From 76cb9c2a39d477a64824a985ade40507e3bbade1 Mon Sep 17 00:00:00 2001 From: Adam Mathes Date: Fri, 13 Feb 2026 21:34:48 -0800 Subject: feat(vanilla): add testing infrastructure and tests (NK-wjnczv) --- .../magic-string/dist/magic-string.umd.js | 1682 ++++++++++++++++++++ 1 file changed, 1682 insertions(+) create mode 100644 vanilla/node_modules/magic-string/dist/magic-string.umd.js (limited to 'vanilla/node_modules/magic-string/dist/magic-string.umd.js') diff --git a/vanilla/node_modules/magic-string/dist/magic-string.umd.js b/vanilla/node_modules/magic-string/dist/magic-string.umd.js new file mode 100644 index 0000000..0c399cd --- /dev/null +++ b/vanilla/node_modules/magic-string/dist/magic-string.umd.js @@ -0,0 +1,1682 @@ +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : + typeof define === 'function' && define.amd ? define(factory) : + (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.MagicString = factory()); +})(this, (function () { 'use strict'; + + class BitSet { + constructor(arg) { + this.bits = arg instanceof BitSet ? arg.bits.slice() : []; + } + + add(n) { + this.bits[n >> 5] |= 1 << (n & 31); + } + + has(n) { + return !!(this.bits[n >> 5] & (1 << (n & 31))); + } + } + + class Chunk { + constructor(start, end, content) { + this.start = start; + this.end = end; + this.original = content; + + this.intro = ''; + this.outro = ''; + + this.content = content; + this.storeName = false; + this.edited = false; + + { + this.previous = null; + this.next = null; + } + } + + appendLeft(content) { + this.outro += content; + } + + appendRight(content) { + this.intro = this.intro + content; + } + + clone() { + const chunk = new Chunk(this.start, this.end, this.original); + + chunk.intro = this.intro; + chunk.outro = this.outro; + chunk.content = this.content; + chunk.storeName = this.storeName; + chunk.edited = this.edited; + + return chunk; + } + + contains(index) { + return this.start < index && index < this.end; + } + + eachNext(fn) { + let chunk = this; + while (chunk) { + fn(chunk); + chunk = chunk.next; + } + } + + eachPrevious(fn) { + let chunk = this; + while (chunk) { + fn(chunk); + chunk = chunk.previous; + } + } + + edit(content, storeName, contentOnly) { + this.content = content; + if (!contentOnly) { + this.intro = ''; + this.outro = ''; + } + this.storeName = storeName; + + this.edited = true; + + return this; + } + + prependLeft(content) { + this.outro = content + this.outro; + } + + prependRight(content) { + this.intro = content + this.intro; + } + + reset() { + this.intro = ''; + this.outro = ''; + if (this.edited) { + this.content = this.original; + this.storeName = false; + this.edited = false; + } + } + + split(index) { + const sliceIndex = index - this.start; + + const originalBefore = this.original.slice(0, sliceIndex); + const originalAfter = this.original.slice(sliceIndex); + + this.original = originalBefore; + + const newChunk = new Chunk(index, this.end, originalAfter); + newChunk.outro = this.outro; + this.outro = ''; + + this.end = index; + + if (this.edited) { + // after split we should save the edit content record into the correct chunk + // to make sure sourcemap correct + // For example: + // ' test'.trim() + // split -> ' ' + 'test' + // ✔️ edit -> '' + 'test' + // ✖️ edit -> 'test' + '' + // TODO is this block necessary?... + newChunk.edit('', false); + this.content = ''; + } else { + this.content = originalBefore; + } + + newChunk.next = this.next; + if (newChunk.next) newChunk.next.previous = newChunk; + newChunk.previous = this; + this.next = newChunk; + + return newChunk; + } + + toString() { + return this.intro + this.content + this.outro; + } + + trimEnd(rx) { + this.outro = this.outro.replace(rx, ''); + if (this.outro.length) return true; + + const trimmed = this.content.replace(rx, ''); + + if (trimmed.length) { + if (trimmed !== this.content) { + this.split(this.start + trimmed.length).edit('', undefined, true); + if (this.edited) { + // save the change, if it has been edited + this.edit(trimmed, this.storeName, true); + } + } + return true; + } else { + this.edit('', undefined, true); + + this.intro = this.intro.replace(rx, ''); + if (this.intro.length) return true; + } + } + + trimStart(rx) { + this.intro = this.intro.replace(rx, ''); + if (this.intro.length) return true; + + const trimmed = this.content.replace(rx, ''); + + if (trimmed.length) { + if (trimmed !== this.content) { + const newChunk = this.split(this.end - trimmed.length); + if (this.edited) { + // save the change, if it has been edited + newChunk.edit(trimmed, this.storeName, true); + } + this.edit('', undefined, true); + } + return true; + } else { + this.edit('', undefined, true); + + this.outro = this.outro.replace(rx, ''); + if (this.outro.length) return true; + } + } + } + + // src/vlq.ts + var comma = ",".charCodeAt(0); + var semicolon = ";".charCodeAt(0); + var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + var intToChar = new Uint8Array(64); + var charToInt = new Uint8Array(128); + for (let i = 0; i < chars.length; i++) { + const c = chars.charCodeAt(i); + intToChar[i] = c; + charToInt[c] = i; + } + function encodeInteger(builder, num, relative) { + let delta = num - relative; + delta = delta < 0 ? -delta << 1 | 1 : delta << 1; + do { + let clamped = delta & 31; + delta >>>= 5; + if (delta > 0) clamped |= 32; + builder.write(intToChar[clamped]); + } while (delta > 0); + return num; + } + + // src/strings.ts + var bufLength = 1024 * 16; + var td = typeof TextDecoder !