source: trip-planner-front/node_modules/magic-string/dist/magic-string.umd.js@ eed0bf8

Last change on this file since eed0bf8 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit
  • Property mode set to 100644
File size: 36.2 KB
RevLine 
[6a3a178]1(function (global, factory) {
2 typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
3 typeof define === 'function' && define.amd ? define(factory) :
4 (global = global || self, global.MagicString = factory());
5}(this, function () { 'use strict';
6
7 var BitSet = function BitSet(arg) {
8 this.bits = arg instanceof BitSet ? arg.bits.slice() : [];
9 };
10
11 BitSet.prototype.add = function add (n) {
12 this.bits[n >> 5] |= 1 << (n & 31);
13 };
14
15 BitSet.prototype.has = function has (n) {
16 return !!(this.bits[n >> 5] & (1 << (n & 31)));
17 };
18
19 var Chunk = function Chunk(start, end, content) {
20 this.start = start;
21 this.end = end;
22 this.original = content;
23
24 this.intro = '';
25 this.outro = '';
26
27 this.content = content;
28 this.storeName = false;
29 this.edited = false;
30
31 // we make these non-enumerable, for sanity while debugging
32 Object.defineProperties(this, {
33 previous: { writable: true, value: null },
34 next: { writable: true, value: null }
35 });
36 };
37
38 Chunk.prototype.appendLeft = function appendLeft (content) {
39 this.outro += content;
40 };
41
42 Chunk.prototype.appendRight = function appendRight (content) {
43 this.intro = this.intro + content;
44 };
45
46 Chunk.prototype.clone = function clone () {
47 var chunk = new Chunk(this.start, this.end, this.original);
48
49 chunk.intro = this.intro;
50 chunk.outro = this.outro;
51 chunk.content = this.content;
52 chunk.storeName = this.storeName;
53 chunk.edited = this.edited;
54
55 return chunk;
56 };
57
58 Chunk.prototype.contains = function contains (index) {
59 return this.start < index && index < this.end;
60 };
61
62 Chunk.prototype.eachNext = function eachNext (fn) {
63 var chunk = this;
64 while (chunk) {
65 fn(chunk);
66 chunk = chunk.next;
67 }
68 };
69
70 Chunk.prototype.eachPrevious = function eachPrevious (fn) {
71 var chunk = this;
72 while (chunk) {
73 fn(chunk);
74 chunk = chunk.previous;
75 }
76 };
77
78 Chunk.prototype.edit = function edit (content, storeName, contentOnly) {
79 this.content = content;
80 if (!contentOnly) {
81 this.intro = '';
82 this.outro = '';
83 }
84 this.storeName = storeName;
85
86 this.edited = true;
87
88 return this;
89 };
90
91 Chunk.prototype.prependLeft = function prependLeft (content) {
92 this.outro = content + this.outro;
93 };
94
95 Chunk.prototype.prependRight = function prependRight (content) {
96 this.intro = content + this.intro;
97 };
98
99 Chunk.prototype.split = function split (index) {
100 var sliceIndex = index - this.start;
101
102 var originalBefore = this.original.slice(0, sliceIndex);
103 var originalAfter = this.original.slice(sliceIndex);
104
105 this.original = originalBefore;
106
107 var newChunk = new Chunk(index, this.end, originalAfter);
108 newChunk.outro = this.outro;
109 this.outro = '';
110
111 this.end = index;
112
113 if (this.edited) {
114 // TODO is this block necessary?...
115 newChunk.edit('', false);
116 this.content = '';
117 } else {
118 this.content = originalBefore;
119 }
120
121 newChunk.next = this.next;
122 if (newChunk.next) { newChunk.next.previous = newChunk; }
123 newChunk.previous = this;
124 this.next = newChunk;
125
126 return newChunk;
127 };
128
129 Chunk.prototype.toString = function toString () {
130 return this.intro + this.content + this.outro;
131 };
132
133 Chunk.prototype.trimEnd = function trimEnd (rx) {
134 this.outro = this.outro.replace(rx, '');
135 if (this.outro.length) { return true; }
136
137 var trimmed = this.content.replace(rx, '');
138
139 if (trimmed.length) {
140 if (trimmed !== this.content) {
141 this.split(this.start + trimmed.length).edit('', undefined, true);
142 }
143 return true;
144
145 } else {
146 this.edit('', undefined, true);
147
148 this.intro = this.intro.replace(rx, '');
149 if (this.intro.length) { return true; }
150 }
151 };
152
153 Chunk.prototype.trimStart = function trimStart (rx) {
154 this.intro = this.intro.replace(rx, '');
155 if (this.intro.length) { return true; }
156
157 var trimmed = this.content.replace(rx, '');
158
159 if (trimmed.length) {
160 if (trimmed !== this.content) {
161 this.split(this.end - trimmed.length);
162 this.edit('', undefined, true);
163 }
164 return true;
165
166 } else {
167 this.edit('', undefined, true);
168
169 this.outro = this.outro.replace(rx, '');
170 if (this.outro.length) { return true; }
171 }
172 };
173
174 var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
175 function encode(decoded) {
176 var sourceFileIndex = 0; // second field
177 var sourceCodeLine = 0; // third field
178 var sourceCodeColumn = 0; // fourth field
179 var nameIndex = 0; // fifth field
180 var mappings = '';
181 for (var i = 0; i < decoded.length; i++) {
182 var line = decoded[i];
183 if (i > 0)
184 mappings += ';';
185 if (line.length === 0)
186 continue;
