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81 Commits

Author SHA1 Message Date
dc53984a77 4.2.3 2025-02-20 12:51:50 +00:00
a4d6c38a4f fix(test): Refactor test suite for improved readability and maintainability. 2025-02-20 12:51:50 +00:00
af0f406746 4.2.2 2025-01-23 20:09:58 +01:00
73bf085376 fix(dependencies): Update @git.zone/tstest and @types/node dependencies to latest versions 2025-01-23 20:09:58 +01:00
70c5f15b4c 4.2.1 2025-01-23 19:06:06 +01:00
ee9bbe021c fix(devDependencies): Update development dependencies to latest versions 2025-01-23 19:06:06 +01:00
45d53eea31 4.2.0 2025-01-19 19:05:16 +01:00
d54b5790a3 feat(cumulativedeferred): Added subDefer method to CumulativeDeferred 2025-01-19 19:05:15 +01:00
a941ca69b3 4.1.0 2025-01-07 04:27:25 +01:00
1afbfd8895 feat(core): Add fromCallback utility function for promisifying Node.js-style callback functions 2025-01-07 04:27:24 +01:00
3802c03838 4.0.4 2024-06-23 23:46:43 +02:00
8c18dcd0e6 fix(ci): Remove .gitlab-ci.yml and update dependencies and metadata 2024-06-23 23:46:42 +02:00
b8e7063bab update description 2024-05-29 14:15:32 +02:00
85706e8a4e update tsconfig 2024-04-14 18:10:00 +02:00
3a5ea9aa13 update npmextra.json: githost 2024-04-01 21:37:27 +02:00
4d762353dd update npmextra.json: githost 2024-04-01 19:59:20 +02:00
f176e991a8 update npmextra.json: githost 2024-03-30 21:48:20 +01:00
1f1e0e4ee1 4.0.3 2023-07-10 23:12:01 +02:00
139d4cb56d fix(core): update 2023-07-10 23:12:00 +02:00
8038e54f53 switch to new org scheme 2023-07-10 10:17:29 +02:00
37284da2cc 4.0.2 2023-04-17 21:01:18 +02:00
b0772e2372 fix(core): update 2023-04-17 21:01:18 +02:00
f3eac4a5f7 4.0.1 2023-04-17 21:00:26 +02:00
fde31ec25d fix(core): update 2023-04-17 21:00:25 +02:00
810b299caa 4.0.0 2023-04-04 20:54:35 +02:00
c71ac16090 BREAKING CHANGE(core): switch to esm 2023-04-04 20:54:35 +02:00
91b52982c0 3.1.9 2023-04-04 20:35:54 +02:00
97f8327fe9 fix(core): update 2023-04-04 20:35:54 +02:00
42f40449ad 3.1.8 2023-04-04 20:22:57 +02:00
960c23fecd fix(core): update 2023-04-04 20:22:57 +02:00
40642fd6f6 3.1.7 2022-02-27 21:02:27 +01:00
4c3565c618 fix(core): update 2022-02-27 21:02:27 +01:00
1848006601 3.1.6 2021-05-31 13:02:23 +02:00
c761cc4460 fix(core): update 2021-05-31 13:02:22 +02:00
9f6d88e162 3.1.5 2021-04-23 18:04:09 +00:00
255d6415a5 fix(core): update 2021-04-23 18:04:08 +00:00
84a8d8431c 3.1.4 2021-04-23 17:58:37 +00:00
95d27d52a7 fix(core): update 2021-04-23 17:58:37 +00:00
1363aa7957 3.1.3 2020-10-16 02:06:50 +00:00
095ea36e5d fix(core): update 2020-10-16 02:06:50 +00:00
b6ab079de0 3.1.2 2020-10-16 01:39:19 +00:00
734d5aca35 fix(core): update 2020-10-16 01:39:19 +00:00
3b0052602f 3.1.1 2020-10-15 18:19:14 +00:00
9693ec04d6 fix(core): update 2020-10-15 18:19:12 +00:00
4ee932873c 3.1.0 2020-10-15 18:16:17 +00:00
3bedd3581e feat(timeouts): allows the wrapping of promises in timeouts 2020-10-15 18:16:17 +00:00
ee3c1c6e79 3.0.9 2020-10-15 18:14:53 +00:00
8c6ac181b0 fix(core): update 2020-10-15 18:14:53 +00:00
51bce0b317 3.0.8 2020-10-15 18:13:58 +00:00
374d73f87e fix(core): update 2020-10-15 18:13:58 +00:00
d922c691ed 3.0.7 2020-10-15 18:02:14 +00:00
5aecc44ad7 fix(core): update 2020-10-15 18:02:14 +00:00
f7492c4656 3.0.6 2019-10-01 18:06:29 +02:00
63dd46ed49 fix(core): update 2019-10-01 18:06:29 +02:00
984c2bc9d8 3.0.5 2019-09-11 16:44:21 +02:00
16030d5ee8 fix(core): update 2019-09-11 16:44:21 +02:00
ddce50ac0f 3.0.4 2019-09-11 15:38:37 +02:00
baf956d0ed fix(core): update 2019-09-11 15:38:37 +02:00
3340f1a895 3.0.3 2019-09-11 15:37:18 +02:00
ee336af699 fix(core): update 2019-09-11 15:37:17 +02:00
0526c45ea1 3.0.2 2019-03-26 12:11:25 +01:00
9933d72784 fix(core): update 2019-03-26 12:11:24 +01:00
d1bc689b35 3.0.1 2019-03-26 12:07:13 +01:00
25c0deb3f3 fix(core): update 2019-03-26 12:07:12 +01:00
5138219563 3.0.0 2019-03-26 12:02:02 +01:00
93f426cce0 BREAKING CHANGE(remove util dependency and promisify functionality): update 2019-03-26 12:02:01 +01:00
e42061047a 2.0.5 2018-07-03 08:41:43 +02:00
3b07f99488 fix(README): fix import statement 2018-07-03 08:41:42 +02:00
3d252a5e3e 2.0.4 2018-07-03 08:39:25 +02:00
d82722296b fix(README): update name 2018-07-03 08:39:25 +02:00
22317ef83d 2.0.3 2018-07-02 22:59:16 +02:00
054ec0afa4 fix(core): now has 0 dependencies 2018-07-02 22:59:16 +02:00
19d434533f 2.0.2 2018-07-02 22:54:14 +02:00
9b8440f743 fix(core): update to latest gitzone standards 2018-07-02 22:54:13 +02:00
564953e25f 2.0.1 2018-07-02 22:52:45 +02:00
98f190ea21 fix(test): adjust windows test 2018-07-02 22:52:45 +02:00
2b77c8e019 2.0.0 2018-07-02 22:49:21 +02:00
d8e5fbf3bc BREAKING CHANGE(scope): switch scope to pushrocks 2018-07-02 22:49:21 +02:00
1069d5a38e 1.1.8 2018-03-16 10:24:30 +01:00
eb82d16859 update to latest standards 2018-03-16 10:24:27 +01:00
082f533975 update to latest standards 2018-03-16 10:24:12 +01:00
24 changed files with 10544 additions and 809 deletions

