mcopy/app/lib/log/index.js

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'use strict';
Object.defineProperty(exports, "__esModule", { value: true });
const winston_1 = require("winston");
const path_1 = require("path");
const fs_extra_1 = require("fs-extra");
const os_1 = require("os");
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const logTime = 'MM/DD/YY-HH:mm:ss';
let transport;
/**
* Determine the location of the log file based on the operating system
* and return as an absolute string from os.homedir()
*
* @returns {string} Path to log file
**/
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async function logFile() {
const homeDir = os_1.homedir();
const linuxDir = `/.mcopy/`;
const macDir = `/Library/Logs/mcopy/`;
const winDir = `/AppData/Roaming/mcopy/`;
let logPath = path_1.normalize(path_1.join(homeDir, linuxDir));
let dirExists;
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if (process.platform === 'darwin') {
logPath = path_1.normalize(path_1.join(homeDir, macDir));
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}
else if (process.platform === 'win32') {
logPath = path_1.normalize(path_1.join(homeDir, winDir));
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}
try {
dirExists = await fs_extra_1.exists(logPath);
}
catch (err) {
console.error(err);
}
if (!dirExists) {
try {
await fs_extra_1.mkdir(logPath);
}
catch (err) {
console.error(`Error creating directory for mcopy log file, ${logPath}`);
console.error(err);
}
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}
return path_1.join(logPath, 'mcopy.log');
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}
/**
* Create and return the logger transport based on settings determined in
* arguments object
*
* @param {object} arg Arguments from process
*
* @returns {object} Logger transport
**/
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module.exports = async function (arg) {
let consoleFormat = {
colorize: true
};
let fileFormat = {
filename: await logFile(),
json: true
};
if (arg && arg.quiet) {
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transport = {
info: function () { return false; },
warn: function () { return false; },
error: function () { return false; }
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};
}
else {
if (arg && arg.label) {
consoleFormat.label = arg.label;
fileFormat.label = arg.label;
}
transport = winston_1.createLogger({
format: winston_1.format.combine(winston_1.format.label({ label: arg.label || 'mcopy' }), winston_1.format.timestamp({
format: 'YYYY-MM-DD HH:mm:ss'
}), winston_1.format.printf((info) => `${info.timestamp} [${info.label}] ${info.level}: ${info.message}` + (info.splat !== undefined ? `${info.splat}` : " "))),
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transports: [
new (winston_1.transports.Console)(consoleFormat),
new (winston_1.transports.File)(fileFormat)
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]
});
}
return transport;
};
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