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rOACCT/node_modules/magic-string/dist/magic-string.cjs.js
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magic-string.cjs.js
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			'use strict';

			var sourcemapCodec = require('sourcemap-codec');

			var BitSet = function BitSet(arg) {
			this.bits = arg instanceof BitSet ? arg.bits.slice() : [];
			};

			BitSet.prototype.add = function add (n) {
			this.bits[n >> 5] \|= 1 << (n & 31);
			};

			BitSet.prototype.has = function has (n) {
			return !!(this.bits[n >> 5] & (1 << (n & 31)));
			};

			var Chunk = function Chunk(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;

			// we make these non-enumerable, for sanity while debugging
			Object.defineProperties(this, {
			previous: { writable: true, value: null },
			next: { writable: true, value: null },
			});
			};

			Chunk.prototype.appendLeft = function appendLeft (content) {
			this.outro += content;
			};

			Chunk.prototype.appendRight = function appendRight (content) {
			this.intro = this.intro + content;
			};

			Chunk.prototype.clone = function clone () {
			var 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;
			};

			Chunk.prototype.contains = function contains (index) {
			return this.start < index && index < this.end;
			};

			Chunk.prototype.eachNext = function eachNext (fn) {
			var chunk = this;
			while (chunk) {
			fn(chunk);
			chunk = chunk.next;
			}
			};

			Chunk.prototype.eachPrevious = function eachPrevious (fn) {
			var chunk = this;
			while (chunk) {
			fn(chunk);
			chunk = chunk.previous;
			}
			};

			Chunk.prototype.edit = function edit (content, storeName, contentOnly) {
			this.content = content;
			if (!contentOnly) {
			this.intro = '';
			this.outro = '';
			}
			this.storeName = storeName;

			this.edited = true;

			return this;
			};

			Chunk.prototype.prependLeft = function prependLeft (content) {
			this.outro = content + this.outro;
			};

			Chunk.prototype.prependRight = function prependRight (content) {
			this.intro = content + this.intro;
			};

			Chunk.prototype.split = function split (index) {
			var sliceIndex = index - this.start;

			var originalBefore = this.original.slice(0, sliceIndex);
			var originalAfter = this.original.slice(sliceIndex);

			this.original = originalBefore;

			var newChunk = new Chunk(index, this.end, originalAfter);
			newChunk.outro = this.outro;
			this.outro = '';

			this.end = index;

			if (this.edited) {
			// 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;
			};

			Chunk.prototype.toString = function toString () {
			return this.intro + this.content + this.outro;
			};

			Chunk.prototype.trimEnd = function trimEnd (rx) {
			this.outro = this.outro.replace(rx, '');
			if (this.outro.length) { return true; }

			var trimmed = this.content.replace(rx, '');

			if (trimmed.length) {
			if (trimmed !== this.content) {
			this.split(this.start + trimmed.length).edit('', undefined, true);
			}
			return true;
			} else {
			this.edit('', undefined, true);

			this.intro = this.intro.replace(rx, '');
			if (this.intro.length) { return true; }
			}
			};

			Chunk.prototype.trimStart = function trimStart (rx) {
			this.intro = this.intro.replace(rx, '');
			if (this.intro.length) { return true; }

			var trimmed = this.content.replace(rx, '');

			if (trimmed.length) {
			if (trimmed !== this.content) {
			this.split(this.end - trimmed.length);
			this.edit('', undefined, true);
			}
			return true;
			} else {
			this.edit('', undefined, true);

			this.outro = this.outro.replace(rx, '');
			if (this.outro.length) { return true; }
			}
			};

			var btoa = function () {
			throw new Error('Unsupported environment: `window.btoa` or `Buffer` should be supported.');
			};
			if (typeof window !== 'undefined' && typeof window.btoa === 'function') {
			btoa = function (str) { return window.btoa(unescape(encodeURIComponent(str))); };
			} else if (typeof Buffer === 'function') {
			btoa = function (str) { return Buffer.from(str, 'utf-8').toString('base64'); };
			}

			var SourceMap = function SourceMap(properties) {
			this.version = 3;
			this.file = properties.file;
			this.sources = properties.sources;
			this.sourcesContent = properties.sourcesContent;
			this.names = properties.names;
			this.mappings = sourcemapCodec.encode(properties.mappings);
			};