23
.gitignore vendored
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@ -1,5 +1,20 @@
coverage/ .nogit/
pages/
node_modules/
public/
# artifacts
coverage/
public/
pages/
# installs
node_modules/
# caches
.yarn/
.cache/
.rpt2_cache
# builds
dist/
dist_*/
# custom

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# gitzone standard
image: hosttoday/ht-docker-node:npmci
cache:
paths:
- .yarn/
key: "$CI_BUILD_STAGE"
stages:
- test
- release
- trigger
- pages
testLEGACY:
stage: test
script:
- npmci test legacy
coverage: /\d+.?\d+?\%\s*coverage/
tags:
- docker
allow_failure: true
testLTS:
stage: test
script:
- npmci test lts
coverage: /\d+.?\d+?\%\s*coverage/
tags:
- docker
testSTABLE:
stage: test
script:
- npmci test stable
coverage: /\d+.?\d+?\%\s*coverage/
tags:
- docker
release:
stage: release
script:
- npmci publish
only:
- tags
tags:
- docker
trigger:
stage: trigger
script:
- npmci trigger
only:
- tags
tags:
- docker
pages:
image: hosttoday/ht-docker-node:npmci
stage: pages
script:
- npmci command yarn global add npmpage
- npmci command npmpage
tags:
- docker
only:
- tags
artifacts:
expire_in: 1 week
paths:
- public
allow_failure: true

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.vscode/launch.json vendored Normal file
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{
"version": "0.2.0",
"configurations": [
{
"command": "npm test",
"name": "Run npm test",
"request": "launch",
"type": "node-terminal"
}
]
}

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.vscode/settings.json vendored Normal file
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{
"json.schemas": [
{
"fileMatch": ["/npmextra.json"],
"schema": {
"type": "object",
"properties": {
"npmci": {
"type": "object",
"description": "settings for npmci"
},
"gitzone": {
"type": "object",
"description": "settings for gitzone",
"properties": {
"projectType": {
"type": "string",
"enum": ["website", "element", "service", "npm", "wcc"]
}
}
}
}
}
}
]
}

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# smartq
dropin replacement for q
## Availabililty
[![npm](https://pushrocks.gitlab.io/assets/repo-button-npm.svg)](https://www.npmjs.com/package/smartq)
[![git](https://pushrocks.gitlab.io/assets/repo-button-git.svg)](https://GitLab.com/pushrocks/smartq)
[![git](https://pushrocks.gitlab.io/assets/repo-button-mirror.svg)](https://github.com/pushrocks/smartq)
[![docs](https://pushrocks.gitlab.io/assets/repo-button-docs.svg)](https://pushrocks.gitlab.io/smartq/)
## Status for master
[![build status](https://GitLab.com/pushrocks/smartq/badges/master/build.svg)](https://GitLab.com/pushrocks/smartq/commits/master)
[![coverage report](https://GitLab.com/pushrocks/smartq/badges/master/coverage.svg)](https://GitLab.com/pushrocks/smartq/commits/master)
[![npm downloads per month](https://img.shields.io/npm/dm/smartq.svg)](https://www.npmjs.com/package/smartq)
[![Dependency Status](https://david-dm.org/pushrocks/smartq.svg)](https://david-dm.org/pushrocks/smartq)
[![bitHound Dependencies](https://www.bithound.io/github/pushrocks/smartq/badges/dependencies.svg)](https://www.bithound.io/github/pushrocks/smartq/master/dependencies/npm)
[![bitHound Code](https://www.bithound.io/github/pushrocks/smartq/badges/code.svg)](https://www.bithound.io/github/pushrocks/smartq)
[![TypeScript](https://img.shields.io/badge/TypeScript-2.x-blue.svg)](https://nodejs.org/dist/latest-v6.x/docs/api/)
[![node](https://img.shields.io/badge/node->=%208.x.x-blue.svg)](https://nodejs.org/dist/latest-v6.x/docs/api/)
[![JavaScript Style Guide](https://img.shields.io/badge/code%20style-standard-brightgreen.svg)](http://standardjs.com/)
## Usage
Use TypeScript for best in class instellisense.
> Note: smartq uses native ES6 promises
> smartq does not repeat any native functions, so for things like .all() simply use Promise.all()
```javascript
import * as q from 'smartq'
// Deferred
// -----------------------------------------------
let myAsyncFunction = (): Promise<string> => {
let done = q.defer<string>() // returns your typical Deferred object
setTimeout(() => {
done.resolve('hi') // will throw type error for other types than string as argument ;)
},6000)
return done.promise
}
let myAsyncFunction2 = async () => {
let aString = await myAsyncFunction()
console.log(aString) // will log 'hi' to console
}
myAsyncFunction2();
// Resolved and Rejected promises
// ------------------------------------------------
q.resolvedPromise(`I'll get logged to console soon`)
.then(x => {
console.log(x)
})
q.rejectedPromise(`what a lovely error message`)
.then(() => {
console.log('This never makes it to console')
}/*, alternatively put a reject function here */)
.catch(err => {
console.log(err)
})
// Promisify (typed)
// ------------------------------------------------
let myCallbackedFunction = (someString: string, someNumber: number, cb) => {
cb(null, someString)
}
let myPromisedFunction = q.promisify(myCallbackFunction)
myPromisedFunction('helloThere', 2).then(x => {
console.log(x) // will log 'helloThere' to console
})
```
For further information read the linked docs at the top of this README.
> MIT licensed | **&copy;** [Lossless GmbH](https://lossless.gmbh)
[![repo-footer](https://pushrocks.gitlab.io/assets/repo-footer.svg)](https://push.rocks)

