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#!/usr/bin/env node

'use strict';

var parseOpts = require('minimist');
var objectKeys = require('object-keys');

var opts = parseOpts(process.argv.slice(2), {
	alias: { r: 'require', i: 'ignore' },
	string: ['require', 'ignore'],
	boolean: ['only'],
	default: { r: [], i: null, only: null }
});

if (typeof opts.only === 'boolean') {
	process.env.NODE_TAPE_NO_ONLY_TEST = !opts.only;
}

var cwd = process.cwd();

if (typeof opts.require === 'string') {
	opts.require = [opts.require];
}

var resolveModule;
opts.require.forEach(function (module) {
	var options = { basedir: cwd, extensions: objectKeys(require.extensions) };
	if (module) {
		if (!resolveModule) { resolveModule = require('resolve').sync; }
		// This check ensures we ignore `-r ""`, trailing `-r`, or other silly things the user might (inadvertently) be doing.
		require(resolveModule(module, options));
	}
});

var resolvePath = require('path').resolve;
var requireResolve = require.resolve;

var matcher;
if (typeof opts.ignore === 'string') {
	var readFileSync = require('fs').readFileSync;
	try {
		var ignoreStr = readFileSync(resolvePath(cwd, opts.ignore || '.gitignore'), 'utf-8');
	} catch (e) {
		console.error(e.message);
		process.exit(2);
	}
	var ignore = require('dotignore');
	matcher = ignore.createMatcher(ignoreStr);
}

var glob = require('glob');

var files = opts._.reduce(function (result, arg) {
	if (glob.hasMagic(arg)) {
		// If glob does not match, `files` will be an empty array.
		// Note: `glob.sync` may throw an error and crash the node process.
		var globFiles = glob.sync(arg);

		if (!Array.isArray(globFiles)) {
			throw new TypeError('unknown error: glob.sync("' + arg + '") did not return an array or throw. Please report this.');
		}

		return result.concat(globFiles);
	}
	return result.concat(arg);
}, []).filter(function (file) {
	return !matcher || !matcher.shouldIgnore(file);
}).map(function (file) {
	return requireResolve(resolvePath(cwd, file));
});

var hasImport = require('has-dynamic-import');

var tape = require('../');

function importFiles(hasSupport) {
	if (!hasSupport) {
		return files.forEach(function (x) { require(x); });
	}

	var importOrRequire = require('./import-or-require');

	tape.wait();

	var filesPromise = files.reduce(function (promise, file) {
		return promise ? promise.then(function () {
			return importOrRequire(file);
		}) : importOrRequire(file);
	}, null);

	return filesPromise ? filesPromise.then(function () { tape.run(); }) : tape.run();
}

hasImport().then(function (hasSupport) {
	// the nextTick callback gets called outside the promise chain, avoiding
	// promises and unhandled rejections when only loading commonjs files
	process.nextTick(importFiles, hasSupport);
});

// vim: ft=javascript