add typescript support

.gitignore

@@ -3,4 +3,4 @@ coverage
 .nyc_output
 yarn.lock
 .project
-
+dist

package.json

@@ -7,7 +7,6 @@
   "files": [
     "lib"
   ],
-  "main": "lib",
   "type": "module",
   "keywords": [
     "development",
@@ -42,7 +41,8 @@
     "xo": "^0.53.1",
     "yeoman-assert": "^3.1.1",
     "yeoman-environment": "^3.12.1",
-    "yeoman-test": "^6.0.0"
+    "yeoman-test": "^6.0.0",
+    "typescript": "^4.9.3"
   },
   "license": "BSD-2-Clause",
   "repository": "yeoman/generator",
@@ -56,7 +56,9 @@
     "doc": "npm run doc:generate && npm run doc:fix && npm run doc:prettier",
     "doc:generate": "jsdoc -c jsdoc.json -d $npm_package_config_doc_path$DOC_FOLDER",
     "doc:prettier": "prettier $npm_package_config_doc_path$DOC_FOLDER --write --ignore-path .prettierignore-doc",
-    "doc:fix": "sed -i -e 's:^[[:space:]]*<!--[[:space:]]*$::g' -e 's:^[[:space:]]*-->[[:space:]]*$::g' $npm_package_config_doc_path$DOC_FOLDER/global.html || true"
+    "doc:fix": "sed -i -e 's:^[[:space:]]*<!--[[:space:]]*$::g' -e 's:^[[:space:]]*-->[[:space:]]*$::g' $npm_package_config_doc_path$DOC_FOLDER/global.html || true",
+    "prepare": "npm run build",
+    "build": "tsc"
   },
   "dependencies": {
     "chalk": "^5.1.2",
@@ -79,5 +81,14 @@
     "yeoman-environment": {
       "optional": true
     }
+  },
+  "exports": {
+    ".": {
+      "default": "./dist/index.js"
+    },
+    "./typed": {
+      "types": "./dist/index.d.js",
+      "default": "./dist/index.js"
+    }
   }
-}
+}

tsconfig.json

@@ -0,0 +1,33 @@
+{
+  "include": ["src/**/*"],
+  "compilerOptions": {
+    /* Language and Environment */
+    "target": "ES2022" /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */,
+    "lib": ["ES2022"] /* Specify a set of bundled library declaration files that describe the target runtime environment. */,
+    "types": [],
+
+    /* Modules */
+    "module": "node16" /* Specify what module code is generated. */,
+    "rootDir": "./src" /* Specify the root folder within your source files. */,
+    "resolveJsonModule": true,
+
+    /* JavaScript Support */
+    "allowJs": true /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */,
+
+    /* Emit */
+    "outDir": "./dist" /* Specify an output folder for all emitted files. */,
+    "declaration": true,
+
+    /* Interop Constraints */
+    "allowSyntheticDefaultImports": true /* Allow 'import x from y' when a module doesn't have a default export. */,
+    "esModuleInterop": true /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */,
+    "forceConsistentCasingInFileNames": true /* Ensure that casing is correct in imports. */,
+
+    /* Type Checking */
+    "strict": true /* Enable all strict type-checking options. */,
+    "noImplicitAny": false,
+
+    /* Completeness */
+    "skipLibCheck": true /* Skip type checking all .d.ts files. */
+  }
+}

tsconfig.spec.json

@@ -0,0 +1,8 @@
+{
+  "include": ["**/*"],
+  "exclude": [],
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "types": ["mocha"]
+  }
+}