| 1 | /* |
| 2 | * noVNC: HTML5 VNC client |
| 3 | * Copyright (C) 2019 The noVNC Authors |
| 4 | * Licensed under MPL 2.0 (see LICENSE.txt) |
| 5 | * |
| 6 | * See README.md for usage and integration instructions. |
| 7 | */ |
| 8 | |
| 9 | /* |
| 10 | * Logging/debug routines |
| 11 | */ |
| 12 | |
| 13 | let _logLevel = 'warn'; |
| 14 | |
| 15 | let Debug = () => {}; |
| 16 | let Info = () => {}; |
| 17 | let Warn = () => {}; |
| 18 | let Error = () => {}; |
| 19 | |
| 20 | export function initLogging(level) { |
| 21 | if (typeof level === 'undefined') { |
| 22 | level = _logLevel; |
| 23 | } else { |
| 24 | _logLevel = level; |
| 25 | } |
| 26 | |
| 27 | Debug = Info = Warn = Error = () => {}; |
| 28 | |
| 29 | if (typeof window.console !== "undefined") { |
| 30 | /* eslint-disable no-console, no-fallthrough */ |
| 31 | switch (level) { |
| 32 | case 'debug': |
| 33 | Debug = console.debug.bind(window.console); |
| 34 | case 'info': |
| 35 | Info = console.info.bind(window.console); |
| 36 | case 'warn': |
| 37 | Warn = console.warn.bind(window.console); |
| 38 | case 'error': |
| 39 | Error = console.error.bind(window.console); |
| 40 | case 'none': |
| 41 | break; |
| 42 | default: |
| 43 | throw new window.Error("invalid logging type '" + level + "'"); |
| 44 | } |
| 45 | /* eslint-enable no-console, no-fallthrough */ |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | export function getLogging() { |
| 50 | return _logLevel; |
| 51 | } |
| 52 | |
| 53 | export { Debug, Info, Warn, Error }; |
| 54 | |
| 55 | // Initialize logging level |
| 56 | initLogging(); |