refactor: rewrite top level to typescript (#679)

@commitlint/top-level/index.d.ts

@@ -0,0 +1 @@
+export * from './lib';

@commitlint/top-level/index.js

@@ -0,0 +1 @@
+module.exports = require('./lib');

@commitlint/top-level/package.json

@@ -7,11 +7,11 @@
     "lib/"
   ],
   "scripts": {
-    "build": "cross-env NODE_ENV=production babel src --out-dir lib  --source-maps",
+    "build": "tsc",
     "deps": "dep-check",
     "pkg": "pkg-check",
     "start": "yarn watch",
-    "watch": "babel src --out-dir lib --watch --source-maps"
+    "watch": "tsc -w"
   },
   "babel": {
     "presets": [
@@ -42,12 +42,14 @@
   "license": "MIT",
   "devDependencies": {
     "@commitlint/utils": "^8.0.0",
+    "@types/node": "^12.0.4",
     "babel-cli": "6.26.0",
     "babel-preset-commitlint": "^8.0.0",
     "babel-register": "6.26.0",
-    "cross-env": "5.1.1"
+    "cross-env": "5.1.1",
+    "typescript": "^3.5.1"
   },
   "dependencies": {
-    "find-up": "^2.1.0"
+    "find-up": "^4.0.0"
   }
 }

@commitlint/top-level/src/index.js → @commitlint/top-level/src/index.ts

@@ -3,10 +3,11 @@ import up from 'find-up';
 
 export default toplevel;
 
-// Find the next git root
-// (start: string) => Promise<string | null>
-async function toplevel(cwd) {
-	const found = await up('.git', {cwd});
+/**
+ * Find the next git root
+ */
+async function toplevel(cwd: string) {
+	const found = await up('.git', {cwd, type: 'directory'});
 
 	if (typeof found !== 'string') {
 		return found;

@commitlint/top-level/tsconfig.json

@@ -0,0 +1,22 @@
+{
+	"compilerOptions": {
+		"lib": [
+			"dom",
+			"es2015"
+		],
+		"rootDir": "src",
+		"outDir": "lib",
+		"declaration": true,
+		"declarationMap": true,
+		"sourceMap": true,
+		"esModuleInterop": true,
+		"allowSyntheticDefaultImports": true,
+		"strict": true
+	},
+	"include": [
+		"./src"
+	],
+	"exclude": [
+		"./src/**/*.test.ts"
+	]
+}

yarn.lock

@@ -1295,6 +1295,11 @@
   resolved "https://registry.npmjs.org/@types/node/-/node-12.0.2.tgz#3452a24edf9fea138b48fad4a0a028a683da1e40"
   integrity sha512-5tabW/i+9mhrfEOUcLDu2xBPsHJ+X5Orqy9FKpale3SjDA17j5AEpYq5vfy3oAeAHGcvANRCO3NV3d2D6q3NiA==
 
+"@types/node@^12.0.4":
+  version "12.0.8"
+  resolved "https://registry.npmjs.org/@types/node/-/node-12.0.8.tgz#551466be11b2adc3f3d47156758f610bd9f6b1d8"
+  integrity sha512-b8bbUOTwzIY3V5vDTY1fIJ+ePKDUBqt2hC2woVGotdQQhG/2Sh62HOKHrT7ab+VerXAcPyAiTEipPu/FsreUtg==
+
 "@types/normalize-package-data@^2.4.0":
   version "2.4.0"
   resolved "https://registry.npmjs.org/@types/normalize-package-data/-/normalize-package-data-2.4.0.tgz#e486d0d97396d79beedd0a6e33f4534ff6b4973e"
@@ -4791,6 +4796,13 @@ find-up@^3.0.0:
   dependencies:
     locate-path "^3.0.0"
 