187 var generatedCodeColumn = 0; // first field
188 var lineMappings = [];
189 for (var _i = 0, line_1 = line; _i < line_1.length; _i++) {
190 var segment = line_1[_i];
191 var segmentMappings = encodeInteger(segment[0] - generatedCodeColumn);
192 generatedCodeColumn = segment[0];
193 if (segment.length > 1) {
194 segmentMappings +=
195 encodeInteger(segment[1] - sourceFileIndex) +
196 encodeInteger(segment[2] - sourceCodeLine) +
197 encodeInteger(segment[3] - sourceCodeColumn);
198 sourceFileIndex = segment[1];
199 sourceCodeLine = segment[2];
200 sourceCodeColumn = segment[3];
201 }
202 if (segment.length === 5) {
203 segmentMappings += encodeInteger(segment[4] - nameIndex);
204 nameIndex = segment[4];
205 }
206 lineMappings.push(segmentMappings);
207 }
208 mappings += lineMappings.join(',');
209 }
210 return mappings;
211 }
212 function encodeInteger(num) {
213 var result = '';
214 num = num < 0 ? (-num << 1) | 1 : num << 1;
215 do {
216 var clamped = num & 31;
217 num >>= 5;
218 if (num > 0) {
219 clamped |= 32;
220 }
221 result += chars[clamped];
222 } while (num > 0);
223 return result;
224 }
225
226 var btoa = function () {
227 throw new Error('Unsupported environment: `window.btoa` or `Buffer` should be supported.');
228 };
229 if (typeof window !== 'undefined' && typeof window.btoa === 'function') {
230 btoa = function (str) { return window.btoa(unescape(encodeURIComponent(str))); };
231 } else if (typeof Buffer === 'function') {
232 btoa = function (str) { return Buffer.from(str, 'utf-8').toString('base64'); };
233 }
234
235 var SourceMap = function SourceMap(properties) {
236 this.version = 3;
237 this.file = properties.file;
238 this.sources = properties.sources;
239 this.sourcesContent = properties.sourcesContent;
240 this.names = properties.names;
241 this.mappings = encode(properties.mappings);
242 };
243
244 SourceMap.prototype.toString = function toString () {
245 return JSON.stringify(this);
246 };
247
248 SourceMap.prototype.toUrl = function toUrl () {
249 return 'data:application/json;charset=utf-8;base64,' + btoa(this.toString());
250 };
251
252 function guessIndent(code) {
253 var lines = code.split('\n');
254
255 var tabbed = lines.filter(function (line) { return /^\t+/.test(line); });
256 var spaced = lines.filter(function (line) { return /^ {2,}/.test(line); });
257
258 if (tabbed.length === 0 && spaced.length === 0) {
259 return null;
260 }
261
262 // More lines tabbed than spaced? Assume tabs, and
263 // default to tabs in the case of a tie (or nothing
264 // to go on)
265 if (tabbed.length >= spaced.length) {
266 return '\t';
267 }
268
269 // Otherwise, we need to guess the multiple
270 var min = spaced.reduce(function (previous, current) {
271 var numSpaces = /^ +/.exec(current)[0].length;
272 return Math.min(numSpaces, previous);
273 }, Infinity);
274
275 return new Array(min + 1).join(' ');
276 }
277
278 function getRelativePath(from, to) {
279 var fromParts = from.split(/[/\\]/);
280 var toParts = to.split(/[/\\]/);
281
282 fromParts.pop(); // get dirname
283
284 while (fromParts[0] === toParts[0]) {
285 fromParts.shift();
286 toParts.shift();
287 }
288
289 if (fromParts.length) {
290 var i = fromParts.length;
291 while (i--) { fromParts[i] = '..'; }
292 }
293
294 return fromParts.concat(toParts).join('/');
295 }
296
297 var toString = Object.prototype.toString;
298
299 function isObject(thing) {
300 return toString.call(thing) === '[object Object]';
301 }
302
303 function getLocator(source) {
304 var originalLines = source.split('\n');
305 var lineOffsets = [];
306
307 for (var i = 0, pos = 0; i < originalLines.length; i++) {
308 lineOffsets.push(pos);
309 pos += originalLines[i].length + 1;
310 }
311
312 return function locate(index) {
313 var i = 0;
314 var j = lineOffsets.length;
315 while (i < j) {
316 var m = (i + j) >> 1;
317 if (index < lineOffsets[m]) {
318 j = m;
319 } else {
320 i = m + 1;
321 }
322 }
323 var line = i - 1;
324 var column = index - lineOffsets[line];
325 return { line: line, column: column };
326 };
327 }
328
329 var Mappings = function Mappings(hires) {
330 this.hires = hires;
331 this.generatedCodeLine = 0;
332 this.generatedCodeColumn = 0;
333 this.raw = [];
334 this.rawSegments = this.raw[this.generatedCodeLine] = [];
335 this.pending = null;
336 };
337
338 Mappings.prototype.addEdit = function addEdit (sourceIndex, content, loc, nameIndex) {
339 if (content.length) {
340 var segment = [this.generatedCodeColumn, sourceIndex, loc.line, loc.column];
341 if (nameIndex >= 0) {
342 segment.push(nameIndex);
343 }
344 this.rawSegments.push(segment);
345 } else if (this.pending) {
346 this.rawSegments.push(this.pending);
347 }
348
349 this.advance(content);
350 this.pending = null;
351 };
352
353 Mappings.prototype.addUneditedChunk = function addUneditedChunk (sourceIndex, chunk, original, loc, sourcemapLocations) {
354 var originalCharIndex = chunk.start;
355 var first = true;
356
357 while (originalCharIndex < chunk.end) {
358 if (this.hires || first || sourcemapLocations.has(originalCharIndex)) {
