1670 lines
		
	
	
		
			42 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			1670 lines
		
	
	
		
			42 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| (function (global, factory) {
 | ||
| 	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
 | ||
| 	typeof define === 'function' && define.amd ? define(factory) :
 | ||
| 	(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.MagicString = factory());
 | ||
| })(this, (function () { 'use strict';
 | ||
| 
 | ||
| 	class BitSet {
 | ||
| 		constructor(arg) {
 | ||
| 			this.bits = arg instanceof BitSet ? arg.bits.slice() : [];
 | ||
| 		}
 | ||
| 
 | ||
| 		add(n) {
 | ||
| 			this.bits[n >> 5] |= 1 << (n & 31);
 | ||
| 		}
 | ||
| 
 | ||
| 		has(n) {
 | ||
| 			return !!(this.bits[n >> 5] & (1 << (n & 31)));
 | ||
| 		}
 | ||
| 	}
 | ||
| 
 | ||
| 	class Chunk {
 | ||
| 		constructor(start, end, content) {
 | ||
| 			this.start = start;
 | ||
| 			this.end = end;
 | ||
| 			this.original = content;
 | ||
| 
 | ||
| 			this.intro = '';
 | ||
| 			this.outro = '';
 | ||
| 
 | ||
| 			this.content = content;
 | ||
| 			this.storeName = false;
 | ||
| 			this.edited = false;
 | ||
| 
 | ||
| 			{
 | ||
| 				this.previous = null;
 | ||
| 				this.next = null;
 | ||
| 			}
 | ||
| 		}
 | ||
| 
 | ||
| 		appendLeft(content) {
 | ||
| 			this.outro += content;
 | ||
| 		}
 | ||
| 
 | ||
| 		appendRight(content) {
 | ||
| 			this.intro = this.intro + content;
 | ||
| 		}
 | ||
| 
 | ||
| 		clone() {
 | ||
| 			const chunk = new Chunk(this.start, this.end, this.original);
 | ||
| 
 | ||
| 			chunk.intro = this.intro;
 | ||
| 			chunk.outro = this.outro;
 | ||
| 			chunk.content = this.content;
 | ||
| 			chunk.storeName = this.storeName;
 | ||
| 			chunk.edited = this.edited;
 | ||
| 
 | ||
| 			return chunk;
 | ||
| 		}
 | ||
| 
 | ||
| 		contains(index) {
 | ||
| 			return this.start < index && index < this.end;
 | ||
| 		}
 | ||
| 
 | ||
| 		eachNext(fn) {
 | ||
| 			let chunk = this;
 | ||
| 			while (chunk) {
 | ||
| 				fn(chunk);
 | ||
| 				chunk = chunk.next;
 | ||
| 			}
 | ||
| 		}
 | ||
| 
 | ||
| 		eachPrevious(fn) {
 | ||
| 			let chunk = this;
 | ||
| 			while (chunk) {
 | ||
| 				fn(chunk);
 | ||
| 				chunk = chunk.previous;
 | ||
| 			}
 | ||
| 		}
 | ||
| 
 | ||
| 		edit(content, storeName, contentOnly) {
 | ||
| 			this.content = content;
 | ||
| 			if (!contentOnly) {
 | ||
| 				this.intro = '';
 | ||
| 				this.outro = '';
 | ||
| 			}
 | ||
| 			this.storeName = storeName;
 | ||
| 
 | ||
| 			this.edited = true;
 | ||
| 
 | ||
| 			return this;
 | ||
| 		}
 | ||
| 
 | ||
| 		prependLeft(content) {
 | ||
| 			this.outro = content + this.outro;
 | ||
| 		}
 | ||
| 
 | ||
| 		prependRight(content) {
 | ||
| 			this.intro = content + this.intro;
 | ||
| 		}
 | ||
| 
 | ||
| 		reset() {
 | ||
| 			this.intro = '';
 | ||
| 			this.outro = '';
 | ||
| 			if (this.edited) {
 | ||
| 				this.content = this.original;
 | ||
| 				this.storeName = false;
 | ||
| 				this.edited = false;
 | ||
| 			}
 | ||
| 		}
 | ||
| 
 | ||
| 		split(index) {
 | ||
| 			const sliceIndex = index - this.start;
 | ||
| 
 | ||
| 			const originalBefore = this.original.slice(0, sliceIndex);
 | ||
| 			const originalAfter = this.original.slice(sliceIndex);
 | ||
| 
 | ||
| 			this.original = originalBefore;
 | ||
| 
 | ||
| 			const newChunk = new Chunk(index, this.end, originalAfter);
 | ||
| 			newChunk.outro = this.outro;
 | ||
| 			this.outro = '';
 | ||
| 
 | ||
| 			this.end = index;
 | ||
| 
 | ||
| 			if (this.edited) {
 | ||
| 				// after split we should save the edit content record into the correct chunk
 | ||
| 				// to make sure sourcemap correct
 | ||
| 				// For example:
 | ||
| 				// '  test'.trim()
 | ||
| 				//     split   -> '  ' + 'test'
 | ||
| 				//   ✔️ edit    -> '' + 'test'
 | ||
| 				//   ✖️ edit    -> 'test' + ''
 | ||
| 				// TODO is this block necessary?...
 | ||
| 				newChunk.edit('', false);
 | ||
| 				this.content = '';
 | ||
| 			} else {
 | ||
| 				this.content = originalBefore;
 | ||
| 			}
 | ||
| 
 | ||
| 			newChunk.next = this.next;
 | ||
| 			if (newChunk.next) newChunk.next.previous = newChunk;
 | ||
| 			newChunk.previous = this;
 | ||
| 			this.next = newChunk;
 | ||
| 
 | ||
| 			return newChunk;
 | ||
| 		}
 | ||
| 
 | ||
| 		toString() {
 | ||
| 			return this.intro + this.content + this.outro;
 | ||
| 		}
 | ||
| 
 | ||
| 		trimEnd(rx) {
 | ||
| 			this.outro = this.outro.replace(rx, '');
 | ||
| 			if (this.outro.length) return true;
 | ||
| 
 | ||
| 			const trimmed = this.content.replace(rx, '');
 | ||
| 
 | ||
| 			if (trimmed.length) {
 | ||
| 				if (trimmed !== this.content) {
 | ||
| 					this.split(this.start + trimmed.length).edit('', undefined, true);
 | ||
| 					if (this.edited) {
 | ||
| 						// save the change, if it has been edited
 | ||
| 						this.edit(trimmed, this.storeName, true);
 | ||
| 					}
 | ||
| 				}
 | ||
| 				return true;
 | ||
| 			} else {
 | ||
| 				this.edit('', undefined, true);
 | ||
| 
 | ||
| 				this.intro = this.intro.replace(rx, '');
 | ||
| 				if (this.intro.length) return true;
 | ||
| 			}
 | ||
| 		}
 | ||
| 
 | ||
| 		trimStart(rx) {
 | ||
| 			this.intro = this.intro.replace(rx, '');
 | ||
| 			if (this.intro.length) return true;
 | ||
| 
 | ||
| 			const trimmed = this.content.replace(rx, '');
 | ||
| 
 | ||
| 			if (trimmed.length) {
 | ||
| 				if (trimmed !== this.content) {
 | ||
| 					const newChunk = this.split(this.end - trimmed.length);
 | ||
| 					if (this.edited) {
 | ||
| 						// save the change, if it has been edited
 | ||
| 						newChunk.edit(trimmed, this.storeName, true);
 | ||
| 					}
 | ||
| 					this.edit('', undefined, true);
 | ||
| 				}
 | ||
| 				return true;
 | ||
| 			} else {
 | ||
| 				this.edit('', undefined, true);
 | ||
| 
 | ||
| 				this.outro = this.outro.replace(rx, '');
 | ||
| 				if (this.outro.length) return true;
 | ||
| 			}
 | ||
| 		}
 | ||
| 	}
 | ||
| 
 | ||
| 	// src/vlq.ts
 | ||
| 	var comma = ",".charCodeAt(0);
 | ||
| 	var semicolon = ";".charCodeAt(0);
 | ||
| 	var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
 | ||
| 	var intToChar = new Uint8Array(64);
 | ||
| 	var charToInt = new Uint8Array(128);
 | ||
| 	for (let i = 0; i < chars.length; i++) {
 | ||
| 	  const c = chars.charCodeAt(i);
 | ||
| 	  intToChar[i] = c;
 | ||
| 	  charToInt[c] = i;
 | ||
| 	}
 | ||
| 	function encodeInteger(builder, num, relative) {
 | ||
| 	  let delta = num - relative;
 | ||
| 	  delta = delta < 0 ? -delta << 1 | 1 : delta << 1;
 | ||
| 	  do {
 | ||
| 	    let clamped = delta & 31;
 | ||
| 	    delta >>>= 5;
 | ||
| 	    if (delta > 0) clamped |= 32;
 | ||
| 	    builder.write(intToChar[clamped]);
 | ||
| 	  } while (delta > 0);
 | ||
| 	  return num;
 | ||
| 	}
 | ||
| 
 | ||
| 	// src/strings.ts
 | ||
| 	var bufLength = 1024 * 16;
 | ||
| 	var td = typeof TextDecoder !== "undefined" ? /* @__PURE__ */ new TextDecoder() : typeof Buffer !== "undefined" ? {
 | ||
| 	  decode(buf) {
