wait-group-ts

> WaitGroup for JavaScript/TypeScript

Install

``sh
npm install wait-group-ts
`

Usage

$3


`js
import newWaitGroup from 'wait-group-ts';

const wg = newWaitGroup(10);

// Task 1
(async () => {
await wg.add();
try {
// Do task 1
} finally {
wg.done();
}
})() ;

// Task 2
(async () => {
await wg.add();
try {
// Do task 2
} finally {
wg.done();
}
})();

await wg.wait();
`

$3


`js
import newWaitGroup from 'wait-group-ts';

// Limit the number of concurrent tasks to 10
const wg = newWaitGroup(10);

for (let i = 0; i < 100; i++) {
(async () => {
await wg.add();
try {
console.log(Processing task ${i});
await new Promise(resolve => setTimeout(resolve, 100));
} finally {
wg.done();
}
})();
}

await wg.wait();

`

API

$3

#### limit

Type: number`

The number of concurrent tasks to limit.

$3

Add a task to the wait group. Returns a promise that resolves when the task is added. Blocks if the limit is reached.

$3

Remove a task from the wait group.

$3

Wait for all tasks to complete. Returns a promise that resolves when all tasks are complete.

$3

Get the number of tasks currently executing in the wait group.