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1311 lines
33 KiB
1311 lines
33 KiB
'use strict'; |
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var sourcemapCodec = require('sourcemap-codec'); |
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var BitSet = function BitSet(arg) { |
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this.bits = arg instanceof BitSet ? arg.bits.slice() : []; |
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}; |
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BitSet.prototype.add = function add (n) { |
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this.bits[n >> 5] |= 1 << (n & 31); |
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}; |
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BitSet.prototype.has = function has (n) { |
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return !!(this.bits[n >> 5] & (1 << (n & 31))); |
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}; |
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var Chunk = function Chunk(start, end, content) { |
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this.start = start; |
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this.end = end; |
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this.original = content; |
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this.intro = ''; |
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this.outro = ''; |
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this.content = content; |
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this.storeName = false; |
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this.edited = false; |
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// we make these non-enumerable, for sanity while debugging |
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Object.defineProperties(this, { |
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previous: { writable: true, value: null }, |
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next: { writable: true, value: null }, |
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}); |
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}; |
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Chunk.prototype.appendLeft = function appendLeft (content) { |
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this.outro += content; |
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}; |
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Chunk.prototype.appendRight = function appendRight (content) { |
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this.intro = this.intro + content; |
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}; |
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Chunk.prototype.clone = function clone () { |
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var chunk = new Chunk(this.start, this.end, this.original); |
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chunk.intro = this.intro; |
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chunk.outro = this.outro; |
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chunk.content = this.content; |
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chunk.storeName = this.storeName; |
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chunk.edited = this.edited; |
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return chunk; |
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}; |
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Chunk.prototype.contains = function contains (index) { |
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return this.start < index && index < this.end; |
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}; |
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Chunk.prototype.eachNext = function eachNext (fn) { |
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var chunk = this; |
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while (chunk) { |
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fn(chunk); |
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chunk = chunk.next; |
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} |
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}; |
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Chunk.prototype.eachPrevious = function eachPrevious (fn) { |
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var chunk = this; |
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while (chunk) { |
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fn(chunk); |
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chunk = chunk.previous; |
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} |
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}; |
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Chunk.prototype.edit = function edit (content, storeName, contentOnly) { |
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this.content = content; |
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if (!contentOnly) { |
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this.intro = ''; |
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this.outro = ''; |
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} |
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this.storeName = storeName; |
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this.edited = true; |
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return this; |
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}; |
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Chunk.prototype.prependLeft = function prependLeft (content) { |
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this.outro = content + this.outro; |
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}; |
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Chunk.prototype.prependRight = function prependRight (content) { |
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this.intro = content + this.intro; |
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}; |
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Chunk.prototype.split = function split (index) { |
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var sliceIndex = index - this.start; |
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var originalBefore = this.original.slice(0, sliceIndex); |
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var originalAfter = this.original.slice(sliceIndex); |
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this.original = originalBefore; |
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var newChunk = new Chunk(index, this.end, originalAfter); |
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newChunk.outro = this.outro; |
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this.outro = ''; |
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this.end = index; |