== "undefined" ? /* @__PURE__ */ new TextDecoder() : typeof Buffer !== "undefined" ? { + decode(buf) { + const out = Buffer.from(buf.buffer, buf.byteOffset, buf.byteLength); + return out.toString(); + } + } : { + decode(buf) { + let out = ""; + for (let i = 0; i < buf.length; i++) { + out += String.fromCharCode(buf[i]); + } + return out; + } + }; + var StringWriter = class { + constructor() { + this.pos = 0; + this.out = ""; + this.buffer = new Uint8Array(bufLength); + } + write(v) { + const { buffer } = this; + buffer[this.pos++] = v; + if (this.pos === bufLength) { + this.out += td.decode(buffer); + this.pos = 0; + } + } + flush() { + const { buffer, out, pos } = this; + return pos > 0 ? out + td.decode(buffer.subarray(0, pos)) : out; + } + }; + function encode(decoded) { + const writer = new StringWriter(); + let sourcesIndex = 0; + let sourceLine = 0; + let sourceColumn = 0; + let namesIndex = 0; + for (let i = 0; i < decoded.length; i++) { + const line = decoded[i]; + if (i > 0) writer.write(semicolon); + if (line.length === 0) continue; + let genColumn = 0; + for (let j = 0; j < line.length; j++) { + const segment = line[j]; + if (j > 0) writer.write(comma); + genColumn = encodeInteger(writer, segment[0], genColumn); + if (segment.length === 1) continue; + sourcesIndex = encodeInteger(writer, segment[1], sourcesIndex); + sourceLine = encodeInteger(writer, segment[2], sourceLine); + sourceColumn = encodeInteger(writer, segment[3], sourceColumn); + if (segment.length === 4) continue; + namesIndex = encodeInteger(writer, segment[4], namesIndex); + } + } + return writer.flush(); + } + + function getBtoa() { + if (typeof globalThis !== 'undefined' && typeof globalThis.btoa === 'function') { + return (str) => globalThis.btoa(unescape(encodeURIComponent(str))); + } else if (typeof Buffer === 'function') { + return (str) => Buffer.from(str, 'utf-8').toString('base64'); + } else { + return () => { + throw new Error('Unsupported environment: `window.btoa` or `Buffer` should be supported.'); + }; + } + } + + const btoa = /*#__PURE__*/ getBtoa(); + + class SourceMap { + constructor(properties) { + this.version = 3; + this.file = properties.file; + this.sources = properties.sources; + this.sourcesContent = properties.sourcesContent; + this.names = properties.names; + this.mappings = encode(properties.mappings); + if (typeof properties.x_google_ignoreList !== 'undefined') { + this.x_google_ignoreList = properties.x_google_ignoreList; + } + if (typeof properties.debugId !== 'undefined') { + this.debugId = properties.debugId; + } + } + + toString() { + return JSON.stringify(this); + } + + toUrl() { + return 'data:application/json;charset=utf-8;base64,' + btoa(this.toString()); + } + } + + function guessIndent(code) { + const lines = code.split('\n'); + + const tabbed = lines.filter((line) => /^\t+/.test(line)); + const spaced = lines.filter((line) => /^ {2,}/.test(line)); + + if (tabbed.length === 0 && spaced.length === 0) { + return null; + } + + // More lines tabbed than spaced? Assume tabs, and + // default to tabs in the case of a tie (or nothing + // to go on) + if (tabbed.length >= spaced.length) { + return '\t'; + } + + // Otherwise, we need to guess the multiple + const min = spaced.reduce((previous, current) => { + const numSpaces = /^ +/.exec(current)[0].length; + return Math.min(numSpaces, previous); + }, Infinity); + + return new Array(min + 1).join(' '); + } + + function getRelativePath(from, to) { + const fromParts = from.split(/[/\\]/); + const toParts = to.split(/[/\\]/); + + fromParts.pop(); // get dirname + + while (fromParts[0] === toParts[0]) { + fromParts.shift(); + toParts.shift(); + } + + if (fromParts.length) { + let i = fromParts.length; + while (i--) fromParts[i] = '..'; + } + + return fromParts.concat(toParts).join('/'); + } + + const toString = Object.prototype.toString; + + function isObject(thing) { + return toString.call(thing) === '[object Object]'; + } + + function getLocator(source) { + const originalLines = source.split('\n'); + const lineOffsets = []; + + for (let i = 0, pos = 0; i < originalLines.length; i++) { + lineOffsets.push(pos); + pos += originalLines[i].length + 1; + } + + return function locate(index) { + let i = 0; + let j = lineOffsets.length; + while (i < j) { + const m = (i + j) >> 1; + if (index < lineOffsets[m]) { + j = m; + } else { + i = m + 1; + } + } + const line = i - 1; + const column = index - lineOffsets[line]; + return { line, column }; + }; + } + + const wordRegex = /\w/; + + class Mappings { + constructor(hires) { + this.hires = hires; + this.generatedCodeLine = 0; + this.generatedCodeColumn = 0; + this.raw = []; + this.rawSegments = this.raw[this.generatedCodeLine] = []; + this.pending = null; + } + + addEdit(sourceIndex, content, loc, nameIndex) { + if (content.length) { + const contentLengthMinusOne = content.length - 1; + let contentLineEnd = content.indexOf('\n', 0); + let previousContentLineEnd = -1; + // Loop through each line in the content and add a segment, but stop if the last line is empty, + // else code afterwards would fill one line too many + while (contentLineEnd >= 0 && contentLengthMinusOne > contentLineEnd) { + const segment = [this.generatedCodeColumn, sourceIndex, loc.line, loc.column]; + if (nameIndex >= 0) { + segment.push(nameIndex); + } + this.rawSegments.push(segment); + + this.generatedCodeLine += 1; + this.raw[this.generatedCodeLine] = this.rawSegments = []; + this.generatedCodeColumn = 0; + + previousContentLineEnd = contentLineEnd; + contentLineEnd = content.indexOf('\n', contentLineEnd + 1); + } + + const segment = [this.generatedCodeColumn, sourceIndex, loc.line, loc.column]; + if (nameIndex >= 0) { + segment.push(nameIndex); + } + this.rawSegments.push(segment); + + this.advance(content.slice(previousContentLineEnd + 1)); + } else if (this.pending) { + this.rawSegments.push(this.pending); + this.advance(content); + } + + this.pending = null; + } + + addUneditedChunk(sourceIndex, chunk, original, loc, sourcemapLocations) { + let originalCharIndex = chunk.start; + let first = true; + // when iterating each char, check if it's in a word boundary + let charInHiresBoundary = false; + + while (originalCharIndex < chunk.end) { + if (original[originalCharIndex] === '\n') { + loc.line += 1; + loc.column = 0; + this.generatedCodeLine += 1; + this.raw[this.generatedCodeLine] = this.rawSegments = []; + this.generatedCodeColumn = 0; + first = true; + charInHiresBoundary = false; + } else { + if (this.hires || first || sourcemapLocations.has(originalCharIndex)) { + const segment = [this.generatedCodeColumn, sourceIndex, loc.line, loc.column]; + + if (this.hires === 'boundary') { + // in hires "boundary", group segments per word boundary than per char + if (wordRegex.test(original[originalCharIndex])) { + // for first char in the boundary found, start the boundary by pushing a segment + if (!charInHiresBoundary) { + this.rawSegments.push(segment); + charInHiresBoundary = true; + } + } else { + // for non-word char, end the boundary by pushing a segment + this.rawSegments.push(segment); + charInHiresBoundary = false; + } + } else { + this.rawSegments.push(segment); + } + } + + loc.column += 1; + this.generatedCodeColumn += 1; + first = false; + } + + originalCharIndex += 1; + } + + this.pending = null; + } + + advance(str) { + if (!str) return; + + const lines = str.split('\n'); + + if (lines.length > 1) { + for (let i = 0; i < lines.length - 1; i++) { + this.generatedCodeLine++; + this.raw[this.generatedCodeLine] = this.rawSegments = []; + } + this.generatedCodeColumn = 0; + } + + this.generatedCodeColumn += lines[lines.length - 1].length; + } + } + + const n = '\n'; + + const warned = { + insertLeft: false, + insertRight: false, + storeName: false, + }; + + class MagicString { + constructor(string, options = {}) { + const chunk = new Chunk(0, string.length, string); + + Object.defineProperties(this, { + original: { writable: true, value: string }, + outro: { writable: true, value: '' }, + intro: { writable: true, value: '' }, + firstChunk: { writable: true, value: chunk }, + lastChunk: { writable: true, value: chunk }, + lastSearchedChunk: { writable: true, value: chunk }, + byStart: { writable: true, value: {} }, + byEnd: { writable: true, value: {} }, + filename: { writable: true, value: options.filename }, + indentExclusionRanges: { writable: true, value: options.indentExclusionRanges }, + sourcemapLocations: { writable: true, value: new BitSet() }, + storedNames: { writable: true, value: {} }, + indentStr: { writable: true, value: undefined }, + ignoreList: { writable: true, value: options.ignoreList }, + offset: { writable: true, value: options.offset || 0 }, + }); + + this.byStart[0] = chunk; + this.byEnd[string.length] = chunk; + } + + addSourcemapLocation(char) { + this.sourcemapLocations.add(char); + } + + append(content) { + if (typeof content !== 'string') throw new TypeError('outro content must be a string'); + + this.outro += content; + return this; + } + + appendLeft(index, content) { + index = index + this.offset; + + if (typeof content !== 'string') throw new TypeError('inserted content must be a string'); + + this._split(index); + + const chunk = this.byEnd[index]; + + if (chunk) { + chunk.appendLeft(content); + } else { + this.intro += content; + } + return this; + } + + appendRight(index, content) { + index = index + this.offset; + + if (typeof content !