hexo/node_modules/magic-string/dist/magic-string.es.js

1306 lines
34 KiB
JavaScript
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

import { encode } from '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 = 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;
};
export { Bundle, SourceMap, MagicString as default };
//# sourceMappingURL=magic-string.es.js.map