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pace-yourself

v1.0.5

Published

A priority queue and consumer

Downloads

9

Readme

pace-yourself

flipactual Travis Codecov Node NPM

A priority queue and consumer

PriorityQueue

Class representing a priority queue

Kind: global class

new PriorityQueue([priorities])

constructor - Create a priority queue

| Param | Type | Default | Description | | --- | --- | --- | --- | | [priorities] | array | [1, 2] | An array of priority levels the queue should support from highest to lowest |

Example

const queue = new PriorityQueue();

priorityQueue.enqueue(entry, [priority]) ⇒ promise

enqueue - Enqueue a function

Kind: instance method of PriorityQueue
Returns: promise - A promise that resolves with enqueued function

| Param | Type | Default | Description | | --- | --- | --- | --- | | entry | function | | The function to enqueue | | [priority] | number | this.priorities[0] | The priority of the function to enqueue |

Example

const queue = new PriorityQueue();
queue.enqueue(() => 'ayy', 2);
// → returns a promise that resolves with 'ayy'

priorityQueue.dequeue() ⇒ function

dequeue - Dequeue the next item in the highest priority queue with items

Kind: instance method of PriorityQueue
Returns: function - The dequeued function
Example

const queue = new PriorityQueue();
queue.enqueue(() => 'lmao', 2).then(result => console.log(result));
queue.dequeue()();
// → resolves the promise, logging 'lmao'

QueueConsumer

Class representing a queue consumer

Kind: global class

new QueueConsumer(queue, [delay])

constructor - Create a queue consumer

| Param | Type | Default | Description | | --- | --- | --- | --- | | queue | PriorityQueue | | The queue to consume | | [delay] | number | 2500 | The interval, in ms, to wait between dequeueing functions |

Example

const queue = new PriorityQueue();
const consumer = new QueueConsumer(queue, 86400000);

queueConsumer.start()

start - Start consuming the queue

Kind: instance method of QueueConsumer

queueConsumer.stop()

stop - Stop consuming the queue

Kind: instance method of QueueConsumer

Scripts

test – run the tests

npm run test

coverage – generate and view code coverage as HTML

npm run coverage

lint – lint the codebase

npm run lint

readme – generate the README

npm run readme

compile – compile the code

npm run compile

License

MIT @ Flip