== 'string') throw new TypeError('inserted content must be a string'); + + this._split(index); + + const chunk = this.byStart[index]; + + if (chunk) { + chunk.appendRight(content); + } else { + this.outro += content; + } + return this; + } + + clone() { + const cloned = new MagicString(this.original, { filename: this.filename, offset: this.offset }); + + let originalChunk = this.firstChunk; + let clonedChunk = (cloned.firstChunk = cloned.lastSearchedChunk = originalChunk.clone()); + + while (originalChunk) { + cloned.byStart[clonedChunk.start] = clonedChunk; + cloned.byEnd[clonedChunk.end] = clonedChunk; + + const nextOriginalChunk = originalChunk.next; + const nextClonedChunk = nextOriginalChunk && nextOriginalChunk.clone(); + + if (nextClonedChunk) { + clonedChunk.next = nextClonedChunk; + nextClonedChunk.previous = clonedChunk; + + clonedChunk = nextClonedChunk; + } + + originalChunk = nextOriginalChunk; + } + + cloned.lastChunk = clonedChunk; + + if (this.indentExclusionRanges) { + cloned.indentExclusionRanges = this.indentExclusionRanges.slice(); + } + + cloned.sourcemapLocations = new BitSet(this.sourcemapLocations); + + cloned.intro = this.intro; + cloned.outro = this.outro; + + return cloned; + } + + generateDecodedMap(options) { + options = options || {}; + + const sourceIndex = 0; + const names = Object.keys(this.storedNames); + const mappings = new Mappings(options.hires); + + const locate = getLocator(this.original); + + if (this.intro) { + mappings.advance(this.intro); + } + + this.firstChunk.eachNext((chunk) => { + const loc = locate(chunk.start); + + if (chunk.intro.length) mappings.advance(chunk.intro); + + if (chunk.edited) { + mappings.addEdit( + sourceIndex, + chunk.content, + loc, + chunk.storeName ? names.indexOf(chunk.original) : -1, + ); + } else { + mappings.addUneditedChunk(sourceIndex, chunk, this.original, loc, this.sourcemapLocations); + } + + if (chunk.outro.length) mappings.advance(chunk.outro); + }); + + if (this.outro) { + mappings.advance(this.outro); + } + + return { + file: options.file ? options.file.split(/[/\\]/).pop() : undefined, + sources: [ + options.source ? getRelativePath(options.file || '', options.source) : options.file || '', + ], + sourcesContent: options.includeContent ? [this.original] : undefined, + names, + mappings: mappings.raw, + x_google_ignoreList: this.ignoreList ? [sourceIndex] : undefined, + }; + } + + generateMap(options) { + return new SourceMap(this.generateDecodedMap(options)); + } + + _ensureindentStr() { + if (this.indentStr === undefined) { + this.indentStr = guessIndent(this.original); + } + } + + _getRawIndentString() { + this._ensureindentStr(); + return this.indentStr; + } + + getIndentString() { + this._ensureindentStr(); + return this.indentStr === null ? '\t' : this.indentStr; + } + + indent(indentStr, options) { + const pattern = /^[^\r\n]/gm; + + if (isObject(indentStr)) { + options = indentStr; + indentStr = undefined; + } + + if (indentStr === undefined) { + this._ensureindentStr(); + indentStr = this.indentStr || '\t'; + } + + if (indentStr === '') return this; // noop + + options = options || {}; + + // Process exclusion ranges + const isExcluded = {}; + + if (options.exclude) { + const exclusions = + typeof options.exclude[0] === 'number' ? [options.exclude] : options.exclude; + exclusions.forEach((exclusion) => { + for (let i = exclusion[0]; i < exclusion[1]; i += 1) { + isExcluded[i] = true; + } + }); + } + + let shouldIndentNextCharacter = options.indentStart !== false; + const replacer = (match) => { + if (shouldIndentNextCharacter) return `${indentStr}${match}`; + shouldIndentNextCharacter = true; + return match; + }; + + this.intro = this.intro.replace(pattern, replacer); + + let charIndex = 0; + let chunk = this.firstChunk; + + while (chunk) { + const end = chunk.end; + + if (chunk.edited) { + if (!isExcluded[charIndex]) { + chunk.content = chunk.content.replace(pattern, replacer); + + if (chunk.content.length) { + shouldIndentNextCharacter = chunk.content[chunk.content.length - 1] === '\n'; + } + } + } else { + charIndex = chunk.start; + + while (charIndex < end) { + if (!isExcluded[charIndex]) { + const char = this.original[charIndex]; + + if (char === '\n') { + shouldIndentNextCharacter = true; + } else if (char !== '\r' && shouldIndentNextCharacter) { + shouldIndentNextCharacter = false; + + if (charIndex === chunk.start) { + chunk.prependRight(indentStr); + } else { + this._splitChunk(chunk, charIndex); + chunk = chunk.next; + chunk.prependRight(indentStr); + } + } + } + + charIndex += 1; + } + } + + charIndex = chunk.end; + chunk = chunk.next; + } + + this.outro = this.outro.replace(pattern, replacer); + + return this; + } + + insert() { + throw new Error( + 'magicString.insert(...) is deprecated. Use prependRight(...) or appendLeft(...)', + ); + } + + insertLeft(index, content) { + if (!warned.insertLeft) { + console.warn( + 'magicString.insertLeft(...) is deprecated. Use magicString.appendLeft(...) instead', + ); + warned.insertLeft = true; + } + + return this.appendLeft(index, content); + } + + insertRight(index, content) { + if (!warned.insertRight) { + console.warn( + 'magicString.insertRight(...) is deprecated. Use magicString.prependRight(...) instead', + ); + warned.insertRight = true; + } + + return this.prependRight(index, content); + } + + move(start, end, index) { + start = start + this.offset; + end = end + this.offset; + index = index + this.offset; + + if (index >= start && index <= end) throw new Error('Cannot move a selection inside itself'); + + this._split(start); + this._split(end); + this._split(index); + + const first = this.byStart[start]; + const last = this.byEnd[end]; + + const oldLeft = first.previous; + const oldRight = last.next; + + const newRight = this.byStart[index]; + if (!newRight && last === this.lastChunk) return this; + const newLeft = newRight ? newRight.previous : this.lastChunk; + + if (oldLeft) oldLeft.next = oldRight; + if (oldRight) oldRight.previous = oldLeft; + + if (newLeft) newLeft.next = first; + if (newRight) newRight.previous = last; + + if (!first.previous) this.firstChunk = last.next; + if (!last.next) { + this.lastChunk = first.previous; + this.lastChunk.next = null; + } + + first.previous = newLeft; + last.next = newRight || null; + + if (!newLeft) this.firstChunk = first; + if (!newRight) this.lastChunk = last; + return this; + } + + overwrite(start, end, content, options) { + options = options || {}; + return this.update(start, end, content, { ...options, overwrite: !options.contentOnly }); + } + + update(start, end, content, options) { + start = start + this.offset; + end = end + this.offset; + + if (typeof content !