Refactor CLI and main to allow programmatic usage (#43)

cli.js

@@ -1,11 +1,6 @@
 #!/usr/bin/env node
 'use strict';
-const gitClone = require('git-clone');
-const isUrl = require('is-url-superb');
 const meow = require('meow');
-const pify = require('pify');
-const rmfr = require('rmfr');
-const tempy = require('tempy');
 
 const findReadmeFile = require('./lib/find-readme-file');
 const awesomeLint = require('.');
@@ -18,32 +13,14 @@ const main = async () => {
 
 	const options = { };
 	const input = cli.input[0];
-	let temp = null;
 
 	if (input) {
-		if (isUrl(input)) {
-			temp = tempy.directory();
-			await pify(gitClone)(input, temp);
-
-			const readme = findReadmeFile(temp);
-			if (!readme) {
-				await rmfr(temp);
-				throw new Error(`Unable to find valid readme for "${input}"`);
-			}
-
-			options.filename = readme;
-		} else {
-			options.filename = input;
-		}
+		options.filename = input;
 	} else {
-		options.filename = 'readme.md';
+		options.filename = findReadmeFile(process.cwd());
 	}
 
 	await awesomeLint.report(options);
-
-	if (temp) {
-		await rmfr(temp);
-	}
 };
 
 main();

index.js

@@ -1,12 +1,17 @@
 'use strict';
 const path = require('path');
+const isUrl = require('is-url-superb');
 const ora = require('ora');
 const remark = require('remark');
+const gitClone = require('git-clone');
 const globby = require('globby');
 const pify = require('pify');
+const rmfr = require('rmfr');
+const tempy = require('tempy');
 const toVfile = require('to-vfile');
 const vfileReporterPretty = require('vfile-reporter-pretty');
 const config = require('./config');
+const findReadmeFile = require('./lib/find-readme-file');
 
 const lint = options => {
 	options = {
@@ -29,9 +34,28 @@ const lint = options => {
 
 lint.report = async options => {
 	const spinner = ora('Linting').start();
+	let temp = null;
+
+	if (isUrl(options.filename)) {
+		temp = tempy.directory();
+		await pify(gitClone)(options.filename, temp);
+
+		const readme = findReadmeFile(temp);
+		if (!readme) {
+			await rmfr(temp);
+			throw new Error(`Unable to find valid readme for "${options.filename}"`);
+		}
+
+		options.filename = readme;
+	}
+
 	const file = await lint(options);
 	const {messages} = file;
 
+	if (temp) {
+		await rmfr(temp);
+	}
+
 	if (messages.length === 0) {
 		spinner.succeed();
 		return;