uapte

node_modules/gulp-sourcemaps/src/utils.js

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+'use strict';
+var path = require('path'),
+  detectNewline = require('detect-newline');
+
+function unixStylePath(filePath) {
+  return filePath.split(path.sep).join('/');
+}
+
+var PLUGIN_NAME = require('../package.json').name;
+
+var urlRegex = /^(https?|webpack(-[^:]+)?):\/\//;
+
+var debug = require('./debug').spawn('utils');
+/*
+So reusing the same ref for a regex (with global (g)) is from a poor decision in js.
+See http://stackoverflow.com/questions/10229144/bug-with-regexp-in-javascript-when-do-global-search
+
+So we either need to use a new instance of a regex everywhere.
+*/
+var sourceMapUrlRegEx = function(){ return /\/\/\# sourceMappingURL\=.*/g;};
+
+var commentFormatters = {
+  css: function cssCommentFormatter(preLine, newline, url) {
+    return preLine + "/*# sourceMappingURL=" + url + " */" + newline;
+  },
+  js: function jsCommentFormatter(preLine, newline, url) {
+    return preLine + "//# sourceMappingURL=" + url + newline;
+  },
+  'default': function defaultFormatter() {
+    return '';
+  }
+}
+
+
+var getCommentFormatter = function (file) {
+  var extension = file.relative.split('.').pop(),
+    fileContents = file.contents.toString(),
+    newline = detectNewline.graceful(fileContents || '');
+
+  var commentFormatter = commentFormatters.default;
+
+  if (file.sourceMap.preExistingComment) {
+    commentFormatter = (commentFormatters[extension] || commentFormatter).bind(undefined, '', newline)
+    debug(function () {
+      return 'preExistingComment commentFormatter ' + commentFormatter.name;
+    });
+  } else {
+    commentFormatter = (commentFormatters[extension] || commentFormatter).bind(undefined, newline, newline);
+  }
+
+  debug(function () {
+    return 'commentFormatter ' + commentFormatter.name;
+  });
+  return commentFormatter;
+};
+
+var getInlinePreExisting = function(fileContent){
+  if(sourceMapUrlRegEx().test(fileContent)){
+    debug(function() { return 'has preExisting'; });
+    return fileContent.match(sourceMapUrlRegEx())[0];
+  }
+};
+
+var exceptionToString = function (exception) {
+  return exception.message || '';
+};
+
+module.exports = {
+  unixStylePath: unixStylePath,
+  PLUGIN_NAME: PLUGIN_NAME,
+  urlRegex: urlRegex,
+  sourceMapUrlRegEx: sourceMapUrlRegEx,
+  getCommentFormatter: getCommentFormatter,
+  getInlinePreExisting: getInlinePreExisting,
+  exceptionToString: exceptionToString
+};