lean-utils

Small collection of useful JavaScript utilities extracted from this package's index.js.

Installation

Install the published package:

npm install lean-utils

Quick usage

const { debounce, throttle, deepClone } = require("lean-utils");

const fn = () => console.log("hello");
const t = throttle(fn, 200);

// deep clone example
const o = { a: 1, b: { c: 2 } };
const c = deepClone(o);

API

• deepClone(value) — deep clones arrays/objects, preserves Date/RegExp
• debounce(fn, wait = 100) — debounces a function
• throttle(fn, interval = 100) — throttles a function
• once(fn) — runs a function once
• memoize(fn, resolver) — memoizes sync functions
• retryAsync(fn, attempts = 3, delay = 100) — retries async functions
• formatBytes(bytes, decimals = 2) — human-readable byte sizes
• pick(obj, keys) — picks specified keys from object
• omit(obj, keys) — omits specified keys from object
• timeIt(fn) — measures sync function execution time
• isObject(v) — simple object type check