359 this.rawSegments.push([this.generatedCodeColumn, sourceIndex, loc.line, loc.column]);
360 }
361
362 if (original[originalCharIndex] === '\n') {
363 loc.line += 1;
364 loc.column = 0;
365 this.generatedCodeLine += 1;
366 this.raw[this.generatedCodeLine] = this.rawSegments = [];
367 this.generatedCodeColumn = 0;
368 first = true;
369 } else {
370 loc.column += 1;
371 this.generatedCodeColumn += 1;
372 first = false;
373 }
374
375 originalCharIndex += 1;
376 }
377
378 this.pending = null;
379 };
380
381 Mappings.prototype.advance = function advance (str) {
382 if (!str) { return; }
383
384 var lines = str.split('\n');
385
386 if (lines.length > 1) {
387 for (var i = 0; i < lines.length - 1; i++) {
388 this.generatedCodeLine++;
389 this.raw[this.generatedCodeLine] = this.rawSegments = [];
390 }
391 this.generatedCodeColumn = 0;
392 }
393
394 this.generatedCodeColumn += lines[lines.length - 1].length;
395 };
396
397 var n = '\n';
398
399 var warned = {
400 insertLeft: false,
401 insertRight: false,
402 storeName: false
403 };
404
405 var MagicString = function MagicString(string, options) {
406 if ( options === void 0 ) options = {};
407
408 var chunk = new Chunk(0, string.length, string);
409
410 Object.defineProperties(this, {
411 original: { writable: true, value: string },
412 outro: { writable: true, value: '' },
413 intro: { writable: true, value: '' },
414 firstChunk: { writable: true, value: chunk },
415 lastChunk: { writable: true, value: chunk },
416 lastSearchedChunk: { writable: true, value: chunk },
417 byStart: { writable: true, value: {} },
418 byEnd: { writable: true, value: {} },
419 filename: { writable: true, value: options.filename },
420 indentExclusionRanges: { writable: true, value: options.indentExclusionRanges },
421 sourcemapLocations: { writable: true, value: new BitSet() },
422 storedNames: { writable: true, value: {} },
423 indentStr: { writable: true, value: guessIndent(string) }
424 });
425
426 this.byStart[0] = chunk;
427 this.byEnd[string.length] = chunk;
428 };
429
430 MagicString.prototype.addSourcemapLocation = function addSourcemapLocation (char) {
431 this.sourcemapLocations.add(char);
432 };
433
434 MagicString.prototype.append = function append (content) {
435 if (typeof content !== 'string') { throw new TypeError('outro content must be a string'); }
436
437 this.outro += content;
438 return this;
439 };
440
441 MagicString.prototype.appendLeft = function appendLeft (index, content) {
442 if (typeof content !== 'string') { throw new TypeError('inserted content must be a string'); }
443
444 this._split(index);
445
446 var chunk = this.byEnd[index];
447
448 if (chunk) {
449 chunk.appendLeft(content);
450 } else {
451 this.intro += content;
452 }
453 return this;
454 };
455
456 MagicString.prototype.appendRight = function appendRight (index, content) {
457 if (typeof content !== 'string') { throw new TypeError('inserted content must be a string'); }
458
459 this._split(index);
460
461 var chunk = this.byStart[index];
462
463 if (chunk) {
464 chunk.appendRight(content);
465 } else {
466 this.outro += content;
467 }
468 return this;
469 };
470
471 MagicString.prototype.clone = function clone () {
472 var cloned = new MagicString(this.original, { filename: this.filename });
473
474 var originalChunk = this.firstChunk;
475 var clonedChunk = (cloned.firstChunk = cloned.lastSearchedChunk = originalChunk.clone());
476
477 while (originalChunk) {
478 cloned.byStart[clonedChunk.start] = clonedChunk;
479 cloned.byEnd[clonedChunk.end] = clonedChunk;
480
481 var nextOriginalChunk = originalChunk.next;
482 var nextClonedChunk = nextOriginalChunk && nextOriginalChunk.clone();
483
484 if (nextClonedChunk) {
485 clonedChunk.next = nextClonedChunk;
486 nextClonedChunk.previous = clonedChunk;
487
488 clonedChunk = nextClonedChunk;
489 }
490
491 originalChunk = nextOriginalChunk;
492 }
493
494 cloned.lastChunk = clonedChunk;
495
496 if (this.indentExclusionRanges) {
497 cloned.indentExclusionRanges = this.indentExclusionRanges.slice();
498 }
499
500 cloned.sourcemapLocations = new BitSet(this.sourcemapLocations);
501
502 cloned.intro = this.intro;
503 cloned.outro = this.outro;
504
505 return cloned;
506 };
507
508 MagicString.prototype.generateDecodedMap = function generateDecodedMap (options) {
509 var this$1 = this;
510
511 options = options || {};
512
513 var sourceIndex = 0;
514 var names = Object.keys(this.storedNames);
515 var mappings = new Mappings(options.hires);
516
517 var locate = getLocator(this.original);
518
519 if (this.intro) {
520 mappings.advance(this.intro);
521 }
522
523 this.firstChunk.eachNext(function (chunk) {
524 var loc = locate(chunk.start);
525
526 if (chunk.intro.length) { mappings.advance(chunk.intro); }
527
528 if (chunk.edited) {
529 mappings.addEdit(
530 sourceIndex,
531 chunk.content,
532 loc,
533 chunk.storeName ? names.indexOf(chunk.original) : -1
534 );
535 } else {
536 mappings.addUneditedChunk(sourceIndex, chunk, this$1.original, loc, this$1.sourcemapLocations);
537 }
538
539 if (chunk.outro.length) { mappings.advance(chunk.outro); }
