85 lines
2.1 KiB
TypeScript
85 lines
2.1 KiB
TypeScript
'use strict'
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import { createLogger, transports, format } from 'winston';
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import { join } from 'path';
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import { mkdir, exists } from 'fs-extra';
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import { homedir } from 'os';
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const logTime = 'MM/DD/YY-HH:mm:ss'
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let transport : any
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/**
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* Determine the location of the log file based on the operating system
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* and return as an absolute string from os.homedir()
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*
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* @returns {string} Path to log file
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**/
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async function logFile () {
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const homeDir : string = homedir();
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const linuxDir : string = `/.config/mcopy/`;
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const macDir : string = `/Library/Logs/mcopy/`;
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const winDir : string = `/AppData/Roaming/mcopy/`;
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let logPath : string = join(homeDir, linuxDir);
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let dirExists : boolean;
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if (process.platform === 'darwin') {
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logPath = join(homeDir, macDir);
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} else if (process.platform === 'win32') {
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logPath = join(homeDir, winDir);
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}
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dirExists = await exists(logPath);
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if (!dirExists) {
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try {
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await mkdir(logPath);
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} catch (err) {
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console.error(`Error creating directory for mcopy log file, ${logPath}`);
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}
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}
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return join(logPath, 'mcopy.log');
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}
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/**
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* Create and return the logger transport based on settings determined in
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* arguments object
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*
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* @param {object} arg Arguments from process
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*
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* @returns {object} Logger transport
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**/
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module.exports = async function (arg : any) {
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let consoleFormat : any = {
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colorize : true
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}
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let fileFormat : any = {
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filename : await logFile(),
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json : true
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}
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if (arg && arg.quiet) {
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transport = {
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info : function () { return false },
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warn : function () { return false },
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error : function () { return false }
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}
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} else {
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if (arg && arg.label) {
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consoleFormat.label = arg.label;
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fileFormat.label = arg.label;
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}
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transport = createLogger({
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format : format.combine(
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format.label({ label : arg.label || 'mcopy' }),
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format.timestamp({
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format: 'YYYY-MM-DD HH:mm:ss'
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}),
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format.printf((info : any ) => `${info.timestamp} [${info.label}] ${info.level}: ${info.message}`+(info.splat!==undefined?`${info.splat}`:" "))
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),
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transports: [
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new (transports.Console)(consoleFormat),
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new (transports.File)(fileFormat)
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]
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})
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}
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return transport
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} |