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if (this.edited) { |
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// TODO is this block necessary?... |
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newChunk.edit('', false); |
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this.content = ''; |
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} else { |
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this.content = originalBefore; |
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} |
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newChunk.next = this.next; |
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if (newChunk.next) { newChunk.next.previous = newChunk; } |
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newChunk.previous = this; |
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this.next = newChunk; |
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return newChunk; |
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}; |
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Chunk.prototype.toString = function toString () { |
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return this.intro + this.content + this.outro; |
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}; |
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Chunk.prototype.trimEnd = function trimEnd (rx) { |
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this.outro = this.outro.replace(rx, ''); |
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if (this.outro.length) { return true; } |
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var trimmed = this.content.replace(rx, ''); |
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if (trimmed.length) { |
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if (trimmed !== this.content) { |
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this.split(this.start + trimmed.length).edit('', undefined, true); |
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} |
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return true; |
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} else { |
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this.edit('', undefined, true); |
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this.intro = this.intro.replace(rx, ''); |
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if (this.intro.length) { return true; } |
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} |
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}; |
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Chunk.prototype.trimStart = function trimStart (rx) { |
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this.intro = this.intro.replace(rx, ''); |
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if (this.intro.length) { return true; } |
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var trimmed = this.content.replace(rx, ''); |
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if (trimmed.length) { |
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if (trimmed !== this.content) { |
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this.split(this.end - trimmed.length); |
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this.edit('', undefined, true); |
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} |
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return true; |
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} else { |
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this.edit('', undefined, true); |
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this.outro = this.outro.replace(rx, ''); |
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if (this.outro.length) { return true; } |
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} |
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}; |
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var btoa = function () { |
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throw new Error('Unsupported environment: `window.btoa` or `Buffer` should be supported.'); |
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}; |
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if (typeof window !== 'undefined' && typeof window.btoa === 'function') { |
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btoa = function (str) { return window.btoa(unescape(encodeURIComponent(str))); }; |
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} else if (typeof Buffer === 'function') { |
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btoa = function (str) { return Buffer.from(str, 'utf-8').toString('base64'); }; |
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} |
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var SourceMap = function SourceMap(properties) { |
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this.version = 3; |
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this.file = properties.file; |
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this.sources = properties.sources; |
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this.sourcesContent = properties.sourcesContent; |
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this.names = properties.names; |
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this.mappings = sourcemapCodec.encode(properties.mappings); |
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}; |
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SourceMap.prototype.toString = function toString () { |
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return JSON.stringify(this); |
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}; |
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SourceMap.prototype.toUrl = function toUrl () { |
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return 'data:application/json;charset=utf-8;base64,' + btoa(this.toString()); |
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}; |
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function guessIndent(code) { |
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var lines = code.split('\n'); |
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var tabbed = lines.filter(function (line) { return /^\t+/.test(line); }); |
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var spaced = lines.filter(function (line) { return /^ {2,}/.test(line); }); |
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if (tabbed.length === 0 && spaced.length === 0) { |
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return null; |
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} |
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// More lines tabbed than spaced? Assume tabs, and |
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// default to tabs in the case of a tie (or nothing |
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// to go on) |