			SourceMap.prototype.toString = function toString () {
			return JSON.stringify(this);
			};

			SourceMap.prototype.toUrl = function toUrl () {
			return 'data:application/json;charset=utf-8;base64,' + btoa(this.toString());
			};

			function guessIndent(code) {
			var lines = code.split('\n');

			var tabbed = lines.filter(function (line) { return /^\t+/.test(line); });
			var spaced = lines.filter(function (line) { return /^ {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
			var min = spaced.reduce(function (previous, current) {
			var numSpaces = /^ +/.exec(current)[0].length;
			return Math.min(numSpaces, previous);
			}, Infinity);

			return new Array(min + 1).join(' ');
			}

			function getRelativePath(from, to) {
			var fromParts = from.split(/[/\\]/);
			var toParts = to.split(/[/\\]/);

			fromParts.pop(); // get dirname

			while (fromParts[0] === toParts[0]) {
			fromParts.shift();
			toParts.shift();
			}

			if (fromParts.length) {
			var i = fromParts.length;
			while (i--) { fromParts[i] = '..'; }
			}

			return fromParts.concat(toParts).join('/');
			}

			var toString = Object.prototype.toString;

			function isObject(thing) {
			return toString.call(thing) === '[object Object]';
			}

			function getLocator(source) {
			var originalLines = source.split('\n');
			var lineOffsets = [];

			for (var i = 0, pos = 0; i < originalLines.length; i++) {
			lineOffsets.push(pos);
			pos += originalLines[i].length + 1;
			}

			return function locate(index) {
			var i = 0;
			var j = lineOffsets.length;
			while (i < j) {
			var m = (i + j) >> 1;
			if (index < lineOffsets[m]) {
			j = m;
			} else {
			i = m + 1;
			}
			}
			var line = i - 1;
			var column = index - lineOffsets[line];
			return { line: line, column: column };
			};
			}

			var Mappings = function Mappings(hires) {
			this.hires = hires;
			this.generatedCodeLine = 0;
			this.generatedCodeColumn = 0;
			this.raw = [];
			this.rawSegments = this.raw[this.generatedCodeLine] = [];
			this.pending = null;
			};

			Mappings.prototype.addEdit = function addEdit (sourceIndex, content, loc, nameIndex) {
			if (content.length) {
			var segment = [this.generatedCodeColumn, sourceIndex, loc.line, loc.column];
			if (nameIndex >= 0) {
			segment.push(nameIndex);
			}
			this.rawSegments.push(segment);
			} else if (this.pending) {
			this.rawSegments.push(this.pending);
			}

			this.advance(content);
			this.pending = null;
			};

			Mappings.prototype.addUneditedChunk = function addUneditedChunk (sourceIndex, chunk, original, loc, sourcemapLocations) {
			var originalCharIndex = chunk.start;
			var first = true;

			while (originalCharIndex < chunk.end) {
			if (this.hires \|\| first \|\| sourcemapLocations.has(originalCharIndex)) {
			this.rawSegments.push([this.generatedCodeColumn, sourceIndex, loc.line, loc.column]);
			}

			if (original[originalCharIndex] === '\n') {
			loc.line += 1;
			loc.column = 0;
			this.generatedCodeLine += 1;
			this.raw[this.generatedCodeLine] = this.rawSegments = [];
			this.generatedCodeColumn = 0;
			first = true;
			} else {
			loc.column += 1;
			this.generatedCodeColumn += 1;
			first = false;
			}

			originalCharIndex += 1;
			}

			this.pending = null;
			};

			Mappings.prototype.advance = function advance (str) {
			if (!str) { return; }

			var lines = str.split('\n');

			if (lines.length > 1) {
			for (var 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;
			};

			var n = '\n';

			var warned = {
			insertLeft: false,
			insertRight: false,
			storeName: false,
			};

			var MagicString = function MagicString(string, options) {
			if ( options === void 0 ) options = {};

			var 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: guessIndent(string) },
			});

			this.byStart[0] = chunk;
			this.byEnd[string.length] = chunk;
			};

			MagicString.prototype.addSourcemapLocation = function addSourcemapLocation (char) {
			this.sourcemapLocations.add(char);
			};

			MagicString.prototype.append = function append (content) {
			if (typeof content !== 'string') { throw new TypeError('outro content must be a string'); }

			this.outro += content;
			return this;
			};

