1314 lines
33 KiB
JavaScript
Executable file
1314 lines
33 KiB
JavaScript
Executable file
'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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||
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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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||
|
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var nextOriginalChunk = originalChunk.next;
|
||
var nextClonedChunk = nextOriginalChunk && nextOriginalChunk.clone();
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||
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if (nextClonedChunk) {
|
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clonedChunk.next = nextClonedChunk;
|
||
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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||
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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;
|
||
|
||
return cloned;
|
||
};
|
||
|
||
MagicString.prototype.generateDecodedMap = function generateDecodedMap (options) {
|
||
var this$1 = this;
|
||
|
||
options = options || {};
|
||
|
||
var sourceIndex = 0;
|
||
var names = Object.keys(this.storedNames);
|
||
var mappings = new Mappings(options.hires);
|
||
|
||
var locate = getLocator(this.original);
|
||
|
||
if (this.intro) {
|
||
mappings.advance(this.intro);
|
||
}
|
||
|
||
this.firstChunk.eachNext(function (chunk) {
|
||
var 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$1.original, loc, this$1.sourcemapLocations);
|
||
}
|
||
|
||
if (chunk.outro.length) { mappings.advance(chunk.outro); }
|
||
});
|
||
|
||
return {
|
||
file: options.file ? options.file.split(/[/\\]/).pop() : null,
|
||
sources: [options.source ? getRelativePath(options.file || '', options.source) : null],
|
||
sourcesContent: options.includeContent ? [this.original] : [null],
|
||
names: names,
|
||
mappings: mappings.raw
|
||
};
|
||
};
|
||
|
||
MagicString.prototype.generateMap = function generateMap (options) {
|
||
return new SourceMap(this.generateDecodedMap(options));
|
||
};
|
||
|
||
MagicString.prototype.getIndentString = function getIndentString () {
|
||
return this.indentStr === null ? '\t' : this.indentStr;
|
||
};
|
||
|
||
MagicString.prototype.indent = function indent (indentStr, options) {
|
||
var pattern = /^[^\r\n]/gm;
|
||
|
||
if (isObject(indentStr)) {
|
||
options = indentStr;
|
||
indentStr = undefined;
|
||
}
|
||
|
||
indentStr = indentStr !== undefined ? indentStr : this.indentStr || '\t';
|
||
|
||
if (indentStr === '') { return this; } // noop
|
||
|
||
options = options || {};
|
||
|
||
// Process exclusion ranges
|
||
var isExcluded = {};
|
||
|
||
if (options.exclude) {
|
||
var exclusions =
|
||
typeof options.exclude[0] === 'number' ? [options.exclude] : options.exclude;
|
||
exclusions.forEach(function (exclusion) {
|
||
for (var i = exclusion[0]; i < exclusion[1]; i += 1) {
|
||
isExcluded[i] = true;
|
||
}
|
||
});
|
||
}
|
||
|
||
var shouldIndentNextCharacter = options.indentStart !== false;
|
||
var replacer = function (match) {
|
||
if (shouldIndentNextCharacter) { return ("" + indentStr + match); }
|
||
shouldIndentNextCharacter = true;
|
||
return match;
|
||
};
|
||
|
||
this.intro = this.intro.replace(pattern, replacer);
|
||
|
||
var charIndex = 0;
|
||
var chunk = this.firstChunk;
|
||
|
||
while (chunk) {
|
||
var 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]) {
|
||
var 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;
|
||
};
|
||
|
||
MagicString.prototype.insert = function insert () {
|
||
throw new Error('magicString.insert(...) is deprecated. Use prependRight(...) or appendLeft(...)');
|
||
};
|
||
|
||
MagicString.prototype.insertLeft = function insertLeft (index, content) {
|
||