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if (tabbed.length >= spaced.length) { |
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return '\t'; |
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} |
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// Otherwise, we need to guess the multiple |
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var min = spaced.reduce(function (previous, current) { |
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var numSpaces = /^ +/.exec(current)[0].length; |
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return Math.min(numSpaces, previous); |
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}, Infinity); |
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return new Array(min + 1).join(' '); |
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} |
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function getRelativePath(from, to) { |
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var fromParts = from.split(/[/\\]/); |
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var toParts = to.split(/[/\\]/); |
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fromParts.pop(); // get dirname |
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while (fromParts[0] === toParts[0]) { |
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fromParts.shift(); |
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toParts.shift(); |
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} |
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if (fromParts.length) { |
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var i = fromParts.length; |
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while (i--) { fromParts[i] = '..'; } |
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} |
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return fromParts.concat(toParts).join('/'); |
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} |
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var toString = Object.prototype.toString; |
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function isObject(thing) { |
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return toString.call(thing) === '[object Object]'; |
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} |
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function getLocator(source) { |
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var originalLines = source.split('\n'); |
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var lineOffsets = []; |
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for (var i = 0, pos = 0; i < originalLines.length; i++) { |
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lineOffsets.push(pos); |
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pos += originalLines[i].length + 1; |
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} |
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return function locate(index) { |
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var i = 0; |
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var j = lineOffsets.length; |
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while (i < j) { |
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var m = (i + j) >> 1; |
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if (index < lineOffsets[m]) { |
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j = m; |
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} else { |
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i = m + 1; |
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} |
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} |
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var line = i - 1; |
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var column = index - lineOffsets[line]; |
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return { line: line, column: column }; |
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}; |
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} |
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var Mappings = function Mappings(hires) { |
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this.hires = hires; |
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this.generatedCodeLine = 0; |
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this.generatedCodeColumn = 0; |
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this.raw = []; |
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this.rawSegments = this.raw[this.generatedCodeLine] = []; |
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this.pending = null; |
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}; |
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Mappings.prototype.addEdit = function addEdit (sourceIndex, content, loc, nameIndex) { |
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if (content.length) { |
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var segment = [this.generatedCodeColumn, sourceIndex, loc.line, loc.column]; |
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if (nameIndex >= 0) { |
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segment.push(nameIndex); |
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} |
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this.rawSegments.push(segment); |
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} else if (this.pending) { |
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this.rawSegments.push(this.pending); |
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} |
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this.advance(content); |
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this.pending = null; |
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}; |
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Mappings.prototype.addUneditedChunk = function addUneditedChunk (sourceIndex, chunk, original, loc, sourcemapLocations) { |
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var originalCharIndex = chunk.start; |
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var first = true; |
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while (originalCharIndex < chunk.end) { |
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if (this.hires || first || sourcemapLocations.has(originalCharIndex)) { |
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this.rawSegments.push([this.generatedCodeColumn, sourceIndex, loc.line, loc.column]); |
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} |
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if (original[originalCharIndex] === '\n') { |
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loc.line += 1; |
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loc.column = 0; |
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this.generatedCodeLine += 1; |