540 });
541
542 return {
543 file: options.file ? options.file.split(/[/\\]/).pop() : null,
544 sources: [options.source ? getRelativePath(options.file || '', options.source) : null],
545 sourcesContent: options.includeContent ? [this.original] : [null],
546 names: names,
547 mappings: mappings.raw
548 };
549 };
550
551 MagicString.prototype.generateMap = function generateMap (options) {
552 return new SourceMap(this.generateDecodedMap(options));
553 };
554
555 MagicString.prototype.getIndentString = function getIndentString () {
556 return this.indentStr === null ? '\t' : this.indentStr;
557 };
558
559 MagicString.prototype.indent = function indent (indentStr, options) {
560 var pattern = /^[^\r\n]/gm;
561
562 if (isObject(indentStr)) {
563 options = indentStr;
564 indentStr = undefined;
565 }
566
567 indentStr = indentStr !== undefined ? indentStr : this.indentStr || '\t';
568
569 if (indentStr === '') { return this; } // noop
570
571 options = options || {};
572
573 // Process exclusion ranges
574 var isExcluded = {};
575
576 if (options.exclude) {
577 var exclusions =
578 typeof options.exclude[0] === 'number' ? [options.exclude] : options.exclude;
579 exclusions.forEach(function (exclusion) {
580 for (var i = exclusion[0]; i < exclusion[1]; i += 1) {
581 isExcluded[i] = true;
582 }
583 });
584 }
585
586 var shouldIndentNextCharacter = options.indentStart !== false;
587 var replacer = function (match) {
588 if (shouldIndentNextCharacter) { return ("" + indentStr + match); }
589 shouldIndentNextCharacter = true;
590 return match;
591 };
592
593 this.intro = this.intro.replace(pattern, replacer);
594
595 var charIndex = 0;
596 var chunk = this.firstChunk;
597
598 while (chunk) {
599 var end = chunk.end;
600
601 if (chunk.edited) {
602 if (!isExcluded[charIndex]) {
603 chunk.content = chunk.content.replace(pattern, replacer);
604
605 if (chunk.content.length) {
606 shouldIndentNextCharacter = chunk.content[chunk.content.length - 1] === '\n';
607 }
608 }
609 } else {
610 charIndex = chunk.start;
611
612 while (charIndex < end) {
613 if (!isExcluded[charIndex]) {
614 var char = this.original[charIndex];
615
616 if (char === '\n') {
617 shouldIndentNextCharacter = true;
618 } else if (char !== '\r' && shouldIndentNextCharacter) {
619 shouldIndentNextCharacter = false;
620
621 if (charIndex === chunk.start) {
622 chunk.prependRight(indentStr);
623 } else {
624 this._splitChunk(chunk, charIndex);
625 chunk = chunk.next;
626 chunk.prependRight(indentStr);
627 }
628 }
629 }
630
631 charIndex += 1;
632 }
633 }
634
635 charIndex = chunk.end;
636 chunk = chunk.next;
637 }
638
639 this.outro = this.outro.replace(pattern, replacer);
640
641 return this;
642 };
643
644 MagicString.prototype.insert = function insert () {
645 throw new Error('magicString.insert(...) is deprecated. Use prependRight(...) or appendLeft(...)');
646 };
647
648 MagicString.prototype.insertLeft = function insertLeft (index, content) {
649 if (!warned.insertLeft) {
650 console.warn('magicString.insertLeft(...) is deprecated. Use magicString.appendLeft(...) instead'); // eslint-disable-line no-console
651 warned.insertLeft = true;
652 }
653
654 return this.appendLeft(index, content);
655 };
656
657 MagicString.prototype.insertRight = function insertRight (index, content) {
658 if (!warned.insertRight) {
659 console.warn('magicString.insertRight(...) is deprecated. Use magicString.prependRight(...) instead'); // eslint-disable-line no-console
660 warned.insertRight = true;
661 }
662
663 return this.prependRight(index, content);
664 };
665
666 MagicString.prototype.move = function move (start, end, index) {
667 if (index >= start && index <= end) { throw new Error('Cannot move a selection inside itself'); }
668
669 this._split(start);
670 this._split(end);
671 this._split(index);
672
673 var first = this.byStart[start];
674 var last = this.byEnd[end];
675
676 var oldLeft = first.previous;
677 var oldRight = last.next;
678
679 var newRight = this.byStart[index];
680 if (!newRight && last === this.lastChunk) { return this; }
681 var newLeft = newRight ? newRight.previous : this.lastChunk;
682
683 if (oldLeft) { oldLeft.next = oldRight; }
684 if (oldRight) { oldRight.previous = oldLeft; }
685
686 if (newLeft) { newLeft.next = first; }
687 if (newRight) { newRight.previous = last; }
688
689 if (!first.previous) { this.firstChunk = last.next; }
690 if (!last.next) {
691 this.lastChunk = first.previous;
692 this.lastChunk.next = null;
693 }
694
695 first.previous = newLeft;
696 last.next = newRight || null;
697
698 if (!newLeft) { this.firstChunk = first; }
699 if (!newRight) { this.lastChunk = last; }
700 return this;
701 };
702
703 MagicString.prototype.overwrite = function overwrite (start, end, content, options) {
704 if (typeof content !== 'string') { throw new TypeError('replacement content must be a string'); }
705
706 while (start < 0) { start += this.original.length; }
707 while (end < 0) { end += this.original.length; }
708
709 if (end > this.original.length) { throw new Error('end is out of bounds'); }