 | ||
| 	    const out = Buffer.from(buf.buffer, buf.byteOffset, buf.byteLength);
 | ||
| 	    return out.toString();
 | ||
| 	  }
 | ||
| 	} : {
 | ||
| 	  decode(buf) {
 | ||
| 	    let out = "";
 | ||
| 	    for (let i = 0; i < buf.length; i++) {
 | ||
| 	      out += String.fromCharCode(buf[i]);
 | ||
| 	    }
 | ||
| 	    return out;
 | ||
| 	  }
 | ||
| 	};
 | ||
| 	var StringWriter = class {
 | ||
| 	  constructor() {
 | ||
| 	    this.pos = 0;
 | ||
| 	    this.out = "";
 | ||
| 	    this.buffer = new Uint8Array(bufLength);
 | ||
| 	  }
 | ||
| 	  write(v) {
 | ||
| 	    const { buffer } = this;
 | ||
| 	    buffer[this.pos++] = v;
 | ||
| 	    if (this.pos === bufLength) {
 | ||
| 	      this.out += td.decode(buffer);
 | ||
| 	      this.pos = 0;
 | ||
| 	    }
 | ||
| 	  }
 | ||
| 	  flush() {
 | ||
| 	    const { buffer, out, pos } = this;
 | ||
| 	    return pos > 0 ? out + td.decode(buffer.subarray(0, pos)) : out;
 | ||
| 	  }
 | ||
| 	};
 | ||
| 	function encode(decoded) {
 | ||
| 	  const writer = new StringWriter();
 | ||
| 	  let sourcesIndex = 0;
 | ||
| 	  let sourceLine = 0;
 | ||
| 	  let sourceColumn = 0;
 | ||
| 	  let namesIndex = 0;
 | ||
| 	  for (let i = 0; i < decoded.length; i++) {
 | ||
| 	    const line = decoded[i];
 | ||
| 	    if (i > 0) writer.write(semicolon);
 | ||
| 	    if (line.length === 0) continue;
 | ||
| 	    let genColumn = 0;
 | ||
| 	    for (let j = 0; j < line.length; j++) {
 | ||
| 	      const segment = line[j];
 | ||
| 	      if (j > 0) writer.write(comma);
 | ||
| 	      genColumn = encodeInteger(writer, segment[0], genColumn);
 | ||
| 	      if (segment.length === 1) continue;
 | ||
| 	      sourcesIndex = encodeInteger(writer, segment[1], sourcesIndex);
 | ||
| 	      sourceLine = encodeInteger(writer, segment[2], sourceLine);
 | ||
| 	      sourceColumn = encodeInteger(writer, segment[3], sourceColumn);
 | ||
| 	      if (segment.length === 4) continue;
 | ||
| 	      namesIndex = encodeInteger(writer, segment[4], namesIndex);
 | ||
| 	    }
 | ||
| 	  }
 | ||
| 	  return writer.flush();
 | ||
| 	}
 | ||
| 
 | ||
| 	function getBtoa() {
 | ||
| 		if (typeof globalThis !== 'undefined' && typeof globalThis.btoa === 'function') {
 | ||
| 			return (str) => globalThis.btoa(unescape(encodeURIComponent(str)));
 | ||
| 		} else if (typeof Buffer === 'function') {
 | ||
| 			return (str) => Buffer.from(str, 'utf-8').toString('base64');
 | ||
| 		} else {
 | ||
| 			return () => {
 | ||
| 				throw new Error('Unsupported environment: `window.btoa` or `Buffer` should be supported.');
 | ||
| 			};
 | ||
| 		}
 | ||
| 	}
 | ||
| 
 | ||
| 	const btoa = /*#__PURE__*/ getBtoa();
 | ||
| 
 | ||
| 	class SourceMap {
 | ||
| 		constructor(properties) {
 | ||
| 			this.version = 3;
 | ||
| 			this.file = properties.file;
 | ||
| 			this.sources = properties.sources;
 | ||
| 			this.sourcesContent = properties.sourcesContent;
 | ||
| 			this.names = properties.names;
 | ||
| 			this.mappings = encode(properties.mappings);
 | ||
| 			if (typeof properties.x_google_ignoreList !== 'undefined') {
 | ||
| 				this.x_google_ignoreList = properties.x_google_ignoreList;
 | ||
| 			}
 | ||
| 			if (typeof properties.debugId !== 'undefined') {
 | ||
| 				this.debugId = properties.debugId;
 | ||
| 			}
 | ||
| 		}
 | ||
| 
 | ||
| 		toString() {
 | ||
| 			return JSON.stringify(this);
 | ||
| 		}
 | ||
| 
 | ||
| 		toUrl() {
 | ||
| 			return 'data:application/json;charset=utf-8;base64,' + btoa(this.toString());
 | ||
| 		}
 | ||
| 	}
 | ||
| 
 | ||
| 	function guessIndent(code) {
 | ||
| 		const lines = code.split('\n');
 | ||
| 
 | ||
| 		const tabbed = lines.filter((line) => /^\t+/.test(line));
 | ||
| 		const spaced = lines.filter((line) => /^ {2,}/.test(line));
 | ||
| 
 | ||
| 		if (tabbed.length === 0 && spaced.length === 0) {
 | ||
| 			return null;
 | ||
| 		}
 | ||
| 
 | ||
| 		// More lines tabbed than spaced? Assume tabs, and
 | ||
| 		// default to tabs in the case of a tie (or nothing
 | ||
| 		// to go on)
 | ||
| 		if (tabbed.length >= spaced.length) {
 | ||
| 			return '\t';
 | ||
| 		}
 | ||
| 
 | ||
| 		// Otherwise, we need to guess the multiple
 | ||
| 		const min = spaced.reduce((previous, current) => {
 | ||
| 			const numSpaces = /^ +/.exec(current)[0].length;
 | ||
| 			return Math.min(numSpaces, previous);
 | ||
| 		}, Infinity);
 | ||
| 
 | ||
| 		return new Array(min + 1).join(' ');
 | ||
| 	}
 | ||
| 
 | ||
| 	function getRelativePath(from, to) {
 | ||
| 		const fromParts = from.split(/[/\\]/);
 | ||
| 		const toParts = to.split(/[/\\]/);
 | ||
| 
 | ||
| 		fromParts.pop(); // get dirname
 | ||
| 
 | ||
| 		while (fromParts[0] === toParts[0]) {
 | ||
| 			fromParts.shift();
 | ||
| 			toParts.shift();
 | ||
| 		}
 | ||
| 
 | ||
| 		if (fromParts.length) {
 | ||
| 			let i = fromParts.length;
 | ||
| 			while (i--) fromParts[i] = '..';
 | ||
| 		}
 | ||
| 
 | ||
| 		return fromParts.concat(toParts).join('/');
 | ||
| 	}
 | ||
| 
 | ||
| 	const toString = Object.prototype.toString;
 | ||
| 
 | ||
| 	function isObject(thing) {
 | ||
| 		return toString.call(thing) === '[object Object]';
 | ||
| 	}
 | ||
| 
 | ||
| 	function getLocator(source) {
 | ||
| 		const originalLines = source.split('\n');
 | ||
| 		const lineOffsets = [];
 | ||
| 
 | ||
| 		for (let i = 0, pos = 0; i < originalLines.length; i++) {
 | ||
| 			lineOffsets.push(pos);
 | ||
| 			pos += originalLines[i].length + 1;
 | ||
| 		}
 | ||
| 
 | ||
| 		return function locate(index) {
 | ||
| 			let i = 0;
 | ||
| 			let j = lineOffsets.length;
 | ||
| 			while (i < j) {
 | ||
| 				const m = (i + j) >> 1;
 | ||
| 				if (index < lineOffsets[m]) {
 | ||
| 					j = m;
 | ||
| 				} else {
 | ||
| 					i = m + 1;
 | ||
| 				}
 | ||
| 			}
 | ||
| 			const line = i - 1;
 | ||
| 			const column = index - lineOffsets[line];
 | ||
| 			return { line, column };
 | ||
| 		};
 | ||
| 	}
 | ||
| 
 | ||
| 	const wordRegex = /\w/;
 | ||
| 
 | ||
| 	class Mappings {
 | ||
| 		constructor(hires) {
 | ||
| 			this.hires = hires;
 | ||
| 			this.generatedCodeLine = 0;
 | ||
| 			this.generatedCodeColumn = 0;
 | ||
| 			this.raw = [];
 | ||
| 			this.rawSegments = this.raw[this.generatedCodeLine] = [];
 | ||
| 			this.pending = null;
 | ||
| 		}
 | ||
| 
 | ||
| 		addEdit(sourceIndex, content, loc, nameIndex) {
 | ||
| 			if (content.length) {
 | ||
| 				const contentLengthMinusOne = content.length - 1;
 | ||
| 				let contentLineEnd = content.indexOf('\n', 0);
 | ||
| 				let previousContentLineEnd = -1;
 | ||
| 				// Loop through each line in the content and add a segment, but stop if the last line is empty,
 | ||
| 				// else code afterwards would fill one line too many
 | ||
| 				while (contentLineEnd >= 0 && contentLengthMinusOne > contentLineEnd) {
 | ||
| 					const segment = [this.generatedCodeColumn, sourceIndex, loc.line, loc.column];
 | ||
| 					if (nameIndex >= 0) {
 | ||
| 						segment.push(nameIndex);
 | ||
| 					}
 | ||
| 					this.rawSegments.push(segment);
