# All files / src/utils logger.js

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36.36% Branches 4/11
28.57% Functions 2/7
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     import { getSelfScope } from './get-self-scope';

    function noop (...args) {}

    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;
    }

    const global = getSelfScope();

    function consolePrintFn (type) {
      const func = global.console[type];
      if (func) {
        return function (...args) {
          if (args[0]) {
            args[0] = formatMsg(type, args[0]);
          }

          func.apply(global.console, args);
        };
      }
      return noop;
    }

    function exportLoggerFunctions (debugConfig, ...functions) {
      functions.forEach(function (type) {
        exportedLogger[type] = debugConfig[type] ? debugConfig[type].bind(debugConfig) : consolePrintFn(type);
      });
    }

    export const enableLogs = function (debugConfig) {
      // check that console is available
      Iif ((global.console && 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 const logger = exportedLogger;