refactor: enable static analysis of dependency tree

Author: marionebl

source/cli.js

@@ -1,24 +1,16 @@
 #!/usr/bin/env node
-// polyfills
-import 'babel-polyfill';
+import 'babel-polyfill'; // eslint-disable-line import/no-unassigned-import
 
 // npm modules
 import chalk from 'chalk';
 import meow from 'meow';
 import {pick} from 'lodash';
 import stdin from 'get-stdin';
 
-// local modules
+import pkg from '../package.json'; // eslint-disable-line import/extensions
 import help from './help';
 import lint from './';
-import {
-	format,
-	getConfiguration,
-	getPreset,
-	getMessages
-} from './';
-
-import pkg from '../package';
+import {format, getConfiguration, getPreset, getMessages} from './'; // eslint-disable-line no-duplicate-imports
 
 /**
  * Behavioural rules
@@ -132,12 +124,12 @@ async function main(options) {
 
 // Start the engine
 main(cli)
-	.catch(error =>
+	.catch(err =>
 		setTimeout(() => {
-			if (error.type === pkg.name) {
+			if (err.type === pkg.name) {
 				process.exit(1);
 			}
-			throw error;
+			throw err;
 		})
 	);
 

source/index.js

@@ -1,10 +1,13 @@
 import {sync as parse} from 'conventional-commits-parser';
 import {merge} from 'lodash';
 
-export getConfiguration from './library/get-configuration';
-export getMessages from './library/get-messages';
-export getPreset from './library/get-preset';
-export format from './library/format';
+import ruleFunctions from './rules';
+import format from './library/format';
+import getConfiguration from './library/get-configuration';
+import getMessages from './library/get-messages';
+import getPreset from './library/get-preset';
+
+export {format, getConfiguration, getMessages, getPreset};
 
 export default async (message, options = {}) => {
 	const {
@@ -62,7 +65,7 @@ export default async (message, options = {}) => {
 				return null;
 			}
 
-			const rule = require(`./rules/${name}`);
+			const rule = ruleFunctions[name];
 			const [valid, message] = rule(parsed, when, value);
 
 			return {

source/rules/index.js

@@ -0,0 +1,32 @@
+export default {
+	'body-case': require('./body-case'),
+	'body-empty': require('./body-empty'),
+	'body-leading-blank': require('./body-leading-blank'),
+	'body-max-length': require('./body-max-length'),
+	'body-min-length': require('./body-min-length'),
+	'body-tense': require('./body-tense'),
+	'footer-empty': require('./footer-empty'),
+	'footer-leading-blank': require('./footer-leading-blank'),
+	'footer-max-length': require('./footer-max-length'),
+	'footer-min-length': require('./footer-min-length'),
+	'footer-tense': require('./footer-tense'),
+	'header-max-length': require('./header-max-length'),
+	'header-min-length': require('./header-min-length'),
+	lang: require('./lang'),
+	'scope-case': require('./scope-case'),
+	'scope-empty': require('./scope-empty'),
+	'scope-enum': require('./scope-enum'),
+	'scope-max-length': require('./scope-max-length'),
+	'scope-min-length': require('./scope-min-length'),
+	'subject-case': require('./subject-case'),
+	'subject-empty': require('./subject-empty'),
+	'subject-full-stop': require('./subject-full-stop'),
+	'subject-leading-capital': require('./subject-leading-capital'),
+	'subject-max-length': require('./subject-max-length'),
+	'subject-tense': require('./subject-tense'),
+	'type-case': require('./type-case'),
+	'type-empty': require('./type-empty'),
+	'type-enum': require('./type-enum'),
+	'type-max-length': require('./type-max-length'),
+	'type-min-length': require('./type-min-length')
+};