710 if (start === end)
711 { throw new Error('Cannot overwrite a zero-length range – use appendLeft or prependRight instead'); }
712
713 this._split(start);
714 this._split(end);
715
716 if (options === true) {
717 if (!warned.storeName) {
718 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
719 warned.storeName = true;
720 }
721
722 options = { storeName: true };
723 }
724 var storeName = options !== undefined ? options.storeName : false;
725 var contentOnly = options !== undefined ? options.contentOnly : false;
726
727 if (storeName) {
728 var original = this.original.slice(start, end);
729 this.storedNames[original] = true;
730 }
731
732 var first = this.byStart[start];
733 var last = this.byEnd[end];
734
735 if (first) {
736 if (end > first.end && first.next !== this.byStart[first.end]) {
737 throw new Error('Cannot overwrite across a split point');
738 }
739
740 first.edit(content, storeName, contentOnly);
741
742 if (first !== last) {
743 var chunk = first.next;
744 while (chunk !== last) {
745 chunk.edit('', false);
746 chunk = chunk.next;
747 }
748
749 chunk.edit('', false);
750 }
751 } else {
752 // must be inserting at the end
753 var newChunk = new Chunk(start, end, '').edit(content, storeName);
754
755 // TODO last chunk in the array may not be the last chunk, if it's moved...
756 last.next = newChunk;
757 newChunk.previous = last;
758 }
759 return this;
760 };
761
762 MagicString.prototype.prepend = function prepend (content) {
763 if (typeof content !== 'string') { throw new TypeError('outro content must be a string'); }
764
765 this.intro = content + this.intro;
766 return this;
767 };
768
769 MagicString.prototype.prependLeft = function prependLeft (index, content) {
770 if (typeof content !== 'string') { throw new TypeError('inserted content must be a string'); }
771
772 this._split(index);
773
774 var chunk = this.byEnd[index];
775
776 if (chunk) {
777 chunk.prependLeft(content);
778 } else {
779 this.intro = content + this.intro;
780 }
781 return this;
782 };
783
784 MagicString.prototype.prependRight = function prependRight (index, content) {
785 if (typeof content !== 'string') { throw new TypeError('inserted content must be a string'); }
786
787 this._split(index);
788
789 var chunk = this.byStart[index];
790
791 if (chunk) {
792 chunk.prependRight(content);
793 } else {
794 this.outro = content + this.outro;
795 }
796 return this;
797 };
798
799 MagicString.prototype.remove = function remove (start, end) {
800 while (start < 0) { start += this.original.length; }
801 while (end < 0) { end += this.original.length; }
802
803 if (start === end) { return this; }
804
805 if (start < 0 || end > this.original.length) { throw new Error('Character is out of bounds'); }
806 if (start > end) { throw new Error('end must be greater than start'); }
807
808 this._split(start);
809 this._split(end);
810
811 var chunk = this.byStart[start];
812
813 while (chunk) {
814 chunk.intro = '';
815 chunk.outro = '';
816 chunk.edit('');
817
818 chunk = end > chunk.end ? this.byStart[chunk.end] : null;
819 }
820 return this;
821 };
822
823 MagicString.prototype.lastChar = function lastChar () {
824 if (this.outro.length)
825 { return this.outro[this.outro.length - 1]; }
826 var chunk = this.lastChunk;
827 do {
828 if (chunk.outro.length)
829 { return chunk.outro[chunk.outro.length - 1]; }
830 if (chunk.content.length)
831 { return chunk.content[chunk.content.length - 1]; }
832 if (chunk.intro.length)
833 { return chunk.intro[chunk.intro.length - 1]; }
834 } while (chunk = chunk.previous);
835 if (this.intro.length)
836 { return this.intro[this.intro.length - 1]; }
837 return '';
838 };
839
840 MagicString.prototype.lastLine = function lastLine () {
841 var lineIndex = this.outro.lastIndexOf(n);
842 if (lineIndex !== -1)
843 { return this.outro.substr(lineIndex + 1); }
844 var lineStr = this.outro;
845 var chunk = this.lastChunk;
846 do {
847 if (chunk.outro.length > 0) {
848 lineIndex = chunk.outro.lastIndexOf(n);
849 if (lineIndex !== -1)
850 { return chunk.outro.substr(lineIndex + 1) + lineStr; }
851 lineStr = chunk.outro + lineStr;
852 }
853
854 if (chunk.content.length > 0) {
855 lineIndex = chunk.content.lastIndexOf(n);
856 if (lineIndex !== -1)
857 { return chunk.content.substr(lineIndex + 1) + lineStr; }
858 lineStr = chunk.content + lineStr;
859 }
860
861 if (chunk.intro.length > 0) {
862 lineIndex = chunk.intro.lastIndexOf(n);
863 if (lineIndex !== -1)
864 { return chunk.intro.substr(lineIndex + 1) + lineStr; }
865 lineStr = chunk.intro + lineStr;
866 }
867 } while (chunk = chunk.previous);
868 lineIndex = this.intro.lastIndexOf(n);
869 if (lineIndex !== -1)
870 { return this.intro.substr(lineIndex + 1) + lineStr; }
871 return this.intro + lineStr;
872 };
873
874 MagicString.prototype.slice = function slice (start, end) {
875 if ( start === void 0 ) start = 0;
876 if ( end === void 0 ) end = this.original.length;
877
878 while (start < 0) { start += this.original.length; }
879 while (end < 0) { end += this.original.length; }
