source: frontend/node_modules/magic-string/dist/magic-string.umd.js

Last change on this file was 9af201e, checked in by MBK <marija.karapandzova@…>, 11 days ago

Fix frontend appearance
  • Property mode set to 100644
File size: 36.3 KB
Line 
1(function (global, factory) {
2 typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
3 typeof define === 'function' && define.amd ? define(factory) :
4 (global = typeof globalThis !== 'undefined' ? globalThis : 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 } else {
145 this.edit('', undefined, true);
146
147 this.intro = this.intro.replace(rx, '');
148 if (this.intro.length) { return true; }
149 }
150 };
151
152 Chunk.prototype.trimStart = function trimStart (rx) {
153 this.intro = this.intro.replace(rx, '');
154 if (this.intro.length) { return true; }
155
156 var trimmed = this.content.replace(rx, '');
157
158 if (trimmed.length) {
159 if (trimmed !== this.content) {
160 this.split(this.end - trimmed.length);
161 this.edit('', undefined, true);
162 }
163 return true;
164 } else {
165 this.edit('', undefined, true);
166
167 this.outro = this.outro.replace(rx, '');
168 if (this.outro.length) { return true; }
169 }
170 };
171
172 var charToInteger = {};
173 var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
174 for (var i = 0; i < chars.length; i++) {
175 charToInteger[chars.charCodeAt(i)] = i;
176 }
177 function encode(decoded) {
178 var sourceFileIndex = 0; // second field
179 var sourceCodeLine = 0; // third field
180 var sourceCodeColumn = 0; // fourth field
181 var nameIndex = 0; // fifth field
182 var mappings = '';
183 for (var i = 0; i < decoded.length; i++) {
184 var line = decoded[i];
185 if (i > 0)
186 mappings += ';';
187 if (line.length === 0)
188 continue;
189 var generatedCodeColumn = 0; // first field
190 var lineMappings = [];
191 for (var _i = 0, line_1 = line; _i < line_1.length; _i++) {
192 var segment = line_1[_i];
193 var segmentMappings = encodeInteger(segment[0] - generatedCodeColumn);
194 generatedCodeColumn = segment[0];
195 if (segment.length > 1) {
196 segmentMappings +=
197 encodeInteger(segment[1] - sourceFileIndex) +
198 encodeInteger(segment[2] - sourceCodeLine) +
199 encodeInteger(segment[3] - sourceCodeColumn);
200 sourceFileIndex = segment[1];
201 sourceCodeLine = segment[2];
202 sourceCodeColumn = segment[3];
203 }
204 if (segment.length === 5) {
205 segmentMappings += encodeInteger(segment[4] - nameIndex);
206 nameIndex = segment[4];
207 }
208 lineMappings.push(segmentMappings);
209 }
210 mappings += lineMappings.join(',');
211 }
212 return mappings;
213 }
214 function encodeInteger(num) {
215 var result = '';
216 num = num < 0 ? (-num << 1) | 1 : num << 1;
217 do {
218 var clamped = num & 31;
219 num >>>= 5;
220 if (num > 0) {
221 clamped |= 32;
222 }
223 result += chars[clamped];
224 } while (num > 0);
225 return result;
226 }
227
228 var btoa = function () {
229 throw new Error('Unsupported environment: `window.btoa` or `Buffer` should be supported.');
230 };
231 if (typeof window !== 'undefined' && typeof window.btoa === 'function') {
232 btoa = function (str) { return window.btoa(unescape(encodeURIComponent(str))); };
233 } else if (typeof Buffer === 'function') {
234 btoa = function (str) { return Buffer.from(str, 'utf-8').toString('base64'); };
235 }
236
237 var SourceMap = function SourceMap(properties) {
238 this.version = 3;
239 this.file = properties.file;
240 this.sources = properties.sources;
241 this.sourcesContent = properties.sourcesContent;
242 this.names = properties.names;
243 this.mappings = encode(properties.mappings);
244 };
245
246 SourceMap.prototype.toString = function toString () {
247 return JSON.stringify(this);
248 };
249
250 SourceMap.prototype.toUrl = function toUrl () {
251 return 'data:application/json;charset=utf-8;base64,' + btoa(this.toString());
252 };
253
254 function guessIndent(code) {
255 var lines = code.split('\n');
256
257 var tabbed = lines.filter(function (line) { return /^\t+/.test(line); });
258 var spaced = lines.filter(function (line) { return /^ {2,}/.test(line); });
259
260 if (tabbed.length === 0 && spaced.length === 0) {
261 return null;
262 }
263
264 // More lines tabbed than spaced? Assume tabs, and
265 // default to tabs in the case of a tie (or nothing
266 // to go on)
267 if (tabbed.length >= spaced.length) {
268 return '\t';
269 }
270
271 // Otherwise, we need to guess the multiple
272 var min = spaced.reduce(function (previous, current) {
273 var numSpaces = /^ +/.exec(current)[0].length;
274 return Math.min(numSpaces, previous);
275 }, Infinity);
276
277 return new Array(min + 1).join(' ');
278 }
279
280 function getRelativePath(from, to) {
281 var fromParts = from.split(/[/\\]/);
282 var toParts = to.split(/[/\\]/);
283
284 fromParts.pop(); // get dirname
285
286 while (fromParts[0] === toParts[0]) {
287 fromParts.shift();
288 toParts.shift();
289 }
290
291 if (fromParts.length) {