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# Changelog
## 2025-02-20 - 4.2.3 - fix(test)
Refactor test suite for improved readability and maintainability.
- Updated and cleaned up test cases for deferreds and promises.
- Reduced timeouts in tests for quicker execution.
- Added expectations for promise status and duration.
## 2025-02-20 - 4.2.3 - fix(test)
Refactor test suite for improved readability and maintainability.
- Updated and cleaned up test cases for deferreds and promises.
- Reduced timeouts in tests for quicker execution.
- Added expectations for promise status and duration.
## 2025-01-23 - 4.2.2 - fix(dependencies)
Update @git.zone/tstest and @types/node dependencies to latest versions
- Updated @git.zone/tstest from ^1.0.91 to ^1.0.92
- Updated @types/node from ^22.10.9 to ^22.10.10
## 2025-01-23 - 4.2.1 - fix(devDependencies)
Update development dependencies to latest versions
- Updated @git.zone/tstest to version ^1.0.91
- Updated @push.rocks/tapbundle to version ^5.5.6
- Updated @types/node to version ^22.10.9
## 2025-01-19 - 4.2.0 - feat(cumulativedeferred)
Added subDefer method to CumulativeDeferred
- Introduced `subDefer` method in CumulativeDeferred class to allow creating and adding new Deferreds easily.
## 2025-01-07 - 4.1.0 - feat(core)
Add fromCallback utility function for promisifying Node.js-style callback functions
- Added fromCallback function to convert Node.js-style callbacks into Promises.
## 2024-06-23 - 4.0.4 - fix(ci)
Remove .gitlab-ci.yml and update dependencies and metadata
- Removed .gitlab-ci.yml file
- Updated dependencies in package.json and npmextra.json
- Improved description and keywords for better package definition
## 2024-05-29 - 4.0.3 - Maintenance
Update project configuration and descriptions.
- Update project description
- Update tsconfig
- Update npmextra.json with githost field
## 2023-07-10 - 4.0.2 - Standards
Updates to adhere to new organizational standards.
- Switch to new org scheme
- Fix(core): update project settings
## 2023-04-17 - 4.0.0 - Major Release
Significant updates and switching to ESM.
- Fix(core): update project settings
## 2023-04-04 - 3.1.9 - Major Release
Breaking change: switch to ESM (ECMAScript Module).
## 2021-05-31 - 3.1.6 - Maintenance
Update project settings.
- Fix(core): update project settings
## 2021-04-23 - 3.1.4 - Maintenance
Update project settings.
- Fix(core): update project settings
## 2020-10-16 - 3.1.2 - Maintenance
Update project settings.
- Fix(core): update project settings
## 2020-10-15 - 3.0.9 - Feature
Added functionality for wrapping promises in timeouts.
- Feat(timeouts): allows the wrapping of promises in timeouts
## 2019-10-01 - 3.0.5 - Maintenance
Update project settings.
- Fix(core): update project settings
## 2019-03-26 - 3.0.0 - Major Release
Breaking change: remove util dependency.
- BREAKING CHANGE(remove util dependency and promisify functionality): update
## 2018-07-03 - 2.0.2 - Dependencies
Project now has zero dependencies.
- Fix(core): now has 0 dependencies
## 2018-03-16 - 1.1.8 - Major Release
Breaking change: switch scope to pushrocks.
- BREAKING CHANGE(scope): switch scope to pushrocks
## 2017-07-27 - 1.1.7 - Standards
Update to latest coding standards.
- Update to latest standards
## 2017-07-06 - 1.1.4 - Features and Improvements
Added polyfill and npmextra.json.
- Add polyfill
- Add npmextra.json
## 2017-07-06 - 1.1.2 - CI Maintenance
Updated continuous integration configuration.
- Update ci

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import 'typings-global';
export interface IResolve<T> {
(value?: T | Promise<T>): void;
}
export interface IReject {
(reason?: any): void;
}
export declare type TDeferredStatus = 'pending' | 'fulfilled' | 'rejected';
export declare class Deferred<T> {
promise: Promise<T>;
resolve: IResolve<T>;
reject: IReject;
status: TDeferredStatus;
constructor();
}
export declare let defer: <T>() => Deferred<T>;
/**
* Creates a new resolved promise for the provided value.
*/
export declare let resolvedPromise: <T>(value?: T) => Promise<T>;
/**
* Creates a new rejected promise for the provided reason.
*/
export declare let rejectedPromise: (err: any) => Promise<never>;
export declare let promisify: {
(fn: Function): Function;
custom: symbol;
};
export declare let map: <T>(inputArg: T[], functionArg: any) => Promise<any[]>;