880
881 var result = '';
882
883 // find start chunk
884 var chunk = this.firstChunk;
885 while (chunk && (chunk.start > start || chunk.end <= start)) {
886 // found end chunk before start
887 if (chunk.start < end && chunk.end >= end) {
888 return result;
889 }
890
891 chunk = chunk.next;
892 }
893
894 if (chunk && chunk.edited && chunk.start !== start)
895 { throw new Error(("Cannot use replaced character " + start + " as slice start anchor.")); }
896
897 var startChunk = chunk;
898 while (chunk) {
899 if (chunk.intro && (startChunk !== chunk || chunk.start === start)) {
900 result += chunk.intro;
901 }
902
903 var containsEnd = chunk.start < end && chunk.end >= end;
904 if (containsEnd && chunk.edited && chunk.end !== end)
905 { throw new Error(("Cannot use replaced character " + end + " as slice end anchor.")); }
906
907 var sliceStart = startChunk === chunk ? start - chunk.start : 0;
908 var sliceEnd = containsEnd ? chunk.content.length + end - chunk.end : chunk.content.length;
909
910 result += chunk.content.slice(sliceStart, sliceEnd);
911
912 if (chunk.outro && (!containsEnd || chunk.end === end)) {
913 result += chunk.outro;
914 }
915
916 if (containsEnd) {
917 break;
918 }
919
920 chunk = chunk.next;
921 }
922
923 return result;
924 };
925
926 // TODO deprecate this? not really very useful
927 MagicString.prototype.snip = function snip (start, end) {
928 var clone = this.clone();
929 clone.remove(0, start);
930 clone.remove(end, clone.original.length);
931
932 return clone;
933 };
934
935 MagicString.prototype._split = function _split (index) {
936 if (this.byStart[index] || this.byEnd[index]) { return; }
937
938 var chunk = this.lastSearchedChunk;
939 var searchForward = index > chunk.end;
940
941 while (chunk) {
942 if (chunk.contains(index)) { return this._splitChunk(chunk, index); }
943
944 chunk = searchForward ? this.byStart[chunk.end] : this.byEnd[chunk.start];
945 }
946 };
947
948 MagicString.prototype._splitChunk = function _splitChunk (chunk, index) {
949 if (chunk.edited && chunk.content.length) {
950 // zero-length edited chunks are a special case (overlapping replacements)
951 var loc = getLocator(this.original)(index);
952 throw new Error(
953 ("Cannot split a chunk that has already been edited (" + (loc.line) + ":" + (loc.column) + " – \"" + (chunk.original) + "\")")
954 );
955 }
956
957 var newChunk = chunk.split(index);
958
959 this.byEnd[index] = chunk;
960 this.byStart[index] = newChunk;
961 this.byEnd[newChunk.end] = newChunk;
962
963 if (chunk === this.lastChunk) { this.lastChunk = newChunk; }
964
965 this.lastSearchedChunk = chunk;
966 return true;
967 };
968
969 MagicString.prototype.toString = function toString () {
970 var str = this.intro;
971
972 var chunk = this.firstChunk;
973 while (chunk) {
974 str += chunk.toString();
975 chunk = chunk.next;
976 }
977
978 return str + this.outro;
979 };
980
981 MagicString.prototype.isEmpty = function isEmpty () {
982 var chunk = this.firstChunk;
983 do {
984 if (chunk.intro.length && chunk.intro.trim() ||
985 chunk.content.length && chunk.content.trim() ||
986 chunk.outro.length && chunk.outro.trim())
987 { return false; }
988 } while (chunk = chunk.next);
989 return true;
990 };
991
992 MagicString.prototype.length = function length () {
993 var chunk = this.firstChunk;
994 var length = 0;
995 do {
996 length += chunk.intro.length + chunk.content.length + chunk.outro.length;
997 } while (chunk = chunk.next);
998 return length;
999 };
1000
1001 MagicString.prototype.trimLines = function trimLines () {
1002 return this.trim('[\\r\\n]');
1003 };
1004
1005 MagicString.prototype.trim = function trim (charType) {
1006 return this.trimStart(charType).trimEnd(charType);
1007 };
1008
1009 MagicString.prototype.trimEndAborted = function trimEndAborted (charType) {
1010 var rx = new RegExp((charType || '\\s') + '+$');
1011
1012 this.outro = this.outro.replace(rx, '');
1013 if (this.outro.length) { return true; }
1014
1015 var chunk = this.lastChunk;
1016
1017 do {
1018 var end = chunk.end;
1019 var aborted = chunk.trimEnd(rx);
1020
1021 // if chunk was trimmed, we have a new lastChunk
1022 if (chunk.end !== end) {
1023 if (this.lastChunk === chunk) {
1024 this.lastChunk = chunk.next;
1025 }
1026
1027 this.byEnd[chunk.end] = chunk;
1028 this.byStart[chunk.next.start] = chunk.next;
1029 this.byEnd[chunk.next.end] = chunk.next;
1030 }
1031
1032 if (aborted) { return true; }
1033 chunk = chunk.previous;
1034 } while (chunk);
1035
1036 return false;
1037 };
1038
1039 MagicString.prototype.trimEnd = function trimEnd (charType) {
1040 this.trimEndAborted(charType);
1041 return this;
1042 };
1043 MagicString.prototype.trimStartAborted = function trimStartAborted (charType) {
1044 var rx = new RegExp('^' + (charType || '\\s') + '+');
1045
1046 this.intro = this.intro.replace(rx, '');
1047 if (this.intro.length) { return true; }
1048
1049 var chunk = this.firstChunk;
1050
1051 do {
1052 var end = chunk.end;
1053 var aborted = chunk.trimStart(rx);
1054
1055 if (chunk.end !== end) {
1056 // special case...