== 'string') throw new TypeError('replacement content must be a string'); + + if (this.original.length !== 0) { + while (start < 0) start += this.original.length; + while (end < 0) end += this.original.length; + } + + if (end > this.original.length) throw new Error('end is out of bounds'); + if (start === end) + throw new Error( + 'Cannot overwrite a zero-length range – use appendLeft or prependRight instead', + ); + + this._split(start); + this._split(end); + + if (options === true) { + if (!warned.storeName) { + console.warn( + 'The final argument to magicString.overwrite(...) should be an options object. See https://github.com/rich-harris/magic-string', + ); + warned.storeName = true; + } + + options = { storeName: true }; + } + const storeName = options !== undefined ? options.storeName : false; + const overwrite = options !== undefined ? options.overwrite : false; + + if (storeName) { + const original = this.original.slice(start, end); + Object.defineProperty(this.storedNames, original, { + writable: true, + value: true, + enumerable: true, + }); + } + + const first = this.byStart[start]; + const last = this.byEnd[end]; + + if (first) { + let chunk = first; + while (chunk !== last) { + if (chunk.next !== this.byStart[chunk.end]) { + throw new Error('Cannot overwrite across a split point'); + } + chunk = chunk.next; + chunk.edit('', false); + } + + first.edit(content, storeName, !overwrite); + } else { + // must be inserting at the end + const newChunk = new Chunk(start, end, '').edit(content, storeName); + + // TODO last chunk in the array may not be the last chunk, if it's moved... + last.next = newChunk; + newChunk.previous = last; + } + return this; + } + + prepend(content) { + if (typeof content !== 'string') throw new TypeError('outro content must be a string'); + + this.intro = content + this.intro; + return this; + } + + prependLeft(index, content) { + index = index + this.offset; + + if (typeof content !== 'string') throw new TypeError('inserted content must be a string'); + + this._split(index); + + const chunk = this.byEnd[index]; + + if (chunk) { + chunk.prependLeft(content); + } else { + this.intro = content + this.intro; + } + return this; + } + + prependRight(index, content) { + index = index + this.offset; + + if (typeof content !== 'string') throw new TypeError('inserted content must be a string'); + + this._split(index); + + const chunk = this.byStart[index]; + + if (chunk) { + chunk.prependRight(content); + } else { + this.outro = content + this.outro; + } + return this; + } + + remove(start, end) { + start = start + this.offset; + end = end + this.offset; + + if (this.original.length !== 0) { + while (start < 0) start += this.original.length; + while (end < 0) end += this.original.length; + } + + if (start === end) return this; + + if (start < 0 || end > this.original.length) throw new Error('Character is out of bounds'); + if (start > end) throw new Error('end must be greater than start'); + + this._split(start); + this._split(end); + + let chunk = this.byStart[start]; + + while (chunk) { + chunk.intro = ''; + chunk.outro = ''; + chunk.edit(''); + + chunk = end > chunk.end ? this.byStart[chunk.end] : null; + } + return this; + } + + reset(start, end) { + start = start + this.offset; + end = end + this.offset; + + if (this.original.length !== 0) { + while (start < 0) start += this.original.length; + while (end < 0) end += this.original.length; + } + + if (start === end) return this; + + if (start < 0 || end > this.original.length) throw new Error('Character is out of bounds'); + if (start > end) throw new Error('end must be greater than start'); + + this._split(start); + this._split(end); + + let chunk = this.byStart[start]; + + while (chunk) { + chunk.reset(); + + chunk = end > chunk.end ? this.byStart[chunk.end] : null; + } + return this; + } + + lastChar() { + if (this.outro.length) return this.outro[this.outro.length - 1]; + let chunk = this.lastChunk; + do { + if (chunk.outro.length) return chunk.outro[chunk.outro.length - 1]; + if (chunk.content.length) return chunk.content[chunk.content.length - 1]; + if (chunk.intro.length) return chunk.intro[chunk.intro.length - 1]; + } while ((chunk = chunk.previous)); + if (this.intro.length) return this.intro[this.intro.length - 1]; + return ''; + } + + lastLine() { + let lineIndex = this.outro.lastIndexOf(n); + if (lineIndex !== -1) return this.outro.substr(lineIndex + 1); + let lineStr = this.outro; + let chunk = this.lastChunk; + do { + if (chunk.outro.length > 0) { + lineIndex = chunk.outro.lastIndexOf(n); + if (lineIndex !