mkjs-cli/test/jmacs/src/main/jmacs.js

Make-inspired build tool

#!/usr/bin/env node

const fs = require('fs');
const path = require('path');
const compiler = require('../language/compiler');

const main = module.exports = {
	load(p_file) {
		let s_input = fs.readFileSync(p_file, 'utf8');

		let h_result = compiler({
			input: s_input,
			cwd: path.dirname(path.resolve(p_file)),
		});

		return h_result;
	},

	compile(h_compile) {
		return compiler(h_compile);
	},
};

if(module === require.main) {
	let h_cli = require('commander')
		.version(require('../../package.json').version, '-v, --version')
		.usage('[options] <file>')
		.option('-g, --config', 'pass a JSON-like JavaScript object to insert global vars at the top')
		// .arguments('file')
		.parse(process.argv);

	if(!h_cli.args.length) {
		h_cli.help();
	}

	let p_input = path.join(process.cwd(), h_cli.args[0]);

	let s_prepend = '';
	if(h_cli.config) {
		debugger;
		let h_vars = eval(h_cli.config);
		for(let s_var in h_vars) {
			s_prepend += `@.const ${s_var} = ${JSON.stringify(h_vars[s_var])};\n`;
		}
	}

	let g_result = main.load(p_input, s_prepend);

	if(g_result.error) {
		console.error(g_result.error.message+'\n'+g_result.error.stack);
		process.exit(1);
	}

	console.log(g_result.output);
}