1057 if (chunk === this.lastChunk) { this.lastChunk = chunk.next; }
1058
1059 this.byEnd[chunk.end] = chunk;
1060 this.byStart[chunk.next.start] = chunk.next;
1061 this.byEnd[chunk.next.end] = chunk.next;
1062 }
1063
1064 if (aborted) { return true; }
1065 chunk = chunk.next;
1066 } while (chunk);
1067
1068 return false;
1069 };
1070
1071 MagicString.prototype.trimStart = function trimStart (charType) {
1072 this.trimStartAborted(charType);
1073 return this;
1074 };
1075
1076 var hasOwnProp = Object.prototype.hasOwnProperty;
1077
1078 var Bundle = function Bundle(options) {
1079 if ( options === void 0 ) options = {};
1080
1081 this.intro = options.intro || '';
1082 this.separator = options.separator !== undefined ? options.separator : '\n';
1083 this.sources = [];
1084 this.uniqueSources = [];
1085 this.uniqueSourceIndexByFilename = {};
1086 };
1087
1088 Bundle.prototype.addSource = function addSource (source) {
1089 if (source instanceof MagicString) {
1090 return this.addSource({
1091 content: source,
1092 filename: source.filename,
1093 separator: this.separator
1094 });
1095 }
1096
1097 if (!isObject(source) || !source.content) {
1098 throw new Error('bundle.addSource() takes an object with a `content` property, which should be an instance of MagicString, and an optional `filename`');
1099 }
1100
1101 ['filename', 'indentExclusionRanges', 'separator'].forEach(function (option) {
1102 if (!hasOwnProp.call(source, option)) { source[option] = source.content[option]; }
1103 });
1104
1105 if (source.separator === undefined) {
1106 // TODO there's a bunch of this sort of thing, needs cleaning up
1107 source.separator = this.separator;
1108 }
1109
1110 if (source.filename) {
1111 if (!hasOwnProp.call(this.uniqueSourceIndexByFilename, source.filename)) {
1112 this.uniqueSourceIndexByFilename[source.filename] = this.uniqueSources.length;
1113 this.uniqueSources.push({ filename: source.filename, content: source.content.original });
1114 } else {
1115 var uniqueSource = this.uniqueSources[this.uniqueSourceIndexByFilename[source.filename]];
1116 if (source.content.original !== uniqueSource.content) {
1117 throw new Error(("Illegal source: same filename (" + (source.filename) + "), different contents"));
1118 }
1119 }
1120 }
1121
1122 this.sources.push(source);
1123 return this;
1124 };
1125
1126 Bundle.prototype.append = function append (str, options) {
1127 this.addSource({
1128 content: new MagicString(str),
1129 separator: (options && options.separator) || ''
1130 });
1131
1132 return this;
1133 };
1134
1135 Bundle.prototype.clone = function clone () {
1136 var bundle = new Bundle({
1137 intro: this.intro,
1138 separator: this.separator
1139 });
1140
1141 this.sources.forEach(function (source) {
1142 bundle.addSource({
1143 filename: source.filename,
1144 content: source.content.clone(),
1145 separator: source.separator
1146 });
1147 });
1148
1149 return bundle;
1150 };
1151
1152 Bundle.prototype.generateDecodedMap = function generateDecodedMap (options) {
1153 var this$1 = this;
1154 if ( options === void 0 ) options = {};
1155
1156 var names = [];
1157 this.sources.forEach(function (source) {
1158 Object.keys(source.content.storedNames).forEach(function (name) {
1159 if (!~names.indexOf(name)) { names.push(name); }
1160 });
1161 });
1162
1163 var mappings = new Mappings(options.hires);
1164
1165 if (this.intro) {
1166 mappings.advance(this.intro);
1167 }
1168
1169 this.sources.forEach(function (source, i) {
1170 if (i > 0) {
1171 mappings.advance(this$1.separator);
1172 }
1173
1174 var sourceIndex = source.filename ? this$1.uniqueSourceIndexByFilename[source.filename] : -1;
1175 var magicString = source.content;
1176 var locate = getLocator(magicString.original);
1177
1178 if (magicString.intro) {
1179 mappings.advance(magicString.intro);
1180 }
1181
1182 magicString.firstChunk.eachNext(function (chunk) {
1183 var loc = locate(chunk.start);
1184
1185 if (chunk.intro.length) { mappings.advance(chunk.intro); }
1186
1187 if (source.filename) {
1188 if (chunk.edited) {
1189 mappings.addEdit(
1190 sourceIndex,
1191 chunk.content,
1192 loc,
1193 chunk.storeName ? names.indexOf(chunk.original) : -1
1194 );
1195 } else {
1196 mappings.addUneditedChunk(
1197 sourceIndex,
1198 chunk,
1199 magicString.original,
1200 loc,
1201 magicString.sourcemapLocations
1202 );
1203 }
1204 } else {
1205 mappings.advance(chunk.content);
1206 }
1207
1208 if (chunk.outro.length) { mappings.advance(chunk.outro); }
1209 });
1210
1211 if (magicString.outro) {
1212 mappings.advance(magicString.outro);
1213 }
1214 });