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this.raw[this.generatedCodeLine] = this.rawSegments = []; |
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this.generatedCodeColumn = 0; |
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first = true; |
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} else { |
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loc.column += 1; |
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this.generatedCodeColumn += 1; |
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first = false; |
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} |
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originalCharIndex += 1; |
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} |
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this.pending = null; |
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}; |
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Mappings.prototype.advance = function advance (str) { |
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if (!str) { return; } |
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var lines = str.split('\n'); |
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if (lines.length > 1) { |
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for (var i = 0; i < lines.length - 1; i++) { |
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this.generatedCodeLine++; |
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this.raw[this.generatedCodeLine] = this.rawSegments = []; |
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} |
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this.generatedCodeColumn = 0; |
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} |
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this.generatedCodeColumn += lines[lines.length - 1].length; |
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}; |
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var n = '\n'; |
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var warned = { |
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insertLeft: false, |
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insertRight: false, |
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storeName: false, |
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}; |
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var MagicString = function MagicString(string, options) { |
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if ( options === void 0 ) options = {}; |
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var chunk = new Chunk(0, string.length, string); |
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Object.defineProperties(this, { |
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original: { writable: true, value: string }, |
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outro: { writable: true, value: '' }, |
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intro: { writable: true, value: '' }, |
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firstChunk: { writable: true, value: chunk }, |
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lastChunk: { writable: true, value: chunk }, |
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lastSearchedChunk: { writable: true, value: chunk }, |
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byStart: { writable: true, value: {} }, |
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byEnd: { writable: true, value: {} }, |
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filename: { writable: true, value: options.filename }, |
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indentExclusionRanges: { writable: true, value: options.indentExclusionRanges }, |
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sourcemapLocations: { writable: true, value: new BitSet() }, |
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storedNames: { writable: true, value: {} }, |
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indentStr: { writable: true, value: guessIndent(string) }, |
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}); |
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this.byStart[0] = chunk; |
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this.byEnd[string.length] = chunk; |
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}; |
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MagicString.prototype.addSourcemapLocation = function addSourcemapLocation (char) { |
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this.sourcemapLocations.add(char); |
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}; |
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MagicString.prototype.append = function append (content) { |
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if (typeof content !== 'string') { throw new TypeError('outro content must be a string'); } |
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this.outro += content; |
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return this; |
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}; |
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MagicString.prototype.appendLeft = function appendLeft (index, content) { |
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if (typeof content !== 'string') { throw new TypeError('inserted content must be a string'); } |
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this._split(index); |
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var chunk = this.byEnd[index]; |
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if (chunk) { |
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chunk.appendLeft(content); |
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} else { |
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this.intro += content; |
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} |
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return this; |
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}; |
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MagicString.prototype.appendRight = function appendRight (index, content) { |
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if (typeof content !== 'string') { throw new TypeError('inserted content must be a string'); } |
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this._split(index); |
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var chunk = this.byStart[index]; |
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if (chunk) { |
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chunk.appendRight(content); |
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} else { |
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this.outro += content; |
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} |
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return this; |
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}; |
