95 lines
2.5 KiB
JavaScript
95 lines
2.5 KiB
JavaScript
'use strict';
|
|
// ==================================================================================
|
|
// utils.js
|
|
// ----------------------------------------------------------------------------------
|
|
// Description: System Information - library
|
|
// for Node.js
|
|
// Copyright: (c) 2014 - 2017
|
|
// Author: Sebastian Hildebrandt
|
|
// ----------------------------------------------------------------------------------
|
|
// License: MIT
|
|
// ==================================================================================
|
|
// 0. helper functions
|
|
// ----------------------------------------------------------------------------------
|
|
|
|
const os = require('os');
|
|
let _cores = 0;
|
|
|
|
function isFunction(functionToCheck) {
|
|
let getType = {};
|
|
return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]';
|
|
}
|
|
|
|
function unique(obj){
|
|
let uniques=[];
|
|
let stringify={};
|
|
for(let i=0;i<obj.length;i++){
|
|
let keys=Object.keys(obj[i]);
|
|
keys.sort(function(a,b) { return a-b; });
|
|
let str='';
|
|
for(let j=0;j<keys.length;j++){
|
|
str+= JSON.stringify(keys[j]);
|
|
str+= JSON.stringify(obj[i][keys[j]]);
|
|
}
|
|
if(!stringify.hasOwnProperty(str)){
|
|
uniques.push(obj[i]);
|
|
stringify[str]=true;
|
|
}
|
|
}
|
|
return uniques;
|
|
}
|
|
|
|
function sortByKey(array, keys) {
|
|
return array.sort(function(a, b) {
|
|
let x ='';
|
|
let y ='';
|
|
keys.forEach(function (key) {
|
|
x = x + a[key]; y = y + b[key];
|
|
});
|
|
return ((x < y) ? -1 : ((x > y) ? 1 : 0));
|
|
});
|
|
}
|
|
|
|
function cores() {
|
|
if (_cores === 0) {
|
|
_cores = os.cpus().length;
|
|
}
|
|
return _cores;
|
|
}
|
|
|
|
function getValue(lines, property, separator, trimmed) {
|
|
separator = separator || ':';
|
|
property = property.toLowerCase();
|
|
trimmed = trimmed || false;
|
|
for (let i = 0; i < lines.length; i++) {
|
|
let line = lines[i].toLowerCase();
|
|
if (trimmed) {
|
|
line = line.trim();
|
|
}
|
|
if (line.toLowerCase().startsWith(property)) {
|
|
const parts = lines[i].split(separator);
|
|
if (parts.length >= 2) {
|
|
parts.shift();
|
|
return parts.join(':').trim();
|
|
} else {
|
|
return '';
|
|
}
|
|
}
|
|
}
|
|
return '';
|
|
}
|
|
|
|
function decodeEscapeSequence(str, base) {
|
|
base = base || 16;
|
|
return str.replace(/\\x([0-9A-Fa-f]{2})/g, function() {
|
|
return String.fromCharCode(parseInt(arguments[1], base));
|
|
});
|
|
}
|
|
|
|
exports.isFunction = isFunction;
|
|
exports.unique = unique;
|
|
exports.sortByKey= sortByKey;
|
|
exports.cores = cores;
|
|
exports.getValue = getValue;
|
|
exports.decodeEscapeSequence = decodeEscapeSequence;
|