292 var i = fromParts.length;
293 while (i--) { fromParts[i] = '..'; }
294 }
295
296 return fromParts.concat(toParts).join('/');
297 }
298
299 var toString = Object.prototype.toString;
300
301 function isObject(thing) {
302 return toString.call(thing) === '[object Object]';
303 }
304
305 function getLocator(source) {
306 var originalLines = source.split('\n');
307 var lineOffsets = [];
308
309 for (var i = 0, pos = 0; i < originalLines.length; i++) {
310 lineOffsets.push(pos);
311 pos += originalLines[i].length + 1;
312 }
313
314 return function locate(index) {
315 var i = 0;
316 var j = lineOffsets.length;
317 while (i < j) {
318 var m = (i + j) >> 1;
319 if (index < lineOffsets[m]) {
320 j = m;
321 } else {
322 i = m + 1;
323 }
324 }
325 var line = i - 1;
326 var column = index - lineOffsets[line];
327 return { line: line, column: column };
328 };
329 }
330
331 var Mappings = function Mappings(hires) {
332 this.hires = hires;
333 this.generatedCodeLine = 0;
334 this.generatedCodeColumn = 0;
335 this.raw = [];
336 this.rawSegments = this.raw[this.generatedCodeLine] = [];
337 this.pending = null;
338 };
339
340 Mappings.prototype.addEdit = function addEdit (sourceIndex, content, loc, nameIndex) {
341 if (content.length) {
342 var segment = [this.generatedCodeColumn, sourceIndex, loc.line, loc.column];
343 if (nameIndex >= 0) {
344 segment.push(nameIndex);
345 }
346 this.rawSegments.push(segment);
347 } else if (this.pending) {
348 this.rawSegments.push(this.pending);
349 }
350
351 this.advance(content);
352 this.pending = null;
353 };
354
355 Mappings.prototype.addUneditedChunk = function addUneditedChunk (sourceIndex, chunk, original, loc, sourcemapLocations) {
356 var originalCharIndex = chunk.start;
357 var first = true;
358
359 while (originalCharIndex < chunk.end) {
360 if (this.hires || first || sourcemapLocations.has(originalCharIndex)) {
361 this.rawSegments.push([this.generatedCodeColumn, sourceIndex, loc.line, loc.column]);
362 }
363
364 if (original[originalCharIndex] === '\n') {
365 loc.line += 1;
366 loc.column = 0;
367 this.generatedCodeLine += 1;
368 this.raw[this.generatedCodeLine] = this.rawSegments = [];
369 this.generatedCodeColumn = 0;
370 first = true;
371 } else {
372 loc.column += 1;
373 this.generatedCodeColumn += 1;
374 first = false;
375 }
376
377 originalCharIndex += 1;
378 }
379
380 this.pending = null;
381 };
382
383 Mappings.prototype.advance = function advance (str) {
384 if (!str) { return; }
385
386 var lines = str.split('\n');
387
388 if (lines.length > 1) {
389 for (var i = 0; i < lines.length - 1; i++) {
390 this.generatedCodeLine++;
391 this.raw[this.generatedCodeLine] = this.rawSegments = [];
392 }
393 this.generatedCodeColumn = 0;
394 }
395
396 this.generatedCodeColumn += lines[lines.length - 1].length;
397 };
398
399 var n = '\n';
400
401 var warned = {
402 insertLeft: false,
403 insertRight: false,
404 storeName: false,
405 };
406
407 var MagicString = function MagicString(string, options) {
408 if ( options === void 0 ) options = {};
409
410 var chunk = new Chunk(0, string.length, string);
411
412 Object.defineProperties(this, {
413 original: { writable: true, value: string },
414 outro: { writable: true, value: '' },
415 intro: { writable: true, value: '' },
416 firstChunk: { writable: true, value: chunk },
417 lastChunk: { writable: true, value: chunk },
418 lastSearchedChunk: { writable: true, value: chunk },
419 byStart: { writable: true, value: {} },
420 byEnd: { writable: true, value: {} },
421 filename: { writable: true, value: options.filename },
422 indentExclusionRanges: { writable: true, value: options.indentExclusionRanges },
423 sourcemapLocations: { writable: true, value: new BitSet() },
424 storedNames: { writable: true, value: {} },
425 indentStr: { writable: true, value: guessIndent(string) },
426 });
427
428 this.byStart[0] = chunk;
429 this.byEnd[string.length] = chunk;
430 };
431
432 MagicString.prototype.addSourcemapLocation = function addSourcemapLocation (char) {
433 this.sourcemapLocations.add(char);
434 };
435
436 MagicString.prototype.append = function append (content) {
437 if (typeof content !== 'string') { throw new TypeError('outro content must be a string'); }
438
439 this.outro += content;
440 return this;
441 };
442
443 MagicString.prototype.appendLeft = function appendLeft (index, content) {
444 if (typeof content !== 'string') { throw new TypeError('inserted content must be a string'); }
445
446 this._split(index);
447
448 var chunk = this.byEnd[index];
449
450 if (chunk) {
451 chunk.appendLeft(content);
452 } else {
453 this.intro += content;
454 }
455 return this;
456 };
457
458 MagicString.prototype.appendRight = function appendRight (index, content) {
459 if (typeof content !== 'string') { throw new TypeError('inserted content must be a string'); }
460
461 this._split(index);
462
463 var chunk = this.byStart[index];
464
465 if (chunk) {