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MagicString.prototype.clone = function clone () { |
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var cloned = new MagicString(this.original, { filename: this.filename }); |
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var originalChunk = this.firstChunk; |
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var clonedChunk = (cloned.firstChunk = cloned.lastSearchedChunk = originalChunk.clone()); |
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while (originalChunk) { |
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cloned.byStart[clonedChunk.start] = clonedChunk; |
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cloned.byEnd[clonedChunk.end] = clonedChunk; |
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var nextOriginalChunk = originalChunk.next; |
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var nextClonedChunk = nextOriginalChunk && nextOriginalChunk.clone(); |
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if (nextClonedChunk) { |
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clonedChunk.next = nextClonedChunk; |
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nextClonedChunk.previous = clonedChunk; |
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clonedChunk = nextClonedChunk; |
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} |
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originalChunk = nextOriginalChunk; |
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} |
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cloned.lastChunk = clonedChunk; |
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if (this.indentExclusionRanges) { |
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cloned.indentExclusionRanges = this.indentExclusionRanges.slice(); |
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} |
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cloned.sourcemapLocations = new BitSet(this.sourcemapLocations); |
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cloned.intro = this.intro; |
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cloned.outro = this.outro; |
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return cloned; |
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}; |
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MagicString.prototype.generateDecodedMap = function generateDecodedMap (options) { |
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var this$1$1 = this; |
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options = options || {}; |
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var sourceIndex = 0; |
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var names = Object.keys(this.storedNames); |
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var mappings = new Mappings(options.hires); |
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var locate = getLocator(this.original); |
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if (this.intro) { |
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mappings.advance(this.intro); |
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} |
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this.firstChunk.eachNext(function (chunk) { |
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var loc = locate(chunk.start); |
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if (chunk.intro.length) { mappings.advance(chunk.intro); } |
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if (chunk.edited) { |
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mappings.addEdit( |
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sourceIndex, |
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chunk.content, |
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loc, |
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chunk.storeName ? names.indexOf(chunk.original) : -1 |
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); |
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} else { |
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mappings.addUneditedChunk(sourceIndex, chunk, this$1$1.original, loc, this$1$1.sourcemapLocations); |
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} |
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if (chunk.outro.length) { mappings.advance(chunk.outro); } |
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}); |
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return { |
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file: options.file ? options.file.split(/[/\\]/).pop() : null, |
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sources: [options.source ? getRelativePath(options.file || '', options.source) : null], |
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sourcesContent: options.includeContent ? [this.original] : [null], |
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names: names, |
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mappings: mappings.raw, |
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}; |
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}; |
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MagicString.prototype.generateMap = function generateMap (options) { |
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return new SourceMap(this.generateDecodedMap(options)); |
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}; |
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MagicString.prototype.getIndentString = function getIndentString () { |
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return this.indentStr === null ? '\t' : this.indentStr; |
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}; |
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MagicString.prototype.indent = function indent (indentStr, options) { |
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var pattern = /^[^\r\n]/gm; |
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if (isObject(indentStr)) { |
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options = indentStr; |
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indentStr = undefined; |
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} |
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indentStr = indentStr !== undefined ? indentStr : this.indentStr || '\t'; |
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if (indentStr === '') { return this; } // noop |
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options = options || {}; |
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|
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// Process exclusion ranges |
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var isExcluded = {}; |
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if (options.exclude) { |
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var exclusions = |
