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dashboard-ui/bower_components/hls.js/src/utils/logger.js

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+'use strict';
+
+function noop() {}
+
+const fakeLogger = {
+  trace: noop,
+  debug: noop,
+  log: noop,
+  warn: noop,
+  info: noop,
+  error: noop
+};
+
+let exportedLogger = fakeLogger;
+
+//let lastCallTime;
+// function formatMsgWithTimeInfo(type, msg) {
+//   const now = Date.now();
+//   const diff = lastCallTime ? '+' + (now - lastCallTime) : '0';
+//   lastCallTime = now;
+//   msg = (new Date(now)).toISOString() + ' | [' +  type + '] > ' + msg + ' ( ' + diff + ' ms )';
+//   return msg;
+// }
+
+function formatMsg(type, msg) {
+  msg = '[' +  type + '] > ' + msg;
+  return msg;
+}
+
+function consolePrintFn(type) {
+  const func = window.console[type];
+  if (func) {
+    return function(...args) {
+      if(args[0]) {
+        args[0] = formatMsg(type, args[0]);
+      }
+      func.apply(window.console, args);
+    };
+  }
+  return noop;
+}
+
+function exportLoggerFunctions(debugConfig, ...functions) {
+  functions.forEach(function(type) {
+    exportedLogger[type] = debugConfig[type] ? debugConfig[type].bind(debugConfig) : consolePrintFn(type);
+  });
+}
+
+export var enableLogs = function(debugConfig) {
+  if (debugConfig === true || typeof debugConfig === 'object') {
+    exportLoggerFunctions(debugConfig,
+      // Remove out from list here to hard-disable a log-level
+      //'trace',
+      'debug',
+      'log',
+      'info',
+      'warn',
+      'error'
+    );
+    // Some browsers don't allow to use bind on console object anyway
+    // fallback to default if needed
+    try {
+     exportedLogger.log();
+    } catch (e) {
+      exportedLogger = fakeLogger;
+    }
+  }
+  else {
+    exportedLogger = fakeLogger;
+  }
+};
+
+export var logger = exportedLogger;