466 chunk.appendRight(content);
467 } else {
468 this.outro += content;
469 }
470 return this;
471 };
472
473 MagicString.prototype.clone = function clone () {
474 var cloned = new MagicString(this.original, { filename: this.filename });
475
476 var originalChunk = this.firstChunk;
477 var clonedChunk = (cloned.firstChunk = cloned.lastSearchedChunk = originalChunk.clone());
478
479 while (originalChunk) {
480 cloned.byStart[clonedChunk.start] = clonedChunk;
481 cloned.byEnd[clonedChunk.end] = clonedChunk;
482
483 var nextOriginalChunk = originalChunk.next;
484 var nextClonedChunk = nextOriginalChunk && nextOriginalChunk.clone();
485
486 if (nextClonedChunk) {
487 clonedChunk.next = nextClonedChunk;
488 nextClonedChunk.previous = clonedChunk;
489
490 clonedChunk = nextClonedChunk;
491 }
492
493 originalChunk = nextOriginalChunk;
494 }
495
496 cloned.lastChunk = clonedChunk;
497
498 if (this.indentExclusionRanges) {
499 cloned.indentExclusionRanges = this.indentExclusionRanges.slice();
500 }
501
502 cloned.sourcemapLocations = new BitSet(this.sourcemapLocations);
503
504 cloned.intro = this.intro;
505 cloned.outro = this.outro;
506
507 return cloned;
508 };
509
510 MagicString.prototype.generateDecodedMap = function generateDecodedMap (options) {
511 var this$1$1 = this;
512
513 options = options || {};
514
515 var sourceIndex = 0;
516 var names = Object.keys(this.storedNames);
517 var mappings = new Mappings(options.hires);
518
519 var locate = getLocator(this.original);
520
521 if (this.intro) {
522 mappings.advance(this.intro);
523 }
524
525 this.firstChunk.eachNext(function (chunk) {
526 var loc = locate(chunk.start);
527
528 if (chunk.intro.length) { mappings.advance(chunk.intro); }
529
530 if (chunk.edited) {
531 mappings.addEdit(
532 sourceIndex,
533 chunk.content,
534 loc,
535 chunk.storeName ? names.indexOf(chunk.original) : -1
536 );
537 } else {
538 mappings.addUneditedChunk(sourceIndex, chunk, this$1$1.original, loc, this$1$1.sourcemapLocations);
539 }
540
541 if (chunk.outro.length) { mappings.advance(chunk.outro); }
542 });
543
544 return {
545 file: options.file ? options.file.split(/[/\\]/).pop() : null,
546 sources: [options.source ? getRelativePath(options.file || '', options.source) : null],
547 sourcesContent: options.includeContent ? [this.original] : [null],
548 names: names,
549 mappings: mappings.raw,
550 };
551 };
552
553 MagicString.prototype.generateMap = function generateMap (options) {
554 return new SourceMap(this.generateDecodedMap(options));
555 };
556
557 MagicString.prototype.getIndentString = function getIndentString () {
558 return this.indentStr === null ? '\t' : this.indentStr;
559 };
560
561 MagicString.prototype.indent = function indent (indentStr, options) {
562 var pattern = /^[^\r\n]/gm;
563
564 if (isObject(indentStr)) {
565 options = indentStr;
566 indentStr = undefined;
567 }
568
569 indentStr = indentStr !== undefined ? indentStr : this.indentStr || '\t';
570
571 if (indentStr === '') { return this; } // noop
572
573 options = options || {};
574
575 // Process exclusion ranges
576 var isExcluded = {};
577
578 if (options.exclude) {
579 var exclusions =
580 typeof options.exclude[0] === 'number' ? [options.exclude] : options.exclude;
581 exclusions.forEach(function (exclusion) {
582 for (var i = exclusion[0]; i < exclusion[1]; i += 1) {
583 isExcluded[i] = true;
584 }
585 });
586 }
587
588 var shouldIndentNextCharacter = options.indentStart !== false;
589 var replacer = function (match) {
590 if (shouldIndentNextCharacter) { return ("" + indentStr + match); }
591 shouldIndentNextCharacter = true;
592 return match;
593 };
594
595 this.intro = this.intro.replace(pattern, replacer);
596
597 var charIndex = 0;
598 var chunk = this.firstChunk;
599
600 while (chunk) {
601 var end = chunk.end;
602
603 if (chunk.edited) {
604 if (!isExcluded[charIndex]) {
605 chunk.content = chunk.content.replace(pattern, replacer);
606
607 if (chunk.content.length) {
608 shouldIndentNextCharacter = chunk.content[chunk.content.length - 1] === '\n';
609 }
610 }
611 } else {
612 charIndex = chunk.start;
613
614 while (charIndex < end) {
615 if (!isExcluded[charIndex]) {
616 var char = this.original[charIndex];
617
618 if (char === '\n') {
619 shouldIndentNextCharacter = true;
620 } else if (char !== '\r' && shouldIndentNextCharacter) {
621 shouldIndentNextCharacter = false;
622
623 if (charIndex === chunk.start) {
624 chunk.prependRight(indentStr);
625 } else {
626 this._splitChunk(chunk, charIndex);
627 chunk = chunk.next;
628 chunk.prependRight(indentStr);
629 }
630 }
631 }
632
633 charIndex += 1;
634 }
635 }
636
637 charIndex = chunk.end;
638 chunk = chunk.next;
639 }
640
641 this.outro = this.outro.replace(pattern, replacer);
642
643 return this;
644 };
645
646 MagicString.prototype.insert = function insert () {
647 throw new Error(
648 'magicString.insert(...) is deprecated. Use prependRight(...) or appendLeft(...)'