 | ||
| 
 | ||
| 					this.generatedCodeLine += 1;
 | ||
| 					this.raw[this.generatedCodeLine] = this.rawSegments = [];
 | ||
| 					this.generatedCodeColumn = 0;
 | ||
| 
 | ||
| 					previousContentLineEnd = contentLineEnd;
 | ||
| 					contentLineEnd = content.indexOf('\n', contentLineEnd + 1);
 | ||
| 				}
 | ||
| 
 | ||
| 				const segment = [this.generatedCodeColumn, sourceIndex, loc.line, loc.column];
 | ||
| 				if (nameIndex >= 0) {
 | ||
| 					segment.push(nameIndex);
 | ||
| 				}
 | ||
| 				this.rawSegments.push(segment);
 | ||
| 
 | ||
| 				this.advance(content.slice(previousContentLineEnd + 1));
 | ||
| 			} else if (this.pending) {
 | ||
| 				this.rawSegments.push(this.pending);
 | ||
| 				this.advance(content);
 | ||
| 			}
 | ||
| 
 | ||
| 			this.pending = null;
 | ||
| 		}
 | ||
| 
 | ||
| 		addUneditedChunk(sourceIndex, chunk, original, loc, sourcemapLocations) {
 | ||
| 			let originalCharIndex = chunk.start;
 | ||
| 			let first = true;
 | ||
| 			// when iterating each char, check if it's in a word boundary
 | ||
| 			let charInHiresBoundary = false;
 | ||
| 
 | ||
| 			while (originalCharIndex < chunk.end) {
 | ||
| 				if (original[originalCharIndex] === '\n') {
 | ||
| 					loc.line += 1;
 | ||
| 					loc.column = 0;
 | ||
| 					this.generatedCodeLine += 1;
 | ||
| 					this.raw[this.generatedCodeLine] = this.rawSegments = [];
 | ||
| 					this.generatedCodeColumn = 0;
 | ||
| 					first = true;
 | ||
| 					charInHiresBoundary = false;
 | ||
| 				} else {
 | ||
| 					if (this.hires || first || sourcemapLocations.has(originalCharIndex)) {
 | ||
| 						const segment = [this.generatedCodeColumn, sourceIndex, loc.line, loc.column];
 | ||
| 
 | ||
| 						if (this.hires === 'boundary') {
 | ||
| 							// in hires "boundary", group segments per word boundary than per char
 | ||
| 							if (wordRegex.test(original[originalCharIndex])) {
 | ||
| 								// for first char in the boundary found, start the boundary by pushing a segment
 | ||
| 								if (!charInHiresBoundary) {
 | ||
| 									this.rawSegments.push(segment);
 | ||
| 									charInHiresBoundary = true;
 | ||
| 								}
 | ||
| 							} else {
 | ||
| 								// for non-word char, end the boundary by pushing a segment
 | ||
| 								this.rawSegments.push(segment);
 | ||
| 								charInHiresBoundary = false;
 | ||
| 							}
 | ||
| 						} else {
 | ||
| 							this.rawSegments.push(segment);
 | ||
| 						}
 | ||
| 					}
 | ||
| 
 | ||
| 					loc.column += 1;
 | ||
| 					this.generatedCodeColumn += 1;
 | ||
| 					first = false;
 | ||
| 				}
 | ||
| 
 | ||
| 				originalCharIndex += 1;
 | ||
| 			}
 | ||
| 
 | ||
| 			this.pending = null;
 | ||
| 		}
 | ||
| 
 | ||
| 		advance(str) {
 | ||
| 			if (!str) return;
 | ||
| 
 | ||
| 			const lines = str.split('\n');
 | ||
| 
 | ||
| 			if (lines.length > 1) {
 | ||
| 				for (let i = 0; i < lines.length - 1; i++) {
 | ||
| 					this.generatedCodeLine++;
 | ||
| 					this.raw[this.generatedCodeLine] = this.rawSegments = [];
 | ||
| 				}
 | ||
| 				this.generatedCodeColumn = 0;
 | ||
| 			}
 | ||
| 
 | ||
| 			this.generatedCodeColumn += lines[lines.length - 1].length;
 | ||
| 		}
 | ||
| 	}
 | ||
| 
 | ||
| 	const n = '\n';
 | ||
| 
 | ||
| 	const warned = {
 | ||
| 		insertLeft: false,
 | ||
| 		insertRight: false,
 | ||
| 		storeName: false,
 | ||
| 	};
 | ||
| 
 | ||
| 	class MagicString {
 | ||
| 		constructor(string, options = {}) {
 | ||
| 			const chunk = new Chunk(0, string.length, string);
 | ||
| 
 | ||
| 			Object.defineProperties(this, {
 | ||
| 				original: { writable: true, value: string },
 | ||
| 				outro: { writable: true, value: '' },
 | ||
| 				intro: { writable: true, value: '' },
 | ||
| 				firstChunk: { writable: true, value: chunk },
 | ||
| 				lastChunk: { writable: true, value: chunk },
 | ||
| 				lastSearchedChunk: { writable: true, value: chunk },
 | ||
| 				byStart: { writable: true, value: {} },
 | ||
| 				byEnd: { writable: true, value: {} },
 | ||
| 				filename: { writable: true, value: options.filename },
 | ||
| 				indentExclusionRanges: { writable: true, value: options.indentExclusionRanges },
 | ||
| 				sourcemapLocations: { writable: true, value: new BitSet() },
 | ||
| 				storedNames: { writable: true, value: {} },
 | ||
| 				indentStr: { writable: true, value: undefined },
 | ||
| 				ignoreList: { writable: true, value: options.ignoreList },
 | ||
| 				offset: { writable: true, value: options.offset || 0 },
 | ||
| 			});
 | ||
| 
 | ||
| 			this.byStart[0] = chunk;
 | ||
| 			this.byEnd[string.length] = chunk;
 | ||
| 		}
 | ||
| 
 | ||
| 		addSourcemapLocation(char) {
 | ||
| 			this.sourcemapLocations.add(char);
 | ||
| 		}
 | ||
| 
 | ||
| 		append(content) {
 | ||
| 			if (typeof content !== 'string') throw new TypeError('outro content must be a string');
 | ||
| 
 | ||
| 			this.outro += content;
 | ||
| 			return this;
 | ||
| 		}
 | ||
| 
 | ||
| 		appendLeft(index, content) {
 | ||
| 			index = index + this.offset;
 | ||
| 
 | ||
| 			if (typeof content !== 'string') throw new TypeError('inserted content must be a string');
 | ||
| 
 | ||
| 			this._split(index);
 | ||
| 
 | ||
| 			const chunk = this.byEnd[index];
 | ||
| 
 | ||
| 			if (chunk) {
 | ||
| 				chunk.appendLeft(content);
 | ||
| 			} else {
 | ||
| 				this.intro += content;
 | ||
| 			}
 | ||
| 			return this;
 | ||
| 		}
 | ||
| 
 | ||
| 		appendRight(index, content) {
 | ||
| 			index = index + this.offset;
 | ||
| 
 | ||
| 			if (typeof content !== 'string') throw new TypeError('inserted content must be a string');
 | ||
| 
 | ||
| 			this._split(index);
 | ||
| 
 | ||
| 			const chunk = this.byStart[index];
 | ||
| 
 | ||
| 			if (chunk) {
 | ||
| 				chunk.appendRight(content);
 | ||
| 			} else {
 | ||
| 				this.outro += content;
 | ||
| 			}
 | ||
| 			return this;
 | ||
| 		}
 | ||
| 
 | ||
| 		clone() {
 | ||
| 			const cloned = new MagicString(this.original, { filename: this.filename, offset: this.offset });
 | ||
| 
 | ||
| 			let originalChunk = this.firstChunk;
 | ||
| 			let clonedChunk = (cloned.firstChunk = cloned.lastSearchedChunk = originalChunk.clone());
 | ||
| 
 | ||
| 			while (originalChunk) {
 | ||
| 				cloned.byStart[clonedChunk.start] = clonedChunk;
 | ||
| 				cloned.byEnd[clonedChunk.end] = clonedChunk;
 | ||
| 
 | ||
| 				const nextOriginalChunk = originalChunk.next;
 | ||
| 				const nextClonedChunk = nextOriginalChunk && nextOriginalChunk.clone();
 | ||
| 
 | ||
| 				if (nextClonedChunk) {
 | ||
| 					clonedChunk.next = nextClonedChunk;
 | ||
| 					nextClonedChunk.previous = clonedChunk;
 | ||
| 
 | ||
| 					clonedChunk = nextClonedChunk;
 | ||
| 				}
 | ||
| 
 | ||
| 				originalChunk = nextOriginalChunk;
 | ||
| 			}
 | ||
| 
 | ||
| 			cloned.lastChunk = clonedChunk;
 | ||
| 
 | ||
| 			if (this.indentExclusionRanges) {
 | ||
| 				cloned.indentExclusionRanges = this.indentExclusionRanges.slice();
 | ||
| 			}
 | ||
| 
 | ||
