Added vulcanize under third_party/npm_modules

node_modules/vulcanize/lib/optparser.js

+/**
+ * @license
+ * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+ */
+
+var fs = require('fs');
+var path = require('path');
+
+var CONSTANTS = require('./constants.js');
+var ABS_URL = CONSTANTS.ABS_URL;
+var REMOTE_ABS_URL = CONSTANTS.REMOTE_ABS_URL;
+var DEFAULT = 'vulcanized.html';
+
+// validate options with boolean return
+function processOptions(options, callback) {
+  var config = {};
+  var excludes = {
+    imports: [],
+    scripts: [],
+    styles: []
+  };
+
+  options = options || Object.create(null);
+
+  if (options.config) {
+    var configBlob;
+    try {
+      // TODO(dfreedm): Make this async
+      configBlob = fs.readFileSync(options.config, 'utf8');
+    } catch(e) {
+      return callback('Config file not found!');
+    }
+    try {
+      config = JSON.parse(configBlob);
+    } catch(e) {
+      return callback('Malformed config JSON!');
+    }
+  }
+
+  options.input = options.input || config.input;
+  if (!options.input && !options.inputSrc) {
+    return callback('No input file or source string given!');
+  }
+
+  options.excludes = options.excludes || config.excludes;
+  if (options.excludes) {
+    var e = options.excludes;
+    try {
+      if (e.imports) {
+        e.imports.forEach(function(r) {
+          excludes.imports.push(new RegExp(r));
+        });
+      }
+      if (e.scripts) {
+        e.scripts.forEach(function(r) {
+          excludes.scripts.push(new RegExp(r));
+        });
+      }
+      if (e.styles) {
+        e.styles.forEach(function(r) {
+          excludes.styles.push(new RegExp(r));
+        });
+      }
+    } catch(_) {
+      return callback('Malformed import exclude config');
+    }
+  }
+
+  options.output = options.output || config.output;
+  if (!options.output) {
+    options.output = path.resolve(path.dirname(options.input), DEFAULT);
+  }
+  options.outputDir = path.dirname(options.output);
+
+  options.csp = options.csp || config.csp;
+  if (options.csp) {
+    options.csp = options.output.replace(/\.html$/, '.js');
+  }
+
+  options.abspath = options.abspath || config.abspath;
+  if (options.abspath) {
+    options.abspath = path.resolve(options.abspath);
+    excludes.imports.push(REMOTE_ABS_URL);
+    excludes.scripts.push(REMOTE_ABS_URL);
+    excludes.styles.push(REMOTE_ABS_URL);
+  } else {
+    excludes.imports.push(ABS_URL);
+    excludes.scripts.push(ABS_URL);
+    excludes.styles.push(ABS_URL);
+  }
+
+  options.excludes = excludes;
+
+  options.keepExcludes = options['strip-excludes'] === false || config['strip-excludes'] === false;
+
+  callback(null, options);
+}
+
+exports.processOptions = processOptions;