649 );
650 };
651
652 MagicString.prototype.insertLeft = function insertLeft (index, content) {
653 if (!warned.insertLeft) {
654 console.warn(
655 'magicString.insertLeft(...) is deprecated. Use magicString.appendLeft(...) instead'
656 ); // eslint-disable-line no-console
657 warned.insertLeft = true;
658 }
659
660 return this.appendLeft(index, content);
661 };
662
663 MagicString.prototype.insertRight = function insertRight (index, content) {
664 if (!warned.insertRight) {
665 console.warn(
666 'magicString.insertRight(...) is deprecated. Use magicString.prependRight(...) instead'
667 ); // eslint-disable-line no-console
668 warned.insertRight = true;
669 }
670
671 return this.prependRight(index, content);
672 };
673
674 MagicString.prototype.move = function move (start, end, index) {
675 if (index >= start && index <= end) { throw new Error('Cannot move a selection inside itself'); }
676
677 this._split(start);
678 this._split(end);
679 this._split(index);
680
681 var first = this.byStart[start];
682 var last = this.byEnd[end];
683
684 var oldLeft = first.previous;
685 var oldRight = last.next;
686
687 var newRight = this.byStart[index];
688 if (!newRight && last === this.lastChunk) { return this; }
689 var newLeft = newRight ? newRight.previous : this.lastChunk;
690
691 if (oldLeft) { oldLeft.next = oldRight; }
692 if (oldRight) { oldRight.previous = oldLeft; }
693
694 if (newLeft) { newLeft.next = first; }
695 if (newRight) { newRight.previous = last; }
696
697 if (!first.previous) { this.firstChunk = last.next; }
698 if (!last.next) {
699 this.lastChunk = first.previous;
700 this.lastChunk.next = null;
701 }
702
703 first.previous = newLeft;
704 last.next = newRight || null;
705
706 if (!newLeft) { this.firstChunk = first; }
707 if (!newRight) { this.lastChunk = last; }
708 return this;
709 };
710
711 MagicString.prototype.overwrite = function overwrite (start, end, content, options) {
712 if (typeof content !== 'string') { throw new TypeError('replacement content must be a string'); }
713
714 while (start < 0) { start += this.original.length; }
715 while (end < 0) { end += this.original.length; }
716
717 if (end > this.original.length) { throw new Error('end is out of bounds'); }
718 if (start === end)
719 { throw new Error(
720 'Cannot overwrite a zero-length range – use appendLeft or prependRight instead'
721 ); }
722
723 this._split(start);
724 this._split(end);
725
726 if (options === true) {
727 if (!warned.storeName) {
728 console.warn(
729 'The final argument to magicString.overwrite(...) should be an options object. See https://github.com/rich-harris/magic-string'
730 ); // eslint-disable-line no-console
731 warned.storeName = true;
732 }
733
734 options = { storeName: true };
735 }
736 var storeName = options !== undefined ? options.storeName : false;
737 var contentOnly = options !== undefined ? options.contentOnly : false;
738
739 if (storeName) {
740 var original = this.original.slice(start, end);
741 Object.defineProperty(this.storedNames, original, { writable: true, value: true, enumerable: true });
742 }
743
744 var first = this.byStart[start];
745 var last = this.byEnd[end];
746
747 if (first) {
748 var chunk = first;
749 while (chunk !== last) {
750 if (chunk.next !== this.byStart[chunk.end]) {
751 throw new Error('Cannot overwrite across a split point');
752 }
753 chunk = chunk.next;
754 chunk.edit('', false);
755 }
756
757 first.edit(content, storeName, contentOnly);
758 } else {
759 // must be inserting at the end
760 var newChunk = new Chunk(start, end, '').edit(content, storeName);
761
762 // TODO last chunk in the array may not be the last chunk, if it's moved...
