refactor: port load to typescript (#786)

* refactor: port load to typescript [wip]

* refactor: port load to typescript [wip]

* refactor(load): finish port to typescript

* fix(cli): unpack load from default when importing

* refactor(load): beef up typings

* fix(load): repair botched merge

* test: port load tests from ava to jest

Co-authored-by: Armano <armano2@users.noreply.github.com>

* fix: propagate tightened types

* refactor: move out helper functions

* test: match prompt-cli tests correctly

* fix: add missing dependency on @commitlint/rules

* fix: add missing reference

* fix: add missing references

Co-authored-by: Mario Nebl <marionebl@users.noreply.github.com>
Co-authored-by: Armano <armano2@users.noreply.github.com>

.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/ensure/src/index.ts

@@ -1,4 +1,4 @@
-import ensureCase from './case';
+import ensureCase, {TargetCaseType} from './case';
 import ensureEnum from './enum';
 import maxLength from './max-length';
 import maxLineLength from './max-line-length';
@@ -7,5 +7,5 @@ import notEmpty from './not-empty';
 
 export {ensureCase as case};
 export {ensureEnum as enum};
+export {TargetCaseType};
 export {maxLength, maxLineLength, minLength, notEmpty};
-export {TargetCaseType} from './case';

@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

@@ -2,42 +2,14 @@
   "name": "@commitlint/load",
   "version": "8.3.5",
   "description": "Load shared commitlint configuration",
-  "main": "lib/index.js",
+  "main": "lib/load.js",
+  "types": "lib/load.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/index.serial-test.js --verbose",
-    "watch": "babel src --out-dir lib --watch --source-maps"
-  },
-  "ava": {
-    "files": [
-      "src/**/*.test.js",
-      "!lib/**/*"
-    ],
-    "source": [
-      "src/**/*.js",
-      "!lib/**/*"
-    ],
-    "babel": {
-      "testOptions": {
-        "presets": [
-          "babel-preset-commitlint"
-        ]
-      }
-    },
-    "require": [
-      "@babel/register"
-    ]
-  },
-  "babel": {
-    "presets": [
-      "babel-preset-commitlint"
-    ]
+    "pkg": "pkg-check --skip-import"
   },
   "engines": {
     "node": ">=4"
@@ -62,13 +34,9 @@
   },
   "license": "MIT",
   "devDependencies": {
-    "@babel/core": "7.7.7",
-    "@babel/cli": "7.7.7",
-    "@babel/register": "7.7.7",
     "@commitlint/test": "8.2.0",
     "@commitlint/utils": "^8.3.4",
-    "ava": "2.4.0",
-    "babel-preset-commitlint": "^8.2.0",
+    "@types/cosmiconfig": "^5.0.3",
     "concurrently": "3.6.1",
     "cross-env": "6.0.3",
     "execa": "0.11.0",
@@ -77,6 +45,7 @@
   "dependencies": {
     "@commitlint/execute-rule": "^8.3.4",
     "@commitlint/resolve-extends": "^8.3.5",
+    "@commitlint/rules": "^8.3.4",
     "chalk": "2.4.2",
     "cosmiconfig": "^5.2.0",
     "lodash": "4.17.15",