {\n\t\t\t\tlineIndex = chunk.outro.lastIndexOf(n);\n\t\t\t\tif (lineIndex !== -1) return chunk.outro.substr(lineIndex + 1) + lineStr;\n\t\t\t\tlineStr = chunk.outro + lineStr;\n\t\t\t}\n\n\t\t\tif (chunk.content.length > 0) {\n\t\t\t\tlineIndex = chunk.content.lastIndexOf(n);\n\t\t\t\tif (lineIndex !== -1) return chunk.content.substr(lineIndex + 1) + lineStr;\n\t\t\t\tlineStr = chunk.content + lineStr;\n\t\t\t}\n\n\t\t\tif (chunk.intro.length > 0) {\n\t\t\t\tlineIndex = chunk.intro.lastIndexOf(n);\n\t\t\t\tif (lineIndex !== -1) return chunk.intro.substr(lineIndex + 1) + lineStr;\n\t\t\t\tlineStr = chunk.intro + lineStr;\n\t\t\t}\n\t\t} while ((chunk = chunk.previous));\n\t\tlineIndex = this.intro.lastIndexOf(n);\n\t\tif (lineIndex !== -1) return this.intro.substr(lineIndex + 1) + lineStr;\n\t\treturn this.intro + lineStr;\n\t}\n\n\tslice(start = 0, end = this.original.length) {\n\t\tif (this.original.length !== 0) {\n\t\t\twhile (start < 0) start += this.original.length;\n\t\t\twhile (end < 0) end += this.original.length;\n\t\t}\n\n\t\tlet result = '';\n\n\t\t// find start chunk\n\t\tlet chunk = this.firstChunk;\n\t\twhile (chunk && (chunk.start > start || chunk.end <= start)) {\n\t\t\t// found end chunk before start\n\t\t\tif (chunk.start < end && chunk.end >= end) {\n\t\t\t\treturn result;\n\t\t\t}\n\n\t\t\tchunk = chunk.next;\n\t\t}\n\n\t\tif (chunk && chunk.edited && chunk.start !== start)\n\t\t\tthrow new Error(`Cannot use replaced character ${start} as slice start anchor.`);\n\n\t\tconst startChunk = chunk;\n\t\twhile (chunk) {\n\t
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