763 last.next = newChunk;
764 newChunk.previous = last;
765 }
766 return this;
767 };
768
769 MagicString.prototype.prepend = function prepend (content) {
770 if (typeof content !== 'string') { throw new TypeError('outro content must be a string'); }
771
772 this.intro = content + this.intro;
773 return this;
774 };
775
776 MagicString.prototype.prependLeft = function prependLeft (index, content) {
777 if (typeof content !== 'string') { throw new TypeError('inserted content must be a string'); }
778
779 this._split(index);
780
781 var chunk = this.byEnd[index];
782
783 if (chunk) {
784 chunk.prependLeft(content);
785 } else {
786 this.intro = content + this.intro;
787 }
788 return this;
789 };
790
791 MagicString.prototype.prependRight = function prependRight (index, content) {
792 if (typeof content !== 'string') { throw new TypeError('inserted content must be a string'); }
793
794 this._split(index);
795
796 var chunk = this.byStart[index];
797
798 if (chunk) {
799 chunk.prependRight(content);
800 } else {
801 this.outro = content + this.outro;
802 }
803 return this;
804 };
805
806 MagicString.prototype.remove = function remove (start, end) {
807 while (start < 0) { start += this.original.length; }
808 while (end < 0) { end += this.original.length; }
809
810 if (start === end) { return this; }
811
812 if (start < 0 || end > this.original.length) { throw new Error('Character is out of bounds'); }
813 if (start > end) { throw new Error('end must be greater than start'); }
814
815 this._split(start);
816 this._split(end);
817
818 var chunk = this.byStart[start];
819
820 while (chunk) {
821 chunk.intro = '';
822 chunk.outro = '';
823 chunk.edit('');
824
825 chunk = end > chunk.end ? this.byStart[chunk.end] : null;
826 }
827 return this;
828 };
829
830 MagicString.prototype.lastChar = function lastChar () {
831 if (this.outro.length) { return this.outro[this.outro.length - 1]; }
832 var chunk = this.lastChunk;
833 do {
834 if (chunk.outro.length) { return chunk.outro[chunk.outro.length - 1]; }
835 if (chunk.content.length) { return chunk.content[chunk.content.length - 1]; }
836 if (chunk.intro.length) { return chunk.intro[chunk.intro.length - 1]; }
837 } while ((chunk = chunk.previous));
838 if (this.intro.length) { return this.intro[this.intro.length - 1]; }
839 return '';
840 };
841
842 MagicString.prototype.lastLine = function lastLine () {
843 var lineIndex = this.outro.lastIndexOf(n);
844 if (lineIndex !== -1) { return this.outro.substr(lineIndex + 1); }
845 var lineStr = this.outro;
846 var chunk = this.lastChunk;
847 do {
848 if (chunk.outro.length > 0) {
849 lineIndex = chunk.outro.lastIndexOf(n);
850 if (lineIndex !== -1) { 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) { return chunk.content.substr(lineIndex + 1) + lineStr; }
857 lineStr = chunk.content + lineStr;
858 }
859
860 if (chunk.intro.length > 0) {
861 lineIndex = chunk.intro.lastIndexOf(n);
862 if (lineIndex !== -1) { return chunk.intro.substr(lineIndex + 1) + lineStr; }
863 lineStr = chunk.intro + lineStr;
864 }
865 } while ((chunk = chunk.previous));
866 lineIndex = this.intro.lastIndexOf(n);
867 if (lineIndex !== -1) { return this.intro.substr(lineIndex + 1) + lineStr; }
868 return this.intro + lineStr;
869 };
870
871 MagicString.prototype.slice = function slice (start, end) {
872 if ( start === void 0 ) start = 0;
873 if ( end === void 0 ) end = this.original.length;
874
875 while (start < 0) { start += this.original.length; }
876 while (end < 0) { end += this.original.length; }
877
878 var result = '';
879
880 // find start chunk
881 var chunk = this.firstChunk;
882 while (chunk && (chunk.start > start || chunk.end <= start)) {
883 // found end chunk before start
884 if (chunk.start < end && chunk.end >= end) {
885 return result;
886 }
887
888 chunk = chunk.next;
889 }
890
891 if (chunk && chunk.edited && chunk.start !== start)
892 { throw new Error(("Cannot use replaced character " + start + " as slice start anchor.")); }
893
894 var startChunk = chunk;
895 while (chunk) {
896 if (chunk.intro && (startChunk !== chunk || chunk.start === start)) {
897 result += chunk.intro;
898 }
899
900 var containsEnd = chunk.start < end && chunk.end >= end;
901 if (containsEnd && chunk.edited && chunk.end !== end)