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"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
require("typings-global");
const util = require("util");
class Deferred {
constructor() {
this.promise = new Promise((resolve, reject) => {
this.resolve = resolve;
this.reject = reject;
this.status = 'pending';
});
}
}
exports.Deferred = Deferred;
exports.defer = () => {
return new Deferred();
};
/**
* Creates a new resolved promise for the provided value.
*/
exports.resolvedPromise = (value) => {
return Promise.resolve(value);
};
/**
* Creates a new rejected promise for the provided reason.
*/
exports.rejectedPromise = (err) => {
return Promise.reject(err);
};
exports.promisify = util.promisify;
// polyfill
if (!exports.promisify) {
exports.promisify = require('util.promisify');
}
exports.map = (inputArg, functionArg) => __awaiter(this, void 0, void 0, function* () {
let promisifedFunction = exports.promisify(functionArg);
let promiseArray = [];
let resultArray = [];
for (let item of inputArg) {
let promise = promisifedFunction(item);
promiseArray.push(promise);
promise.then(x => {
resultArray.push(x);
});
}
yield Promise.all(promiseArray);
return resultArray;
});
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# smartq
dropin replacement for q
## Availabililty
[![npm](https://pushrocks.gitlab.io/assets/repo-button-npm.svg)](https://www.npmjs.com/package/smartq)
[![git](https://pushrocks.gitlab.io/assets/repo-button-git.svg)](https://GitLab.com/pushrocks/smartq)
[![git](https://pushrocks.gitlab.io/assets/repo-button-mirror.svg)](https://github.com/pushrocks/smartq)
[![docs](https://pushrocks.gitlab.io/assets/repo-button-docs.svg)](https://pushrocks.gitlab.io/smartq/)
## Status for master
[![build status](https://GitLab.com/pushrocks/smartq/badges/master/build.svg)](https://GitLab.com/pushrocks/smartq/commits/master)
[![coverage report](https://GitLab.com/pushrocks/smartq/badges/master/coverage.svg)](https://GitLab.com/pushrocks/smartq/commits/master)
[![npm downloads per month](https://img.shields.io/npm/dm/smartq.svg)](https://www.npmjs.com/package/smartq)
[![Dependency Status](https://david-dm.org/pushrocks/smartq.svg)](https://david-dm.org/pushrocks/smartq)
[![bitHound Dependencies](https://www.bithound.io/github/pushrocks/smartq/badges/dependencies.svg)](https://www.bithound.io/github/pushrocks/smartq/master/dependencies/npm)
[![bitHound Code](https://www.bithound.io/github/pushrocks/smartq/badges/code.svg)](https://www.bithound.io/github/pushrocks/smartq)
[![TypeScript](https://img.shields.io/badge/TypeScript-2.x-blue.svg)](https://nodejs.org/dist/latest-v6.x/docs/api/)
[![node](https://img.shields.io/badge/node->=%208.x.x-blue.svg)](https://nodejs.org/dist/latest-v6.x/docs/api/)
[![JavaScript Style Guide](https://img.shields.io/badge/code%20style-standard-brightgreen.svg)](http://standardjs.com/)
## Usage
Use TypeScript for best in class instellisense.
> Note: smartq uses native ES6 promises
> smartq does not repeat any native functions, so for things like .all() simply use Promise.all()
```javascript
import * as q from 'smartq'
// Deferred
// -----------------------------------------------
let myAsyncFunction = (): Promise<string> => {
let done = q.defer<string>() // returns your typical Deferred object
setTimeout(() => {
done.resolve('hi') // will throw type error for other types than string as argument ;)
},6000)
return done.promise
}
let myAsyncFunction2 = async () => {
let aString = await myAsyncFunction()
console.log(aString) // will log 'hi' to console
}
myAsyncFunction2();
// Resolved and Rejected promises
// ------------------------------------------------
q.resolvedPromise(`I'll get logged to console soon`)
.then(x => {
console.log(x)
})
q.rejectedPromise(`what a lovely error message`)
.then(() => {
console.log('This never makes it to console')
}/*, alternatively put a reject function here */)
.catch(err => {
console.log(err)
})
// Promisify (typed)
// ------------------------------------------------
let myCallbackedFunction = (someString: string, someNumber: number, cb) => {
cb(null, someString)
}
let myPromisedFunction = q.promisify(myCallbackFunction)
myPromisedFunction('helloThere', 2).then(x => {
console.log(x) // will log 'helloThere' to console
})
```
For further information read the linked docs at the top of this README.
> MIT licensed | **&copy;** [Lossless GmbH](https://lossless.gmbh)
[![repo-footer](https://pushrocks.gitlab.io/assets/repo-footer.svg)](https://push.rocks)

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@ -1,7 +1,31 @@
{ {
"npmci": { "npmci": {
"globalNpmTools": [ "npmGlobalTools": [],
"npmts" "npmAccessLevel": "public"
},
"gitzone": {
"projectType": "npm",
"module": {
"githost": "code.foss.global",
"gitscope": "push.rocks",
"gitrepo": "smartpromise",
"description": "A TypeScript library for managing promises and Deferred constructs, simplifying asynchronous programming.",
"npmPackagename": "@push.rocks/smartpromise",
"license": "MIT",
"keywords": [
"promise",
"deferred",
"async",
"promisify",
"cumulative deferred",
"timeout",
"typescript",
"asynchronous",
"utilities"
] ]
} }
},
"tsdoc": {
"legal": "\n## License and Legal Information\n\nThis repository contains open-source code that is licensed under the MIT License. A copy of the MIT License can be found in the [license](license) file within this repository. \n\n**Please note:** The MIT License does not grant permission to use the trade names, trademarks, service marks, or product names of the project, except as required for reasonable and customary use in describing the origin of the work and reproducing the content of the NOTICE file.\n\n### Trademarks\n\nThis project is owned and maintained by Task Venture Capital GmbH. The names and logos associated with Task Venture Capital GmbH and any related products or services are trademarks of Task Venture Capital GmbH and are not included within the scope of the MIT license granted herein. Use of these trademarks must comply with Task Venture Capital GmbH's Trademark Guidelines, and any usage must be approved in writing by Task Venture Capital GmbH.\n\n### Company Information\n\nTask Venture Capital GmbH \nRegistered at District court Bremen HRB 35230 HB, Germany\n\nFor any legal inquiries or if you require further information, please contact us via email at hello@task.vc.\n\nBy using this repository, you acknowledge that you have read this section, agree to comply with its terms, and understand that the licensing of the code does not imply endorsement by Task Venture Capital GmbH of any derivative works.\n"
}
} }

