69 lines
1.8 KiB
JavaScript
69 lines
1.8 KiB
JavaScript
/* eslint-disable no-undef */
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/* eslint-disable no-console */
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/* eslint-disable no-unused-vars */
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let ipc = null
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let logMessages = new Set()
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let logHandlers = {
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log: console.log,
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warn: console.warn,
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error: console.error
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}
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try {
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ipc = require('electron').ipcRenderer
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logHandlers.log = message => ipc.send('log', message)
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logHandlers.warn = message => ipc.send('warn', message)
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logHandlers.error = message => ipc.send('error', message)
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} catch (e) {
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console.log('Cannot use electron logging.')
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}
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/** Basic class for app specific logging requirements.
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* Can be used to implement persistent logging in electron apps.
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* Uses a logMessage cache to prevent error overflows. This is
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* needed since errors may occur very frequently
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* (e.g. display update loops at 60fps, programmatic loops, ...).
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*
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* The logging handlers can be overwritten by calling the static
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* setup method.
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*/
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export default class Logging {
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/** Static log function.
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* @param {*} message
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*/
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static log(message) {
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logHandlers.log(message)
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}
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/**
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* Static warn function.
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* Emits each warning only once per session.
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* @param {*} message
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*/
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static warn(message) {
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if (!logMessages.has(message)) {
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logMessages.add(message)
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logHandlers.warn(message)
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}
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}
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/**
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* Static error function.
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* Emits each error message only once per session.
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* @param {*} message
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*/
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static error(message) {
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if (!logMessages.has(message)) {
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logMessages.add(message)
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logHandlers.error(message)
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}
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}
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static setup({log=console.log, warn=console.warn, error=console.error} = {}) {
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logHandlers.log = log
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logHandlers.warn = warn
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logHandlers.error = error
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}
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}
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