From 07cf908e6c3fee6c8b3121c9c8367bac54c0d145 Mon Sep 17 00:00:00 2001
From: Adrian Greeve <adrian@moodle.com>
Date: Tue, 17 Oct 2017 10:12:53 +0800
Subject: [PATCH] MDL-60285 lib: Update loglevel to 1.5.1

---
 lib/amd/build/loglevel.min.js |   2 +-
 lib/amd/src/loglevel.js       | 256 ++++++++++++++++++----------------
 2 files changed, 135 insertions(+), 123 deletions(-)

diff --git a/lib/amd/build/loglevel.min.js b/lib/amd/build/loglevel.min.js
index 55af9b472a5..654be89ae88 100644
--- a/lib/amd/build/loglevel.min.js
+++ b/lib/amd/build/loglevel.min.js
@@ -1 +1 @@
-!function(a,b){"use strict";"function"==typeof define&&define.amd?define(b):"object"==typeof module&&module.exports?module.exports=b():a.log=b()}(this,function(){"use strict";function a(a){return typeof console!==h&&(void 0!==console[a]?b(console,a):void 0!==console.log?b(console,"log"):g)}function b(a,b){var c=a[b];if("function"==typeof c.bind)return c.bind(a);try{return Function.prototype.bind.call(c,a)}catch(d){return function(){return Function.prototype.apply.apply(c,[a,arguments])}}}function c(a,b,c){return function(){typeof console!==h&&(d.call(this,b,c),this[a].apply(this,arguments))}}function d(a,b){for(var c=0;c<i.length;c++){var d=i[c];this[d]=c<a?g:this.methodFactory(d,a,b)}}function e(b,d,e){return a(b)||c.apply(this,arguments)}function f(a,b,c){function f(a){var b=(i[a]||"silent").toUpperCase();try{return void(window.localStorage[l]=b)}catch(c){}try{window.document.cookie=encodeURIComponent(l)+"="+b+";"}catch(c){}}function g(){var a;try{a=window.localStorage[l]}catch(b){}if(typeof a===h)try{var c=window.document.cookie,d=c.indexOf(encodeURIComponent(l)+"=");d&&(a=/^([^;]+)/.exec(c.slice(d))[1])}catch(b){}return void 0===k.levels[a]&&(a=void 0),a}var j,k=this,l="loglevel";a&&(l+=":"+a),k.levels={TRACE:0,DEBUG:1,INFO:2,WARN:3,ERROR:4,SILENT:5},k.methodFactory=c||e,k.getLevel=function(){return j},k.setLevel=function(b,c){if("string"==typeof b&&void 0!==k.levels[b.toUpperCase()]&&(b=k.levels[b.toUpperCase()]),!("number"==typeof b&&b>=0&&b<=k.levels.SILENT))throw"log.setLevel() called with invalid level: "+b;if(j=b,c!==!1&&f(b),d.call(k,b,a),typeof console===h&&b<k.levels.SILENT)return"No console available for logging"},k.setDefaultLevel=function(a){g()||k.setLevel(a,!1)},k.enableAll=function(a){k.setLevel(k.levels.TRACE,a)},k.disableAll=function(a){k.setLevel(k.levels.SILENT,a)};var m=g();null==m&&(m=null==b?"WARN":b),k.setLevel(m,!1)}var g=function(){},h="undefined",i=["trace","debug","info","warn","error"],j=new f,k={};j.getLogger=function(a){if("string"!=typeof a||""===a)throw new TypeError("You must supply a name when creating a logger.");var b=k[a];return b||(b=k[a]=new f(a,j.getLevel(),j.methodFactory)),b};var l=typeof window!==h?window.log:void 0;return j.noConflict=function(){return typeof window!==h&&window.log===j&&(window.log=l),j},j});
\ No newline at end of file
+!function(a,b){"use strict";"function"==typeof define&&define.amd?define(b):"object"==typeof module&&module.exports?module.exports=b():a.log=b()}(this,function(){"use strict";function a(a,b){var c=a[b];if("function"==typeof c.bind)return c.bind(a);try{return Function.prototype.bind.call(c,a)}catch(d){return function(){return Function.prototype.apply.apply(c,[a,arguments])}}}function b(b){return"debug"===b&&(b="log"),typeof console!==h&&(void 0!==console[b]?a(console,b):void 0!==console.log?a(console,"log"):g)}function c(a,b){for(var c=0;c<i.length;c++){var d=i[c];this[d]=c<a?g:this.methodFactory(d,a,b)}this.log=this.debug}function d(a,b,d){return function(){typeof console!==h&&(c.call(this,b,d),this[a].apply(this,arguments))}}function e(a,c,e){return b(a)||d.apply(this,arguments)}function f(a,b,d){function f(a){var b=(i[a]||"silent").toUpperCase();if(typeof window!==h){try{return void(window.localStorage[l]=b)}catch(c){}try{window.document.cookie=encodeURIComponent(l)+"="+b+";"}catch(c){}}}function g(){var a;if(typeof window!==h){try{a=window.localStorage[l]}catch(b){}if(typeof a===h)try{var c=window.document.cookie,d=c.indexOf(encodeURIComponent(l)+"=");d!==-1&&(a=/^([^;]+)/.exec(c.slice(d))[1])}catch(b){}return void 0===k.levels[a]&&(a=void 0),a}}var j,k=this,l="loglevel";a&&(l+=":"+a),k.levels={TRACE:0,DEBUG:1,INFO:2,WARN:3,ERROR:4,SILENT:5},k.methodFactory=d||e,k.getLevel=function(){return j},k.setLevel=function(b,d){if("string"==typeof b&&void 0!==k.levels[b.toUpperCase()]&&(b=k.levels[b.toUpperCase()]),!("number"==typeof b&&b>=0&&b<=k.levels.SILENT))throw"log.setLevel() called with invalid level: "+b;if(j=b,d!==!1&&f(b),c.call(k,b,a),typeof console===h&&b<k.levels.SILENT)return"No console available for logging"},k.setDefaultLevel=function(a){g()||k.setLevel(a,!1)},k.enableAll=function(a){k.setLevel(k.levels.TRACE,a)},k.disableAll=function(a){k.setLevel(k.levels.SILENT,a)};var m=g();null==m&&(m=null==b?"WARN":b),k.setLevel(m,!1)}var g=function(){},h="undefined",i=["trace","debug","info","warn","error"],j=new f,k={};j.getLogger=function(a){if("string"!=typeof a||""===a)throw new TypeError("You must supply a name when creating a logger.");var b=k[a];return b||(b=k[a]=new f(a,j.getLevel(),j.methodFactory)),b};var l=typeof window!==h?window.log:void 0;return j.noConflict=function(){return typeof window!==h&&window.log===j&&(window.log=l),j},j});
\ No newline at end of file
diff --git a/lib/amd/src/loglevel.js b/lib/amd/src/loglevel.js
index 07e932e996d..7e028d0033f 100644
--- a/lib/amd/src/loglevel.js
+++ b/lib/amd/src/loglevel.js
@@ -33,6 +33,7 @@
  * Copyright (c) 2013 Tim Perry
  * Licensed under the MIT license.
  */
+/*! loglevel - v1.5.1 - https://github.com/pimterry/loglevel - (c) 2017 Tim Perry - licensed MIT */
 (function (root, definition) {
     "use strict";
     if (typeof define === 'function' && define.amd) {
@@ -49,19 +50,13 @@
     var noop = function() {};
     var undefinedType = "undefined";
 