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@ -1,27 +1,64 @@
{ {
"name": "smartq", "name": "@push.rocks/smartpromise",
"version": "1.1.7", "private": false,
"description": "dropin replacement for q", "version": "4.2.3",
"main": "dist/index.js", "description": "A TypeScript library for managing promises and Deferred constructs, simplifying asynchronous programming.",
"typings": "dist/index.d.ts", "main": "dist_ts/index.js",
"typings": "dist_ts/index.d.ts",
"scripts": { "scripts": {
"test": "(npmts)" "test": "(tstest test/ --web)",
"build": "(tsbuild --web --allowimplicitany)",
"buildDocs": "tsdoc"
}, },
"repository": { "repository": {
"type": "git", "type": "git",
"url": "git+ssh://git@gitlab.com/pushrocks/smartq.git" "url": "https://code.foss.global/push.rocks/smartpromise.git"
}, },
"author": "Lossless GmbH", "author": "Lossless GmbH",
"license": "MIT", "license": "MIT",
"bugs": { "bugs": {
"url": "https://gitlab.com/pushrocks/smartq/issues" "url": "https://gitlab.com/pushrocks/smartq/issues"
}, },
"homepage": "https://gitlab.com/pushrocks/smartq#README", "homepage": "https://code.foss.global/push.rocks/smartpromise",
"dependencies": {
"typings-global": "^1.0.19",
"util.promisify": "^1.0.0"
},
"devDependencies": { "devDependencies": {
"tapbundle": "^1.1.0" "@git.zone/tsbuild": "^2.2.0",
"@git.zone/tsrun": "^1.3.3",
"@git.zone/tstest": "^1.0.92",
"@push.rocks/tapbundle": "^5.5.6",
"@types/node": "^22.10.10"
},
"files": [
"ts/**/*",
"ts_web/**/*",
"dist/**/*",
"dist_*/**/*",
"dist_ts/**/*",
"dist_ts_web/**/*",
"assets/**/*",
"cli.js",
"npmextra.json",
"readme.md"
],
"browserslist": [
"last 1 chrome versions"
],
"type": "module",
"keywords": [
"promise",
"deferred",
"async",
"promisify",
"cumulative deferred",
"timeout",
"typescript",
"asynchronous",
"utilities"
],
"pnpm": {
"onlyBuiltDependencies": [
"esbuild",
"mongodb-memory-server",
"puppeteer"
]
} }
} }

