Current Dev State

static/js/ketcher2/node_modules/gulp-sourcemaps/src/utils.js

@@ -0,0 +1,74 @@
+'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 getCommentFormatter = function (file) {
+  var extension = file.relative.split('.').pop(),
+    fileContents =  file.contents.toString(),
+    newline =  detectNewline.graceful(fileContents || ''),
+    commentFormatter = function(url) {
+      return '';
+    };
+
+  if (file.sourceMap.preExistingComment){
+    debug(function() { return 'preExistingComment commentFormatter'; });
+    commentFormatter = function(url) {
+      return "//# sourceMappingURL=" + url + newline;
+    };
+    return commentFormatter;
+  }
+
+  switch (extension) {
+    case 'css':
+      debug(function() { return 'css commentFormatter';});
+      commentFormatter = function(url) {
+        return newline + "/*# sourceMappingURL=" + url + " */" + newline;
+      };
+      break;
+    case 'js':
+      debug(function() { return 'js commentFormatter'; });
+      commentFormatter = function(url) {
+        return newline + "//# sourceMappingURL=" + url + newline;
+      };
+      break;
+    default:
+      debug(function() { return 'unknown commentFormatter'; });
+  }
+
+  return commentFormatter;
+};
+
+var getInlinePreExisting = function(fileContent){
+  if(sourceMapUrlRegEx().test(fileContent)){
+    debug(function() { return 'has preExisting'; });
+    return fileContent.match(sourceMapUrlRegEx())[0];
+  }
+};
+
+
+module.exports = {
+  unixStylePath: unixStylePath,
+  PLUGIN_NAME: PLUGIN_NAME,
+  urlRegex: urlRegex,
+  sourceMapUrlRegEx: sourceMapUrlRegEx,
+  getCommentFormatter: getCommentFormatter,
+  getInlinePreExisting: getInlinePreExisting
+};