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typeof options.exclude[0] === 'number' ? [options.exclude] : options.exclude; |
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exclusions.forEach(function (exclusion) { |
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for (var i = exclusion[0]; i < exclusion[1]; i += 1) { |
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isExcluded[i] = true; |
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} |
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}); |
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} |
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var shouldIndentNextCharacter = options.indentStart !== false; |
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var replacer = function (match) { |
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if (shouldIndentNextCharacter) { return ("" + indentStr + match); } |
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shouldIndentNextCharacter = true; |
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return match; |
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}; |
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this.intro = this.intro.replace(pattern, replacer); |
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|
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var charIndex = 0; |
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var chunk = this.firstChunk; |
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|
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while (chunk) { |
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var end = chunk.end; |
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|
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if (chunk.edited) { |
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if (!isExcluded[charIndex]) { |
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chunk.content = chunk.content.replace(pattern, replacer); |
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|
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if (chunk.content.length) { |
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shouldIndentNextCharacter = chunk.content[chunk.content.length - 1] === '\n'; |
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} |
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} |
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} else { |
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charIndex = chunk.start; |
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|
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while (charIndex < end) { |
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if (!isExcluded[charIndex]) { |
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var char = this.original[charIndex]; |
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|
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if (char === '\n') { |
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shouldIndentNextCharacter = true; |
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} else if (char !== '\r' && shouldIndentNextCharacter) { |
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shouldIndentNextCharacter = false; |
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|
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if (charIndex === chunk.start) { |
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chunk.prependRight(indentStr); |
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} else { |
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this._splitChunk(chunk, charIndex); |
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chunk = chunk.next; |
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chunk.prependRight(indentStr); |
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} |
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} |
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} |
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charIndex += 1; |
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} |
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} |
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charIndex = chunk.end; |
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chunk = chunk.next; |
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} |
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this.outro = this.outro.replace(pattern, replacer); |
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|
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return this; |
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}; |
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|
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MagicString.prototype.insert = function insert () { |
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throw new Error( |
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'magicString.insert(...) is deprecated. Use prependRight(...) or appendLeft(...)' |
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); |
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}; |
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|
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MagicString.prototype.insertLeft = function insertLeft (index, content) { |
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if (!warned.insertLeft) { |
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console.warn( |
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'magicString.insertLeft(...) is deprecated. Use magicString.appendLeft(...) instead' |
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); // eslint-disable-line no-console |
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warned.insertLeft = true; |
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} |
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return this.appendLeft(index, content); |
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}; |
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|
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MagicString.prototype.insertRight = function insertRight (index, content) { |
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if (!warned.insertRight) { |
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console.warn( |
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'magicString.insertRight(...) is deprecated. Use magicString.prependRight(...) instead' |
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); // eslint-disable-line no-console |
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warned.insertRight = true; |
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} |
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|
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return this.prependRight(index, content); |
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}; |