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# @push.rocks/smartpromise
A library for simple promises and Deferred constructs with TypeScript support.
## Install
```bash
npm install @push.rocks/smartpromise --save
```
This module is designed to be used with TypeScript for the best developer experience, providing type safety and IntelliSense in your IDE.
## Usage
`@push.rocks/smartpromise` simplifies the use of promises and deferred constructs in TypeScript, offering a set of utility functions that extend native Promise capabilities in specific scenarios. This guide walks you through its functionalities, showcasing how to leverage this library in a TypeScript project.
### Setting Up Your Project
Ensure your TypeScript project is configured to support ES Module syntax. In your `tsconfig.json`, you should have:
```json
{
"compilerOptions": {
"module": "ESNext",
"target": "ESNext",
"moduleResolution": "node"
}
}
```
### Basic Usage
#### Creating a Deferred
Deferred objects in `@push.rocks/smartpromise` give you more control over your promises, allowing for manual resolution or rejection beyond the initial executor function.
```typescript
import { defer } from '@push.rocks/smartpromise';
async function exampleDeferred(): Promise<string> {
const myDeferred = defer<string>();
// Simulate an async task
setTimeout(() => {
myDeferred.resolve('Hello, Deferred!');
}, 1000);
return myDeferred.promise;
}
exampleDeferred().then((result) => console.log(result));
```
#### Cumulative Deferred
For scenarios where multiple asynchronous tasks need to be tracked collectively before proceeding, use `CumulativeDeferred`. It waits for all added promises to resolve.
```typescript
import { cumulativeDefer } from '@push.rocks/smartpromise';
async function exampleCumulativeDeferred() {
const myCumulativeDeferred = cumulativeDefer();
for (let i = 0; i < 5; i++) {
myCumulativeDeferred.addPromise(new Promise((resolve) => setTimeout(resolve, 1000 * i)));
}
await myCumulativeDeferred.promise;
console.log('All tasks completed!');
}
exampleCumulativeDeferred();
```
#### Utilizing Resolved and Rejected Promises
Quickly create already resolved or rejected promises for testing or initialization purposes.
```typescript
import { resolvedPromise, rejectedPromise } from '@push.rocks/smartpromise';
resolvedPromise('immediately resolved').then(console.log);
rejectedPromise('immediately rejected').catch(console.error);
```
### Advanced Use Cases
#### Promisify Callback Functions
`@push.rocks/smartpromise` does not directly provide a `promisify` function like Node.js `util` module, but you can easily integrate existing functions or use third-party libraries to convert callback-based functions into promises.
#### Handling Timeouts and Continuations
Managing timeouts or long-running promises gets easier with helper functions.
```typescript
import { timeoutWrap, timeoutAndContinue } from '@push.rocks/smartpromise';
async function exampleTimeout() {
const myPromise = new Promise((resolve) => setTimeout(() => resolve('Done!'), 2000));
// Will reject if the promise does not resolve within 1 second
try {
const result = await timeoutWrap(myPromise, 1000);
console.log(result);
} catch (error) {
console.error('Promise timed out');
}
// Continues after 1 second, regardless of whether the promise has resolved
const result = await timeoutAndContinue(myPromise, 1000);
console.log(result); // May log `null` if the original promise did not resolve in time
}
exampleTimeout();
```
#### Map and Reduce Asynchronous Functions
Suppose you have a collection of items that you need to process asynchronously. You can use the `map` function to apply an asynchronous function to each item in the array and wait for all the promises to resolve.
```typescript
import { map } from '@push.rocks/smartpromise';
async function processData(items: string[]): Promise<string[]> {
return map(items, async (item) => {
// Simulate an async operation
await new Promise((resolve) => setTimeout(resolve, 100));
return item.toUpperCase();
});
}
processData(['hello', 'world']).then(console.log);
```
### Handling Complex Promise Scenarios
#### Managing Multiple Deferreds
If you have multiple deferred objects and you want to manage them collectively, you can do so using the `CumulativeDeferred` class. This is especially useful when you have a dynamic number of deferreds to resolve.
```typescript
import { defer, cumulativeDefer } from '@push.rocks/smartpromise';
async function exampleComplexDeferred(): Promise<void> {
const task1 = defer<string>();
const task2 = defer<string>();
const cumulative = cumulativeDefer();
cumulative.addPromise(task1.promise);
cumulative.addPromise(task2.promise);
// Simulate async tasks
setTimeout(() => task1.resolve('Task 1 complete'), 1000);
setTimeout(() => task2.resolve('Task 2 complete'), 2000);
await cumulative.promise;
console.log('All tasks completed');
}
exampleComplexDeferred();
```
### Other Utilities
#### Race Condition Handling with `getFirstTrueOrFalse`
This helper function resolves immediately when one of the provided promises resolves to `true` or when all promises are resolved to `false`.
```typescript
import { getFirstTrueOrFalse } from '@push.rocks/smartpromise';
async function exampleRaceCondition() {
const task1 = new Promise<boolean>((resolve) => setTimeout(() => resolve(true), 1000));
const task2 = new Promise<boolean>((resolve) => setTimeout(() => resolve(false), 2000));
const result = await getFirstTrueOrFalse([task1, task2]);
console.log(result); // Outputs: true
}
exampleRaceCondition();
```
### Complete Use Case
Let's create a comprehensive example that showcases multiple features of `@push.rocks/smartpromise`.
```typescript
import {
defer,
cumulativeDefer,
resolvedPromise,
rejectedPromise,
timeoutWrap,
timeoutAndContinue,
map,
getFirstTrueOrFalse,
} from '@push.rocks/smartpromise';
async function completeUseCaseExample() {
console.log('Starting Complete Use Case Example!');
// Using Deferred
const myDeferred = defer<string>();
setTimeout(() => myDeferred.resolve('Deferred Resolved!'), 500);
console.log(await myDeferred.promise); // Outputs: "Deferred Resolved!"
// Using Cumulative Deferred
const myCumulativeDeferred = cumulativeDefer();
myCumulativeDeferred.addPromise(new Promise((resolve) => setTimeout(() => resolve('Task 1'), 1000)));
myCumulativeDeferred.addPromise(new Promise((resolve) => setTimeout(() => resolve('Task 2'), 2000)));
await myCumulativeDeferred.promise;
console.log('All cumulative tasks completed');
// Using Resolved and Rejected Promises
await resolvedPromise('Instant Resolve').then(console.log); // Outputs: "Instant Resolve"
await rejectedPromise('Instant Reject').catch(console.error); // Outputs: "Instant Reject"
// Using timeoutWrap
try {
const delayedPromise = new Promise((resolve) => setTimeout(() => resolve('Finished'), 3000));
const result = await timeoutWrap(delayedPromise, 1000);
console.log(result);
} catch (e) {
console.error('Timeout occurred'); // Outputs: "Timeout occurred"
}
// Using timeoutAndContinue
const resultContinue = await timeoutAndContinue(
new Promise((resolve) => setTimeout(() => resolve('Finished eventually'), 3000)),
1000
);
console.log(resultContinue); // Outputs: null (since it didn't resolve in 1 second)
// Using Map
const items = ['a', 'b', 'c'];
const processedItems = await map(items, async (item) => {
await new Promise((resolve) => setTimeout(resolve, 500));
return item.toUpperCase();
});
console.log(processedItems); // Outputs: ['A', 'B', 'C']
// Using getFirstTrueOrFalse
const raceResults = await getFirstTrueOrFalse([
new Promise<boolean>((resolve) => setTimeout(() => resolve(false), 1000)),
new Promise<boolean>((resolve) => setTimeout(() => resolve(true), 2000)),
]);
console.log(raceResults); // Outputs: true
console.log('Complete Use Case Example Finished!');
}
completeUseCaseExample();
```
### Testing Your Code
Testing is crucial to ensure the reliability of your asynchronous workflows. You can write tests using the `@push.rocks/tapbundle` library to create unit tests for your promises and deferred constructs.
```typescript
import { tap, expect } from '@push.rocks/tapbundle';
import * as smartpromise from '@push.rocks/smartpromise';
tap.test('should resolve a deferred promise', async () => {
const deferred = smartpromise.defer<string>();
deferred.resolve('Resolved!');
const result = await deferred.promise;
expect(result).toEqual('Resolved!');
});
tap.test('should timeout a long-running promise', async () => {
const longRunningPromise = new Promise((resolve) => setTimeout(resolve, 2000));
try {
await smartpromise.timeoutWrap(longRunningPromise, 1000);
} catch (err) {
expect(err.message).toEqual('timeout');
}
});
tap.test('should map async function to an array', async () => {
const inputArray = ['a', 'b'];
const result = await smartpromise.map(inputArray, async (item) => item.toUpperCase());
expect(result).toEqual(['A', 'B']);
});
tap.start();
```
By following this guide and using the examples provided, you should be able to effectively use `@push.rocks/smartpromise` for managing promises and deferred constructs in your TypeScript project. The library's extensive utility functions, combined with TypeScript support, make it a powerful tool for modern asynchronous programming needs.
Explore the full range of features and feel free to read through the source code to learn more about the implementation details. Happy coding!
## License and Legal Information
This repository contains open-source code that is licensed under the MIT License. A copy of the MIT License can be found in the [license](license) file within this repository.
**Please note:** The MIT License does not grant permission to use the trade names, trademarks, service marks, or product names of the project, except as required for reasonable and customary use in describing the origin of the work and reproducing the content of the NOTICE file.
### Trademarks
This project is owned and maintained by Task Venture Capital GmbH. The names and logos associated with Task Venture Capital GmbH and any related products or services are trademarks of Task Venture Capital GmbH and are not included within the scope of the MIT license granted herein. Use of these trademarks must comply with Task Venture Capital GmbH's Trademark Guidelines, and any usage must be approved in writing by Task Venture Capital GmbH.
### Company Information
Task Venture Capital GmbH
Registered at District court Bremen HRB 35230 HB, Germany
For any legal inquiries or if you require further information, please contact us via email at hello@task.vc.
By using this repository, you acknowledge that you have read this section, agree to comply with its terms, and understand that the licensing of the code does not imply endorsement by Task Venture Capital GmbH of any derivative works.