| 			cloned.sourcemapLocations = new BitSet(this.sourcemapLocations);
 | ||
| 
 | ||
| 			cloned.intro = this.intro;
 | ||
| 			cloned.outro = this.outro;
 | ||
| 
 | ||
| 			return cloned;
 | ||
| 		}
 | ||
| 
 | ||
| 		generateDecodedMap(options) {
 | ||
| 			options = options || {};
 | ||
| 
 | ||
| 			const sourceIndex = 0;
 | ||
| 			const names = Object.keys(this.storedNames);
 | ||
| 			const mappings = new Mappings(options.hires);
 | ||
| 
 | ||
| 			const locate = getLocator(this.original);
 | ||
| 
 | ||
| 			if (this.intro) {
 | ||
| 				mappings.advance(this.intro);
 | ||
| 			}
 | ||
| 
 | ||
| 			this.firstChunk.eachNext((chunk) => {
 | ||
| 				const loc = locate(chunk.start);
 | ||
| 
 | ||
| 				if (chunk.intro.length) mappings.advance(chunk.intro);
 | ||
| 
 | ||
| 				if (chunk.edited) {
 | ||
| 					mappings.addEdit(
 | ||
| 						sourceIndex,
 | ||
| 						chunk.content,
 | ||
| 						loc,
 | ||
| 						chunk.storeName ? names.indexOf(chunk.original) : -1,
 | ||
| 					);
 | ||
| 				} else {
 | ||
| 					mappings.addUneditedChunk(sourceIndex, chunk, this.original, loc, this.sourcemapLocations);
 | ||
| 				}
 | ||
| 
 | ||
| 				if (chunk.outro.length) mappings.advance(chunk.outro);
 | ||
| 			});
 | ||
| 
 | ||
| 			return {
 | ||
| 				file: options.file ? options.file.split(/[/\\]/).pop() : undefined,
 | ||
| 				sources: [
 | ||
| 					options.source ? getRelativePath(options.file || '', options.source) : options.file || '',
 | ||
| 				],
 | ||
| 				sourcesContent: options.includeContent ? [this.original] : undefined,
 | ||
| 				names,
 | ||
| 				mappings: mappings.raw,
 | ||
| 				x_google_ignoreList: this.ignoreList ? [sourceIndex] : undefined,
 | ||
| 			};
 | ||
| 		}
 | ||
| 
 | ||
| 		generateMap(options) {
 | ||
| 			return new SourceMap(this.generateDecodedMap(options));
 | ||
| 		}
 | ||
| 
 | ||
| 		_ensureindentStr() {
 | ||
| 			if (this.indentStr === undefined) {
 | ||
| 				this.indentStr = guessIndent(this.original);
 | ||
| 			}
 | ||
| 		}
 | ||
| 
 | ||
| 		_getRawIndentString() {
 | ||
| 			this._ensureindentStr();
 | ||
| 			return this.indentStr;
 | ||
| 		}
 | ||
| 
 | ||
| 		getIndentString() {
 | ||
| 			this._ensureindentStr();
 | ||
| 			return this.indentStr === null ? '\t' : this.indentStr;
 | ||
| 		}
 | ||
| 
 | ||
| 		indent(indentStr, options) {
 | ||
| 			const pattern = /^[^\r\n]/gm;
 | ||
| 
 | ||
| 			if (isObject(indentStr)) {
 | ||
| 				options = indentStr;
 | ||
| 				indentStr = undefined;
 | ||
| 			}
 | ||
| 
 | ||
| 			if (indentStr === undefined) {
 | ||
| 				this._ensureindentStr();
 | ||
| 				indentStr = this.indentStr || '\t';
 | ||
| 			}
 | ||
| 
 | ||
| 			if (indentStr === '') return this; // noop
 | ||
| 
 | ||
| 			options = options || {};
 | ||
| 
 | ||
| 			// Process exclusion ranges
 | ||
| 			const isExcluded = {};
 | ||
| 
 | ||
| 			if (options.exclude) {
 | ||
| 				const exclusions =
 | ||
| 					typeof options.exclude[0] === 'number' ? [options.exclude] : options.exclude;
 | ||
| 				exclusions.forEach((exclusion) => {
 | ||
| 					for (let i = exclusion[0]; i < exclusion[1]; i += 1) {
 | ||
| 						isExcluded[i] = true;
 | ||
| 					}
 | ||
| 				});
 | ||
| 			}
 | ||
| 
 | ||
| 			let shouldIndentNextCharacter = options.indentStart !== false;
 | ||
| 			const replacer = (match) => {
 | ||
| 				if (shouldIndentNextCharacter) return `${indentStr}${match}`;
 | ||
| 				shouldIndentNextCharacter = true;
 | ||
| 				return match;
 | ||
| 			};
 | ||
| 
 | ||
| 			this.intro = this.intro.replace(pattern, replacer);
 | ||
| 
 | ||
| 			let charIndex = 0;
 | ||
| 			let chunk = this.firstChunk;
 | ||
| 
 | ||
| 			while (chunk) {
 | ||
| 				const end = chunk.end;
 | ||
| 
 | ||
| 				if (chunk.edited) {
 | ||
| 					if (!isExcluded[charIndex]) {
 | ||
| 						chunk.content = chunk.content.replace(pattern, replacer);
 | ||
| 
 | ||
| 						if (chunk.content.length) {
 | ||
| 							shouldIndentNextCharacter = chunk.content[chunk.content.length - 1] === '\n';
 | ||
| 						}
 | ||
| 					}
 | ||
| 				} else {
 | ||
| 					charIndex = chunk.start;
 | ||
| 
 | ||
| 					while (charIndex < end) {
 | ||
| 						if (!isExcluded[charIndex]) {
 | ||
| 							const char = this.original[charIndex];
 | ||
| 
 | ||
| 							if (char === '\n') {
 | ||
| 								shouldIndentNextCharacter = true;
 | ||
| 							} else if (char !== '\r' && shouldIndentNextCharacter) {
 | ||
| 								shouldIndentNextCharacter = false;
 | ||
| 
 | ||
| 								if (charIndex === chunk.start) {
 | ||
| 									chunk.prependRight(indentStr);
 | ||
| 								} else {
 | ||
| 									this._splitChunk(chunk, charIndex);
 | ||
| 									chunk = chunk.next;
 | ||
| 									chunk.prependRight(indentStr);
 | ||
| 								}
 | ||
| 							}
 | ||
| 						}
 | ||
| 
 | ||
| 						charIndex += 1;
 | ||
| 					}
 | ||
| 				}
 | ||
| 
 | ||
| 				charIndex = chunk.end;
 | ||
| 				chunk = chunk.next;
 | ||
| 			}
 | ||
| 
 | ||
| 			this.outro = this.outro.replace(pattern, replacer);
 | ||
| 
 | ||
| 			return this;
 | ||
| 		}
 | ||
| 
 | ||
| 		insert() {
 | ||
| 			throw new Error(
 | ||
| 				'magicString.insert(...) is deprecated. Use prependRight(...) or appendLeft(...)',
 | ||
| 			);
 | ||
| 		}
 | ||
| 
 | ||
| 		insertLeft(index, content) {
 | ||
| 			if (!warned.insertLeft) {
 | ||
| 				console.warn(
 | ||
| 					'magicString.insertLeft(...) is deprecated. Use magicString.appendLeft(...) instead',
 | ||
| 				);
 | ||
| 				warned.insertLeft = true;
 | ||
| 			}
 | ||
| 
 | ||
| 			return this.appendLeft(index, content);
 | ||
| 		}
 | ||
| 
 | ||
| 		insertRight(index, content) {
 | ||
| 			if (!warned.insertRight) {
 | ||
| 				console.warn(
 | ||
| 					'magicString.insertRight(...) is deprecated. Use magicString.prependRight(...) instead',
 | ||
| 				);
 | ||
| 				warned.insertRight = true;
 | ||
| 			}
 | ||
| 
 | ||
| 			return this.prependRight(index, content);
 | ||
| 		}
 | ||
| 
 | ||
| 		move(start, end, index) {
 | ||
| 			start = start + this.offset;
 | ||
| 			end = end + this.offset;
 | ||
| 			index = index + this.offset;
 | ||
| 
 | ||
| 			if (index >= start && index <= end) throw new Error('Cannot move a selection inside itself');
 | ||
| 
 | ||
| 			this._split(start);
 | ||
| 			this._split(end);
 | ||
| 			this._split(index);
 | ||
| 
 | ||
| 			const first = this.byStart[start];
 | ||
| 			const last = this.byEnd[end];
 | ||
| 
 | ||
| 			const oldLeft = first.previous;
 | ||
| 			const oldRight = last.next;
 | ||
| 
 | ||
| 			const newRight = this.byStart[index];
 | ||
| 			if (!newRight && last === this.lastChunk) return this;
 | ||
| 			const newLeft = newRight ? newRight.previous : this.lastChunk;
 | ||
| 
 | ||
| 			if (oldLeft) oldLeft.next = oldRight;
 | ||
| 			if (oldRight) oldRight.previous = oldLeft;
 | ||
| 
 | ||
| 			if (newLeft) newLeft.next = first;
 | ||
| 			if (newRight) newRight.previous = last;
 | ||
| 
 | ||
| 			if (!first.previous) this.firstChunk = last.next;
 | ||
| 			if (!last.next) {