			MagicString.prototype.appendLeft = function appendLeft (index, content) {
			if (typeof content !== 'string') { throw new TypeError('inserted content must be a string'); }

			this._split(index);

			var chunk = this.byEnd[index];

			if (chunk) {
			chunk.appendLeft(content);
			} else {
			this.intro += content;
			}
			return this;
			};

			MagicString.prototype.appendRight = function appendRight (index, content) {
			if (typeof content !== 'string') { throw new TypeError('inserted content must be a string'); }

			this._split(index);

			var chunk = this.byStart[index];

			if (chunk) {
			chunk.appendRight(content);
			} else {
			this.outro += content;
			}
			return this;
			};

			MagicString.prototype.clone = function clone () {
			var cloned = new MagicString(this.original, { filename: this.filename });

			var originalChunk = this.firstChunk;
			var clonedChunk = (cloned.firstChunk = cloned.lastSearchedChunk = originalChunk.clone());

			while (originalChunk) {
			cloned.byStart[clonedChunk.start] = clonedChunk;
			cloned.byEnd[clonedChunk.end] = clonedChunk;

			var nextOriginalChunk = originalChunk.next;
			var 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;
			};

			MagicString.prototype.generateDecodedMap = function generateDecodedMap (options) {
			var this$1$1 = this;

			options = options \|\| {};

			var sourceIndex = 0;
			var names = Object.keys(this.storedNames);
			var mappings = new Mappings(options.hires);

			var locate = getLocator(this.original);

			if (this.intro) {
			mappings.advance(this.intro);
			}

			this.firstChunk.eachNext(function (chunk) {
			var loc = locate(chunk.start);

			if (chunk.intro.length) { mappings.advance(chunk.intro); }

			if (chunk.edited) {
			mappings.addEdit(
			sourceIndex,
			chunk.content,
			loc,
			chunk.storeName ? names.indexOf(chunk.original) : -1
			);
			} else {
			mappings.addUneditedChunk(sourceIndex, chunk, this$1$1.original, loc, this$1$1.sourcemapLocations);
			}

			if (chunk.outro.length) { mappings.advance(chunk.outro); }
			});

			return {
			file: options.file ? options.file.split(/[/\\]/).pop() : null,
			sources: [options.source ? getRelativePath(options.file \|\| '', options.source) : null],
			sourcesContent: options.includeContent ? [this.original] : [null],
			names: names,
			mappings: mappings.raw,
			};
			};

			MagicString.prototype.generateMap = function generateMap (options) {
			return new SourceMap(this.generateDecodedMap(options));
			};

			MagicString.prototype.getIndentString = function getIndentString () {
			return this.indentStr === null ? '\t' : this.indentStr;
			};

			MagicString.prototype.indent = function indent (indentStr, options) {
			var pattern = /^[^\r\n]/gm;

			if (isObject(indentStr)) {
			options = indentStr;
			indentStr = undefined;
			}

			indentStr = indentStr !== undefined ? indentStr : this.indentStr \|\| '\t';

			if (indentStr === '') { return this; } // noop

			options = options \|\| {};

			// Process exclusion ranges
			var isExcluded = {};

			if (options.exclude) {
			var exclusions =
			typeof options.exclude[0] === 'number' ? [options.exclude] : options.exclude;
			exclusions.forEach(function (exclusion) {
			for (var i = exclusion[0]; i < exclusion[1]; i += 1) {
			isExcluded[i] = true;
			}
			});
			}

			var shouldIndentNextCharacter = options.indentStart !== false;
			var replacer = function (match) {
			if (shouldIndentNextCharacter) { return ("" + indentStr + match); }
			shouldIndentNextCharacter = true;
			return match;
			};

			this.intro = this.intro.replace(pattern, replacer);

			var charIndex = 0;
			var chunk = this.firstChunk;

			while (chunk) {
			var end = chunk.end;

			if (chunk.edited) {
			if (!isExcluded[charIndex]) {
			chunk.content = chunk.content.replace(pattern, replacer);

			if (chunk.content.length) {
			shouldIndentNextCharacter = chunk.content[chunk.content.length - 1] === '\n';
			}
			}
			} else {
			charIndex = chunk.start;

			while (charIndex < end) {
			if (!isExcluded[charIndex]) {
			var char = this.original[charIndex];

			if (char === '\n') {
			shouldIndentNextCharacter = true;
			} else if (char !== '\r' && shouldIndentNextCharacter) {
			shouldIndentNextCharacter = false;

			if (charIndex === chunk.start) {
			chunk.prependRight(indentStr);
			} else {
			this._splitChunk(chunk, charIndex);
			chunk = chunk.next;
			chunk.prependRight(indentStr);
			}
			}
			}

			charIndex += 1;
			}
			}

			charIndex = chunk.end;
			chunk = chunk.next;
			}

			this.outro = this.outro.replace(pattern, replacer);

			return this;
			};

