adds copy package.json option

.github/workflows/cicd.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [20.x]
+        node-version: [18.x, 20.x]
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
@@ -31,10 +31,12 @@ jobs:
       - name: Run build process
         run: |
           yarn build
+          yarn build:example
 
       - name: Run testing
         run: |
           yarn test
+          yarn test:example
         env:
           COVERAGE: 1
 

.swcrc

@@ -1,7 +1,7 @@
 {
   "module": {
     "type": "nodenext",
-    "strict": true
+    "resolveFully": true
   },
   "jsc": {
     "target": "esnext",

README.md

@@ -33,6 +33,11 @@ Use option `-p` to adjust `package.json` with following changes
 }
 ```
 
+Use option `-i` to ignore specific patterns
+```bash
+npx inop src build -i __tests__ -i __mocks__
+```
+
 As for module declarations and typechecking use the following command, since swc does not support them yet
 ```bash
 tsc --declaration --emitDeclarationOnly
@@ -43,11 +48,11 @@ Here is the recommended `tsconfig.json`
 {
   "compilerOptions": {
     ...
-    "target": "esnext",
-    "module": "ESNext",
+    "target": "ESNext",
+    "module": "NodeNext",
     "declaration": true,
     "esModuleInterop": true,
-    "moduleResolution": "nodenext",
+    "moduleResolution": "NodeNext",
     ...
   },
   ...

example/package.json

@@ -0,0 +1,18 @@
+{
+  "name": "example",
+  "description": "",
+  "version": "1.0.0",
+  "type": "module",
+  "main": "build/index.cjs",
+  "scripts": {
+    "build": "../bin/inop.js src build -p -c -i __tests__",
+    "test": "node ./build/index.js"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "@swc/core": "^1.3.63",
+    "fast-glob": "^3.2.12"
+  }
+}

example/src/A.ts

@@ -0,0 +1,12 @@
+import { strict as assert } from 'assert';
+import { transform } from '@swc/core';
+import glob from 'fast-glob';
+
+export class A {
+  transform = transform;
+
+  constructor(public value: number){
+    assert.equal(typeof value, 'number');
+    glob('');
+  }
+}

example/src/__tests__/index.ts

@@ -0,0 +1,7 @@
+import '../index';
+
+describe('Example test', () => {
+  it('should work', () => {
+    expect(true).toBe(true);
+  });
+});

example/src/index.ts

@@ -0,0 +1,17 @@
+import { randomInt } from 'crypto';
+export { createServer } from 'http';
+import { A } from './A';
+
+export * from './A';
+
+export const a = new A(randomInt(10));
+
+export type Type = unknown;
+
+export class C {}
+
+const b = {};
+
+export { b };
+
+export default new A(1);

package.json

@@ -8,8 +8,10 @@
     "inop": "bin/inop.js"
   },
   "scripts": {
-    "build": "rm -rf build && swc ./src -d build && rm -rf build/__tests__ && tsc --declaration --emitDeclarationOnly",
-    "test": "jest"
+    "build": "rm -rf build && swc --ignore __tests__ ./src -d build && tsc --declaration --emitDeclarationOnly",
+    "test": "jest",
+    "build:example": "(cd example && npm run build)",
+    "test:example": "(cd example && npm run test)"
   },
   "engines": {
     "node": ">=16"
@@ -41,7 +43,7 @@
   ],
   "dependencies": {
     "@swc/core": "^1.3.63",
-    "commander": "^10.0.1",
+    "commander": "^11.0.0",
     "fast-glob": "^3.2.12"
   },
   "devDependencies": {

src/index.ts

@@ -18,6 +18,7 @@ commander
   .option('-s, --swcrc <swcrc>', 'swcrc path', '.swcrc')
   .option('-i, --ignore [ignore...]', 'ignore patterns')
   .option('-p, --package', 'adjust package.json according to main property')
+  .option('-c, --copy', 'copy package.json to build directory with optimized dependencies')
   .option('--commonjs-ext [commonjs-ext]', 'file extension of CommonJS files', '.cjs')
   .option('--esm-ext [esm-ext]', 'file extension of ESM files', '.js')
   .option('--skip-commonjs', 'do not generate CommonJS files')

src/utils.ts

@@ -29,14 +29,24 @@ export const setNodeExtension = (node: swc.StringLiteral, extension: string) =>
 };
 
 export class ModuleVisitor extends Visitor {
+  public readonly modules = new Set<string>();
+
   constructor(public extension: string) {
     super();
   }
 
   visitModuleDeclaration(decl: swc.ModuleDeclaration) {
     if ('source' in decl) {
-      if (decl.source?.type === 'StringLiteral' && isLocalFile.test(decl.source.value)) {
-        setNodeExtension(decl.source, this.extension);
+      if (decl.source?.type === 'StringLiteral') {
+        if (isLocalFile.test(decl.source.value)) {
+          setNodeExtension(decl.source, this.extension);
+        } else {
+          const moduleName = decl.source.value.split('/').slice(
+            0,
+            decl.source.value.startsWith('@') ? 2 : 1,
+          ).join('/');
+          this.modules.add(moduleName);
+        }
       }
     }
     if ('expression' in decl) {
@@ -46,16 +56,16 @@ export class ModuleVisitor extends Visitor {
     }
     return super.visitModuleDeclaration(decl);
   }
-  visitTsType(decl: swc.TsType){
+  visitTsType(decl: swc.TsType) {
     return decl;
   }
 }
 
