Software zum Installieren eines Smart-Mirror Frameworks , zum Nutzen von hochschulrelevanten Informationen, auf einem Raspberry-Pi.

Philipp Partosch 46a936d7de added all files to project		2 years ago
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throat

Throttle the parallelism of an asynchronous, promise returning, function / functions. This has special utility when you set the concurrency to 1. That way you get a mutually exclusive lock.

Professionally supported throat is now available

Installation

npm install throat

API

throat(concurrency)

This returns a function that acts a bit like a lock (exactly as a lock if concurrency is 1).

Example, only 2 of the following functions will execute at any one time:

const throat = require('throat')(2);

const resA = throat(async () => { /* async stuff... */ });
const resB = throat(async () => { /* async stuff... */ });
const resC = throat(async () => { /* async stuff... */ });
const resD = throat(async () => { /* async stuff... */ });
const resE = throat(async () => { /* async stuff... */ });

throat(concurrency, worker)

This returns a function that is an exact copy of worker except that it will only execute up to concurrency times in parallel before further requests are queued:

const throat = require('throat');

const input = ['fileA.txt', 'fileB.txt', 'fileC.txt', 'fileD.txt'];
const data = Promise.all(
  input.map(throat(2, (fileName) => readFile(fileName)))
);

Only 2 files will be read at a time, sometimes limiting parallelism in this way can improve scalability.

Security contact information

To report a security vulnerability, please use the Tidelift security contact. Tidelift will coordinate the fix and disclosure.

License

MIT

README.md