+find-up@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.npmjs.org/find-up/-/find-up-4.0.0.tgz#c367f8024de92efb75f2d4906536d24682065c3a"
+  integrity sha512-zoH7ZWPkRdgwYCDVoQTzqjG8JSPANhtvLhh4KVUHyKnaUJJrNeFmWIkTcNuJmR3GLMEmGYEf2S2bjgx26JTF+Q==
+  dependencies:
+    locate-path "^5.0.0"
+
 findup-sync@^3.0.0:
   version "3.0.0"
   resolved "https://registry.npmjs.org/findup-sync/-/findup-sync-3.0.0.tgz#17b108f9ee512dfb7a5c7f3c8b27ea9e1a9c08d1"
@@ -7108,6 +7120,13 @@ locate-path@^3.0.0:
     p-locate "^3.0.0"
     path-exists "^3.0.0"
 
+locate-path@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.npmjs.org/locate-path/-/locate-path-5.0.0.tgz#1afba396afd676a6d42504d0a67a3a7eb9f62aa0"
+  integrity sha512-t7hw9pI+WvuwNJXwk5zVHpyhIqzg2qTlklJOf0mVxGSbe3Fp2VieZcduNYjaLDoy6p9uGpQEGWG87WpMKlNq8g==
+  dependencies:
+    p-locate "^4.1.0"
+
 lodash._reinterpolate@~3.0.0:
   version "3.0.0"
   resolved "https://registry.npmjs.org/lodash._reinterpolate/-/lodash._reinterpolate-3.0.0.tgz#0ccf2d89166af03b3663c796538b75ac6e114d9d"
@@ -8384,6 +8403,13 @@ p-limit@^2.0.0:
   dependencies:
     p-try "^2.0.0"
 
+p-limit@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.npmjs.org/p-limit/-/p-limit-2.2.0.tgz#417c9941e6027a9abcba5092dd2904e255b5fbc2"
+  integrity sha512-pZbTJpoUsCzV48Mc9Nh51VbwO0X9cuPFE8gYwx9BTCt9SF8/b7Zljd2fVgOxhIF/HDTKgpVzs+GPhyKfjLLFRQ==
+  dependencies:
+    p-try "^2.0.0"
+
 p-locate@^2.0.0:
   version "2.0.0"
   resolved "https://registry.npmjs.org/p-locate/-/p-locate-2.0.0.tgz#20a0103b222a70c8fd39cc2e580680f3dde5ec43"
@@ -8398,6 +8424,13 @@ p-locate@^3.0.0:
   dependencies:
     p-limit "^2.0.0"
 
+p-locate@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.npmjs.org/p-locate/-/p-locate-4.1.0.tgz#a3428bb7088b3a60292f66919278b7c297ad4f07"
+  integrity sha512-R79ZZ/0wAxKGu3oYMlz8jy/kbhsNrS7SKZ7PxEHBgJ5+F2mtFW2fK2cOtBh1cHYkQsbzFV7I+EoRKe6Yt0oK7A==
+  dependencies:
+    p-limit "^2.2.0"
+
 p-map-series@^1.0.0:
   version "1.0.0"
   resolved "https://registry.npmjs.org/p-map-series/-/p-map-series-1.0.0.tgz#bf98fe575705658a9e1351befb85ae4c1f07bdca"
@@ -10796,6 +10829,11 @@ typescript@3.5.2:
   resolved "https://registry.npmjs.org/typescript/-/typescript-3.5.2.tgz#a09e1dc69bc9551cadf17dba10ee42cf55e5d56c"
   integrity sha512-7KxJovlYhTX5RaRbUdkAXN1KUZ8PwWlTzQdHV6xNqvuFOs7+WBo10TQUqT19Q/Jz2hk5v9TQDIhyLhhJY4p5AA==
 
+typescript@^3.5.1:
+  version "3.5.2"
+  resolved "https://registry.npmjs.org/typescript/-/typescript-3.5.2.tgz#a09e1dc69bc9551cadf17dba10ee42cf55e5d56c"
+  integrity sha512-7KxJovlYhTX5RaRbUdkAXN1KUZ8PwWlTzQdHV6xNqvuFOs7+WBo10TQUqT19Q/Jz2hk5v9TQDIhyLhhJY4p5AA==
+
 uglify-js@^3.1.4:
   version "3.4.9"
   resolved "https://registry.npmjs.org/uglify-js/-/uglify-js-3.4.9.tgz#af02f180c1207d76432e473ed24a28f4a782bae3"