@lume/live-code/src/stripIndent.ts

A `<live-code>` element for editable code with live output.

// Adapted from http://npmjs.com/min-indent
export function minIndent(string: string) {
	const match = string.match(/^[ \t]*(?=\S)/gm)
	if (!match) return 0
	return match.reduce((r, a) => Math.min(r, a.length), Infinity)
}

// Adapted from http://npmjs.com/strip-indent
export function stripIndent(string: string) {
	const indent = minIndent(string)
	if (indent === 0) return string
	const regex = new RegExp(`^[ \\t]{${indent}}`, 'gm')
	return string.replace(regex, '')
}