			MagicString.prototype.insert = function insert () {
			throw new Error(
			'magicString.insert(...) is deprecated. Use prependRight(...) or appendLeft(...)'
			);
			};

			MagicString.prototype.insertLeft = function insertLeft (index, content) {
			if (!warned.insertLeft) {
			console.warn(
			'magicString.insertLeft(...) is deprecated. Use magicString.appendLeft(...) instead'
			); // eslint-disable-line no-console
			warned.insertLeft = true;
			}

			return this.appendLeft(index, content);
			};

			MagicString.prototype.insertRight = function insertRight (index, content) {
			if (!warned.insertRight) {
			console.warn(
			'magicString.insertRight(...) is deprecated. Use magicString.prependRight(...) instead'
			); // eslint-disable-line no-console
			warned.insertRight = true;
			}

			return this.prependRight(index, content);
			};

			MagicString.prototype.move = function move (start, end, index) {
			if (index >= start && index <= end) { throw new Error('Cannot move a selection inside itself'); }

			this._split(start);
			this._split(end);
			this._split(index);

			var first = this.byStart[start];
			var last = this.byEnd[end];

			var oldLeft = first.previous;
			var oldRight = last.next;

			var newRight = this.byStart[index];
			if (!newRight && last === this.lastChunk) { return this; }
			var newLeft = newRight ? newRight.previous : this.lastChunk;

			if (oldLeft) { oldLeft.next = oldRight; }
			if (oldRight) { oldRight.previous = oldLeft; }

			if (newLeft) { newLeft.next = first; }
			if (newRight) { newRight.previous = last; }

			if (!first.previous) { this.firstChunk = last.next; }
			if (!last.next) {
			this.lastChunk = first.previous;
			this.lastChunk.next = null;
			}

			first.previous = newLeft;
			last.next = newRight \|\| null;

			if (!newLeft) { this.firstChunk = first; }
			if (!newRight) { this.lastChunk = last; }
			return this;
			};

			MagicString.prototype.overwrite = function overwrite (start, end, content, options) {
			if (typeof content !== 'string') { throw new TypeError('replacement content must be a string'); }

			while (start < 0) { start += this.original.length; }
			while (end < 0) { end += this.original.length; }

			if (end > this.original.length) { throw new Error('end is out of bounds'); }
			if (start === end)
			{ throw new Error(
			'Cannot overwrite a zero-length range – use appendLeft or prependRight instead'
			); }

			this._split(start);
			this._split(end);

			if (options === true) {
			if (!warned.storeName) {
			console.warn(
			'The final argument to magicString.overwrite(...) should be an options object. See https://github.com/rich-harris/magic-string'
			); // eslint-disable-line no-console
			warned.storeName = true;
			}

			options = { storeName: true };
			}
			var storeName = options !== undefined ? options.storeName : false;
			var contentOnly = options !== undefined ? options.contentOnly : false;

			if (storeName) {
			var original = this.original.slice(start, end);
			Object.defineProperty(this.storedNames, original, { writable: true, value: true, enumerable: true });
			}

			var first = this.byStart[start];
			var last = this.byEnd[end];

			if (first) {
			var chunk = first;
			while (chunk !== last) {
			if (chunk.next !== this.byStart[chunk.end]) {
			throw new Error('Cannot overwrite across a split point');
			}
			chunk = chunk.next;
			chunk.edit('', false);
			}

			first.edit(content, storeName, contentOnly);
			} else {
			// must be inserting at the end
			var newChunk = new Chunk(start, end, '').edit(content, storeName);

			// TODO last chunk in the array may not be the last chunk, if it's moved...
			last.next = newChunk;
			newChunk.previous = last;
			}
			return this;
			};

			MagicString.prototype.prepend = function prepend (content) {
			if (typeof content !== 'string') { throw new TypeError('outro content must be a string'); }

			this.intro = content + this.intro;
			return this;
			};