-    // Build the best logging method possible for this env
-    // Wherever possible we want to bind, not wrap, to preserve stack traces
-    function realMethod(methodName) {
-        if (typeof console === undefinedType) {
-            return false; // No method possible, for now - fixed later by enableLoggingWhenConsoleArrives
-        } else if (console[methodName] !== undefined) {
-            return bindMethod(console, methodName);
-        } else if (console.log !== undefined) {
-            return bindMethod(console, 'log');
-        } else {
-            return noop;
-        }
-    }
+    var logMethods = [
+        "trace",
+        "debug",
+        "info",
+        "warn",
+        "error"
+    ];
 
     // Cross-browser bind equivalent that works at least back to IE6
     function bindMethod(obj, methodName) {
@@ -80,8 +75,39 @@
         }
     }
 
+    // Build the best logging method possible for this env
+    // Wherever possible we want to bind, not wrap, to preserve stack traces
+    function realMethod(methodName) {
+        if (methodName === 'debug') {
+            methodName = 'log';
+        }
+
+        if (typeof console === undefinedType) {
+            return false; // No method possible, for now - fixed later by enableLoggingWhenConsoleArrives
+        } else if (console[methodName] !== undefined) {
+            return bindMethod(console, methodName);
+        } else if (console.log !== undefined) {
+            return bindMethod(console, 'log');
+        } else {
+            return noop;
+        }
+    }
+
     // These private functions always need `this` to be set properly
 
