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| /* Copyright CloudLinux Zug GmbH 2010-2017 All Rights Reserved
*
* Licensed under CLOUD LINUX LICENSE AGREEMENT
* http://cloudlinux.com/docs/LICENSE.TXT
*/
import { plainToClass } from 'class-transformer';
export class Helper {
private static formatUnit = {
'byteinsec': {
'next': 'kbinsec',
'icon': 'B/s',
'coefficient': 1024,
'precision': 2,
},
'kbinsec': {
'next': 'mbinsec',
'icon': 'KB/s',
'coefficient': 1024,
'precision': 2,
},
'mbinsec': {
'next': 'gbinsec',
'icon': 'MB/s',
'coefficient': 1024,
'precision': 2,
},
'gbinsec': {
'next': null,
'icon': 'G/s',
'coefficient': 1,
'precision': 2,
},
'bytes': {
'next': 'kilobytes',
'icon': 'B',
'coefficient': 1024,
'precision': 2,
},
'kilobytes': {
'next': 'megabytes',
'icon': 'K',
'coefficient': 1024,
'precision': 2,
},
'megabytes': {
'next': 'gigabytes',
'icon': 'M',
'coefficient': 1024,
'precision': 2,
},
'gigabytes': {
'next': null,
'icon': 'G',
'coefficient': 1,
'precision': 2,
},
'percents': {
'next': null,
'icon': '%',
'coefficient': 1,
'precision': 0,
}
};
public static timeout: Function = ms => new Promise(res => setTimeout(res, ms));
public static isEmpty(obj){
return (Object.getOwnPropertyNames(obj).length === 0);
}
// According to MDN web docs
public static unicodeBase64ToString(base64String: string): string {
return decodeURIComponent(Array.prototype.map.call(atob(base64String), c => {
return '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2);
}).join(''));
}
/**
* Checks for existing of property in object by full path to property.
*
* @param object
* @param property string Full property path separated by underscore.
* @returns {boolean}
*/
public static hasOwnPropetyRecursively(object, property) {
let parts = property.split('_');
let curObject = object;
for (let part of parts) {
if (curObject.hasOwnProperty(part)) {
curObject = curObject[part];
} else {
return false;
}
}
return true;
}
/**
* Gets value of property in object by full path to property
* if it exists.
*
* @param object
* @param property Full property path separated by underscore.
* @returns {any}
*/
public static getValueFromObjectRecursively(object, property) {
if (Helper.hasOwnPropetyRecursively(object, property)) {
let parts = property.split('_');
let curObject = object;
let lastValue: any;
for (let part of parts) {
curObject = curObject[part];
if (typeof curObject != 'object') {
return curObject;
}
}
} else {
return null;
}
}
/**
* Checks equality of two arrays.
*
* @param array1
* @param array2
* @returns {boolean}
*/
public static isArraysEqual(array1: any[], array2: any[]):boolean {
if (array1.length !== array2.length) {
return false;
}
for (let el of array1) {
if (array2.indexOf(el) === -1) {
return false;
}
}
return true;
}
/**
* Reformat value
* @param rawValue
* @param format
*/
public static reformatValue(rawValue, format){
if (!/^-?[\d.]+$/.test(rawValue) || typeof rawValue === 'undefined') {
return { value: rawValue, rawValue: rawValue };
}
rawValue = Number(rawValue);
let value = rawValue;
if (value && typeof format !== 'undefined' && Helper.formatUnit.hasOwnProperty(format)){
while (true) {
let newValue = value / Helper.formatUnit[format]['coefficient'];
if (Helper.formatUnit[format]['next'] === null || newValue < 1) {
break;
}
format = Helper.formatUnit[format]['next'];
value = newValue;
}
value = parseFloat(value.toFixed(Helper.formatUnit[format]['precision'])) + (
(parseFloat(value.toFixed(Helper.formatUnit[format]['precision'])) !== 0)
? Helper.formatUnit[format]['icon'] : ''
);
}
return {
value,
rawValue
};
}
public static reformatToDirtyValue(value){
var multiplier = 1;
if(/K$/i.test(value) || /KB\/s$/i.test(value))
multiplier = 1024;
else if(/M$/i.test(value) || /MB\/s$/i.test(value))
multiplier = 1048576;
else if(/G$/i.test(value) || /G\/s$/i.test(value))
multiplier = 1073741824;
return parseFloat(String(value).replace(/[^\d.-]/g,'')) * multiplier;
}
public static isObject(o) {
return 'object' === typeof o;
}
public static recursivelyAssign2(target, source){
for (let field in target){
if (Helper.isObject(target[field]) && Helper.isObject(source[field])){
Helper.recursivelyAssign2(target[field], source[field]);
}
}
for (let field in source){
if (!Helper.isObject(target[field])){
target[field] = source[field];
}
}
}
public static removeBranchFromObject(object, branch) {
for (let key in branch) {
if (!object.hasOwnProperty(key)) {
continue;
}
if (typeof branch[key] === 'object') {
Helper.removeBranchFromObject(object[key], branch[key]);
} else {
delete object[key];
}
}
}
public static isNumber(n: any) {
return !isNaN(parseFloat(n)) && isFinite(n);
}
/**
* Convert dictionary to Class.
* @param object
* @param className
*/
public static convertDictToClass(object, className) {
Object.keys(object).forEach((item) => {
object[item] = plainToClass(className, object[item]);
});
}
public static comparePlainObjects(a: Object, b: Object): boolean {
let aProps = Object.getOwnPropertyNames(a);
let bProps = Object.getOwnPropertyNames(b);
if (aProps.length !== bProps.length) {
return false;
}
for (let i = 0; i < aProps.length; i++) {
let propName = aProps[i];
if (a[propName] !== b[propName]) {
return false;
}
}
return true;
}
public static convertStringToHexRepresentation(string: string) {
if (typeof string !== 'string') return string;
return string.split('')
.map(letter => {
return '\\u' + letter.charCodeAt(0).toString(16)
.toUpperCase().padStart(4, '0');
})
.join('');
}
}
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