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author | Joel Kronqvist <work.joelkronqvist@pm.me> | 2022-03-11 20:46:06 +0200 |
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committer | Joel Kronqvist <work.joelkronqvist@pm.me> | 2022-03-11 20:46:06 +0200 |
commit | 080c5819d87b933816d724a83f3bf4f1686770a7 (patch) | |
tree | 4a2ccc68b27edf7d4cbc586c932cc7542b655e19 /node_modules/p-limit/index.js | |
parent | 5ac7049a9d30733165cc212dee308163c2a14644 (diff) | |
parent | d003b82235a9329f912522a2f70aa950dfce4998 (diff) | |
download | LYLLRuoka-080c5819d87b933816d724a83f3bf4f1686770a7.tar.gz LYLLRuoka-080c5819d87b933816d724a83f3bf4f1686770a7.zip |
Merge branch 'master' of https://github.com/JoelHMikael/FoodJS
Updating remote changes
Diffstat (limited to 'node_modules/p-limit/index.js')
-rw-r--r-- | node_modules/p-limit/index.js | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/node_modules/p-limit/index.js b/node_modules/p-limit/index.js new file mode 100644 index 0000000..6a72a4c --- /dev/null +++ b/node_modules/p-limit/index.js @@ -0,0 +1,57 @@ +'use strict'; +const pTry = require('p-try'); + +const pLimit = concurrency => { + if (!((Number.isInteger(concurrency) || concurrency === Infinity) && concurrency > 0)) { + return Promise.reject(new TypeError('Expected `concurrency` to be a number from 1 and up')); + } + + const queue = []; + let activeCount = 0; + + const next = () => { + activeCount--; + + if (queue.length > 0) { + queue.shift()(); + } + }; + + const run = (fn, resolve, ...args) => { + activeCount++; + + const result = pTry(fn, ...args); + + resolve(result); + + result.then(next, next); + }; + + const enqueue = (fn, resolve, ...args) => { + if (activeCount < concurrency) { + run(fn, resolve, ...args); + } else { + queue.push(run.bind(null, fn, resolve, ...args)); + } + }; + + const generator = (fn, ...args) => new Promise(resolve => enqueue(fn, resolve, ...args)); + Object.defineProperties(generator, { + activeCount: { + get: () => activeCount + }, + pendingCount: { + get: () => queue.length + }, + clearQueue: { + value: () => { + queue.length = 0; + } + } + }); + + return generator; +}; + +module.exports = pLimit; +module.exports.default = pLimit; |