== -1) return chunk.outro.substr(lineIndex + 1) + lineStr; + lineStr = chunk.outro + lineStr; + } + + if (chunk.content.length > 0) { + lineIndex = chunk.content.lastIndexOf(n); + if (lineIndex !== -1) return chunk.content.substr(lineIndex + 1) + lineStr; + lineStr = chunk.content + lineStr; + } + + if (chunk.intro.length > 0) { + lineIndex = chunk.intro.lastIndexOf(n); + if (lineIndex !== -1) return chunk.intro.substr(lineIndex + 1) + lineStr; + lineStr = chunk.intro + lineStr; + } + } while ((chunk = chunk.previous)); + lineIndex = this.intro.lastIndexOf(n); + if (lineIndex !== -1) return this.intro.substr(lineIndex + 1) + lineStr; + return this.intro + lineStr; + } + + slice(start = 0, end = this.original.length - this.offset) { + start = start + this.offset; + end = end + this.offset; + + if (this.original.length !== 0) { + while (start < 0) start += this.original.length; + while (end < 0) end += this.original.length; + } + + let result = ''; + + // find start chunk + let chunk = this.firstChunk; + while (chunk && (chunk.start > start || chunk.end <= start)) { + // found end chunk before start + if (chunk.start < end && chunk.end >= end) { + return result; + } + + chunk = chunk.next; + } + + if (chunk && chunk.edited && chunk.start !== start) + throw new Error(`Cannot use replaced character ${start} as slice start anchor.`); + + const startChunk = chunk; + while (chunk) { + if (chunk.intro && (startChunk !== chunk || chunk.start === start)) { + result += chunk.intro; + } + + const containsEnd = chunk.start < end && chunk.end >= end; + if (containsEnd && chunk.edited && chunk.end !== end) + throw new Error(`Cannot use replaced character ${end} as slice end anchor.`); + + const sliceStart = startChunk === chunk ? start - chunk.start : 0; + const sliceEnd = containsEnd ? chunk.content.length + end - chunk.end : chunk.content.length; + + result += chunk.content.slice(sliceStart, sliceEnd); + + if (chunk.outro && (!containsEnd || chunk.end === end)) { + result += chunk.outro; + } + + if (containsEnd) { + break; + } + + chunk = chunk.next; + } + + return result; + } + + // TODO deprecate this? not really very useful + snip(start, end) { + const clone = this.clone(); + clone.remove(0, start); + clone.remove(end, clone.original.length); + + return clone; + } + + _split(index) { + if (this.byStart[index] || this.byEnd[index]) return; + + let chunk = this.lastSearchedChunk; + let previousChunk = chunk; + const searchForward = index > chunk.end; + + while (chunk) { + if (chunk.contains(index)) return this._splitChunk(chunk, index); + + chunk = searchForward ? this.byStart[chunk.end] : this.byEnd[chunk.start]; + + // Prevent infinite loop (e.g. via empty chunks, where start === end) + if (chunk === previousChunk) return; + + previousChunk = chunk; + } + } + + _splitChunk(chunk, index) { + if (chunk.edited && chunk.content.length) { + // zero-length edited chunks are a special case (overlapping replacements) + const loc = getLocator(this.original)(index); + throw new Error( + `Cannot split a chunk that has already been edited (${loc.line}:${loc.column} – "${chunk.original}")`, + ); + } + + const newChunk = chunk.split(index); + + this.byEnd[index] = chunk; + this.byStart[index] = newChunk; + this.byEnd[newChunk.end] = newChunk; + + if (chunk === this.lastChunk) this.lastChunk = newChunk; + + this.lastSearchedChunk = chunk; + return true; + } + + toString() { + let str = this.intro; + + let chunk = this.firstChunk; + while (chunk) { + str += chunk.toString(); + chunk = chunk.next; + } + + return str + this.outro; + } + + isEmpty() { + let chunk = this.firstChunk; + do { + if ( + (chunk.intro.length && chunk.intro.trim()) || + (chunk.content.length && chunk.content.trim()) || + (chunk.outro.length && chunk.outro.trim()) + ) + return false; + } while ((chunk = chunk.next)); + return true; + } + + length() { + let chunk = this.firstChunk; + let length = 0; + do { + length += chunk.intro.length + chunk.content.length + chunk.outro.length; + } while ((chunk = chunk.next)); + return length; + } + + trimLines() { + return this.trim('[\\r\\n]'); + } + + trim(charType) { + return this.trimStart(charType).trimEnd(charType); + } + + trimEndAborted(charType) { + const rx = new RegExp((charType || '\\s') + '+$'); + + this.outro = this.outro.replace(rx, ''); + if (this.outro.length) return true; + + let chunk = this.lastChunk; + + do { + const end = chunk.end; + const aborted = chunk.trimEnd(rx); + + // if chunk was trimmed, we have a new lastChunk + if (chunk.end !== end) { + if (this.lastChunk === chunk) { + this.lastChunk = chunk.next; + } + + this.byEnd[chunk.end] = chunk; + this.byStart[chunk.next.start] = chunk.next; + this.byEnd[chunk.next.end] = chunk.next; + } + + if (aborted) return true; + chunk = chunk.previous; + } while (chunk); + + return false; + } + + trimEnd(charType) { + this.trimEndAborted(charType); + return this; + } + trimStartAborted(charType) { + const rx = new RegExp('^' + (charType || '\\s') + '+'); + + this.intro = this.intro.replace(rx, ''); + if (this.intro.length) return true; + + let chunk = this.firstChunk; + + do { + const end = chunk.end; + const aborted = chunk.trimStart(rx); + + if (chunk.end !