diff options
Diffstat (limited to 'node_modules/snapdragon/lib/source-maps.js')
-rw-r--r-- | node_modules/snapdragon/lib/source-maps.js | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/node_modules/snapdragon/lib/source-maps.js b/node_modules/snapdragon/lib/source-maps.js deleted file mode 100644 index d8e638b..0000000 --- a/node_modules/snapdragon/lib/source-maps.js +++ /dev/null @@ -1,145 +0,0 @@ -'use strict'; - -var fs = require('fs'); -var path = require('path'); -var define = require('define-property'); -var utils = require('./utils'); - -/** - * Expose `mixin()`. - * This code is based on `source-maps-support.js` in reworkcss/css - * https://github.com/reworkcss/css/blob/master/lib/stringify/source-map-support.js - * Copyright (c) 2012 TJ Holowaychuk <tj@vision-media.ca> - */ - -module.exports = mixin; - -/** - * Mixin source map support into `compiler`. - * - * @param {Object} `compiler` - * @api public - */ - -function mixin(compiler) { - define(compiler, '_comment', compiler.comment); - compiler.map = new utils.SourceMap.SourceMapGenerator(); - compiler.position = { line: 1, column: 1 }; - compiler.content = {}; - compiler.files = {}; - - for (var key in exports) { - define(compiler, key, exports[key]); - } -} - -/** - * Update position. - * - * @param {String} str - */ - -exports.updatePosition = function(str) { - var lines = str.match(/\n/g); - if (lines) this.position.line += lines.length; - var i = str.lastIndexOf('\n'); - this.position.column = ~i ? str.length - i : this.position.column + str.length; -}; - -/** - * Emit `str` with `position`. - * - * @param {String} str - * @param {Object} [pos] - * @return {String} - */ - -exports.emit = function(str, node) { - var position = node.position || {}; - var source = position.source; - if (source) { - if (position.filepath) { - source = utils.unixify(position.filepath); - } - - this.map.addMapping({ - source: source, - generated: { - line: this.position.line, - column: Math.max(this.position.column - 1, 0) - }, - original: { - line: position.start.line, - column: position.start.column - 1 - } - }); - - if (position.content) { - this.addContent(source, position); - } - if (position.filepath) { - this.addFile(source, position); - } - - this.updatePosition(str); - this.output += str; - } - return str; -}; - -/** - * Adds a file to the source map output if it has not already been added - * @param {String} `file` - * @param {Object} `pos` - */ - -exports.addFile = function(file, position) { - if (typeof position.content !== 'string') return; - if (Object.prototype.hasOwnProperty.call(this.files, file)) return; - this.files[file] = position.content; -}; - -/** - * Adds a content source to the source map output if it has not already been added - * @param {String} `source` - * @param {Object} `position` - */ - -exports.addContent = function(source, position) { - if (typeof position.content !== 'string') return; - if (Object.prototype.hasOwnProperty.call(this.content, source)) return; - this.map.setSourceContent(source, position.content); -}; - -/** - * Applies any original source maps to the output and embeds the source file - * contents in the source map. - */ - -exports.applySourceMaps = function() { - Object.keys(this.files).forEach(function(file) { - var content = this.files[file]; - this.map.setSourceContent(file, content); - - if (this.options.inputSourcemaps === true) { - var originalMap = utils.sourceMapResolve.resolveSync(content, file, fs.readFileSync); - if (originalMap) { - var map = new utils.SourceMap.SourceMapConsumer(originalMap.map); - var relativeTo = originalMap.sourcesRelativeTo; - this.map.applySourceMap(map, file, utils.unixify(path.dirname(relativeTo))); - } - } - }, this); -}; - -/** - * Process comments, drops sourceMap comments. - * @param {Object} node - */ - -exports.comment = function(node) { - if (/^# sourceMappingURL=/.test(node.comment)) { - return this.emit('', node.position); - } - return this._comment(node); -}; |