902 { throw new Error(("Cannot use replaced character " + end + " as slice end anchor.")); }
903
904 var sliceStart = startChunk === chunk ? start - chunk.start : 0;
905 var sliceEnd = containsEnd ? chunk.content.length + end - chunk.end : chunk.content.length;
906
907 result += chunk.content.slice(sliceStart, sliceEnd);
908
909 if (chunk.outro && (!containsEnd || chunk.end === end)) {
910 result += chunk.outro;
911 }
912
913 if (containsEnd) {
914 break;
915 }
916
917 chunk = chunk.next;
918 }
919
920 return result;
921 };
922
923 // TODO deprecate this? not really very useful
924 MagicString.prototype.snip = function snip (start, end) {
925 var clone = this.clone();
926 clone.remove(0, start);
927 clone.remove(end, clone.original.length);
928
929 return clone;
930 };
931
932 MagicString.prototype._split = function _split (index) {
933 if (this.byStart[index] || this.byEnd[index]) { return; }
934
935 var chunk = this.lastSearchedChunk;
936 var searchForward = index > chunk.end;
937
938 while (chunk) {
939 if (chunk.contains(index)) { return this._splitChunk(chunk, index); }
940
941 chunk = searchForward ? this.byStart[chunk.end] : this.byEnd[chunk.start];
942 }
943 };
944
945 MagicString.prototype._splitChunk = function _splitChunk (chunk, index) {
946 if (chunk.edited && chunk.content.length) {
947 // zero-length edited chunks are a special case (overlapping replacements)
948 var loc = getLocator(this.original)(index);
949 throw new Error(
950 ("Cannot split a chunk that has already been edited (" + (loc.line) + ":" + (loc.column) + " – \"" + (chunk.original) + "\")")
951 );
952 }
953
954 var newChunk = chunk.split(index);
955
956 this.byEnd[index] = chunk;
957 this.byStart[index] = newChunk;
958 this.byEnd[newChunk.end] = newChunk;
959
960 if (chunk === this.lastChunk) { this.lastChunk = newChunk; }
961
962 this.lastSearchedChunk = chunk;
963 return true;
964 };
965
966 MagicString.prototype.toString = function toString () {
967 var str = this.intro;
968
969 var chunk = this.firstChunk;
970 while (chunk) {
971 str += chunk.toString();
972 chunk = chunk.next;
973 }
974
975 return str + this.outro;
976 };
977
978 MagicString.prototype.isEmpty = function isEmpty () {
979 var chunk = this.firstChunk;
980 do {
981 if (
982 (chunk.intro.length && chunk.intro.trim()) ||
983 (chunk.content.length && chunk.content.trim()) ||
984 (chunk.outro.length && chunk.outro.trim())
985 )
986 { return false; }
987 } while ((chunk = chunk.next));
988 return true;
989 };
990
991 MagicString.prototype.length = function length () {
992 var chunk = this.firstChunk;
993 var length = 0;
994 do {
995 length += chunk.intro.length + chunk.content.length + chunk.outro.length;
996 } while ((chunk = chunk.next));
997 return length;
998 };
999
1000 MagicString.prototype.trimLines = function trimLines () {
1001 return this.trim('[\\r\\n]');
1002 };
1003
1004 MagicString.prototype.trim = function trim (charType) {
1005 return this.trimStart(charType).trimEnd(charType);
1006 };
1007
1008 MagicString.prototype.trimEndAborted = function trimEndAborted (charType) {
1009 var rx = new RegExp((charType || '\\s') + '+$');
1010
1011 this.outro = this.outro.replace(rx, '');
1012 if (this.outro.length) { return true; }
1013
1014 var chunk = this.lastChunk;
1015
1016 do {
1017 var end = chunk.end;
1018 var aborted = chunk.trimEnd(rx);
1019
1020 // if chunk was trimmed, we have a new lastChunk
1021 if (chunk.end !== end) {
1022 if (this.lastChunk === chunk) {
1023 this.lastChunk = chunk.next;
1024 }
1025
1026 this.byEnd[chunk.end] = chunk;
1027 this.byStart[chunk.next.start] = chunk.next;
1028 this.byEnd[chunk.next.end] = chunk.next;
1029 }
1030
1031 if (aborted) { return true; }
1032 chunk = chunk.previous;
1033 } while (chunk);
1034
1035 return false;
1036 };
1037
1038 MagicString.prototype.trimEnd = function trimEnd (charType) {
1039 this.trimEndAborted(charType);
1040 return this;
1041 };
1042 MagicString.prototype.trimStartAborted = function trimStartAborted (charType) {
1043 var rx = new RegExp('^' + (charType || '\\s') + '+');
1044
1045 this.intro = this.intro.replace(rx, '');
1046 if (this.intro.length) { return true; }
1047
1048 var chunk = this.firstChunk;
1049
1050 do {
1051 var end = chunk.end;
1052 var aborted = chunk.trimStart(rx);
1053
1054 if (chunk.end !== end) {
1055 // special case...