			MagicString.prototype.prependLeft = function prependLeft (index, content) {
			if (typeof content !== 'string') { throw new TypeError('inserted content must be a string'); }

			this._split(index);

			var chunk = this.byEnd[index];

			if (chunk) {
			chunk.prependLeft(content);
			} else {
			this.intro = content + this.intro;
			}
			return this;
			};

			MagicString.prototype.prependRight = function prependRight (index, content) {
			if (typeof content !== 'string') { throw new TypeError('inserted content must be a string'); }

			this._split(index);

			var chunk = this.byStart[index];

			if (chunk) {
			chunk.prependRight(content);
			} else {
			this.outro = content + this.outro;
			}
			return this;
			};

			MagicString.prototype.remove = function remove (start, end) {
			while (start < 0) { start += this.original.length; }
			while (end < 0) { end += this.original.length; }

			if (start === end) { return this; }

			if (start < 0 \|\| end > this.original.length) { throw new Error('Character is out of bounds'); }
			if (start > end) { throw new Error('end must be greater than start'); }

			this._split(start);
			this._split(end);

			var chunk = this.byStart[start];

			while (chunk) {
			chunk.intro = '';
			chunk.outro = '';
			chunk.edit('');

			chunk = end > chunk.end ? this.byStart[chunk.end] : null;
			}
			return this;
			};

			MagicString.prototype.lastChar = function lastChar () {
			if (this.outro.length) { return this.outro[this.outro.length - 1]; }
			var chunk = this.lastChunk;
			do {
			if (chunk.outro.length) { return chunk.outro[chunk.outro.length - 1]; }
			if (chunk.content.length) { return chunk.content[chunk.content.length - 1]; }
			if (chunk.intro.length) { return chunk.intro[chunk.intro.length - 1]; }
			} while ((chunk = chunk.previous));
			if (this.intro.length) { return this.intro[this.intro.length - 1]; }
			return '';
			};

			MagicString.prototype.lastLine = function lastLine () {
			var lineIndex = this.outro.lastIndexOf(n);
			if (lineIndex !== -1) { return this.outro.substr(lineIndex + 1); }
			var lineStr = this.outro;
			var chunk = this.lastChunk;
			do {
			if (chunk.outro.length > 0) {
			lineIndex = chunk.outro.lastIndexOf(n);
			if (lineIndex !== -1) { return chunk.outro.substr(lineIndex + 1) + lineStr; }
			lineStr = chunk.outro + lineStr;
			}

			if (chunk.content.length > 0) {
			lineIndex = chunk.content.lastIndexOf(n);
			if (lineIndex !== -1) { return chunk.content.substr(lineIndex + 1) + lineStr; }
			lineStr = chunk.content + lineStr;
			}

			if (chunk.intro.length > 0) {
			lineIndex = chunk.intro.lastIndexOf(n);
			if (lineIndex !== -1) { return chunk.intro.substr(lineIndex + 1) + lineStr; }
			lineStr = chunk.intro + lineStr;
			}
			} while ((chunk = chunk.previous));
			lineIndex = this.intro.lastIndexOf(n);
			if (lineIndex !== -1) { return this.intro.substr(lineIndex + 1) + lineStr; }
			return this.intro + lineStr;
			};

			MagicString.prototype.slice = function slice (start, end) {
			if ( start === void 0 ) start = 0;
			if ( end === void 0 ) end = this.original.length;

			while (start < 0) { start += this.original.length; }
			while (end < 0) { end += this.original.length; }

			var result = '';

			// find start chunk
			var chunk = this.firstChunk;
			while (chunk && (chunk.start > start \|\| chunk.end <= start)) {
			// found end chunk before start
			if (chunk.start < end && chunk.end >= end) {
			return result;
			}

			chunk = chunk.next;
			}

			if (chunk && chunk.edited && chunk.start !== start)
			{ throw new Error(("Cannot use replaced character " + start + " as slice start anchor.")); }

			var startChunk = chunk;
			while (chunk) {
			if (chunk.intro && (startChunk !== chunk \|\| chunk.start === start)) {
			result += chunk.intro;
			}

			var containsEnd = chunk.start < end && chunk.end >= end;
			if (containsEnd && chunk.edited && chunk.end !== end)
			{ throw new Error(("Cannot use replaced character " + end + " as slice end anchor.")); }

			var sliceStart = startChunk === chunk ? start - chunk.start : 0;
			var sliceEnd = containsEnd ? chunk.content.length + end - chunk.end : chunk.content.length;

			result += chunk.content.slice(sliceStart, sliceEnd);

			if (chunk.outro && (!containsEnd \|\| chunk.end === end)) {
			result += chunk.outro;
			}

			if (containsEnd) {
			break;
			}

			chunk = chunk.next;
			}

			return result;
			};