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|
|
MagicString.prototype.move = function move (start, end, index) { |
|
if (index >= start && index <= end) { throw new Error('Cannot move a selection inside itself'); } |
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|
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this._split(start); |
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this._split(end); |
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this._split(index); |
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|
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var first = this.byStart[start]; |
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var last = this.byEnd[end]; |
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|
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var oldLeft = first.previous; |
|
var oldRight = last.next; |
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|
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var newRight = this.byStart[index]; |
|
if (!newRight && last === this.lastChunk) { return this; } |
|
var newLeft = newRight ? newRight.previous : this.lastChunk; |
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|
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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; |
|
}; |
|
|
|
MagicString.prototype.overwrite = function overwrite (start, end, content, options) { |
|
if (typeof content !== 'string') { throw new TypeError('replacement content must be a string'); } |
|
|
|
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' |
|
); // eslint-disable-line no-console |
|
warned.storeName = true; |
|
} |
|
|
|
options = { storeName: true }; |
|
} |
|
var storeName = options !== undefined ? options.storeName : false; |
|
var contentOnly = options !== undefined ? options.contentOnly : false; |
|
|
|
if (storeName) { |
|
var original = this.original.slice(start, end); |
|
Object.defineProperty(this.storedNames, original, { writable: true, value: true, enumerable: true }); |
|
} |
|
|
|
var first = this.byStart[start]; |
|
var last = this.byEnd[end]; |
|
|
|
if (first) { |
|
var 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, contentOnly); |
|
} else { |
|
// must be inserting at the end |
|
var 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; |
|
}; |
|
|
|
MagicString.prototype.prepend = function prepend (content) { |
|
if (typeof content !== 'string') { throw new TypeError('outro content must be a string'); } |
|
|
|
this.intro = content + this.intro; |
|
return this; |
|
}; |
|
|
|
MagicString.prototype.prependLeft = function prependLeft (index, content) { |
|
if (typeof content !== 'string') { throw new TypeError('inserted content must be a string'); } |
|
|
|
this._split(index); |
|
|
|
var chunk = this.byEnd[index]; |
|
|
|
if (chunk) { |
|
chunk.prependLeft(content); |
|
} else { |
|
this.intro = content + this.intro; |
|
} |
|
return this; |
|
}; |
|
|
|
MagicString.prototype.prependRight = function prependRight (index, content) { |
|
if (typeof content !== 'string') { throw new TypeError('inserted content must be a string'); } |
|
|
|
this._split(index); |
|
|
|
var chunk = this.byStart[index]; |
|
|
|
if (chunk) { |
|
chunk.prependRight(content); |
|
} else { |
|
this.outro = content + this.outro; |
|
} |
|
return this; |
|
}; |
|
|
|
MagicString.prototype.remove = function remove (start, end) { |
|
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); |
|
|
|
var chunk = this.byStart[start]; |
|
|
|
while (chunk) { |
|
chunk.intro = ''; |
|
chunk.outro = ''; |
|
chunk.edit(''); |
|
|
|
chunk = end > chunk.end ? this.byStart[chunk.end] : null; |
|
} |
|
return this; |
|
}; |
|
|
|
MagicString.prototype.lastChar = function lastChar () { |
|
if (this.outro.length) { return this.outro[this.outro.length - 1]; } |
|
var 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 ''; |
|
}; |
|
|
|
MagicString.prototype.lastLine = function lastLine () { |
|
var lineIndex = this.outro.lastIndexOf(n); |
|
if (lineIndex !== -1) { return this.outro.substr(lineIndex + 1); } |
|
var lineStr = this.outro; |
|
var 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; |
|
}; |
|
|
|
MagicString.prototype.slice = function slice (start, end) { |
|
if ( start === void 0 ) start = 0; |
|
if ( end === void 0 ) end = this.original.length; |
|
|
|
while (start < 0) { start += this.original.length; } |
|
while (end < 0) { end += this.original.length; } |
|
|
|
var result = ''; |
|
|
|
// find start chunk |
|
var 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.")); } |
|
|
|
var startChunk = chunk; |
|
while (chunk) { |
|
if (chunk.intro && (startChunk !== chunk || chunk.start === start)) { |
|
result += chunk.intro; |
|
} |
|
|
|
var 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.")); } |
|
|
|
var sliceStart = startChunk === chunk ? start - chunk.start : 0; |
|
var 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 |
|
MagicString.prototype.snip = function snip (start, end) { |
|
var clone = this.clone(); |
|
clone.remove(0, start); |
|
clone.remove(end, clone.original.length); |
|
|
|
return clone; |
|
}; |
|
|
|
MagicString.prototype._split = function _split (index) { |
|
if (this.byStart[index] || this.byEnd[index]) { return; } |
|
|
|
var chunk = this.lastSearchedChunk; |
|
var 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]; |
|
} |
|
}; |
|
|
|
MagicString.prototype._splitChunk = function _splitChunk (chunk, index) { |
|
if (chunk.edited && chunk.content.length) { |
|
// zero-length edited chunks are a special case (overlapping replacements) |
|
var loc = getLocator(this.original)(index); |
|
throw new Error( |
|
("Cannot split a chunk that has already been edited (" + (loc.line) + ":" + (loc.column) + " – \"" + (chunk.original) + "\")") |
|
); |
|
} |
|
|
|
var 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; |
|
}; |
|
|
|
MagicString.prototype.toString = function toString () { |
|
var str = this.intro; |
|
|
|
var chunk = this.firstChunk; |
|
while (chunk) { |
|
str += chunk.toString(); |
|
chunk = chunk.next; |
|
} |
|
|
|
return str + this.outro; |
|
}; |
|
|
|
MagicString.prototype.isEmpty = function isEmpty () { |
|
var 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; |
|
}; |
|
|
|
MagicString.prototype.length = function length () { |
|
var chunk = this.firstChunk; |
|
var length = 0; |
|
do { |
|
length += chunk.intro.length + chunk.content.length + chunk.outro.length; |
|
} while ((chunk = chunk.next)); |
|
return length; |
|
}; |
|
|
|
MagicString.prototype.trimLines = function trimLines () { |
|
return this.trim('[\\r\\n]'); |
|
}; |
|
|
|
MagicString.prototype.trim = function trim (charType) { |
|
return this.trimStart(charType).trimEnd(charType); |
|
}; |
|
|
|
MagicString.prototype.trimEndAborted = function trimEndAborted (charType) { |
|
var rx = new RegExp((charType || '\\s') + '+$'); |
