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feat: envelope factory

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This commit is contained in:
Mohamed Marrouchi
2025-03-23 21:31:18 +01:00
parent e0a77302cc
commit 10b39529b9
10 changed files with 979 additions and 298 deletions
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30
api/src/utils/helpers/safeRandom.spec.ts Normal file
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@@ -0,0 +1,30 @@
/*
* Copyright © 2025 Hexastack. All rights reserved.
*
* Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
* 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
* 2. All derivative works must include clear attribution to the original creator and software, Hexastack and Hexabot, in a prominent location (e.g., in the software's "About" section, documentation, and README file).
*/
import { getRandomElement } from './safeRandom';
describe('safeRandom', () => {
describe('getRandomElement', () => {
it('should get a random message', () => {
const messages = [
'Hello, this is Nour',
'Oh ! How are you ?',
"Hmmm that's cool !",
'Corona virus',
'God bless you',
];
const result = getRandomElement(messages);
expect(messages).toContain(result);
});
it('should return undefined when trying to get a random message from an empty array', () => {
const result = getRandomElement([]);
expect(result).toBe(undefined);
});
});
});

15
api/src/utils/helpers/safeRandom.ts
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@@ -1,5 +1,5 @@
/*
* Copyright © 2024 Hexastack. All rights reserved.
* Copyright © 2025 Hexastack. All rights reserved.
*
* Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
* 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
@@ -15,3 +15,16 @@ import crypto from 'crypto';
*/
export const getRandom = (): number =>
crypto.getRandomValues(new Uint32Array(1))[0] / 2 ** 32;
/**
* Return a randomly picked item of the array
*
* @param array - Array of any type
*
* @returns A random item from the array
*/
export const getRandomElement = <T>(array: T[]): T => {
return Array.isArray(array)
? array[Math.floor(getRandom() * array.length)]
: array;
};