1056 if (chunk === this.lastChunk) { this.lastChunk = chunk.next; }
1057
1058 this.byEnd[chunk.end] = chunk;
1059 this.byStart[chunk.next.start] = chunk.next;
1060 this.byEnd[chunk.next.end] = chunk.next;
1061 }
1062
1063 if (aborted) { return true; }
1064 chunk = chunk.next;
1065 } while (chunk);
1066
1067 return false;
1068 };
1069
1070 MagicString.prototype.trimStart = function trimStart (charType) {
1071 this.trimStartAborted(charType);
1072 return this;
1073 };
1074
1075 var hasOwnProp = Object.prototype.hasOwnProperty;
1076
1077 var Bundle = function Bundle(options) {
1078 if ( options === void 0 ) options = {};
1079
1080 this.intro = options.intro || '';
1081 this.separator = options.separator !== undefined ? options.separator : '\n';
1082 this.sources = [];
1083 this.uniqueSources = [];
1084 this.uniqueSourceIndexByFilename = {};
1085 };
1086
1087 Bundle.prototype.addSource = function addSource (source) {
1088 if (source instanceof MagicString) {
1089 return this.addSource({
1090 content: source,
1091 filename: source.filename,
1092 separator: this.separator,
1093 });
1094 }
1095
1096 if (!isObject(source) || !source.content) {
1097 throw new Error(
1098 'bundle.addSource() takes an object with a `content` property, which should be an instance of MagicString, and an optional `filename`'
1099 );
1100 }
1101
1102 ['filename', 'indentExclusionRanges', 'separator'].forEach(function (option) {
1103 if (!hasOwnProp.call(source, option)) { source[option] = source.content[option]; }
1104 });
1105
1106 if (source.separator === undefined) {
1107 // TODO there's a bunch of this sort of thing, needs cleaning up
1108 source.separator = this.separator;
1109 }
1110
1111 if (source.filename) {
1112 if (!hasOwnProp.call(this.uniqueSourceIndexByFilename, source.filename)) {
1113 this.uniqueSourceIndexByFilename[source.filename] = this.uniqueSources.length;
1114 this.uniqueSources.push({ filename: source.filename, content: source.content.original });
1115 } else {
1116 var uniqueSource = this.uniqueSources[this.uniqueSourceIndexByFilename[source.filename]];
1117 if (source.content.original !== uniqueSource.content) {
1118 throw new Error(("Illegal source: same filename (" + (source.filename) + "), different contents"));
1119 }
1120 }
1121 }
1122
1123 this.sources.push(source);
1124 return this;
1125 };
1126
1127 Bundle.prototype.append = function append (str, options) {
1128 this.addSource({
1129 content: new MagicString(str),
1130 separator: (options && options.separator) || '',
1131 });
1132
1133 return this;
1134 };
1135
1136 Bundle.prototype.clone = function clone () {
1137 var bundle = new Bundle({
1138 intro: this.intro,
1139 separator: this.separator,
1140 });
1141
1142 this.sources.forEach(function (source) {
1143 bundle.addSource({
1144 filename: source.filename,
1145 content: source.content.clone(),
1146 separator: source.separator,
1147 });
1148 });
1149
1150 return bundle;
1151 };
1152
1153 Bundle.prototype.generateDecodedMap = function generateDecodedMap (options) {
1154 var this$1$1 = this;
1155 if ( options === void 0 ) options = {};
1156
1157 var names = [];
1158 this.sources.forEach(function (source) {
1159 Object.keys(source.content.storedNames).forEach(function (name) {
1160 if (!~names.indexOf(name)) { names.push(name); }
1161 });
1162 });
1163
1164 var mappings = new Mappings(options.hires);
1165
1166 if (this.intro) {
1167 mappings.advance(this.intro);
1168 }
1169
1170 this.sources.forEach(function (source, i) {
1171 if (i > 0) {
1172 mappings.advance(this$1$1.separator);
1173 }
1174
1175 var sourceIndex = source.filename ? this$1$1.uniqueSourceIndexByFilename[source.filename] : -1;
1176 var magicString = source.content;
1177 var locate = getLocator(magicString.original);
1178
1179 if (magicString.intro) {
1180 mappings.advance(magicString.intro);
1181 }
1182
1183 magicString.firstChunk.eachNext(function (chunk) {
1184 var loc = locate(chunk.start);
1185
1186 if (chunk.intro.length) { mappings.advance(chunk.intro); }
1187
1188 if (source.filename) {
1189 if (chunk.edited) {
1190 mappings.addEdit(
1191 sourceIndex,
1192 chunk.content,
1193 loc,
1194 chunk.storeName ? names.indexOf(chunk.original) : -1
1195 );
1196 } else {
1197 mappings.addUneditedChunk(
1198 sourceIndex,
1199 chunk,
1200 magicString.original,
1201 loc,
1202 magicString.sourcemapLocations
1203 );
1204 }
1205 } else {
1206 mappings.advance(chunk.content);
1207 }
1208
1209 if (chunk.outro.length) { mappings.advance(chunk.outro); }
1210 });
1211
1212 if (magicString.outro) {
1213 mappings.advance(magicString.outro);
1214 }
1215 });
