Current Dev State

static/js/ketcher2/node_modules/exposify/index.js

@@ -0,0 +1,89 @@
+'use strict';
+
+var transformify = require('transformify')
+  , through = require('through2')
+  , expose = require('./expose');
+
+exports = module.exports = 
+
+/**
+ * browserify transform which exposes globals as modules that can be required.
+ *
+ * @name exposify
+ * @function
+ * @param {string} file file whose content is to be transformed
+ * @param {Object=} opts (exposify config), defaults to exposify.config or $EXPOSIFY_CONFIG
+ * @return {TransformStream} transform that replaces require statements found in the code with global assigments
+ */
+function exposify(file, opts) {
+  opts = opts || {};
+  opts.filePattern = opts.filePattern || exports.filePattern;
+  opts.expose = opts.expose || exports.config;
+
+  if (opts.filePattern && !opts.filePattern.test(file)) return through();
+
+  if (typeof opts.expose !== 'object') {
+   throw new Error('Please pass { expose: { ... } } to transform, set exposify.config or $EXPOSIFY_CONFIG so exposify knows what to expose');
+  }
+
+  // using transform options will pass non-option arguments as array on _
+  if (Array.isArray(opts.expose._)) {
+    delete opts.expose._
+  }
+
+  var tx = transformify(expose.bind(null, opts.expose));
+  return tx(file);
+};
+
+/**
+ * The config which is used by exposify to determine which require statemtents to replace and how.
+ * You need to set this or provide it via the `EXPOSIFY_CONFIG` environment variable.
+ *
+ * ### Example
+ *
+ *  ```js
+ *  var b = browserify();
+ *
+ *  // setting via transform argument
+ *  b.transform('exposify', { expose: { jquery: '$', three: 'THREE' } });
+ *  ```
+ *
+ *  ```js
+ *  // setting from javascript
+ *  exposify.config = { jquery: '$', three: 'THREE' };
+ *  ```
+ *
+ *  ```sh
+ *  # setting from command line
+ *  EXPOSIFY_CONFIG='{ "jquery": "$", "three": "THREE" }' browserify -t exposify ...
+ *  ```
+ * 
+ * @name exposify::config
+ * 
+ */
+exports.config = (function () {
+  if (process.env.EXPOSIFY_CONFIG) {
+    try {
+      return JSON.parse(process.env.EXPOSIFY_CONFIG);
+    } catch (err) {
+      console.error('Invalid exposify config!');
+      console.error(err.stack);
+    }
+  }
+})();
+
+
+/**
+ * Regex pattern of files whose content is exposified
+ * 
+ * @name exposify::filePattern
+ */
+exports.filePattern = /\.js$/;
+
+/**
+ * Exposes the expose function that operates on a string
+ * 
+ * @name exposify::expose
+ */
+exports.expose = expose;
+