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import { expect, tap } from '@push.rocks/tapbundle';
import * as smartpromise from '../ts/index.js';
tap.test('should return a Deferred for .defer()', async () => {
const myDeferred = smartpromise.defer();
myDeferred.resolve();
await myDeferred.promise;
});
tap.test('should let types flow through the Promise', async () => {
const myString = 'someString';
const myDeferred = smartpromise.defer<string>();
myDeferred.resolve(myString);
const result = await myDeferred.promise;
expect(result).toEqual('someString');
});
tap.test('should map callbacks', async () => {
const inputArray = ['hi', 'awesome'];
const myPromisified = async (myInput) => {
return myInput;
};
const result = await smartpromise.map(inputArray, myPromisified);
expect(result).toEqual(inputArray);
});
export default tap.start();

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import * as smartpromise from '../ts/index.js';
import { tap, expect } from '@push.rocks/tapbundle';
tap.test('simple deferred should resolve with correct value', async () => {
const done = smartpromise.defer<string>();
let result: string | undefined;
done.promise.then((stringArg) => {
result = stringArg;
});
done.resolve('hello');
await done.promise;
expect(result).toEqual('hello');
});
tap.test('deferred should work with async functions and track status/duration', async () => {
const myAsyncFunction = async (): Promise<string> => {
const done = smartpromise.defer<string>();
setTimeout(() => {
done.resolve('hi');
}, 100); // reduced timeout for testing
expect(done.status).toEqual('pending');
await done.promise;
expect(done.status).toEqual('fulfilled');
expect(done.duration).toBeGreaterThan(0);
return done.promise;
};
const result = await myAsyncFunction();
expect(result).toEqual('hi');
});
tap.test('resolvedPromise should resolve immediately with correct value', async () => {
const message = `I'll get logged to console soon`;
const result = await smartpromise.resolvedPromise(message);
expect(result).toEqual(message);
});
tap.test('rejectedPromise should reject with correct error message', async () => {
const errorMessage = 'what a lovely error message';
let caught = false;
try {
await smartpromise.rejectedPromise(errorMessage);
} catch (err) {
caught = true;
expect(err).toEqual(errorMessage);
}
expect(caught).toEqual(true);
});
export default tap.start();

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import { expect, tap } from 'tapbundle'
import * as q from '../dist/index'
let myCallback = (someValue1: string, cb?) => {
cb(null, someValue1)
}
tap.test('should return a Deferred for .defer()', async () => {
let myDeferred = q.defer()
let expectPromise = expect(myDeferred.promise).to.eventually.be.fulfilled
myDeferred.resolve()
return expectPromise
})
tap.test('should let types flow through the Promise', async () => {
let myString = 'someString'
let myDeferred = q.defer<string>()
let expectPromise = expect(myDeferred.promise).to.eventually.equal('someString')
myDeferred.resolve(myString)
return expectPromise
})
tap.test('should promisify a callback', async () => {
let myPromisified = q.promisify(myCallback)
let expectPromise = expect(myPromisified('hi')).to.eventually.equal('hi')
return await expectPromise
})
tap.test('should map callbacks', async () => {
let inputArray = ['hi', 'awesome']
let myPromisified = q.promisify(myCallback)
let expectPromise = expect(q.map(inputArray, myPromisified)).to.eventually.deep.equal(inputArray)
return expectPromise
})
tap.start()

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/**
* autocreated commitinfo by @push.rocks/commitinfo
*/
export const commitinfo = {
name: '@push.rocks/smartpromise',
version: '4.2.3',
description: 'A TypeScript library for managing promises and Deferred constructs, simplifying asynchronous programming.'
}

