index.js

#! /usr/bin/env node

const path = require('path')

const version = require('./package.json').version
const microloader = require('microloader')
const program = require('commander')

const {
	getGitStatuses,
	getFileList,
	buildNodes,
	buildTree,
	filesFromGitStatus,
	printTree,
	getGitLineChanges,
	collect
} = microloader('.', {
	objectify: true,
	cwd: path.join(__dirname, 'utils')
})

program
	.version(version)
	.usage('[options] [dir]')
	.option('-m, --modified', 'only show modified files')
	.option('-t, --tracked', 'only show tracked files')
	.option('-c, --collapse', 'collapse directory nodes that contain a single child')
	.option('-d, --devicons', 'print matching devicons next to files')
	.option('-I, --ignore <pattern>', 'do not list files that match the given pattern', collect, [])
	.parse(process.argv)

gitree(program.args[0] || '.')

async function gitree (p) {
	let gitStatuses, files, gitLineChanges

	if (program.modified) {
		;([
			gitStatuses,
			gitLineChanges
		] = await Promise.all([
			getGitStatuses(p).then((result) => {
				files = filesFromGitStatus(result)

				return result
			}),

			getGitLineChanges(p)
		]))
	} else {
		;([
			gitStatuses,
			files,
			gitLineChanges
		] = await Promise.all([
			getGitStatuses(p),
			getFileList(p),
			getGitLineChanges(p)
		]))
	}

	if (!files.length) {
		return
	}

	const nodes = await buildNodes(files, gitStatuses, gitLineChanges, p, program.tracked)
	const tree = buildTree(nodes, p, program.ignore)
	printTree(tree, program.collapse, program.devicons)
}