== end) { + // special case... + if (chunk === this.lastChunk) this.lastChunk = chunk.next; + + this.byEnd[chunk.end] = chunk; + this.byStart[chunk.next.start] = chunk.next; + this.byEnd[chunk.next.end] = chunk.next; + } + + if (aborted) return true; + chunk = chunk.next; + } while (chunk); + + return false; + } + + trimStart(charType) { + this.trimStartAborted(charType); + return this; + } + + hasChanged() { + return this.original !== this.toString(); + } + + _replaceRegexp(searchValue, replacement) { + function getReplacement(match, str) { + if (typeof replacement === 'string') { + return replacement.replace(/\$(\$|&|\d+)/g, (_, i) => { + // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/replace#specifying_a_string_as_a_parameter + if (i === '$') return '$'; + if (i === '&') return match[0]; + const num = +i; + if (num < match.length) return match[+i]; + return `$${i}`; + }); + } else { + return replacement(...match, match.index, str, match.groups); + } + } + function matchAll(re, str) { + let match; + const matches = []; + while ((match = re.exec(str))) { + matches.push(match); + } + return matches; + } + if (searchValue.global) { + const matches = matchAll(searchValue, this.original); + matches.forEach((match) => { + if (match.index != null) { + const replacement = getReplacement(match, this.original); + if (replacement !== match[0]) { + this.overwrite(match.index, match.index + match[0].length, replacement); + } + } + }); + } else { + const match = this.original.match(searchValue); + if (match && match.index != null) { + const replacement = getReplacement(match, this.original); + if (replacement !== match[0]) { + this.overwrite(match.index, match.index + match[0].length, replacement); + } + } + } + return this; + } + + _replaceString(string, replacement) { + const { original } = this; + const index = original.indexOf(string); + + if (index !== -1) { + if (typeof replacement === 'function') { + replacement = replacement(string, index, original); + } + if (string !== replacement) { + this.overwrite(index, index + string.length, replacement); + } + } + + return this; + } + + replace(searchValue, replacement) { + if (typeof searchValue === 'string') { + return this._replaceString(searchValue, replacement); + } + + return this._replaceRegexp(searchValue, replacement); + } + + _replaceAllString(string, replacement) { + const { original } = this; + const stringLength = string.length; + for ( + let index = original.indexOf(string); + index !== -1; + index = original.indexOf(string, index + stringLength) + ) { + const previous = original.slice(index, index + stringLength); + let _replacement = replacement; + if (typeof replacement === 'function') { + _replacement = replacement(previous, index, original); + } + if (previous !== _replacement) this.overwrite(index, index + stringLength, _replacement); + } + + return this; + } + + replaceAll(searchValue, replacement) { + if (typeof searchValue === 'string') { + return this._replaceAllString(searchValue, replacement); + } + + if (!searchValue.global) { + throw new TypeError( + 'MagicString.prototype.replaceAll called with a non-global RegExp argument', + ); + } + + return this._replaceRegexp(searchValue, replacement); + } + } + + const hasOwnProp = Object.prototype.hasOwnProperty; + + class Bundle { + constructor(options = {}) { + this.intro = options.intro || ''; + this.separator = options.separator !== undefined ? options.separator : '\n'; + this.sources = []; + this.uniqueSources = []; + this.uniqueSourceIndexByFilename = {}; + } + + addSource(source) { + if (source instanceof MagicString) { + return this.addSource({ + content: source, + filename: source.filename, + separator: this.separator, + }); + } + + if (!isObject(source) || !source.content) { + throw new Error( + 'bundle.addSource() takes an object with a `content` property, which should be an instance of MagicString, and an optional `filename`', + ); + } + + ['filename', 'ignoreList', 'indentExclusionRanges', 'separator'].forEach((option) => { + if (!hasOwnProp.call(source, option)) source[option] = source.content[option]; + }); + + if (source.separator === undefined) { + // TODO there's a bunch of this sort of thing, needs cleaning up + source.separator = this.separator; + } + + if (source.filename) { + if (!hasOwnProp.call(this.uniqueSourceIndexByFilename, source.filename)) { + this.uniqueSourceIndexByFilename[source.filename] = this.uniqueSources.length; + this.uniqueSources.push({ filename: source.filename, content: source.content.original }); + } else { + const uniqueSource = this.uniqueSources[this.uniqueSourceIndexByFilename[source.filename]]; + if (source.content.original !== uniqueSource.content) { + throw new Error(`Illegal source: same filename (${source.filename}), different contents`); + } + } + } + + this.sources.push(source); + return this; + } + + append(str, options) { + this.addSource({ + content: new MagicString(str), + separator: (options && options.separator) || '', + }); + + return this; + } + + clone() { + const bundle = new Bundle({ + intro: this.intro, + separator: this.separator, + }); + + this.sources.forEach((source) => { + bundle.addSource({ + filename: source.filename, + content: source.content.clone(), + separator: source.separator, + }); + }); + + return bundle; + } + + generateDecodedMap(options = {}) { + const names = []; + let x_google_ignoreList = undefined; + this.sources.forEach((source) => { + Object.keys(source.content.storedNames).forEach((name) => { + if (!