-export const patchCJS = (config: swc.Config, extension: string): Config => {
-  const visitor = new ModuleVisitor(extension);
+export const patchCJS = (config: swc.Config, visitor: ModuleVisitor): Config => {
   return {
     ...config,
     module: {
+      strict: true,
       ...config?.module,
       type: 'commonjs',
     },
@@ -72,8 +82,7 @@ export const patchCJS = (config: swc.Config, extension: string): Config => {
     },
   };
 };
-export const patchMJS = (config: swc.Config, extension: string): Config => {
-  const visitor = new ModuleVisitor(extension);
+export const patchMJS = (config: swc.Config, visitor: ModuleVisitor): Config => {
   return {
     ...config,
     module: {
@@ -123,15 +132,18 @@ interface TransformCommandOptions {
   esmExt: string;
   skipEsm: boolean;
   package?: boolean;
+  copy?: boolean;
 }
 
-const defaultSwcrc = {
+const defaultSwcrc: swc.Config = {
   module: {
-    strict: true,
+    type: 'es6',
   },
   jsc: {
     target: 'es2022',
-    parser: {},
+    parser: {
+      syntax: 'typescript',
+    },
   },
 };
 
@@ -158,9 +170,11 @@ export const patchPackageJSON = async ({ name, version, description, main }: Rec
 
 export const transformCommand = async (source: string, build: string, options: TransformCommandOptions) => {
   const swcrcFilepath = isLocalFile.test(options.swcrc) ? Path.resolve(options.swcrc) : options.swcrc;
-  const swcrcConfig = await fileNotExist(swcrcFilepath) ? defaultSwcrc : await readJSON(swcrcFilepath);
-  const swcrcCJS = patchCJS(swcrcConfig, options.commonjsExt);
-  const swcrcMJS = patchMJS(swcrcConfig, options.esmExt);
+  const swcrcConfig: swc.Config = await fileNotExist(swcrcFilepath) ? defaultSwcrc : await readJSON(swcrcFilepath);
+  const visitorCJS = new ModuleVisitor(options.commonjsExt);
+  const swcrcCJS = patchCJS(swcrcConfig, visitorCJS);
+  const visitorMJS = new ModuleVisitor(options.esmExt);
+  const swcrcMJS = patchMJS(swcrcConfig, visitorMJS);
 
   const sourceDir = Path.resolve(source);
   const buildDir = Path.resolve(build);
@@ -183,16 +197,33 @@ export const transformCommand = async (source: string, build: string, options: T
   }
   if (options.package) {
     const packageJSONPath = Path.resolve('./package.json');
+    const packageJSONTargetPath = options.copy
+      ? Path.resolve(buildDir, './package.json')
+      : packageJSONPath;
+
     if (await fileNotExist(packageJSONPath)) {
       throw new Error(`File package.json not found at ${packageJSONPath}`);
     }
 
-    const { name, version, description, main, ...rest } = await readJSON(packageJSONPath);
+    const { name, version, description, main, dependencies, devDependencies, ...rest } = await readJSON(packageJSONPath);
     if (await fileNotExist(main)) {
-      throw new Error(`File ${main} not found`);
+      throw new Error(`File ${main} of "main" section in package.json not found`);
+    }
+
+    if (options.copy) {
+      const deps = { ...devDependencies, ...dependencies };
+      rest.dependencies = {};
+      for (const moduleName of visitorMJS.modules) {
+        if (deps[moduleName]) {
+          rest.dependencies[moduleName] = deps[moduleName];
+        }
+      }
+    } else {
+      rest.dependencies = dependencies;
+      rest.devDependencies = devDependencies;
     }
 
     const patchedPackageJSON = await patchPackageJSON({ name, version, description, main }, buildDir, sourceDir, sourceFiles, options);
-    await writeJSON(packageJSONPath, { ...patchedPackageJSON, ...rest });
+    await writeJSON(packageJSONTargetPath, { ...patchedPackageJSON, ...rest });
   }
 };

tsconfig.json

@@ -1,8 +1,8 @@
 {
   "compilerOptions": {
     "target": "ESNext",
-    "module": "ESNext",
-    "moduleResolution": "nodenext",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
     "esModuleInterop": true,
     "rootDir": "src",
     "outDir": "build"