replace-vars.js

// Make all variables dashed-case
// USAGE:
// ack -l  -- '--\b' | xargs node replace-vars.js
const { readFileSync, writeFileSync } = require('fs')

const [_, __, ...files] = process.argv

console.log(files)
const camelCaseToDash = myStr =>
	myStr.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase()

files
	.filter(f => f !== 'LICENSE')
	.map(file => {
		const contents = readFileSync(file).toString()

		const newContents = contents.replace(
			/--(\w+)/g,
			(match, p1) => `--${camelCaseToDash(p1)}`
		)

		writeFileSync(file, newContents)
	})