~names.indexOf(name)) names.push(name); + }); + }); + + const mappings = new Mappings(options.hires); + + if (this.intro) { + mappings.advance(this.intro); + } + + this.sources.forEach((source, i) => { + if (i > 0) { + mappings.advance(this.separator); + } + + const sourceIndex = source.filename ? this.uniqueSourceIndexByFilename[source.filename] : -1; + const magicString = source.content; + const locate = getLocator(magicString.original); + + if (magicString.intro) { + mappings.advance(magicString.intro); + } + + magicString.firstChunk.eachNext((chunk) => { + const loc = locate(chunk.start); + + if (chunk.intro.length) mappings.advance(chunk.intro); + + if (source.filename) { + if (chunk.edited) { + mappings.addEdit( + sourceIndex, + chunk.content, + loc, + chunk.storeName ? names.indexOf(chunk.original) : -1, + ); + } else { + mappings.addUneditedChunk( + sourceIndex, + chunk, + magicString.original, + loc, + magicString.sourcemapLocations, + ); + } + } else { + mappings.advance(chunk.content); + } + + if (chunk.outro.length) mappings.advance(chunk.outro); + }); + + if (magicString.outro) { + mappings.advance(magicString.outro); + } + + if (source.ignoreList && sourceIndex !== -1) { + if (x_google_ignoreList === undefined) { + x_google_ignoreList = []; + } + x_google_ignoreList.push(sourceIndex); + } + }); + + return { + file: options.file ? options.file.split(/[/\\]/).pop() : undefined, + sources: this.uniqueSources.map((source) => { + return options.file ? getRelativePath(options.file, source.filename) : source.filename; + }), + sourcesContent: this.uniqueSources.map((source) => { + return options.includeContent ? source.content : null; + }), + names, + mappings: mappings.raw, + x_google_ignoreList, + }; + } + + generateMap(options) { + return new SourceMap(this.generateDecodedMap(options)); + } + + getIndentString() { + const indentStringCounts = {}; + + this.sources.forEach((source) => { + const indentStr = source.content._getRawIndentString(); + + if (indentStr === null) return; + + if (!indentStringCounts[indentStr]) indentStringCounts[indentStr] = 0; + indentStringCounts[indentStr] += 1; + }); + + return ( + Object.keys(indentStringCounts).sort((a, b) => { + return indentStringCounts[a] - indentStringCounts[b]; + })[0] || '\t' + ); + } + + indent(indentStr) { + if (!arguments.length) { + indentStr = this.getIndentString(); + } + + if (indentStr === '') return this; // noop + + let trailingNewline = !this.intro || this.intro.slice(-1) === '\n'; + + this.sources.forEach((source, i) => { + const separator = source.separator !== undefined ? source.separator : this.separator; + const indentStart = trailingNewline || (i > 0 && /\r?\n$/.test(separator)); + + source.content.indent(indentStr, { + exclude: source.indentExclusionRanges, + indentStart, //: trailingNewline || /\r?\n$/.test( separator ) //true///\r?\n/.test( separator ) + }); + + trailingNewline = source.content.lastChar() === '\n'; + }); + + if (this.intro) { + this.intro = + indentStr + + this.intro.replace(/^[^\n]/gm, (match, index) => { + return index > 0 ? indentStr + match : match; + }); + } + + return this; + } + + prepend(str) { + this.intro = str + this.intro; + return this; + } + + toString() { + const body = this.sources + .map((source, i) => { + const separator = source.separator !== undefined ? source.separator : this.separator; + const str = (i > 0 ? separator : '') + source.content.toString(); + + return str; + }) + .join(''); + + return this.intro + body; + } + + isEmpty() { + if (this.intro.length && this.intro.trim()) return false; + if (this.sources.some((source) => !source.content.isEmpty())) return false; + return true; + } + + length() { + return this.sources.reduce( + (length, source) => length + source.content.length(), + this.intro.length, + ); + } + + trimLines() { + return this.trim('[\\r\\n]'); + } + + trim(charType) { + return this.trimStart(charType).trimEnd(charType); + } + + trimStart(charType) { + const rx = new RegExp('^' + (charType || '\\s') + '+'); + this.intro = this.intro.replace(rx, ''); + + if (!this.intro) { + let source; + let i = 0; + + do { + source = this.sources[i++]; + if (!source) { + break; + } + } while (!source.content.trimStartAborted(charType)); + } + + return this; + } + + trimEnd(charType) { + const rx = new RegExp((charType || '\\s') + '+$'); + + let source; + let i = this.sources.length - 1; + + do { + source = this.sources[i--]; + if (!source) { + this.intro = this.intro.replace(rx, ''); + break; + } + } while (!source.content.trimEndAborted(charType)); + + return this; + } + } + + MagicString.Bundle = Bundle; + MagicString.SourceMap = SourceMap; + MagicString.default = MagicString; // work around TypeScript bug https://github.com/Rich-Harris/magic-string/pull/121 + + return MagicString; + +})); +//# sourceMappingURL=magic-string.umd.js.map -- cgit v1.2.3