@pepperi/ngx-lib
Version:
Pepperi Angular Components and Services
105 lines • 12.4 kB
JavaScript
export class Guid {
static pad4(num) {
let ret = num.toString(16);
while (ret.length < 4) {
ret = '0' + ret;
}
return ret;
}
static random4() {
return Math.floor((1 + Math.random()) * 0x10000)
.toString(16)
.substring(1);
}
static newGuid() {
// This is not build for -prod
// return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
// const r = Math.random() * 16 | 0;
// const v = c === 'x' ? r : (r & 0x3 | 0x8);
// return v.toString(16);
// });
// If we have a cryptographically secure PRNG, use that
if (typeof (window) !== 'undefined' &&
typeof (window.crypto) !== 'undefined' &&
typeof (window.crypto.getRandomValues) !== 'undefined') {
const buf = new Uint16Array(8);
window.crypto.getRandomValues(buf);
return (this.pad4(buf[0]) + this.pad4(buf[1]) + '-' + this.pad4(buf[2]) + '-' + this.pad4(buf[3]) + '-' +
this.pad4(buf[4]) + '-' + this.pad4(buf[5]) + this.pad4(buf[6]) + this.pad4(buf[7]));
}
else { // Otherwise, just use Math.random
return this.random4() + this.random4() + '-' + this.random4() + '-' + this.random4() + '-' +
this.random4() + '-' + this.random4() + this.random4() + this.random4();
}
}
}
// export interface IKeyedCollection<T> {
// Add(key: string, value: T);
// ContainsKey(key: string): boolean;
// Count(): number;
// Item(key: string): T;
// Keys(): string[];
// Remove(key: string): T;
// RemoveAll();
// Values(): T[];
// }
// export class KeyedCollection<T> implements IKeyedCollection<T> {
// private items: { [index: string]: T } = {};
// private count: number = 0;
// initFromObj(collection: KeyedCollection<T>) {
// this.items = {};
// this.count = 0;
// const keys = [];
// for (const prop in collection.items) {
// if (collection.items.hasOwnProperty(prop)) {
// this.Add(prop, collection.items[prop]);
// }
// }
// }
// public ContainsKey(key: string): boolean {
// return this.items.hasOwnProperty(key);
// }
// public Count(): number {
// return this.count;
// }
// public Add(key: string, value: T) {
// if (!this.ContainsKey(key)) {
// this.count++;
// }
// this.items[key] = value;
// }
// public Remove(key: string): T {
// var val = this.items[key];
// if (this.ContainsKey(key)) {
// delete this.items[key];
// this.count--;
// }
// return val;
// }
// public RemoveAll() {
// this.items = {};
// this.count = 0;
// }
// public Item(key: string): T {
// return this.items[key];
// }
// public Keys(): string[] {
// var keySet: string[] = [];
// for (var prop in this.items) {
// if (this.items.hasOwnProperty(prop)) {
// keySet.push(prop);
// }
// }
// return keySet;
// }
// public Values(): T[] {
// var values: T[] = [];
// for (var prop in this.items) {
// if (this.items.hasOwnProperty(prop)) {
// values.push(this.items[prop]);
// }
// }
// return values;
// }
// }
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r : (r & 0x3 | 0x8);\r\n        //     return v.toString(16);\r\n        // });\r\n\r\n        // If we have a cryptographically secure PRNG, use that\r\n        if (typeof (window) !== 'undefined' &&\r\n            typeof (window.crypto) !== 'undefined' &&\r\n            typeof (window.crypto.getRandomValues) !== 'undefined'\r\n        ) {\r\n            const buf: Uint16Array = new Uint16Array(8);\r\n            window.crypto.getRandomValues(buf);\r\n            return (this.pad4(buf[0]) + this.pad4(buf[1]) + '-' + this.pad4(buf[2]) + '-' + this.pad4(buf[3]) + '-' +\r\n                this.pad4(buf[4]) + '-' + this.pad4(buf[5]) + this.pad4(buf[6]) + this.pad4(buf[7]));\r\n        } else { // Otherwise, just use Math.random\r\n            return this.random4() + this.random4() + '-' + this.random4() + '-' + this.random4() + '-' +\r\n                this.random4() + '-' + this.random4() + this.random4() + this.random4();\r\n        }\r\n    }\r\n}\r\n\r\n\r\n// export interface IKeyedCollection<T> {\r\n//     Add(key: string, value: T);\r\n//     ContainsKey(key: string): boolean;\r\n//     Count(): number;\r\n//     Item(key: string): T;\r\n//     Keys(): string[];\r\n//     Remove(key: string): T;\r\n//     RemoveAll();\r\n//     Values(): T[];\r\n// }\r\n\r\n// export class KeyedCollection<T> implements IKeyedCollection<T> {\r\n//     private items: { [index: string]: T } = {};\r\n//     private count: number = 0;\r\n\r\n//     initFromObj(collection: KeyedCollection<T>) {\r\n//         this.items = {};\r\n//         this.count = 0;\r\n//         const keys = [];\r\n\r\n//         for (const prop in collection.items) {\r\n//             if (collection.items.hasOwnProperty(prop)) {\r\n//                 this.Add(prop, collection.items[prop]);\r\n//             }\r\n//         }\r\n//     }\r\n\r\n//     public ContainsKey(key: string): boolean {\r\n//         return this.items.hasOwnProperty(key);\r\n//     }\r\n\r\n//     public Count(): number {\r\n//         return this.count;\r\n//     }\r\n\r\n//     public Add(key: string, value: T) {\r\n//         if (!this.ContainsKey(key)) {\r\n//             this.count++;\r\n//         }\r\n\r\n//         this.items[key] = value;\r\n//     }\r\n\r\n//     public Remove(key: string): T {\r\n//         var val = this.items[key];\r\n\r\n//         if (this.ContainsKey(key)) {\r\n//             delete this.items[key];\r\n//             this.count--;\r\n//         }\r\n\r\n//         return val;\r\n//     }\r\n\r\n//     public RemoveAll() {\r\n//         this.items = {};\r\n//         this.count = 0;\r\n//     }\r\n\r\n//     public Item(key: string): T {\r\n//         return this.items[key];\r\n//     }\r\n\r\n//     public Keys(): string[] {\r\n//         var keySet: string[] = [];\r\n\r\n//         for (var prop in this.items) {\r\n//             if (this.items.hasOwnProperty(prop)) {\r\n//                 keySet.push(prop);\r\n//             }\r\n//         }\r\n\r\n//         return keySet;\r\n//     }\r\n\r\n//     public Values(): T[] {\r\n//         var values: T[] = [];\r\n\r\n//         for (var prop in this.items) {\r\n//             if (this.items.hasOwnProperty(prop)) {\r\n//                 values.push(this.items[prop]);\r\n//             }\r\n//         }\r\n\r\n//         return values;\r\n//     }\r\n// }\r\n"]}