Current Dev State

static/js/ketcher2/node_modules/babel-istanbul/lib/util/yui-load-hook.js

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+/*
+ Copyright (c) 2012, Yahoo! Inc.  All rights reserved.
+ Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
+ */
+
+//EXPERIMENTAL code: do not rely on this in anyway until the docs say it is allowed
+
+var path = require('path'),
+    yuiRegexp = /yui-nodejs\.js$/;
+
+module.exports = function (matchFn, transformFn, verbose) {
+    return function (file) {
+        if (!file.match(yuiRegexp)) {
+            return;
+        }
+        var YMain = require(file),
+            YUI,
+            loaderFn,
+            origGet;
+
+        if (YMain.YUI) {
+            YUI = YMain.YUI;
+            loaderFn = YUI.Env && YUI.Env.mods && YUI.Env.mods['loader-base'] ? YUI.Env.mods['loader-base'].fn : null;
+            if (!loaderFn) { return; }
+            if (verbose) { console.log('Applying YUI load post-hook'); }
+            YUI.Env.mods['loader-base'].fn = function (Y) {
+                loaderFn.call(null, Y);
+                origGet = Y.Get._exec;
+                Y.Get._exec = function (data, url, cb) {
+                    if (matchFn(url) || matchFn(path.resolve(url))) { //allow for relative paths as well
+                        if (verbose) {
+                            console.log('Transforming [' + url + ']');
+                        }
+                        try {
+                            data = transformFn(data, url);
+                        } catch (ex) {
+                            console.error('Error transforming: ' + url + ' return original code');
+                            console.error(ex.message || ex);
+                            if (ex.stack) { console.error(ex.stack); }
+                        }
+                    }
+                    return origGet.call(Y, data, url, cb);
+                };
+                return Y;
+            };
+        }
+    };
+};
+