spritesmith-dir-checker/index.js

Check icons in directory & show warnings

const { readdirSync } = require('fs')
const { basename, join } = require('path')
const { sync: isDir } = require('is-directory')

const isPng = fp => !!/\.png$/i.test(fp)

const isSpriteDir = dir => fp => isDir(join(dir, fp))

const hasPngInSpriteDir = dir => fp => {
	const file = join(dir, fp)

	return !isDir(file) && isPng(file)
}

const hasIconsInSpriteDir = (dir, spritesPath) => fp => {
	const folder = join(dir, fp)

	if (!isDir(folder)) {
		return false
	}

	const files = readdirSync(folder)

	if (!files.length) {
		console.warn(`[sprites] Put icons to '${spritesPath}/${basename(folder)}' or delete this folder.`)

		return false
	}

	return !!files.filter(hasPngInSpriteDir(folder)).length
}

module.exports = (cwd = process.cwd(), spritesPath = 'app/sprites') => {
	const dir = join(cwd, spritesPath)
	const hasSpritesDir = isDir(dir)

	if (!hasSpritesDir) {
		return false
	}

	const spritesDirFiles = readdirSync(dir)
	const hasIconsInSpritesDir = !!spritesDirFiles.filter(isPng).length

	if (hasIconsInSpritesDir) {
		console.warn(`[sprites] Move icons from '${spritesPath}' to '${spritesPath}/<name>' or delete them.`)

		return false
	}

	const hasIconsInSpriteDirs = !!spritesDirFiles.filter(hasIconsInSpriteDir(dir, spritesPath)).length

	if (!hasIconsInSpriteDirs) {
		return false
	}

	return true
}