test(test): remove temp files after test run

@packages/test-environment/package.json

@@ -0,0 +1,32 @@
+{
+  "name": "@commitlint/test-environment",
+  "version": "8.3.5",
+  "description": "test environment for @commitlint",
+  "main": "lib/test-environment.js",
+  "types": "lib/test-environment.d.ts",
+  "files": [
+    "lib/"
+  ],
+  "engines": {
+    "node": ">=8"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/conventional-changelog/commitlint.git"
+  },
+  "bugs": {
+    "url": "https://github.com/conventional-changelog/commitlint/issues"
+  },
+  "homepage": "https://github.com/conventional-changelog/commitlint#readme",
+  "keywords": [
+    "conventional-changelog",
+    "commitlint",
+    "test",
+    "cli"
+  ],
+  "license": "MIT",
+  "dependencies": {
+    "@types/tmp": "^0.1.0",
+    "tmp": "0.1.0"
+  }
+}

@packages/test-environment/src/test-environment.ts

@@ -0,0 +1,15 @@
+// https://github.com/raszi/node-tmp/issues/229
+import NodeEnvironment from 'jest-environment-node';
+import tmp from 'tmp';
+
+class TestEnvironment extends NodeEnvironment {
+	async setup() {
+		await super.setup();
+
+		tmp.setGracefulCleanup();
+
+		this.global.tmp = tmp;
+	}
+}
+
+export default TestEnvironment;

@packages/test-environment/tsconfig.json

@@ -0,0 +1,15 @@
+{
+    "extends": "../../tsconfig.shared.json",
+    "compilerOptions": {
+        "composite": true,
+        "rootDir": "./src",
+        "outDir": "./lib"
+    },
+    "include": [
+        "./src/**/*.ts"
+    ],
+    "exclude": [
+        "./src/**/*.test.ts",
+        "./lib/**/*"
+    ]
+}

@packages/test/src/fix.ts

@@ -1,8 +1,11 @@
-import tmp from 'tmp';
 import fs from 'fs-extra';
 import path from 'path';
 import pkgDir from 'pkg-dir';
 
+declare global {
+	var tmp: typeof import('tmp');
+}
+
 export async function bootstrap(fixture?: string, directory?: string) {
 	const tmpDir = tmp.dirSync({
 		keep: false,

jest.config.js

@@ -1,6 +1,6 @@
 module.exports = {
 	preset: 'ts-jest/presets/js-with-babel',
-	testEnvironment: 'node',
+	testEnvironment: '@commitlint/test-environment',
 	testRegex: undefined,
 	testMatch: [
 		'**/*.test.ts?(x)',

tsconfig.json

@@ -3,6 +3,7 @@
     "include": [],
     "extends": "./tsconfig.shared.json",
     "references": [
+        { "path": "@packages/test-environment" },
         { "path": "@packages/test" },
         { "path": "@commitlint/ensure" },
         { "path": "@commitlint/execute-rule" },

yarn.lock

@@ -2036,21 +2036,11 @@
   resolved "https://registry.npmjs.org/@types/minimatch/-/minimatch-3.0.3.tgz#3dca0e3f33b200fc7d1139c0cd96c1268cadfd9d"
   integrity sha512-tHq6qdbT9U1IRSGf14CL0pUlULksvY9OZ+5eEgl1N7t+OA3tGvNpxJCzuKQlsNgCVwbAs670L1vcVQi8j9HjnA==
 
-"@types/node@*":
-  version "12.0.2"
-  resolved "https://registry.npmjs.org/@types/node/-/node-12.0.2.tgz#3452a24edf9fea138b48fad4a0a028a683da1e40"
-  integrity sha512-5tabW/i+9mhrfEOUcLDu2xBPsHJ+X5Orqy9FKpale3SjDA17j5AEpYq5vfy3oAeAHGcvANRCO3NV3d2D6q3NiA==
-
-"@types/[email protected]":
+"@types/node@*", "@types/[email protected]", "@types/node@>= 8":
   version "12.12.26"
   resolved "https://registry.npmjs.org/@types/node/-/node-12.12.26.tgz#213e153babac0ed169d44a6d919501e68f59dea9"
   integrity sha512-UmUm94/QZvU5xLcUlNR8hA7Ac+fGpO1EG/a8bcWVz0P0LqtxFmun9Y2bbtuckwGboWJIT70DoWq1r3hb56n3DA==
 
-"@types/node@>= 8":
-  version "13.5.0"
-  resolved "https://registry.npmjs.org/@types/node/-/node-13.5.0.tgz#4e498dbf355795a611a87ae5ef811a8660d42662"
-  integrity sha512-Onhn+z72D2O2Pb2ql2xukJ55rglumsVo1H6Fmyi8mlU9SvKdBk/pUSUAiBY/d9bAOF7VVWajX3sths/+g6ZiAQ==
-
 "@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"