やること
tsc で lib/ にビルドした後に ncc で再びビルドし、 dist/index.js の 1ファイルにまとめる
メリット
- 軽い
- minify がお手軽に行える(
-mオプションをつけるだけ) - 圧縮率が良い感じ(?)(未検証)
- webpack 等の複雑な設定ファイルを書かなくて良い
こんなところに感じた
package.json
主なオプション
- main: lib/main.js
- scripts
- build: "tsc"
- pack: "ncc build -m"
build の後 pack を実行する
{
"name": "add-issue-links",
"version": "1.0.3",
"description": "A GitHub Action for adding an issue reference to a pull request.",
"main": "lib/main.js",
"scripts": {
"build": "tsc",
"format": "prettier --write \"{src,test}/**/{*.ts,*.tsx,*.js,*.jsx}\"",
"format:check": "prettier --check \"{src,test}/**/{*.ts,*.tsx,*.js,*.jsx}\"",
"lint": "eslint \"{src,apps,libs,test}/**/{*.spec.ts,*.ts,*.tsx,*.js,*.jsx}\"",
"lint:fix": "eslint \"{src,apps,libs,test}/**/{*.ts,*.tsx,*.js,*.jsx}\" --fix",
"test": "jest --passWithNoTests",
"test:watch": "jest --watch",
"test:cov": "jest --coverage",
"pack": "ncc build -m",
"all": "npm run format && npm run lint && npm test && npm run build && npm run pack"
},
"author": "tktcorporation",
"license": "MIT",
"dependencies": {
"@actions/core": "^1.2.3",
"@actions/github": "^2.1.1"
},
"devDependencies": {
"@types/jest": "^25.1.4",
"@types/node": "^13.9.2",
"@typescript-eslint/parser": "^2.24.0",
"@zeit/ncc": "^0.22.3",
"eslint": "^6.8.0",
"eslint-plugin-github": "^3.4.1",
"eslint-plugin-jest": "^23.8.2",
"jest": "^25.1.0",
"prettier": "^1.19.1",
"ts-jest": "^25.2.1",
"typescript": "^3.9.7"
}
}
tsconfig.js
tsc の 実行用
- module: "commonjs"
- outDir: "./lib"
{
"compilerOptions": {
"module": "commonjs",
"declaration": true,
"removeComments": true,
"emitDecoratorMetadata": true,
"experimentalDecorators": true,
"strictPropertyInitialization": true,
"strict": true,
"noImplicitAny": true,
"strictNullChecks": true,
"target": "es2019",
"sourceMap": true,
"outDir": "./lib",
"baseUrl": "./",
"incremental": true
},
"include": [
"**/src/**/*"
],
"exclude": [
"node_modules",
"test",
"__test__",
"dist",
"lib",
"**/*spec.ts",
]
}