 | ||
| 				this.lastChunk = first.previous;
 | ||
| 				this.lastChunk.next = null;
 | ||
| 			}
 | ||
| 
 | ||
| 			first.previous = newLeft;
 | ||
| 			last.next = newRight || null;
 | ||
| 
 | ||
| 			if (!newLeft) this.firstChunk = first;
 | ||
| 			if (!newRight) this.lastChunk = last;
 | ||
| 			return this;
 | ||
| 		}
 | ||
| 
 | ||
| 		overwrite(start, end, content, options) {
 | ||
| 			options = options || {};
 | ||
| 			return this.update(start, end, content, { ...options, overwrite: !options.contentOnly });
 | ||
| 		}
 | ||
| 
 | ||
| 		update(start, end, content, options) {
 | ||
| 			start = start + this.offset;
 | ||
| 			end = end + this.offset;
 | ||
| 
 | ||
| 			if (typeof content !== 'string') throw new TypeError('replacement content must be a string');
 | ||
| 
 | ||
| 			if (this.original.length !== 0) {
 | ||
| 				while (start < 0) start += this.original.length;
 | ||
| 				while (end < 0) end += this.original.length;
 | ||
| 			}
 | ||
| 
 | ||
| 			if (end > this.original.length) throw new Error('end is out of bounds');
 | ||
| 			if (start === end)
 | ||
| 				throw new Error(
 | ||
| 					'Cannot overwrite a zero-length range – use appendLeft or prependRight instead',
 | ||
| 				);
 | ||
| 
 | ||
| 			this._split(start);
 | ||
| 			this._split(end);
 | ||
| 
 | ||
| 			if (options === true) {
 | ||
| 				if (!warned.storeName) {
 | ||
| 					console.warn(
 | ||
| 						'The final argument to magicString.overwrite(...) should be an options object. See https://github.com/rich-harris/magic-string',
 | ||
| 					);
 | ||
| 					warned.storeName = true;
 | ||
| 				}
 | ||
| 
 | ||
| 				options = { storeName: true };
 | ||
| 			}
 | ||
| 			const storeName = options !== undefined ? options.storeName : false;
 | ||
| 			const overwrite = options !== undefined ? options.overwrite : false;
 | ||
| 
 | ||
| 			if (storeName) {
 | ||
| 				const original = this.original.slice(start, end);
 | ||
| 				Object.defineProperty(this.storedNames, original, {
 | ||
| 					writable: true,
 | ||
| 					value: true,
 | ||
| 					enumerable: true,
 | ||
| 				});
 | ||
| 			}
 | ||
| 
 | ||
| 			const first = this.byStart[start];
 | ||
| 			const last = this.byEnd[end];
 | ||
| 
 | ||
| 			if (first) {
 | ||
| 				let chunk = first;
 | ||
| 				while (chunk !== last) {
 | ||
| 					if (chunk.next !== this.byStart[chunk.end]) {
 | ||
| 						throw new Error('Cannot overwrite across a split point');
 | ||
| 					}
 | ||
| 					chunk = chunk.next;
 | ||
| 					chunk.edit('', false);
 | ||
| 				}
 | ||
| 
 | ||
| 				first.edit(content, storeName, !overwrite);
 | ||
| 			} else {
 | ||
| 				// must be inserting at the end
 | ||
| 				const newChunk = new Chunk(start, end, '').edit(content, storeName);
 | ||
| 
 | ||
| 				// TODO last chunk in the array may not be the last chunk, if it's moved...
 | ||
| 				last.next = newChunk;
 | ||
| 				newChunk.previous = last;
 | ||
| 			}
 | ||
| 			return this;
 | ||
| 		}
 | ||
| 
 | ||
| 		prepend(content) {
 | ||
| 			if (typeof content !== 'string') throw new TypeError('outro content must be a string');
 | ||
| 
 | ||
| 			this.intro = content + this.intro;
 | ||
| 			return this;
 | ||
| 		}
 | ||
| 
 | ||
| 		prependLeft(index, content) {
 | ||
| 			index = index + this.offset;
 | ||
| 
 | ||
| 			if (typeof content !== 'string') throw new TypeError('inserted content must be a string');
 | ||
| 
 | ||
| 			this._split(index);
 | ||
| 
 | ||
| 			const chunk = this.byEnd[index];
 | ||
| 
 | ||
| 			if (chunk) {
 | ||
| 				chunk.prependLeft(content);
 | ||
| 			} else {
 | ||
| 				this.intro = content + this.intro;
 | ||
| 			}
 | ||
| 			return this;
 | ||
| 		}
 | ||
| 
 | ||
| 		prependRight(index, content) {
 | ||
| 			index = index + this.offset;
 | ||
| 
 | ||
| 			if (typeof content !== 'string') throw new TypeError('inserted content must be a string');
 | ||
| 
 | ||
| 			this._split(index);
 | ||
| 
 | ||
| 			const chunk = this.byStart[index];
 | ||
| 
 | ||
| 			if (chunk) {
 | ||
| 				chunk.prependRight(content);
 | ||
| 			} else {
 | ||
| 				this.outro = content + this.outro;
 | ||
| 			}
 | ||
| 			return this;
 | ||
| 		}
 | ||
| 
 | ||
| 		remove(start, end) {
 | ||
| 			start = start + this.offset;
 | ||
| 			end = end + this.offset;
 | ||
| 
 | ||
| 			if (this.original.length !== 0) {
 | ||
| 				while (start < 0) start += this.original.length;
 | ||
| 				while (end < 0) end += this.original.length;
 | ||
| 			}
 | ||
| 
 | ||
| 			if (start === end) return this;
 | ||
| 
 | ||
| 			if (start < 0 || end > this.original.length) throw new Error('Character is out of bounds');
 | ||
| 			if (start > end) throw new Error('end must be greater than start');
 | ||
| 
 | ||
| 			this._split(start);
 | ||
| 			this._split(end);
 | ||
| 
 | ||
| 			let chunk = this.byStart[start];
 | ||
| 
 | ||
| 			while (chunk) {
 | ||
| 				chunk.intro = '';
 | ||
| 				chunk.outro = '';
 | ||
| 				chunk.edit('');
 | ||
| 
 | ||
| 				chunk = end > chunk.end ? this.byStart[chunk.end] : null;
 | ||
| 			}
 | ||
| 			return this;
 | ||
| 		}
 | ||
| 
 | ||
| 		reset(start, end) {
 | ||
| 			start = start + this.offset;
 | ||
| 			end = end + this.offset;
 | ||
| 
 | ||
| 			if (this.original.length !== 0) {
 | ||
| 				while (start < 0) start += this.original.length;
 | ||
| 				while (end < 0) end += this.original.length;
 | ||
| 			}
 | ||
| 
 | ||
| 			if (start === end) return this;
 | ||
| 
 | ||
| 			if (start < 0 || end > this.original.length) throw new Error('Character is out of bounds');
 | ||
| 			if (start > end) throw new Error('end must be greater than start');
 | ||
| 
 | ||
| 			this._split(start);
 | ||
| 			this._split(end);
 | ||
| 
 | ||
| 			let chunk = this.byStart[start];
 | ||
| 
 | ||
| 			while (chunk) {
 | ||
| 				chunk.reset();
 | ||
| 
 | ||
| 				chunk = end > chunk.end ? this.byStart[chunk.end] : null;
 | ||
| 			}
 | ||
| 			return this;
 | ||
| 		}
 | ||
| 
 | ||
| 		lastChar() {
 | ||
| 			if (this.outro.length) return this.outro[this.outro.length - 1];
 | ||
| 			let chunk = this.lastChunk;
 | ||
| 			do {
 | ||
| 				if (chunk.outro.length) return chunk.outro[chunk.outro.length - 1];
 | ||
| 				if (chunk.content.length) return chunk.content[chunk.content.length - 1];
 | ||
| 				if (chunk.intro.length) return chunk.intro[chunk.intro.length - 1];
 | ||
| 			} while ((chunk = chunk.previous));
 | ||
| 			if (this.intro.length) return this.intro[this.intro.length - 1];
 | ||
| 			return '';
 | ||
| 		}
 | ||
| 
 | ||
| 		lastLine() {
 | ||
| 			let lineIndex = this.outro.lastIndexOf(n);
 | ||
| 			if (lineIndex !== -1) return this.outro.substr(lineIndex + 1);
 | ||
| 			let lineStr = this.outro;
 | ||
| 			let chunk = this.lastChunk;
 | ||
| 			do {
 | ||
| 				if (chunk.outro.length > 0) {
 | ||
| 					lineIndex = chunk.outro.lastIndexOf(n);
 | ||
| 					if (lineIndex !== -1) return chunk.outro.substr(lineIndex + 1) + lineStr;
 | ||
| 					lineStr = chunk.outro + lineStr;
 | ||
| 				}
