Improve bundle size

.npmignore

@@ -0,0 +1,8 @@
+coverage
+src
+tslint.json
+tsconfig.json
+jest.config.js
+codecov.yml
+.travis.yml
+.editorconfig

jest.config.js

@@ -1,18 +1,4 @@
 module.exports = {
-  transform: {
-    '^.+\\.tsx?$': 'ts-jest'
-  },
+  preset: 'ts-jest',
   testEnvironment: 'node',
-  testMatch: ['**/*.spec.ts'],
-  moduleFileExtensions: [
-    'ts',
-    'js',
-    'json'
-  ],
-  globals: {
-    'ts-jest': {
-      tsConfigFile: './tsconfig.json',
-    }
-  },
-  moduleNameMapper: require('./dist')(),
-};
+};

package.json

@@ -3,6 +3,7 @@
   "version": "0.1.2",
   "description": "Synchronization tsconfig paths with Jest (module name mapper)",
   "main": "dist/index.js",
+  "typings": "dist/index.d.ts",
   "repository": "https://github.com/sebastianmusial/jest-module-name-mapper",
   "author": "Sebastian Musiał",
   "license": "MIT",
@@ -20,8 +21,10 @@
     "tests"
   ],
   "scripts": {
-    "clear": "rimraf dist",
-    "build": "yarn clear && tsc",
+    "clear": "tsc -b --clean",
+    "prebuild": "yarn clear && yarn generate",
+    "build": "tsc -b --force",
+    "generate": "dts-generator --name jest-module-name-mapper --project ./tsconfig.json --out dist/index.d.ts --main jest-module-name-mapper/index --prefix jest-module-name-mapper",
     "start": "nodemon --watch src --ext ts --ignore '*.spec.ts' --exec ts-node src/index.ts",
     "lint": "tslint --config tslint.json --project tsconfig.json",
     "pretest": "yarn lint",
@@ -44,15 +47,16 @@
     "chalk": "^2.4.2"
   },
   "devDependencies": {
-    "@types/jest": "^23.3.12",
+    "@types/jest": "^25.1.3",
     "@types/node": "^10.12.18",
-    "tslib": "^1.11.1",
+    "dts-generator": "^3.0.0",
     "husky": "^1.3.1",
-    "nodemon": "^1.18.9",
     "jest": "^25.1.0",
-    "ts-jest": "^23.10.5",
-    "ts-node": "^7.0.1",
-    "tslint": "^5.12.0",
-    "typescript": "^3.2.2"
+    "nodemon": "^2.0.2",
+    "ts-jest": "^25.2.1",
+    "ts-node": "^8.6.2",
+    "tslib": "^1.11.1",
+    "tslint": "^6.0.0",
+    "typescript": "^3.8.3"
   }
 }

src/index.ts

@@ -1,5 +1,3 @@
 import { moduleNameMapper } from './path.factory';
 
-const bootstrap = (path?: string) => moduleNameMapper(path);
-
-module.exports = bootstrap;
+export const bootstrap = (path?: string) => moduleNameMapper(path);

tsconfig.json

@@ -1,13 +1,15 @@
 {
   "compilerOptions": {
     "baseUrl": "./",
-    "outDir": "./dist/",
+    "rootDir": "src",
+    "outDir": "dist",
     "emitDecoratorMetadata": true,
     "experimentalDecorators": true,
+    "esModuleInterop": true,
     "module": "commonjs",
     "resolveJsonModule": true,
     "moduleResolution": "node",
-    "sourceMap": true,
+    "sourceMap": false,
     "noImplicitAny": false,
     "noEmitOnError": true,
     "forceConsistentCasingInFileNames": true,
@@ -24,15 +26,15 @@
       "dom",
       "es2017"
     ],
-    "typeRoots": [
-      "./node_modules/@types"
-    ],
     "paths": {
-      "@src/*": ["src/*"]
+      "@src/*": [
+        "src/*"
+      ]
     }
   },
-  "include": [
-    "./node_modules/@types",
-    "./src/**/*.ts"
+  "exclude": [
+    "dist",
+    "src/**/*.spec.ts",
+    "src/mocks/*"
   ]
 }