			// TODO deprecate this? not really very useful
			MagicString.prototype.snip = function snip (start, end) {
			var clone = this.clone();
			clone.remove(0, start);
			clone.remove(end, clone.original.length);

			return clone;
			};

			MagicString.prototype._split = function _split (index) {
			if (this.byStart[index] \|\| this.byEnd[index]) { return; }

			var chunk = this.lastSearchedChunk;
			var searchForward = index > chunk.end;

			while (chunk) {
			if (chunk.contains(index)) { return this._splitChunk(chunk, index); }

			chunk = searchForward ? this.byStart[chunk.end] : this.byEnd[chunk.start];
			}
			};

			MagicString.prototype._splitChunk = function _splitChunk (chunk, index) {
			if (chunk.edited && chunk.content.length) {
			// zero-length edited chunks are a special case (overlapping replacements)
			var loc = getLocator(this.original)(index);
			throw new Error(
			("Cannot split a chunk that has already been edited (" + (loc.line) + ":" + (loc.column) + " – \"" + (chunk.original) + "\")")
			);
			}

			var newChunk = chunk.split(index);

			this.byEnd[index] = chunk;
			this.byStart[index] = newChunk;
			this.byEnd[newChunk.end] = newChunk;

			if (chunk === this.lastChunk) { this.lastChunk = newChunk; }

			this.lastSearchedChunk = chunk;
			return true;
			};

			MagicString.prototype.toString = function toString () {
			var str = this.intro;

			var chunk = this.firstChunk;
			while (chunk) {
			str += chunk.toString();
			chunk = chunk.next;
			}

			return str + this.outro;
			};

			MagicString.prototype.isEmpty = function isEmpty () {
			var chunk = this.firstChunk;
			do {
			if (
			(chunk.intro.length && chunk.intro.trim()) \|\|
			(chunk.content.length && chunk.content.trim()) \|\|
			(chunk.outro.length && chunk.outro.trim())
			)
			{ return false; }
			} while ((chunk = chunk.next));
			return true;
			};

			MagicString.prototype.length = function length () {
			var chunk = this.firstChunk;
			var length = 0;
			do {
			length += chunk.intro.length + chunk.content.length + chunk.outro.length;
			} while ((chunk = chunk.next));
			return length;
			};

			MagicString.prototype.trimLines = function trimLines () {
			return this.trim('[\\r\\n]');
			};

			MagicString.prototype.trim = function trim (charType) {
			return this.trimStart(charType).trimEnd(charType);
			};

			MagicString.prototype.trimEndAborted = function trimEndAborted (charType) {
			var rx = new RegExp((charType \|\| '\\s') + '+$');

			this.outro = this.outro.replace(rx, '');
			if (this.outro.length) { return true; }

			var chunk = this.lastChunk;

			do {
			var end = chunk.end;
			var aborted = chunk.trimEnd(rx);

			// if chunk was trimmed, we have a new lastChunk
			if (chunk.end !== end) {
			if (this.lastChunk === chunk) {
			this.lastChunk = chunk.next;
			}

			this.byEnd[chunk.end] = chunk;
			this.byStart[chunk.next.start] = chunk.next;
			this.byEnd[chunk.next.end] = chunk.next;
			}

			if (aborted) { return true; }
			chunk = chunk.previous;
			} while (chunk);

			return false;
			};

			MagicString.prototype.trimEnd = function trimEnd (charType) {
			this.trimEndAborted(charType);
			return this;
			};
			MagicString.prototype.trimStartAborted = function trimStartAborted (charType) {
			var rx = new RegExp('^' + (charType \|\| '\\s') + '+');

			this.intro = this.intro.replace(rx, '');
			if (this.intro.length) { return true; }

			var chunk = this.firstChunk;

			do {
			var end = chunk.end;
			var aborted = chunk.trimStart(rx);

			if (chunk.end !== end) {
			// special case...
			if (chunk === this.lastChunk) { this.lastChunk = chunk.next; }

			this.byEnd[chunk.end] = chunk;
			this.byStart[chunk.next.start] = chunk.next;
			this.byEnd[chunk.next.end] = chunk.next;
			}

			if (aborted) { return true; }
			chunk = chunk.next;
			} while (chunk);

			return false;
			};

