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authorDimitri Staessens <dimitri@ouroboros.rocks>2019-10-06 21:37:45 +0200
committerDimitri Staessens <dimitri@ouroboros.rocks>2019-10-06 21:37:45 +0200
commit3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 (patch)
treec7ccc8279b12c4f7bdbbb4270d617e48f51722e4 /node_modules/snapdragon/lib/source-maps.js
parent412c104bebc507bea9c94fd53b5bdc4b64cbfe31 (diff)
downloadwebsite-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.tar.gz
website-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.zip
build: Add some required modules for node
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-rw-r--r--node_modules/snapdragon/lib/source-maps.js145
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diff --git a/node_modules/snapdragon/lib/source-maps.js b/node_modules/snapdragon/lib/source-maps.js
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+'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);
+};