+    function replaceLoggingMethods(level, loggerName) {
+        /*jshint validthis:true */
+        for (var i = 0; i < logMethods.length; i++) {
+            var methodName = logMethods[i];
+            this[methodName] = (i < level) ?
+                noop :
+                this.methodFactory(methodName, level, loggerName);
+        }
+
+        // Define log.log as an alias for log.debug
+        this.log = this.debug;
+    }
+
     // In old IE versions, the console isn't present until you first open it.
     // We build realMethod() replacements here that regenerate logging methods
     function enableLoggingWhenConsoleArrives(methodName, level, loggerName) {
@@ -93,136 +119,122 @@
         };
     }
 
-    function replaceLoggingMethods(level, loggerName) {
-        /*jshint validthis:true */
-        for (var i = 0; i < logMethods.length; i++) {
-            var methodName = logMethods[i];
-            this[methodName] = (i < level) ?
-                noop :
-                this.methodFactory(methodName, level, loggerName);
-        }
-    }
-
     // By default, we use closely bound real methods wherever possible, and
     // otherwise we wait for a console to appear, and then try again.
     function defaultMethodFactory(methodName, level, loggerName) {
         /*jshint validthis:true */
         return realMethod(methodName) ||
-            enableLoggingWhenConsoleArrives.apply(this, arguments);
+               enableLoggingWhenConsoleArrives.apply(this, arguments);
     }
 
-    var logMethods = [
-        "trace",
-        "debug",
-        "info",
-        "warn",
-        "error"
-    ];
-
     function Logger(name, defaultLevel, factory) {
-        var self = this;
-        var currentLevel;
-        var storageKey = "loglevel";
-        if (name) {
-            storageKey += ":" + name;
-        }
+      var self = this;
+      var currentLevel;
+      var storageKey = "loglevel";
+      if (name) {
+        storageKey += ":" + name;
+      }
 
-        function persistLevelIfPossible(levelNum) {
-            var levelName = (logMethods[levelNum] || 'silent').toUpperCase();
+      function persistLevelIfPossible(levelNum) {
+          var levelName = (logMethods[levelNum] || 'silent').toUpperCase();
 
-            // Use localStorage if available
-            try {
-                window.localStorage[storageKey] = levelName;
-                return;
-            } catch (ignore) {}
+          if (typeof window === undefinedType) return;
 
-            // Use session cookie as fallback
-            try {
-                window.document.cookie =
-                    encodeURIComponent(storageKey) + "=" + levelName + ";";
-            } catch (ignore) {}
-        }
+          // Use localStorage if available
+          try {
+              window.localStorage[storageKey] = levelName;
+              return;
+          } catch (ignore) {}
 
-        function getPersistedLevel() {
-            var storedLevel;
+          // Use session cookie as fallback
+          try {
+              window.document.cookie =
+                encodeURIComponent(storageKey) + "=" + levelName + ";";
+          } catch (ignore) {}
+      }
 
-            try {
-                storedLevel = window.localStorage[storageKey];
-            } catch (ignore) {}
+      function getPersistedLevel() {
+          var storedLevel;
 
-            // Fallback to cookies if local storage gives us nothing
-            if (typeof storedLevel === undefinedType) {
-                try {
-                    var cookie = window.document.cookie;
-                    var location = cookie.indexOf(
-                        encodeURIComponent(storageKey) + "=");
-                    if (location) {
-                        storedLevel = /^([^;]+)/.exec(cookie.slice(location))[1];
-                    }
-                } catch (ignore) {}
-            }
+          if (typeof window === undefinedType) return;
 
-            // If the stored level is not valid, treat it as if nothing was stored.
-            if (self.levels[storedLevel] === undefined) {
-                storedLevel = undefined;
-            }
+          try {
+              storedLevel = window.localStorage[storageKey];
+          } catch (ignore) {}
 
-            return storedLevel;
-        }
+          // Fallback to cookies if local storage gives us nothing
+          if (typeof storedLevel === undefinedType) {
+              try {
+                  var cookie = window.document.cookie;
+                  var location = cookie.indexOf(
+                      encodeURIComponent(storageKey) + "=");
+                  if (location !== -1) {
+                      storedLevel = /^([^;]+)/.exec(cookie.slice(location))[1];
+                  }
+              } catch (ignore) {}
+          }
 
-        /*
-         *
-         * Public logger API - see https://github.com/pimterry/loglevel for details
-         *
-         */
+          // If the stored level is not valid, treat it as if nothing was stored.
+          if (self.levels[storedLevel] === undefined) {
+              storedLevel = undefined;
+          }
 