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import 'typings-global' import { defer } from './smartpromise.classes.deferred.js';
import * as util from 'util'
export interface IResolve<T> { export * from './smartpromise.classes.cumulativedeferred.js';
(value?: T | Promise<T>): void export * from './smartpromise.classes.deferred.js';
}
export interface IReject {
(reason?: any): void
}
export type TDeferredStatus = 'pending' | 'fulfilled' | 'rejected'
export class Deferred<T> {
promise: Promise<T>
resolve: IResolve<T>
reject: IReject
status: TDeferredStatus
constructor () {
this.promise = new Promise<T>((resolve, reject) => {
this.resolve = resolve
this.reject = reject
this.status = 'pending'
})
}
}
export let defer = <T>() => {
return new Deferred<T>()
}
/** /**
* Creates a new resolved promise for the provided value. * Creates a new resolved promise for the provided value.
*/ */
export let resolvedPromise = <T>(value?: T): Promise<T> => { export const resolvedPromise = <T>(value?: T): Promise<T> => {
return Promise.resolve(value) return Promise.resolve(value);
} };
/** /**
* Creates a new rejected promise for the provided reason. * Creates a new rejected promise for the provided reason.
*/ */
export let rejectedPromise = (err) => { export const rejectedPromise = (err) => {
return Promise.reject(err) return Promise.reject(err);
};
interface IAsyncFunction<T> {
(someArg: T): Promise<T>;
} }
export let promisify = util.promisify /**
* accepts an array of inputs and a function that accepts the input.
* runs all items with the function and returns the result array when all items have run
* @param inputArg
* @param functionArg
*/
export const map = async <T>(inputArg: T[], functionArg: IAsyncFunction<T>) => {
const promiseArray: Promise<any>[] = [];
const resultArray = [];
for (const item of inputArg) {
const promise: Promise<any> = functionArg(item);
promiseArray.push(promise);
promise.then((x) => {
resultArray.push(x);
});
}
await Promise.all(promiseArray);
return resultArray;
};
// polyfill export const timeoutWrap = async <T = any>(
if (!promisify) { promiseArg: Promise<T>,
promisify = require('util.promisify') timeoutInMsArg: number,
rejectArg = true
) => {
return new Promise<T>((resolve, reject) => {
setTimeout(() => {
if (rejectArg) {
reject(new Error('timeout'));
} else {
resolve(null);
} }
export let map = async <T> (inputArg: T[],functionArg) => { }, timeoutInMsArg);
let promisifedFunction = promisify(functionArg) promiseArg.then(resolve, reject);
let promiseArray: Promise<any>[] = [] });
let resultArray = [] };
for (let item of inputArg) {
let promise: Promise<any> = promisifedFunction(item)
promiseArray.push(promise)
promise.then(x => {
resultArray.push(x)
})
export const timeoutAndContinue = async <T = any>(
promiseArg: Promise<T>,
timeoutInMsArg = 60000
) => {
return timeoutWrap(promiseArg, timeoutInMsArg, false);
};
export const getFirstTrueOrFalse = async (promisesArg: Promise<boolean>[]) => {
const done = defer<boolean>();
for (const promiseArg of promisesArg) {
promiseArg.then((resultArg) => {
if (resultArg === true) {
done.resolve(true);
} }
await Promise.all(promiseArray) });
return resultArray
} }
Promise.all(promisesArg).then(() => {
done.resolve(false);
});
return done.promise;
};
/**
* Converts a Node.js-style callback-based function into a Promise.
* @param fn The function that expects a callback.
* @returns A Promise that resolves with the result of the function or rejects with an error.
*/
export const fromCallback = <T>(
fn: (callback: (err: NodeJS.ErrnoException | null, result?: T) => void) => void
): Promise<T> => {
return new Promise((resolve, reject) => {
fn((err, result) => {
if (err) {
reject(err); // Reject the promise with the error
} else {
resolve(result as T); // Resolve the promise with the result
}
});
});
};

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import { defer } from "./smartpromise.classes.deferred.js";
export class CumulativeDeferred {
private accumulatedPromises: Promise<any>[] = [];
private deferred = defer();
public promise = this.deferred.promise;
constructor() {
setTimeout(async () => {
while (this.accumulatedPromises.length > 0) {
const poppedPromise = this.accumulatedPromises.shift();
await poppedPromise;
}
this.deferred.resolve();
}, 0);
}
public subDefer() {
const done = defer();
this.addPromise(done.promise);
return done;
}
public addPromise(promiseArg: Promise<any>) {
this.accumulatedPromises.push(promiseArg);
}
}
export const cumulativeDefer = () => {
return new CumulativeDeferred();
}

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export interface IResolve<T> {
(value?: T | PromiseLike<T>): void;
}
export interface IReject {
(reason?: any): void;
}
export type TDeferredStatus = 'pending' | 'fulfilled' | 'rejected';
export class Deferred<T> {
public promise: Promise<T>;
public resolve: IResolve<T>;
public reject: IReject;
public status: TDeferredStatus;
public claimed = false;
public claim() {
if (this.claimed) {
throw new Error('Deferred already claimed');
}
this.claimed = true;
}
public startedAt: number;
public stoppedAt: number;
public get duration(): number {
if (this.stoppedAt) {
return this.stoppedAt - this.startedAt;
} else {
return Date.now() - this.startedAt;
}
}
constructor() {
this.promise = new Promise<T>((resolve, reject) => {
this.resolve = (valueArg: T | PromiseLike<T>) => {
this.status = 'fulfilled';
this.stoppedAt = Date.now();
resolve(valueArg);
};
this.reject = (reason: any) => {
this.status = 'rejected';
this.stoppedAt = Date.now();
reject(reason);
};
this.startedAt = Date.now();
this.status = 'pending';
});
}
}
export const defer = <T>() => {
return new Deferred<T>();
};

14
tsconfig.json Normal file
View File

@ -0,0 +1,14 @@
{
"compilerOptions": {
"experimentalDecorators": true,
"useDefineForClassFields": false,
"target": "ES2022",
"module": "NodeNext",
"moduleResolution": "NodeNext",
"esModuleInterop": true,
"verbatimModuleSyntax": true
},
"exclude": [
"dist_*/**/*.d.ts"
]
}

View File

@ -1,3 +0,0 @@
{
"extends": "tslint-config-standard"
}

377
yarn.lock
View File

@ -1,377 +0,0 @@
# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
# yarn lockfile v1
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