|
|
|
this.outro = this.outro.replace(rx, ''); |
|
if (this.outro.length) { return true; } |
|
|
|
var chunk = this.lastChunk; |
|
|
|
do { |
|
var end = chunk.end; |
|
var 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; |
|
}; |
|
|
|
MagicString.prototype.trimEnd = function trimEnd (charType) { |
|
this.trimEndAborted(charType); |
|
return this; |
|
}; |
|
MagicString.prototype.trimStartAborted = function trimStartAborted (charType) { |
|
var rx = new RegExp('^' + (charType || '\\s') + '+'); |
|
|
|
this.intro = this.intro.replace(rx, ''); |
|
if (this.intro.length) { return true; } |
|
|
|
var chunk = this.firstChunk; |
|
|
|
do { |
|
var end = chunk.end; |
|
var 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; |
|
}; |
|
|
|
MagicString.prototype.trimStart = function trimStart (charType) { |
|
this.trimStartAborted(charType); |
|
return this; |
|
}; |
|
|
|
var hasOwnProp = Object.prototype.hasOwnProperty; |
|
|
|
var Bundle = function Bundle(options) { |
|
if ( options === void 0 ) options = {}; |
|
|
|
this.intro = options.intro || ''; |
|
this.separator = options.separator !== undefined ? options.separator : '\n'; |
|
this.sources = []; |
|
this.uniqueSources = []; |
|
this.uniqueSourceIndexByFilename = {}; |
|
}; |
|
|
|
Bundle.prototype.addSource = function 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', 'indentExclusionRanges', 'separator'].forEach(function (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 { |
|
var 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; |
|
}; |
|
|
|
Bundle.prototype.append = function append (str, options) { |
|
this.addSource({ |
|
content: new MagicString(str), |
|
separator: (options && options.separator) || '', |
|
}); |
|
|
|
return this; |
|
}; |
|
|
|
Bundle.prototype.clone = function clone () { |
|
var bundle = new Bundle({ |
|
intro: this.intro, |
|
separator: this.separator, |
|
}); |
|
|
|
this.sources.forEach(function (source) { |
|
bundle.addSource({ |
|
filename: source.filename, |
|
content: source.content.clone(), |
|
separator: source.separator, |
|
}); |
|
}); |
|
|
|
return bundle; |
|
}; |
|
|
|
Bundle.prototype.generateDecodedMap = function generateDecodedMap (options) { |
|
var this$1$1 = this; |
|
if ( options === void 0 ) options = {}; |
|
|
|
var names = []; |
|
this.sources.forEach(function (source) { |
|
Object.keys(source.content.storedNames).forEach(function (name) { |
|
if (!~names.indexOf(name)) { names.push(name); } |
|
}); |
|
}); |
|
|
|
var mappings = new Mappings(options.hires); |
|
|
|
if (this.intro) { |
|
mappings.advance(this.intro); |
|
} |
|
|
|
this.sources.forEach(function (source, i) { |
|
if (i > 0) { |
|
mappings.advance(this$1$1.separator); |
|
} |
|
|
|
var sourceIndex = source.filename ? this$1$1.uniqueSourceIndexByFilename[source.filename] : -1; |
|
var magicString = source.content; |
|
var locate = getLocator(magicString.original); |
|
|
|
if (magicString.intro) { |
|
mappings.advance(magicString.intro); |
|
} |
|
|
|
magicString.firstChunk.eachNext(function (chunk) { |
|
var 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); |
|
} |
|
}); |
|
|
|
return { |
|
file: options.file ? options.file.split(/[/\\]/).pop() : null, |
|
sources: this.uniqueSources.map(function (source) { |
|
return options.file ? getRelativePath(options.file, source.filename) : source.filename; |
|
}), |
|
sourcesContent: this.uniqueSources.map(function (source) { |
|
return options.includeContent ? source.content : null; |
|
}), |
|
names: names, |
|
mappings: mappings.raw, |
|
}; |
|
}; |
|
|
|
Bundle.prototype.generateMap = function generateMap (options) { |
|
return new SourceMap(this.generateDecodedMap(options)); |
|
}; |
|
|
|
Bundle.prototype.getIndentString = function getIndentString () { |
|
var indentStringCounts = {}; |
|
|
|
this.sources.forEach(function (source) { |
|
var indentStr = source.content.indentStr; |
|
|
|
if (indentStr === null) { return; } |
|
|
|
if (!indentStringCounts[indentStr]) { indentStringCounts[indentStr] = 0; } |
|
indentStringCounts[indentStr] += 1; |
|
}); |
|
|
|
return ( |
|
Object.keys(indentStringCounts).sort(function (a, b) { |
|
return indentStringCounts[a] - indentStringCounts[b]; |
|
})[0] || '\t' |
|
); |
|
}; |
|
|
|
Bundle.prototype.indent = function indent (indentStr) { |
|
var this$1$1 = this; |
|
|
|
if (!arguments.length) { |
|
indentStr = this.getIndentString(); |
|
} |
|
|
|
if (indentStr === '') { return this; } // noop |
|
|
|
var trailingNewline = !this.intro || this.intro.slice(-1) === '\n'; |
|
|
|
this.sources.forEach(function (source, i) { |
|
var separator = source.separator !== undefined ? source.separator : this$1$1.separator; |
|
var indentStart = trailingNewline || (i > 0 && /\r?\n$/.test(separator)); |
|
|
|
source.content.indent(indentStr, { |
|
exclude: source.indentExclusionRanges, |
|
indentStart: 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, function (match, index) { |
|
return index > 0 ? indentStr + match : match; |
|
}); |
|
} |
|
|
|
return this; |
|
}; |
|
|
|
Bundle.prototype.prepend = function prepend (str) { |
|
this.intro = str + this.intro; |
|
return this; |
|
}; |
|
|
|
Bundle.prototype.toString = function toString () { |
|
var this$1$1 = this; |
|
|
|
var body = this.sources |
|
.map(function (source, i) { |
|
var separator = source.separator !== undefined ? source.separator : this$1$1.separator; |
|
var str = (i > 0 ? separator : '') + source.content.toString(); |
|
|
|
return str; |
|
}) |
|
.join(''); |
|
|
|
return this.intro + body; |
|
}; |
|
|
|
Bundle.prototype.isEmpty = function isEmpty () { |
|
if (this.intro.length && this.intro.trim()) { return false; } |
|
if (this.sources.some(function (source) { return !source.content.isEmpty(); })) { return false; } |
|
return true; |
|
}; |
|
|
|
Bundle.prototype.length = function length () { |
|
return this.sources.reduce( |
|
function (length, source) { return length + source.content.length(); }, |
|
this.intro.length |
|
); |
|
}; |
|
|
|
Bundle.prototype.trimLines = function trimLines () { |
|
return this.trim('[\\r\\n]'); |
|
}; |
|
|
|
Bundle.prototype.trim = function trim (charType) { |
|
return this.trimStart(charType).trimEnd(charType); |
|
}; |
|
|
|
Bundle.prototype.trimStart = function trimStart (charType) { |
|
var rx = new RegExp('^' + (charType || '\\s') + '+'); |
|
this.intro = this.intro.replace(rx, ''); |
|
|
|
if (!this.intro) { |
|
var source; |
|
var i = 0; |
|
|
|
do { |
|
source = this.sources[i++]; |
|
if (!source) { |
|
break; |
|
} |
|
} while (!source.content.trimStartAborted(charType)); |
|
} |
|
|
|
return this; |
|
}; |
|
|
|
Bundle.prototype.trimEnd = function trimEnd (charType) { |
|
var rx = new RegExp((charType || '\\s') + '+$'); |
|
|
|
var source; |
|
var 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 |
|
|
|
module.exports = MagicString; |
|
//# sourceMappingURL=magic-string.cjs.js.map
|
|
|