 | ||
| 
 | ||
| 				if (chunk.content.length > 0) {
 | ||
| 					lineIndex = chunk.content.lastIndexOf(n);
 | ||
| 					if (lineIndex !== -1) return chunk.content.substr(lineIndex + 1) + lineStr;
 | ||
| 					lineStr = chunk.content + lineStr;
 | ||
| 				}
 | ||
| 
 | ||
| 				if (chunk.intro.length > 0) {
 | ||
| 					lineIndex = chunk.intro.lastIndexOf(n);
 | ||
| 					if (lineIndex !== -1) return chunk.intro.substr(lineIndex + 1) + lineStr;
 | ||
| 					lineStr = chunk.intro + lineStr;
 | ||
| 				}
 | ||
| 			} while ((chunk = chunk.previous));
 | ||
| 			lineIndex = this.intro.lastIndexOf(n);
 | ||
| 			if (lineIndex !== -1) return this.intro.substr(lineIndex + 1) + lineStr;
 | ||
| 			return this.intro + lineStr;
 | ||
| 		}
 | ||
| 
 | ||
| 		slice(start = 0, end = this.original.length - this.offset) {
 | ||
| 			start = start + this.offset;
 | ||
| 			end = end + this.offset;
 | ||
| 
 | ||
| 			if (this.original.length !== 0) {
 | ||
| 				while (start < 0) start += this.original.length;
 | ||
| 				while (end < 0) end += this.original.length;
 | ||
| 			}
 | ||
| 
 | ||
| 			let result = '';
 | ||
| 
 | ||
| 			// find start chunk
 | ||
| 			let chunk = this.firstChunk;
 | ||
| 			while (chunk && (chunk.start > start || chunk.end <= start)) {
 | ||
| 				// found end chunk before start
 | ||
| 				if (chunk.start < end && chunk.end >= end) {
 | ||
| 					return result;
 | ||
| 				}
 | ||
| 
 | ||
| 				chunk = chunk.next;
 | ||
| 			}
 | ||
| 
 | ||
| 			if (chunk && chunk.edited && chunk.start !== start)
 | ||
| 				throw new Error(`Cannot use replaced character ${start} as slice start anchor.`);
 | ||
| 
 | ||
| 			const startChunk = chunk;
 | ||
| 			while (chunk) {
 | ||
| 				if (chunk.intro && (startChunk !== chunk || chunk.start === start)) {
 | ||
| 					result += chunk.intro;
 | ||
| 				}
 | ||
| 
 | ||
| 				const containsEnd = chunk.start < end && chunk.end >= end;
 | ||
| 				if (containsEnd && chunk.edited && chunk.end !== end)
 | ||
| 					throw new Error(`Cannot use replaced character ${end} as slice end anchor.`);
 | ||
| 
 | ||
| 				const sliceStart = startChunk === chunk ? start - chunk.start : 0;
 | ||
| 				const sliceEnd = containsEnd ? chunk.content.length + end - chunk.end : chunk.content.length;
 | ||
| 
 | ||
| 				result += chunk.content.slice(sliceStart, sliceEnd);
 | ||
| 
 | ||
| 				if (chunk.outro && (!containsEnd || chunk.end === end)) {
 | ||
| 					result += chunk.outro;
 | ||
| 				}
 | ||
| 
 | ||
| 				if (containsEnd) {
 | ||
| 					break;
 | ||
| 				}
 | ||
| 
 | ||
| 				chunk = chunk.next;
 | ||
| 			}
 | ||
| 
 | ||
| 			return result;
 | ||
| 		}
 | ||
| 
 | ||
| 		// TODO deprecate this? not really very useful
 | ||
| 		snip(start, end) {
 | ||
| 			const clone = this.clone();
 | ||
| 			clone.remove(0, start);
 | ||
| 			clone.remove(end, clone.original.length);
 | ||
| 
 | ||
| 			return clone;
 | ||
| 		}
 | ||
| 
 | ||
| 		_split(index) {
 | ||
| 			if (this.byStart[index] || this.byEnd[index]) return;
 | ||
| 
 | ||
| 			let chunk = this.lastSearchedChunk;
 | ||
| 			let previousChunk = chunk;
 | ||
| 			const searchForward = index > chunk.end;
 | ||
| 
 | ||
| 			while (chunk) {
 | ||
| 				if (chunk.contains(index)) return this._splitChunk(chunk, index);
 | ||
| 
 | ||
| 				chunk = searchForward ? this.byStart[chunk.end] : this.byEnd[chunk.start];
 | ||
| 
 | ||
| 				// Prevent infinite loop (e.g. via empty chunks, where start === end)
 | ||
| 				if (chunk === previousChunk) return;
 | ||
| 
 | ||
| 				previousChunk = chunk;
 | ||
| 			}
 | ||
| 		}
 | ||
| 
 | ||
| 		_splitChunk(chunk, index) {
 | ||
| 			if (chunk.edited && chunk.content.length) {
 | ||
| 				// zero-length edited chunks are a special case (overlapping replacements)
 | ||
| 				const loc = getLocator(this.original)(index);
 | ||
| 				throw new Error(
 | ||
| 					`Cannot split a chunk that has already been edited (${loc.line}:${loc.column} – "${chunk.original}")`,
 | ||
| 				);
 | ||
| 			}
 | ||
| 
 | ||
| 			const newChunk = chunk.split(index);
 | ||
| 
 | ||
| 			this.byEnd[index] = chunk;
 | ||
| 			this.byStart[index] = newChunk;
 | ||
| 			this.byEnd[newChunk.end] = newChunk;
 | ||
| 
 | ||
| 			if (chunk === this.lastChunk) this.lastChunk = newChunk;
 | ||
| 
 | ||
| 			this.lastSearchedChunk = chunk;
 | ||
| 			return true;
 | ||
| 		}
 | ||
| 
 | ||
| 		toString() {
 | ||
| 			let str = this.intro;
 | ||
| 
 | ||
| 			let chunk = this.firstChunk;
 | ||
| 			while (chunk) {
 | ||
| 				str += chunk.toString();
 | ||
| 				chunk = chunk.next;
 | ||
| 			}
 | ||
| 
 | ||
| 			return str + this.outro;
 | ||
| 		}
 | ||
| 
 | ||
| 		isEmpty() {
 | ||
| 			let chunk = this.firstChunk;
 | ||
| 			do {
 | ||
| 				if (
 | ||
| 					(chunk.intro.length && chunk.intro.trim()) ||
 | ||
| 					(chunk.content.length && chunk.content.trim()) ||
 | ||
| 					(chunk.outro.length && chunk.outro.trim())
 | ||
| 				)
 | ||
| 					return false;
 | ||
| 			} while ((chunk = chunk.next));
 | ||
| 			return true;
 | ||
| 		}
 | ||
| 
 | ||
| 		length() {
 | ||
| 			let chunk = this.firstChunk;
 | ||
| 			let length = 0;
 | ||
| 			do {
 | ||
| 				length += chunk.intro.length + chunk.content.length + chunk.outro.length;
 | ||
| 			} while ((chunk = chunk.next));
 | ||
| 			return length;
 | ||
| 		}
 | ||
| 
 | ||
| 		trimLines() {
 | ||
| 			return this.trim('[\\r\\n]');
 | ||
| 		}
 | ||
| 
 | ||
| 		trim(charType) {
 | ||
| 			return this.trimStart(charType).trimEnd(charType);
 | ||
| 		}
 | ||
| 
 | ||
| 		trimEndAborted(charType) {
 | ||
| 			const rx = new RegExp((charType || '\\s') + '+$');
 | ||
| 
 | ||
| 			this.outro = this.outro.replace(rx, '');
 | ||
| 			if (this.outro.length) return true;
 | ||
| 
 | ||
| 			let chunk = this.lastChunk;
 | ||
| 
 | ||
| 			do {
 | ||
| 				const end = chunk.end;
 | ||
| 				const aborted = chunk.trimEnd(rx);
 | ||
| 
 | ||
| 				// if chunk was trimmed, we have a new lastChunk
 | ||
| 				if (chunk.end !== end) {
 | ||
| 					if (this.lastChunk === chunk) {
 | ||
| 						this.lastChunk = chunk.next;
 | ||
| 					}
 | ||
| 
 | ||
| 					this.byEnd[chunk.end] = chunk;
 | ||
| 					this.byStart[chunk.next.start] = chunk.next;
 | ||
| 					this.byEnd[chunk.next.end] = chunk.next;
 | ||
| 				}
 | ||
| 
 | ||
| 				if (aborted) return true;
 | ||
| 				chunk = chunk.previous;
 | ||
| 			} while (chunk);
 | ||
| 
 | ||
| 			return false;
 | ||
| 		}
 | ||
| 
 | ||
| 		trimEnd(charType) {
 | ||
| 			this.trimEndAborted(charType);
 | ||
| 			return this;
 | ||
| 		}
 | ||
| 		trimStartAborted(charType) {
 | ||
| 			const rx = new RegExp('^' + (charType || '\\s') + '+');
 | ||
| 
 | ||
| 			this.intro = this.intro.replace(rx, '');
 | ||
| 			if (this.intro.length) return true;
 | ||
| 
 | ||
| 			let chunk = this.firstChunk;
 | ||
| 
 | ||
| 			do {
 | ||
| 				const end = chunk.end;
 | ||
| 				const aborted = chunk.trimStart(rx);
 | ||
| 
 | ||
| 				if (chunk.end !== end) {
 | ||
| 					// special case...
