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avisek / delete-folders-via-npm-script.markdown
Last active April 29, 2022 10:46
Delete folders via NPM script

Add below code in package.json script

{
  "scripts": {
     "rmdir": "node -e \"var fs = require('fs'); process.argv.slice(1).map((fpath) => fs.rmdirSync(fpath, { recursive: true })); process.exit(0);\"",
  }
}

Then execute as below in command window

@avisek
avisek / copyOrMoveRecursively.ts
Created November 7, 2023 16:05
Recursively copy and move files & directories using Node.js
function copyRecursively(sourceDir: string, destinationDir: string): void {
const files = fs.readdirSync(sourceDir)
if (!fs.existsSync(destinationDir))
fs.mkdirSync(destinationDir, { recursive: true })
files.forEach(file => {
const sourceFile = path.join(sourceDir, file)
const destinationFile = path.join(destinationDir, file)
@avisek
avisek / constrain.js
Created November 13, 2023 17:38
Constrains a number between a minimum and maximum value.
function constrain(value, min, max) {
return Math.min(Math.max(value, min), max)
}
@avisek
avisek / colorConversions.js
Created May 21, 2022 12:11
RGB, HSL, XYZ, LAB, LCH color conversion algorithms in JavaScript
export function rgbToHsl(rgb) {
const r = rgb.r / 255
const g = rgb.g / 255
const b = rgb.b / 255
const max = Math.max(r, g, b), min = Math.min(r, g, b)
let h, s, l = (max + min) / 2
if (max == min) {
h = s = 0 // achromatic