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plugins/cordova-plugin-console/www/console-via-logger.js

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+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+*/
+
+//------------------------------------------------------------------------------
+
+var logger = require("./logger");
+
+//------------------------------------------------------------------------------
+// object that we're exporting
+//------------------------------------------------------------------------------
+var console = module.exports;
+
+//------------------------------------------------------------------------------
+// copy of the original console object
+//------------------------------------------------------------------------------
+var WinConsole = window.console;
+
+//------------------------------------------------------------------------------
+// whether to use the logger
+//------------------------------------------------------------------------------
+var UseLogger = false;
+
+//------------------------------------------------------------------------------
+// Timers
+//------------------------------------------------------------------------------
+var Timers = {};
+
+//------------------------------------------------------------------------------
+// used for unimplemented methods
+//------------------------------------------------------------------------------
+function noop() {}
+
+//------------------------------------------------------------------------------
+// used for unimplemented methods
+//------------------------------------------------------------------------------
+console.useLogger = function (value) {
+    if (arguments.length) UseLogger = !!value;
+
+    if (UseLogger) {
+        if (logger.useConsole()) {
+            throw new Error("console and logger are too intertwingly");
+        }
+    }
+
+    return UseLogger;
+};
+
+//------------------------------------------------------------------------------
+console.log = function() {
+    if (logger.useConsole()) return;
+    logger.log.apply(logger, [].slice.call(arguments));
+};
+
+//------------------------------------------------------------------------------
+console.error = function() {
+    if (logger.useConsole()) return;
+    logger.error.apply(logger, [].slice.call(arguments));
+};
+
+//------------------------------------------------------------------------------
+console.warn = function() {
+    if (logger.useConsole()) return;
+    logger.warn.apply(logger, [].slice.call(arguments));
+};
+
+//------------------------------------------------------------------------------
+console.info = function() {
+    if (logger.useConsole()) return;
+    logger.info.apply(logger, [].slice.call(arguments));
+};
+
+//------------------------------------------------------------------------------
+console.debug = function() {
+    if (logger.useConsole()) return;
+    logger.debug.apply(logger, [].slice.call(arguments));
+};
+
+//------------------------------------------------------------------------------
+console.assert = function(expression) {
+    if (expression) return;
+
+    var message = logger.format.apply(logger.format, [].slice.call(arguments, 1));
+    console.log("ASSERT: " + message);
+};
+
+//------------------------------------------------------------------------------
+console.clear = function() {};
+
+//------------------------------------------------------------------------------
+console.dir = function(object) {
+    console.log("%o", object);
+};
+
+//------------------------------------------------------------------------------
+console.dirxml = function(node) {
+    console.log(node.innerHTML);
+};
+
+//------------------------------------------------------------------------------
+console.trace = noop;
+
+//------------------------------------------------------------------------------
+console.group = console.log;
+
+//------------------------------------------------------------------------------
+console.groupCollapsed = console.log;
+
+//------------------------------------------------------------------------------
+console.groupEnd = noop;
+
+//------------------------------------------------------------------------------
+console.time = function(name) {
+    Timers[name] = new Date().valueOf();
+};
+
+//------------------------------------------------------------------------------
+console.timeEnd = function(name) {
+    var timeStart = Timers[name];
+    if (!timeStart) {
+        console.warn("unknown timer: " + name);
+        return;
+    }
+
+    var timeElapsed = new Date().valueOf() - timeStart;
+    console.log(name + ": " + timeElapsed + "ms");
+};
+
+//------------------------------------------------------------------------------
+console.timeStamp = noop;
+
+//------------------------------------------------------------------------------
+console.profile = noop;
+
+//------------------------------------------------------------------------------
+console.profileEnd = noop;
+
+//------------------------------------------------------------------------------
+console.count = noop;
+
+//------------------------------------------------------------------------------
+console.exception = console.log;
+
+//------------------------------------------------------------------------------
+console.table = function(data, columns) {
+    console.log("%o", data);
+};
+
+//------------------------------------------------------------------------------
+// return a new function that calls both functions passed as args
+//------------------------------------------------------------------------------
+function wrappedOrigCall(orgFunc, newFunc) {
+    return function() {
+        var args = [].slice.call(arguments);
+        try { orgFunc.apply(WinConsole, args); } catch (e) {}
+        try { newFunc.apply(console,    args); } catch (e) {}
+    };
+}
+
+//------------------------------------------------------------------------------
+// For every function that exists in the original console object, that
+// also exists in the new console object, wrap the new console method
+// with one that calls both
+//------------------------------------------------------------------------------
+for (var key in console) {
+    if (typeof WinConsole[key] == "function") {
+        console[key] = wrappedOrigCall(WinConsole[key], console[key]);
+    }
+}