1215
1216 return {
1217 file: options.file ? options.file.split(/[/\\]/).pop() : null,
1218 sources: this.uniqueSources.map(function (source) {
1219 return options.file ? getRelativePath(options.file, source.filename) : source.filename;
1220 }),
1221 sourcesContent: this.uniqueSources.map(function (source) {
1222 return options.includeContent ? source.content : null;
1223 }),
1224 names: names,
1225 mappings: mappings.raw
1226 };
1227 };
1228
1229 Bundle.prototype.generateMap = function generateMap (options) {
1230 return new SourceMap(this.generateDecodedMap(options));
1231 };
1232
1233 Bundle.prototype.getIndentString = function getIndentString () {
1234 var indentStringCounts = {};
1235
1236 this.sources.forEach(function (source) {
1237 var indentStr = source.content.indentStr;
1238
1239 if (indentStr === null) { return; }
1240
1241 if (!indentStringCounts[indentStr]) { indentStringCounts[indentStr] = 0; }
1242 indentStringCounts[indentStr] += 1;
1243 });
1244
1245 return (
1246 Object.keys(indentStringCounts).sort(function (a, b) {
1247 return indentStringCounts[a] - indentStringCounts[b];
1248 })[0] || '\t'
1249 );
1250 };
1251
1252 Bundle.prototype.indent = function indent (indentStr) {
1253 var this$1 = this;
1254
1255 if (!arguments.length) {
1256 indentStr = this.getIndentString();
1257 }
1258
1259 if (indentStr === '') { return this; } // noop
1260
1261 var trailingNewline = !this.intro || this.intro.slice(-1) === '\n';
1262
1263 this.sources.forEach(function (source, i) {
1264 var separator = source.separator !== undefined ? source.separator : this$1.separator;
1265 var indentStart = trailingNewline || (i > 0 && /\r?\n$/.test(separator));
1266
1267 source.content.indent(indentStr, {
1268 exclude: source.indentExclusionRanges,
1269 indentStart: indentStart //: trailingNewline || /\r?\n$/.test( separator ) //true///\r?\n/.test( separator )
1270 });
1271
1272 trailingNewline = source.content.lastChar() === '\n';
1273 });
1274
1275 if (this.intro) {
1276 this.intro =
1277 indentStr +
1278 this.intro.replace(/^[^\n]/gm, function (match, index) {
1279 return index > 0 ? indentStr + match : match;
1280 });
1281 }
1282
1283 return this;
1284 };
1285
1286 Bundle.prototype.prepend = function prepend (str) {
1287 this.intro = str + this.intro;
1288 return this;
1289 };
1290
1291 Bundle.prototype.toString = function toString () {
1292 var this$1 = this;
1293
1294 var body = this.sources
1295 .map(function (source, i) {
1296 var separator = source.separator !== undefined ? source.separator : this$1.separator;
1297 var str = (i > 0 ? separator : '') + source.content.toString();
1298
1299 return str;
1300 })
1301 .join('');
1302
1303 return this.intro + body;
1304 };
1305
1306 Bundle.prototype.isEmpty = function isEmpty () {
1307 if (this.intro.length && this.intro.trim())
1308 { return false; }
1309 if (this.sources.some(function (source) { return !source.content.isEmpty(); }))
1310 { return false; }
1311 return true;
1312 };
1313
1314 Bundle.prototype.length = function length () {
1315 return this.sources.reduce(function (length, source) { return length + source.content.length(); }, this.intro.length);
1316 };
1317
1318 Bundle.prototype.trimLines = function trimLines () {
1319 return this.trim('[\\r\\n]');
1320 };
1321
1322 Bundle.prototype.trim = function trim (charType) {
1323 return this.trimStart(charType).trimEnd(charType);
1324 };
1325
1326 Bundle.prototype.trimStart = function trimStart (charType) {
1327 var rx = new RegExp('^' + (charType || '\\s') + '+');
1328 this.intro = this.intro.replace(rx, '');
1329
1330 if (!this.intro) {
1331 var source;
1332 var i = 0;
1333
1334 do {
1335 source = this.sources[i++];
1336 if (!source) {
1337 break;
1338 }
1339 } while (!source.content.trimStartAborted(charType));
1340 }
1341
1342 return this;
1343 };
1344
1345 Bundle.prototype.trimEnd = function trimEnd (charType) {
1346 var rx = new RegExp((charType || '\\s') + '+$');
1347
1348 var source;
1349 var i = this.sources.length - 1;
1350
1351 do {
1352 source = this.sources[i--];
1353 if (!source) {
1354 this.intro = this.intro.replace(rx, '');
1355 break;
1356 }
1357 } while (!source.content.trimEndAborted(charType));
1358
1359 return this;
1360 };
1361
1362 MagicString.Bundle = Bundle;
1363 MagicString.SourceMap = SourceMap;
1364 MagicString.default = MagicString; // work around TypeScript bug https://github.com/Rich-Harris/magic-string/pull/121
1365
1366 return MagicString;
1367
1368}));
1369//# sourceMappingURL=magic-string.umd.js.map
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