1216
1217 return {
1218 file: options.file ? options.file.split(/[/\\]/).pop() : null,
1219 sources: this.uniqueSources.map(function (source) {
1220 return options.file ? getRelativePath(options.file, source.filename) : source.filename;
1221 }),
1222 sourcesContent: this.uniqueSources.map(function (source) {
1223 return options.includeContent ? source.content : null;
1224 }),
1225 names: names,
1226 mappings: mappings.raw,
1227 };
1228 };
1229
1230 Bundle.prototype.generateMap = function generateMap (options) {
1231 return new SourceMap(this.generateDecodedMap(options));
1232 };
1233
1234 Bundle.prototype.getIndentString = function getIndentString () {
1235 var indentStringCounts = {};
1236
1237 this.sources.forEach(function (source) {
1238 var indentStr = source.content.indentStr;
1239
1240 if (indentStr === null) { return; }
1241
1242 if (!indentStringCounts[indentStr]) { indentStringCounts[indentStr] = 0; }
1243 indentStringCounts[indentStr] += 1;
1244 });
1245
1246 return (
1247 Object.keys(indentStringCounts).sort(function (a, b) {
1248 return indentStringCounts[a] - indentStringCounts[b];
1249 })[0] || '\t'
1250 );
1251 };
1252
1253 Bundle.prototype.indent = function indent (indentStr) {
1254 var this$1$1 = this;
1255
1256 if (!arguments.length) {
1257 indentStr = this.getIndentString();
1258 }
1259
1260 if (indentStr === '') { return this; } // noop
1261
1262 var trailingNewline = !this.intro || this.intro.slice(-1) === '\n';
1263
1264 this.sources.forEach(function (source, i) {
1265 var separator = source.separator !== undefined ? source.separator : this$1$1.separator;
1266 var indentStart = trailingNewline || (i > 0 && /\r?\n$/.test(separator));
1267
1268 source.content.indent(indentStr, {
1269 exclude: source.indentExclusionRanges,
1270 indentStart: indentStart, //: trailingNewline || /\r?\n$/.test( separator ) //true///\r?\n/.test( separator )
1271 });
1272
1273 trailingNewline = source.content.lastChar() === '\n';
1274 });
1275
1276 if (this.intro) {
1277 this.intro =
1278 indentStr +
1279 this.intro.replace(/^[^\n]/gm, function (match, index) {
1280 return index > 0 ? indentStr + match : match;
1281 });
1282 }
1283
1284 return this;
1285 };
1286
1287 Bundle.prototype.prepend = function prepend (str) {
1288 this.intro = str + this.intro;
1289 return this;
1290 };
1291
1292 Bundle.prototype.toString = function toString () {
1293 var this$1$1 = this;
1294
1295 var body = this.sources
1296 .map(function (source, i) {
1297 var separator = source.separator !== undefined ? source.separator : this$1$1.separator;
1298 var str = (i > 0 ? separator : '') + source.content.toString();
1299
1300 return str;
1301 })
1302 .join('');
1303
1304 return this.intro + body;
1305 };
1306
1307 Bundle.prototype.isEmpty = function isEmpty () {
1308 if (this.intro.length && this.intro.trim()) { return false; }
1309 if (this.sources.some(function (source) { return !source.content.isEmpty(); })) { return false; }
1310 return true;
1311 };
1312
1313 Bundle.prototype.length = function length () {
1314 return this.sources.reduce(
1315 function (length, source) { return length + source.content.length(); },
1316 this.intro.length
1317 );
1318 };
1319
1320 Bundle.prototype.trimLines = function trimLines () {
1321 return this.trim('[\\r\\n]');
1322 };
1323
1324 Bundle.prototype.trim = function trim (charType) {
1325 return this.trimStart(charType).trimEnd(charType);
1326 };
1327
1328 Bundle.prototype.trimStart = function trimStart (charType) {
1329 var rx = new RegExp('^' + (charType || '\\s') + '+');
1330 this.intro = this.intro.replace(rx, '');
1331
1332 if (!this.intro) {
1333 var source;
1334 var i = 0;
1335
1336 do {
1337 source = this.sources[i++];
1338 if (!source) {
1339 break;
1340 }
1341 } while (!source.content.trimStartAborted(charType));
1342 }
1343
1344 return this;
1345 };
1346
1347 Bundle.prototype.trimEnd = function trimEnd (charType) {
1348 var rx = new RegExp((charType || '\\s') + '+$');
1349
1350 var source;
1351 var i = this.sources.length - 1;
1352
1353 do {
1354 source = this.sources[i--];
1355 if (!source) {
1356 this.intro = this.intro.replace(rx, '');
1357 break;
1358 }
1359 } while (!source.content.trimEndAborted(charType));
1360
1361 return this;
1362 };
1363
1364 MagicString.Bundle = Bundle;
1365 MagicString.SourceMap = SourceMap;
1366 MagicString.default = MagicString; // work around TypeScript bug https://github.com/Rich-Harris/magic-string/pull/121
1367
1368 return MagicString;
1369
1370}));
1371//# sourceMappingURL=magic-string.umd.js.map
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