npm-fzf/src/npmScripts.js

Fuzzy search npm package with fzf

/**
 * Fuzzy search recent global installs with fzf
 *
 */

// Dependencies
const chalk = require("chalk");
const spawn = require("child_process").spawn;
const { promisify } = require("es6-promisify");

// Default to node-fzf, the much less capable implementation of fzf, only when fzf is not installed.
// Using node-fzf will lose many features
const nfzf = require("node-fzf");
const commandExists = promisify(require("command-exists"));

// Local dependencies
const { npmScripts, stringUtil } = require("@hankchanocd/npmlist");

module.exports = () => {
	return {
		fzf() {
			commandExists("fzf")
				.then(ans => {
					if (!ans) {
						return defaultNodeFzf();
					} else {
						return fzf();
					}
				})
				.catch(err => console.log(chalk.redBright(err)));
		},

		print() {
			npmScripts().default();
		}
	};
};

async function fzf() {
	let result = await npmScripts().raw();

	return spawn(
		`echo "${result}" | tr ',' '\n' |
								fzf --reverse --cycle --ansi --height=40% | tr ' ' '\n' | head -n 1 | xargs npm run `,
		{
			stdio: "inherit",
			shell: true
		}
	);
}

async function defaultNodeFzf() {
	let result = await npmScripts().raw();

	nfzf(result, function(result) {
		const { selected, query } = result;
		if (!selected) {
			return console.log("No matches for:", query);
		}

		let key = selected.value.split(" ")[0];
		key = stringUtil.getRidOfColors(key);
		key = stringUtil.getRidOfQuotationMarks(key);

		return spawn("npm", ["run", key], {
			stdio: [process.stdin, process.stdout, process.stderr]
		});
	});
}