			MagicString.prototype.trimStart = function trimStart (charType) {
			this.trimStartAborted(charType);
			return this;
			};

			var hasOwnProp = Object.prototype.hasOwnProperty;

			var Bundle = function Bundle(options) {
			if ( options === void 0 ) options = {};

			this.intro = options.intro \|\| '';
			this.separator = options.separator !== undefined ? options.separator : '\n';
			this.sources = [];
			this.uniqueSources = [];
			this.uniqueSourceIndexByFilename = {};
			};

			Bundle.prototype.addSource = function addSource (source) {
			if (source instanceof MagicString) {
			return this.addSource({
			content: source,
			filename: source.filename,
			separator: this.separator,
			});
			}

			if (!isObject(source) \|\| !source.content) {
			throw new Error(
			'bundle.addSource() takes an object with a `content` property, which should be an instance of MagicString, and an optional `filename`'
			);
			}

			['filename', 'indentExclusionRanges', 'separator'].forEach(function (option) {
			if (!hasOwnProp.call(source, option)) { source[option] = source.content[option]; }
			});

			if (source.separator === undefined) {
			// TODO there's a bunch of this sort of thing, needs cleaning up
			source.separator = this.separator;
			}

			if (source.filename) {
			if (!hasOwnProp.call(this.uniqueSourceIndexByFilename, source.filename)) {
			this.uniqueSourceIndexByFilename[source.filename] = this.uniqueSources.length;
			this.uniqueSources.push({ filename: source.filename, content: source.content.original });
			} else {
			var uniqueSource = this.uniqueSources[this.uniqueSourceIndexByFilename[source.filename]];
			if (source.content.original !== uniqueSource.content) {
			throw new Error(("Illegal source: same filename (" + (source.filename) + "), different contents"));
			}
			}
			}

			this.sources.push(source);
			return this;
			};

			Bundle.prototype.append = function append (str, options) {
			this.addSource({
			content: new MagicString(str),
			separator: (options && options.separator) \|\| '',
			});

			return this;
			};

			Bundle.prototype.clone = function clone () {
			var bundle = new Bundle({
			intro: this.intro,
			separator: this.separator,
			});

			this.sources.forEach(function (source) {
			bundle.addSource({
			filename: source.filename,
			content: source.content.clone(),
			separator: source.separator,
			});
			});

			return bundle;
			};

			Bundle.prototype.generateDecodedMap = function generateDecodedMap (options) {
			var this$1$1 = this;
			if ( options === void 0 ) options = {};

			var names = [];
			this.sources.forEach(function (source) {
			Object.keys(source.content.storedNames).forEach(function (name) {
			if (!~names.indexOf(name)) { names.push(name); }
			});
			});

			var mappings = new Mappings(options.hires);

			if (this.intro) {
			mappings.advance(this.intro);
			}

			this.sources.forEach(function (source, i) {
			if (i > 0) {
			mappings.advance(this$1$1.separator);
			}

			var sourceIndex = source.filename ? this$1$1.uniqueSourceIndexByFilename[source.filename] : -1;
			var magicString = source.content;
			var locate = getLocator(magicString.original);

			if (magicString.intro) {
			mappings.advance(magicString.intro);
			}

			magicString.firstChunk.eachNext(function (chunk) {
			var loc = locate(chunk.start);

			if (chunk.intro.length) { mappings.advance(chunk.intro); }

			if (source.filename) {
			if (chunk.edited) {
			mappings.addEdit(
			sourceIndex,
			chunk.content,
			loc,
			chunk.storeName ? names.indexOf(chunk.original) : -1
			);
			} else {
			mappings.addUneditedChunk(
			sourceIndex,
			chunk,
			magicString.original,
			loc,
			magicString.sourcemapLocations
			);
			}
			} else {
			mappings.advance(chunk.content);
			}

			if (chunk.outro.length) { mappings.advance(chunk.outro); }
			});

			if (magicString.outro) {
			mappings.advance(magicString.outro);
			}
			});

			return {
			file: options.file ? options.file.split(/[/\\]/).pop() : null,
			sources: this.uniqueSources.map(function (source) {
			return options.file ? getRelativePath(options.file, source.filename) : source.filename;
			}),
			sourcesContent: this.uniqueSources.map(function (source) {
			return options.includeContent ? source.content : null;
			}),
			names: names,
			mappings: mappings.raw,
			};
			};