 | ||
| 					if (chunk === this.lastChunk) this.lastChunk = chunk.next;
 | ||
| 
 | ||
| 					this.byEnd[chunk.end] = chunk;
 | ||
| 					this.byStart[chunk.next.start] = chunk.next;
 | ||
| 					this.byEnd[chunk.next.end] = chunk.next;
 | ||
| 				}
 | ||
| 
 | ||
| 				if (aborted) return true;
 | ||
| 				chunk = chunk.next;
 | ||
| 			} while (chunk);
 | ||
| 
 | ||
| 			return false;
 | ||
| 		}
 | ||
| 
 | ||
| 		trimStart(charType) {
 | ||
| 			this.trimStartAborted(charType);
 | ||
| 			return this;
 | ||
| 		}
 | ||
| 
 | ||
| 		hasChanged() {
 | ||
| 			return this.original !== this.toString();
 | ||
| 		}
 | ||
| 
 | ||
| 		_replaceRegexp(searchValue, replacement) {
 | ||
| 			function getReplacement(match, str) {
 | ||
| 				if (typeof replacement === 'string') {
 | ||
| 					return replacement.replace(/\$(\$|&|\d+)/g, (_, i) => {
 | ||
| 						// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/replace#specifying_a_string_as_a_parameter
 | ||
| 						if (i === '$') return '$';
 | ||
| 						if (i === '&') return match[0];
 | ||
| 						const num = +i;
 | ||
| 						if (num < match.length) return match[+i];
 | ||
| 						return `$${i}`;
 | ||
| 					});
 | ||
| 				} else {
 | ||
| 					return replacement(...match, match.index, str, match.groups);
 | ||
| 				}
 | ||
| 			}
 | ||
| 			function matchAll(re, str) {
 | ||
| 				let match;
 | ||
| 				const matches = [];
 | ||
| 				while ((match = re.exec(str))) {
 | ||
| 					matches.push(match);
 | ||
| 				}
 | ||
| 				return matches;
 | ||
| 			}
 | ||
| 			if (searchValue.global) {
 | ||
| 				const matches = matchAll(searchValue, this.original);
 | ||
| 				matches.forEach((match) => {
 | ||
| 					if (match.index != null) {
 | ||
| 						const replacement = getReplacement(match, this.original);
 | ||
| 						if (replacement !== match[0]) {
 | ||
| 							this.overwrite(match.index, match.index + match[0].length, replacement);
 | ||
| 						}
 | ||
| 					}
 | ||
| 				});
 | ||
| 			} else {
 | ||
| 				const match = this.original.match(searchValue);
 | ||
| 				if (match && match.index != null) {
 | ||
| 					const replacement = getReplacement(match, this.original);
 | ||
| 					if (replacement !== match[0]) {
 | ||
| 						this.overwrite(match.index, match.index + match[0].length, replacement);
 | ||
| 					}
 | ||
| 				}
 | ||
| 			}
 | ||
| 			return this;
 | ||
| 		}
 | ||
| 
 | ||
| 		_replaceString(string, replacement) {
 | ||
| 			const { original } = this;
 | ||
| 			const index = original.indexOf(string);
 | ||
| 
 | ||
| 			if (index !== -1) {
 | ||
| 				this.overwrite(index, index + string.length, replacement);
 | ||
| 			}
 | ||
| 
 | ||
| 			return this;
 | ||
| 		}
 | ||
| 
 | ||
| 		replace(searchValue, replacement) {
 | ||
| 			if (typeof searchValue === 'string') {
 | ||
| 				return this._replaceString(searchValue, replacement);
 | ||
| 			}
 | ||
| 
 | ||
| 			return this._replaceRegexp(searchValue, replacement);
 | ||
| 		}
 | ||
| 
 | ||
| 		_replaceAllString(string, replacement) {
 | ||
| 			const { original } = this;
 | ||
| 			const stringLength = string.length;
 | ||
| 			for (
 | ||
| 				let index = original.indexOf(string);
 | ||
| 				index !== -1;
 | ||
| 				index = original.indexOf(string, index + stringLength)
 | ||
| 			) {
 | ||
| 				const previous = original.slice(index, index + stringLength);
 | ||
| 				if (previous !== replacement) this.overwrite(index, index + stringLength, replacement);
 | ||
| 			}
 | ||
| 
 | ||
| 			return this;
 | ||
| 		}
 | ||
| 
 | ||
| 		replaceAll(searchValue, replacement) {
 | ||
| 			if (typeof searchValue === 'string') {
 | ||
| 				return this._replaceAllString(searchValue, replacement);
 | ||
| 			}
 | ||
| 
 | ||
| 			if (!searchValue.global) {
 | ||
| 				throw new TypeError(
 | ||
| 					'MagicString.prototype.replaceAll called with a non-global RegExp argument',
 | ||
| 				);
 | ||
| 			}
 | ||
| 
 | ||
| 			return this._replaceRegexp(searchValue, replacement);
 | ||
| 		}
 | ||
| 	}
 | ||
| 
 | ||
| 	const hasOwnProp = Object.prototype.hasOwnProperty;
 | ||
| 
 | ||
| 	class Bundle {
 | ||
| 		constructor(options = {}) {
 | ||
| 			this.intro = options.intro || '';
 | ||
| 			this.separator = options.separator !== undefined ? options.separator : '\n';
 | ||
| 			this.sources = [];
 | ||
| 			this.uniqueSources = [];
 | ||
| 			this.uniqueSourceIndexByFilename = {};
 | ||
| 		}
 | ||
| 
 | ||
| 		addSource(source) {
 | ||
| 			if (source instanceof MagicString) {
 | ||
| 				return this.addSource({
 | ||
| 					content: source,
 | ||
| 					filename: source.filename,
 | ||
| 					separator: this.separator,
 | ||
| 				});
 | ||
| 			}
 | ||
| 
 | ||
| 			if (!isObject(source) || !source.content) {
 | ||
| 				throw new Error(
 | ||
| 					'bundle.addSource() takes an object with a `content` property, which should be an instance of MagicString, and an optional `filename`',
 | ||
| 				);
 | ||
| 			}
 | ||
| 
 | ||
| 			['filename', 'ignoreList', 'indentExclusionRanges', 'separator'].forEach((option) => {
 | ||
| 				if (!hasOwnProp.call(source, option)) source[option] = source.content[option];
 | ||
| 			});
 | ||
| 
 | ||
| 			if (source.separator === undefined) {
 | ||
| 				// TODO there's a bunch of this sort of thing, needs cleaning up
 | ||
| 				source.separator = this.separator;
 | ||
| 			}
 | ||
| 
 | ||
| 			if (source.filename) {
 | ||
| 				if (!hasOwnProp.call(this.uniqueSourceIndexByFilename, source.filename)) {
 | ||
| 					this.uniqueSourceIndexByFilename[source.filename] = this.uniqueSources.length;
 | ||
| 					this.uniqueSources.push({ filename: source.filename, content: source.content.original });
 | ||
| 				} else {
 | ||
| 					const uniqueSource = this.uniqueSources[this.uniqueSourceIndexByFilename[source.filename]];
 | ||
| 					if (source.content.original !== uniqueSource.content) {
 | ||
| 						throw new Error(`Illegal source: same filename (${source.filename}), different contents`);
 | ||
| 					}
 | ||
| 				}
 | ||
| 			}
 | ||
| 
 | ||
| 			this.sources.push(source);
 | ||
| 			return this;
 | ||
| 		}
 | ||
| 
 | ||
| 		append(str, options) {
 | ||
| 			this.addSource({
 | ||
| 				content: new MagicString(str),
 | ||
| 				separator: (options && options.separator) || '',
 | ||
| 			});
 | ||
| 
 | ||
| 			return this;
 | ||
| 		}
 | ||
| 
 | ||
| 		clone() {
 | ||
| 			const bundle = new Bundle({
 | ||
| 				intro: this.intro,
 | ||
| 				separator: this.separator,
 | ||
| 			});
 | ||
| 
 | ||
| 			this.sources.forEach((source) => {
 | ||
| 				bundle.addSource({
 | ||
| 					filename: source.filename,
 | ||
| 					content: source.content.clone(),
 | ||
| 					separator: source.separator,
 | ||
| 				});
 | ||
| 			});
 | ||
| 
 | ||
| 			return bundle;
 | ||
| 		}
 | ||
| 
 | ||
| 		generateDecodedMap(options = {}) {
 | ||
| 			const names = [];
 | ||
| 			let x_google_ignoreList = undefined;
 | ||
| 			this.sources.forEach((source) => {