-        self.levels = { "TRACE": 0, "DEBUG": 1, "INFO": 2, "WARN": 3,
-            "ERROR": 4, "SILENT": 5};
+          return storedLevel;
+      }
 
-        self.methodFactory = factory || defaultMethodFactory;
+      /*
+       *
+       * Public logger API - see https://github.com/pimterry/loglevel for details
+       *
+       */
 
-        self.getLevel = function () {
-            return currentLevel;
-        };
+      self.levels = { "TRACE": 0, "DEBUG": 1, "INFO": 2, "WARN": 3,
+          "ERROR": 4, "SILENT": 5};
 
-        self.setLevel = function (level, persist) {
-            if (typeof level === "string" && self.levels[level.toUpperCase()] !== undefined) {
-                level = self.levels[level.toUpperCase()];
-            }
-            if (typeof level === "number" && level >= 0 && level <= self.levels.SILENT) {
-                currentLevel = level;
-                if (persist !== false) {  // defaults to true
-                    persistLevelIfPossible(level);
-                }
-                replaceLoggingMethods.call(self, level, name);
-                if (typeof console === undefinedType && level < self.levels.SILENT) {
-                    return "No console available for logging";
-                }
-            } else {
-                throw "log.setLevel() called with invalid level: " + level;
-            }
-        };
+      self.methodFactory = factory || defaultMethodFactory;
 
-        self.setDefaultLevel = function (level) {
-            if (!getPersistedLevel()) {
-                self.setLevel(level, false);
-            }
-        };
+      self.getLevel = function () {
+          return currentLevel;
+      };
 
-        self.enableAll = function(persist) {
-            self.setLevel(self.levels.TRACE, persist);
-        };
+      self.setLevel = function (level, persist) {
+          if (typeof level === "string" && self.levels[level.toUpperCase()] !== undefined) {
+              level = self.levels[level.toUpperCase()];
+          }
+          if (typeof level === "number" && level >= 0 && level <= self.levels.SILENT) {
+              currentLevel = level;
+              if (persist !== false) {  // defaults to true
+                  persistLevelIfPossible(level);
+              }
+              replaceLoggingMethods.call(self, level, name);
+              if (typeof console === undefinedType && level < self.levels.SILENT) {
+                  return "No console available for logging";
+              }
+          } else {
+              throw "log.setLevel() called with invalid level: " + level;
+          }
+      };
 
-        self.disableAll = function(persist) {
-            self.setLevel(self.levels.SILENT, persist);
-        };
+      self.setDefaultLevel = function (level) {
+          if (!getPersistedLevel()) {
+              self.setLevel(level, false);
+          }
+      };
 
-        // Initialize with the right level
-        var initialLevel = getPersistedLevel();
-        if (initialLevel == null) {
-            initialLevel = defaultLevel == null ? "WARN" : defaultLevel;
-        }
-        self.setLevel(initialLevel, false);
+      self.enableAll = function(persist) {
+          self.setLevel(self.levels.TRACE, persist);
+      };
+
+      self.disableAll = function(persist) {
+          self.setLevel(self.levels.SILENT, persist);
+      };
+
+      // Initialize with the right level
+      var initialLevel = getPersistedLevel();
+      if (initialLevel == null) {
+          initialLevel = defaultLevel == null ? "WARN" : defaultLevel;
+      }
+      self.setLevel(initialLevel, false);
     }
 
     /*
@@ -236,13 +248,13 @@
     var _loggersByName = {};
     defaultLogger.getLogger = function getLogger(name) {
         if (typeof name !== "string" || name === "") {
-            throw new TypeError("You must supply a name when creating a logger.");
+          throw new TypeError("You must supply a name when creating a logger.");
         }
 
         var logger = _loggersByName[name];
         if (!logger) {
-            logger = _loggersByName[name] = new Logger(
-                name, defaultLogger.getLevel(), defaultLogger.methodFactory);
+          logger = _loggersByName[name] = new Logger(
+            name, defaultLogger.getLevel(), defaultLogger.methodFactory);
         }
         return logger;
     };
@@ -251,7 +263,7 @@
     var _log = (typeof window !== undefinedType) ? window.log : undefined;
     defaultLogger.noConflict = function() {
         if (typeof window !== undefinedType &&
-            window.log === defaultLogger) {
+               window.log === defaultLogger) {
             window.log = _log;
         }