refactor: port load to typescript

.editorconfig

@@ -4,7 +4,7 @@ insert_final_newline = true
 trim_trailing_whitespace = true
 indent_style = tab
 
-[{.*rc,*.yml,*.md,package.json,lerna.json,*.svg}]
+[{.*rc,*.yml,*.md,package.json,lerna.json,tsconfig.json,tsconfig.*.json,*.svg}]
 indent_style = space
 
 [*.md]

@commitlint/cli/src/cli.js

@@ -1,7 +1,7 @@
 #!/usr/bin/env node
 require('babel-polyfill'); // eslint-disable-line import/no-unassigned-import
 
-const load = require('@commitlint/load');
+import load from '@commitlint/load';
 const lint = require('@commitlint/lint');
 const read = require('@commitlint/read');
 const meow = require('meow');

@commitlint/ensure/src/case.ts

@@ -2,7 +2,7 @@ import * as _ from 'lodash';
 
 export default ensureCase;
 
-type TargetCaseType =
+export type TargetCaseType =
 	| 'camel-case'
 	| 'kebab-case'
 	| 'snake-case'

@commitlint/ensure/src/index.ts

@@ -1,10 +1,11 @@
-import ensureCase from './case';
+import ensureCase, {TargetCaseType} from './case';
 import ensureEnum from './enum';
 import maxLength from './max-length';
 import maxLineLength from './max-line-length';
 import minLength from './min-length';
 import notEmpty from './not-empty';
 
 export {ensureCase as case};
+export {TargetCaseType};
 export {ensureEnum as enum};
 export {maxLength, maxLineLength, minLength, notEmpty};

@commitlint/execute-rule/src/index.ts

@@ -7,7 +7,7 @@ type ExecutedRule<T> = readonly [string, T];
 export default execute;
 
 export async function execute<T = unknown>(
-	rule: Rule<T>
+	rule?: Rule<T>
 ): Promise<ExecutedRule<T> | null> {
 	if (!Array.isArray(rule)) {
 		return null;

@commitlint/load/fixtures/basic/commitlint.config.js

@@ -1,5 +1,5 @@
 module.exports = {
 	rules: {
-		basic: true
+		'body-case': [1, 'never', 'camel-case']
 	}
 };

@commitlint/load/package.json

@@ -3,35 +3,13 @@
   "version": "8.2.0",
   "description": "Load shared commitlint configuration",
   "main": "lib/index.js",
+  "types": "lib/index.d.ts",
   "files": [
     "lib/"
   ],
   "scripts": {
-    "build": "cross-env NODE_ENV=production babel src --out-dir lib  --source-maps",
     "deps": "dep-check",
-    "pkg": "pkg-check --skip-import",
-    "start": "concurrently \"ava -c 4 --verbose --watch\" \"yarn run watch\"",
-    "test": "ava -c 4 --verbose && ava \"src/*.serial-test.js\" --verbose",
-    "watch": "babel src --out-dir lib --watch --source-maps"
-  },
-  "ava": {
-    "files": [
-      "src/**/*.test.js",
-      "!lib/**/*"
-    ],
-    "source": [
-      "src/**/*.js",
-      "!lib/**/*"
-    ],
-    "babel": "inherit",
-    "require": [
-      "babel-register"
-    ]
-  },
-  "babel": {
-    "presets": [
-      "babel-preset-commitlint"
-    ]
+    "pkg": "pkg-check --skip-import"
   },
   "engines": {
     "node": ">=4"
@@ -56,21 +34,16 @@
   },
   "license": "MIT",
   "devDependencies": {
-    "@commitlint/test": "^8.2.0",
-    "@commitlint/utils": "^8.2.0",
-    "ava": "0.22.0",
-    "babel-cli": "6.26.0",
-    "babel-preset-commitlint": "^8.2.0",
-    "babel-register": "6.26.0",
-    "concurrently": "3.6.1",
-    "cross-env": "5.1.1",
-    "execa": "0.11.0",
-    "globby": "10.0.1"
+    "@commitlint/test": "8.0.0",
+    "@commitlint/utils": "^8.1.0",
+    "@types/cosmiconfig": "5.0.3",
+    "@types/lodash": "4.14.136",
+    "@types/resolve-from": "^5.0.1",
+    "typescript": "3.5.3"
   },
   "dependencies": {
     "@commitlint/execute-rule": "^8.2.0",
     "@commitlint/resolve-extends": "^8.2.0",
-    "babel-runtime": "^6.23.0",
     "chalk": "2.4.2",
     "cosmiconfig": "^5.2.0",
     "lodash": "4.17.15",

@commitlint/load/src/index.serial.test.ts

@@ -0,0 +1,21 @@
+import * as path from 'path';
+import load from '.';
+
+const {fix} = require('@commitlint/test');
+
+const fixture = (name: string) => path.resolve(__dirname, '../fixtures', name);
+
+test('default cwd option to process.cwd()', async () => {
+	const cwd = await fix.bootstrap(fixture('basic'));
+	const before = process.cwd();
+	process.chdir(cwd);
+
+	try {
+		const actual = await load();
+		expect(actual.rules['body-case']).toBeTruthy();
+	} catch (err) {
+		throw err;
+	} finally {
+		process.chdir(before);
+	}
+});