			Bundle.prototype.generateMap = function generateMap (options) {
			return new SourceMap(this.generateDecodedMap(options));
			};

			Bundle.prototype.getIndentString = function getIndentString () {
			var indentStringCounts = {};

			this.sources.forEach(function (source) {
			var indentStr = source.content.indentStr;

			if (indentStr === null) { return; }

			if (!indentStringCounts[indentStr]) { indentStringCounts[indentStr] = 0; }
			indentStringCounts[indentStr] += 1;
			});

			return (
			Object.keys(indentStringCounts).sort(function (a, b) {
			return indentStringCounts[a] - indentStringCounts[b];
			})[0] \|\| '\t'
			);
			};

			Bundle.prototype.indent = function indent (indentStr) {
			var this$1$1 = this;

			if (!arguments.length) {
			indentStr = this.getIndentString();
			}

			if (indentStr === '') { return this; } // noop

			var trailingNewline = !this.intro \|\| this.intro.slice(-1) === '\n';

			this.sources.forEach(function (source, i) {
			var separator = source.separator !== undefined ? source.separator : this$1$1.separator;
			var indentStart = trailingNewline \|\| (i > 0 && /\r?\n$/.test(separator));

			source.content.indent(indentStr, {
			exclude: source.indentExclusionRanges,
			indentStart: indentStart, //: trailingNewline \|\| /\r?\n$/.test( separator ) //true///\r?\n/.test( separator )
			});

			trailingNewline = source.content.lastChar() === '\n';
			});

			if (this.intro) {
			this.intro =
			indentStr +
			this.intro.replace(/^[^\n]/gm, function (match, index) {
			return index > 0 ? indentStr + match : match;
			});
			}

			return this;
			};

			Bundle.prototype.prepend = function prepend (str) {
			this.intro = str + this.intro;
			return this;
			};

			Bundle.prototype.toString = function toString () {
			var this$1$1 = this;

			var body = this.sources
			.map(function (source, i) {
			var separator = source.separator !== undefined ? source.separator : this$1$1.separator;
			var str = (i > 0 ? separator : '') + source.content.toString();

			return str;
			})
			.join('');

			return this.intro + body;
			};

			Bundle.prototype.isEmpty = function isEmpty () {
			if (this.intro.length && this.intro.trim()) { return false; }
			if (this.sources.some(function (source) { return !source.content.isEmpty(); })) { return false; }
			return true;
			};

			Bundle.prototype.length = function length () {
			return this.sources.reduce(
			function (length, source) { return length + source.content.length(); },
			this.intro.length
			);
			};

			Bundle.prototype.trimLines = function trimLines () {
			return this.trim('[\\r\\n]');
			};

			Bundle.prototype.trim = function trim (charType) {
			return this.trimStart(charType).trimEnd(charType);
			};

			Bundle.prototype.trimStart = function trimStart (charType) {
			var rx = new RegExp('^' + (charType \|\| '\\s') + '+');
			this.intro = this.intro.replace(rx, '');

			if (!this.intro) {
			var source;
			var i = 0;

			do {
			source = this.sources[i++];
			if (!source) {
			break;
			}
			} while (!source.content.trimStartAborted(charType));
			}

			return this;
			};

			Bundle.prototype.trimEnd = function trimEnd (charType) {
			var rx = new RegExp((charType \|\| '\\s') + '+$');

			var source;
			var i = this.sources.length - 1;

			do {
			source = this.sources[i--];
			if (!source) {
			this.intro = this.intro.replace(rx, '');
			break;
			}
			} while (!source.content.trimEndAborted(charType));

			return this;
			};

			MagicString.Bundle = Bundle;
			MagicString.SourceMap = SourceMap;
			MagicString.default = MagicString; // work around TypeScript bug https://github.com/Rich-Harris/magic-string/pull/121

			module.exports = MagicString;
			//# sourceMappingURL=magic-string.cjs.js.map