 | ||
| 				Object.keys(source.content.storedNames).forEach((name) => {
 | ||
| 					if (!~names.indexOf(name)) names.push(name);
 | ||
| 				});
 | ||
| 			});
 | ||
| 
 | ||
| 			const mappings = new Mappings(options.hires);
 | ||
| 
 | ||
| 			if (this.intro) {
 | ||
| 				mappings.advance(this.intro);
 | ||
| 			}
 | ||
| 
 | ||
| 			this.sources.forEach((source, i) => {
 | ||
| 				if (i > 0) {
 | ||
| 					mappings.advance(this.separator);
 | ||
| 				}
 | ||
| 
 | ||
| 				const sourceIndex = source.filename ? this.uniqueSourceIndexByFilename[source.filename] : -1;
 | ||
| 				const magicString = source.content;
 | ||
| 				const locate = getLocator(magicString.original);
 | ||
| 
 | ||
| 				if (magicString.intro) {
 | ||
| 					mappings.advance(magicString.intro);
 | ||
| 				}
 | ||
| 
 | ||
| 				magicString.firstChunk.eachNext((chunk) => {
 | ||
| 					const loc = locate(chunk.start);
 | ||
| 
 | ||
| 					if (chunk.intro.length) mappings.advance(chunk.intro);
 | ||
| 
 | ||
| 					if (source.filename) {
 | ||
| 						if (chunk.edited) {
 | ||
| 							mappings.addEdit(
 | ||
| 								sourceIndex,
 | ||
| 								chunk.content,
 | ||
| 								loc,
 | ||
| 								chunk.storeName ? names.indexOf(chunk.original) : -1,
 | ||
| 							);
 | ||
| 						} else {
 | ||
| 							mappings.addUneditedChunk(
 | ||
| 								sourceIndex,
 | ||
| 								chunk,
 | ||
| 								magicString.original,
 | ||
| 								loc,
 | ||
| 								magicString.sourcemapLocations,
 | ||
| 							);
 | ||
| 						}
 | ||
| 					} else {
 | ||
| 						mappings.advance(chunk.content);
 | ||
| 					}
 | ||
| 
 | ||
| 					if (chunk.outro.length) mappings.advance(chunk.outro);
 | ||
| 				});
 | ||
| 
 | ||
| 				if (magicString.outro) {
 | ||
| 					mappings.advance(magicString.outro);
 | ||
| 				}
 | ||
| 
 | ||
| 				if (source.ignoreList && sourceIndex !== -1) {
 | ||
| 					if (x_google_ignoreList === undefined) {
 | ||
| 						x_google_ignoreList = [];
 | ||
| 					}
 | ||
| 					x_google_ignoreList.push(sourceIndex);
 | ||
| 				}
 | ||
| 			});
 | ||
| 
 | ||
| 			return {
 | ||
| 				file: options.file ? options.file.split(/[/\\]/).pop() : undefined,
 | ||
| 				sources: this.uniqueSources.map((source) => {
 | ||
| 					return options.file ? getRelativePath(options.file, source.filename) : source.filename;
 | ||
| 				}),
 | ||
| 				sourcesContent: this.uniqueSources.map((source) => {
 | ||
| 					return options.includeContent ? source.content : null;
 | ||
| 				}),
 | ||
| 				names,
 | ||
| 				mappings: mappings.raw,
 | ||
| 				x_google_ignoreList,
 | ||
| 			};
 | ||
| 		}
 | ||
| 
 | ||
| 		generateMap(options) {
 | ||
| 			return new SourceMap(this.generateDecodedMap(options));
 | ||
| 		}
 | ||
| 
 | ||
| 		getIndentString() {
 | ||
| 			const indentStringCounts = {};
 | ||
| 
 | ||
| 			this.sources.forEach((source) => {
 | ||
| 				const indentStr = source.content._getRawIndentString();
 | ||
| 
 | ||
| 				if (indentStr === null) return;
 | ||
| 
 | ||
| 				if (!indentStringCounts[indentStr]) indentStringCounts[indentStr] = 0;
 | ||
| 				indentStringCounts[indentStr] += 1;
 | ||
| 			});
 | ||
| 
 | ||
| 			return (
 | ||
| 				Object.keys(indentStringCounts).sort((a, b) => {
 | ||
| 					return indentStringCounts[a] - indentStringCounts[b];
 | ||
| 				})[0] || '\t'
 | ||
| 			);
 | ||
| 		}
 | ||
| 
 | ||
| 		indent(indentStr) {
 | ||
| 			if (!arguments.length) {
 | ||
| 				indentStr = this.getIndentString();
 | ||
| 			}
 | ||
| 
 | ||
| 			if (indentStr === '') return this; // noop
 | ||
| 
 | ||
| 			let trailingNewline = !this.intro || this.intro.slice(-1) === '\n';
 | ||
| 
 | ||
| 			this.sources.forEach((source, i) => {
 | ||
| 				const separator = source.separator !== undefined ? source.separator : this.separator;
 | ||
| 				const indentStart = trailingNewline || (i > 0 && /\r?\n$/.test(separator));
 | ||
| 
 | ||
| 				source.content.indent(indentStr, {
 | ||
| 					exclude: source.indentExclusionRanges,
 | ||
| 					indentStart, //: trailingNewline || /\r?\n$/.test( separator )  //true///\r?\n/.test( separator )
 | ||
| 				});
 | ||
| 
 | ||
| 				trailingNewline = source.content.lastChar() === '\n';
 | ||
| 			});
 | ||
| 
 | ||
| 			if (this.intro) {
 | ||
| 				this.intro =
 | ||
| 					indentStr +
 | ||
| 					this.intro.replace(/^[^\n]/gm, (match, index) => {
 | ||
| 						return index > 0 ? indentStr + match : match;
 | ||
| 					});
 | ||
| 			}
 | ||
| 
 | ||
| 			return this;
 | ||
| 		}
 | ||
| 
 | ||
| 		prepend(str) {
 | ||
| 			this.intro = str + this.intro;
 | ||
| 			return this;
 | ||
| 		}
 | ||
| 
 | ||
| 		toString() {
 | ||
| 			const body = this.sources
 | ||
| 				.map((source, i) => {
 | ||
| 					const separator = source.separator !== undefined ? source.separator : this.separator;
 | ||
| 					const str = (i > 0 ? separator : '') + source.content.toString();
 | ||
| 
 | ||
| 					return str;
 | ||
| 				})
 | ||
| 				.join('');
 | ||
| 
 | ||
| 			return this.intro + body;
 | ||
| 		}
 | ||
| 
 | ||
| 		isEmpty() {
 | ||
| 			if (this.intro.length && this.intro.trim()) return false;
 | ||
| 			if (this.sources.some((source) => !source.content.isEmpty())) return false;
 | ||
| 			return true;
 | ||
| 		}
 | ||
| 
 | ||
| 		length() {
 | ||
| 			return this.sources.reduce(
 | ||
| 				(length, source) => length + source.content.length(),
 | ||
| 				this.intro.length,
 | ||
| 			);
 | ||
| 		}
 | ||
| 
 | ||
| 		trimLines() {
 | ||
| 			return this.trim('[\\r\\n]');
 | ||
| 		}
 | ||
| 
 | ||
| 		trim(charType) {
 | ||
| 			return this.trimStart(charType).trimEnd(charType);
 | ||
| 		}
 | ||
| 
 | ||
| 		trimStart(charType) {
 | ||
| 			const rx = new RegExp('^' + (charType || '\\s') + '+');
 | ||
| 			this.intro = this.intro.replace(rx, '');
 | ||
| 
 | ||
| 			if (!this.intro) {
 | ||
| 				let source;
 | ||
| 				let i = 0;
 | ||
| 
 | ||
| 				do {
 | ||
| 					source = this.sources[i++];
 | ||
| 					if (!source) {
 | ||
| 						break;
 | ||
| 					}
 | ||
| 				} while (!source.content.trimStartAborted(charType));
 | ||
| 			}
 | ||
| 
 | ||
| 			return this;
 | ||
| 		}
 | ||
| 
 | ||
| 		trimEnd(charType) {
 | ||
| 			const rx = new RegExp((charType || '\\s') + '+$');
 | ||
| 
 | ||
| 			let source;
 | ||
| 			let i = this.sources.length - 1;
 | ||
| 
 | ||
| 			do {
 | ||
| 				source = this.sources[i--];
 | ||
| 				if (!source) {
 | ||
| 					this.intro = this.intro.replace(rx, '');
 | ||
| 					break;
 | ||
| 				}
 | ||
| 			} while (!source.content.trimEndAborted(charType));
 | ||
| 
 | ||
| 			return this;
 | ||
| 		}
 | ||
| 	}
 | ||
| 
 | ||
| 	MagicString.Bundle = Bundle;
 | ||
| 	MagicString.SourceMap = SourceMap;
 | ||
| 	MagicString.default = MagicString; // work around TypeScript bug https://github.com/Rich-Harris/magic-string/pull/121
 | ||
| 
 | ||
| 	return MagicString;
 | ||
| 
 | ||
| }));
 | ||
| //# sourceMappingURL=magic-string.umd.js.map
 |