[#1] 프로젝트 셋업 / TDD를 위한 deeplyCopy 테스트 코드 작성 / Dual Package 지원

.github/workflows/run-test-actions.yml

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+name: Run Jest Tests on Pull Request
+
+on:
+  # Triggers the workflow on pull request events but only for the "feature/*" branch
+  pull_request:
+    branches: ["main"]
+    paths-ignore: # Ensure this is also considered to ignore certain paths if needed
+      - '!feature/1' # Exclude the specific branch
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+jobs:
+  test:
+    if: github.head_ref != 'feature/1' # Condition to exclude the branch
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: "20"
+
+      - name: Install pnpm
+        run: npm install -g pnpm
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - name: Run Jest tests
+        run: pnpm test -- --coverage

.gitignore

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+# Node.js 관련 무시 파일
+node_modules/
+npm-debug.log
+
+# OS별 무시 파일
+.DS_Store
+Thumbs.db
+
+# 특정 IDE 및 편집기 관련 무시 파일
+.vscode/
+.idea/
+
+# 로그 파일
+*.log
+
+# 환경 설정 파일
+.env
+
+# 빌드 디렉토리
+dist/
+
+# test file
+src/foo.*
+

.npmignore

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+src/

.prettierrc

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+{
+  "semi": true,
+  "trailingComma": "all",
+  "singleQuote": true,
+  "printWidth": 80,
+  "tabWidth": 2,
+  "arrowParens": "always",
+  "endOfLine": "lf"
+}

README.md

@@ -1,2 +1,9 @@
 # deeply-copy
-custom deep copy function to make a brand new immutable object
+
+A custom deep copy function to make a brand new immutable object. It handles copying self reference object or array.
+
+깊은 복사를 해 불변 객체로 반환한다. 모든 데이터 타입 복사가 가능하고, 객체나 배열의 순환 참조도 핸들링한다.
+
+# 프로젝트 인스톨 방법
+
+[pnpm 설치](https://pnpm.io/installation) 후 `pnpm install` 실행

babel.config.js

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+export default {
+  presets: [['@babel/preset-env', { targets: { node: 'current' } }]],
+};

build/cjs/index.cjs

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.deeplyCopy = void 0;
+function deeplyCopy(target) { }
+exports.deeplyCopy = deeplyCopy;
+//# sourceMappingURL=index.js.map

build/cjs/index.d.ts

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+export declare function deeplyCopy(target: any): any;
+//# sourceMappingURL=index.d.ts.map

build/esm/index.d.ts

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+export declare function deeplyCopy(target: any): any;
+//# sourceMappingURL=index.d.ts.map

cjs/package.json

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+{
+  "type": "commonjs"
+}

cjs/tsconfig.json

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+{
+  "extends": "../tsconfig.json",
+  "compilerOptions": {
+    "module": "CommonJS",
+    "outDir": "../build/cjs"
+  }
+}

eslint.config.js

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+// @ts-check
+import { includeIgnoreFile } from '@eslint/compat';
+import path from 'node:path';
+import eslint from '@eslint/js';
+import tseslint from 'typescript-eslint';
+import eslintConfigPrettier from 'eslint-config-prettier';
+import { fileURLToPath } from 'node:url';
+import eslintPluginPrettierRecommended from 'eslint-plugin-prettier/recommended';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+const gitignorePath = path.resolve(__dirname, '.gitignore');
+
+export default tseslint.config(
+  eslint.configs.recommended,
+  ...tseslint.configs.strict,
+  ...tseslint.configs.stylistic,
+  eslintConfigPrettier,
+  includeIgnoreFile(gitignorePath),
+  eslintPluginPrettierRecommended,
+);

esm/package.json

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+{
+  "type": "module"
+}

esm/tsconfig.json

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+{
+  "extends": "../tsconfig.json",
+  "compilerOptions": {
+    "module": "ES2020",
+    "moduleResolution": "Node",
+    "outDir": "../build/esm"
+  }
+}

jest.config.js

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+/** @type {import('ts-jest').JestConfigWithTsJest} */
+export default {
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+  rootDir: './src',
+};

package.json

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+{
+  "name": "deeply-copy",
+  "version": "1.0.1-canary.10.0",
+  "description": "custom deep copy function to make a brand new immutable object",
+  "type": "module",
+  "main": "./build/esm/index.js",
+  "exports": {
+    ".": {
+      "import": {
+        "types": "./build/esm/index.d.ts",
+        "default": "./build/esm/index.js"
+      },
+      "require": {
+        "types": "./build/cjs/index.d.js",
+        "default": "./build/cjs/index.cjs"
+      }
+    }
+  },
+  "scripts": {
+    "test": "jest",
+    "build": "npm run build:cjs && npm run build:esm && npm run build:rename && npm run rename",
+    "build:cjs": "tsc --p ./cjs/tsconfig.json",
+    "build:esm": "tsc --p ./esm/tsconfig.json",
+    "build:rename": "npx tsc renameFiles.ts",
+    "build:clean": "rm -rf ./build",
+    "rename": "node renameFiles.js",
+    "lint": "pnpm eslint",
+    "lint:fix": "npx eslint . --fix"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/f-lab-edu/deeply-copy.git"
+  },
+  "keywords": [
+    "deepCopy",
+    "deepClone"
+  ],
+  "author": "Kangsik Kevin Lee",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/f-lab-edu/deeply-copy/issues"
+  },
+  "homepage": "https://github.com/f-lab-edu/deeply-copy#readme",
+  "devDependencies": {
+    "@babel/core": "^7.24.7",
+    "@babel/preset-env": "^7.24.7",
+    "@babel/preset-typescript": "^7.24.7",
+    "@eslint/compat": "^1.1.0",
+    "@eslint/js": "^9.5.0",
+    "@jest/globals": "^29.7.0",
+    "@types/eslint__js": "^8.42.3",
+    "@types/jest": "^29.5.12",
+    "@types/node": "^20.14.9",
+    "babel-jest": "^29.7.0",
+    "eslint": "^9.5.0",
+    "eslint-config-prettier": "^9.1.0",
+    "eslint-plugin-prettier": "^5.1.3",
+    "jest": "^29.7.0",
+    "prettier": "3.3.2",
+    "ts-jest": "^29.1.5",
+    "typescript": "^5.4.5",
+    "typescript-eslint": "^7.13.1"
+  }
+}