if (!warned.insertLeft) {
|
||
console.warn('magicString.insertLeft(...) is deprecated. Use magicString.appendLeft(...) instead'); // eslint-disable-line no-console
|
||
warned.insertLeft = true;
|
||
}
|
||
|
||
return this.appendLeft(index, content);
|
||
};
|
||
|
||
MagicString.prototype.insertRight = function insertRight (index, content) {
|
||
if (!warned.insertRight) {
|
||
console.warn('magicString.insertRight(...) is deprecated. Use magicString.prependRight(...) instead'); // eslint-disable-line no-console
|
||
warned.insertRight = true;
|
||
}
|
||
|
||
return this.prependRight(index, content);
|
||
};
|
||
|
||
MagicString.prototype.move = function move (start, end, index) {
|
||
if (index >= start && index <= end) { throw new Error('Cannot move a selection inside itself'); }
|
||
|
||
this._split(start);
|
||
this._split(end);
|
||
this._split(index);
|
||
|
||
var first = this.byStart[start];
|
||
var last = this.byEnd[end];
|
||
|
||
var oldLeft = first.previous;
|
||
var oldRight = last.next;
|
||
|
||
var newRight = this.byStart[index];
|
||
if (!newRight && last === this.lastChunk) { return this; }
|
||
var 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;
|
||
};
|
||
|
||
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);
|
||
this.storedNames[original] = true;
|
||
}
|
||
|
||
var first = this.byStart[start];
|
||
var last = this.byEnd[end];
|
||
|
||
if (first) {
|
||
if (end > first.end && first.next !== this.byStart[first.end]) {
|
||
throw new Error('Cannot overwrite across a split point');
|
||
}
|
||
|
||
first.edit(content, storeName, contentOnly);
|
||
|
||
if (first !== last) {
|
||
var chunk = first.next;
|
||
while (chunk !== last) {
|
||
chunk.edit('', false);
|
||
chunk = chunk.next;
|
||
}
|
||
|
||
chunk.edit('', false);
|
||
}
|
||
} 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 = 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.separator);
|
||
}
|
||
|
||
var sourceIndex = source.filename ? this$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 = 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$1.separator;
|
||
var indentStart = trailingNewline || (i > 0 && /\r?\n$/.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 = this;
|
||
|
||
var body = this.sources
|
||
.map(function (source, i) {
|
||
var separator = source.separator !== undefined ? source.separator : this$1.separator;
|
||
var str = (i > 0 ? separator : '') + source.content.toString();
|
||
|
||
return str;
|
||
})
|
||
.join('');
|
||
|
||
return this.intro + body;
|
||
};
|
||
|
||
Bundle.prototype.isEmpty = function isEmpty () {
|
||
if (this.intro.length && this.intro.trim())
|
||
{ return false; }
|
||
if (this.sources.some(function (source) { return !source.content.isEmpty(); }))
|
||
{ return false; }
|
||
return true;
|
||
};
|
||
|
||
Bundle.prototype.length = function length () {
|
||
return this.sources.reduce(function (length, source) { return length + source.content.length(); }, this.intro.length);
|
||
};
|
||
|
||
Bundle.prototype.trimLines = function trimLines () {
|
||
return this.trim('[\\r\\n]');
|
||
};
|
||
|
||
Bundle.prototype.trim = function trim (charType) {
|
||
return this.trimStart(charType).trimEnd(charType);
|
||
};
|
||
|
||
Bundle.prototype.trimStart = function trimStart (charType) {
|
||
var rx = new RegExp('^' + (charType || '\\s') + '+');
|
||
this.intro = this.intro.replace(rx, '');
|
||
|
||
if (!this.intro) {
|
||
var source;
|
||
var i = 0;
|
||
|
||
do {
|
||
source = this.sources[i++];
|
||
if (!source) {
|
||
break;
|
||
}
|
||
} while (!source.content.trimStartAborted(charType));
|
||
}
|
||
|
||
return this;
|
||
};
|
||
|
||
Bundle.prototype.trimEnd = function trimEnd (charType) {
|
||
var rx = new RegExp((charType || '\\s') + '+$');
|
||
|
||
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
|