Lycolog

├─dist/
│ └─index.js        # Custom Actionsとして実行するファイル本体
├─node_modules/
├─src/
│ └─index.ts        # TypeScript実装
├─action.yaml       # Custom Actionsの定義
├─package-lock.json
├─package.json
├─swcrc-base.js     # SWCの設定
├─tsconfig.json     # tscの設定
└─webpack.config.js # webpackの設定

module.exports = {
    module: {
        type: 'commonjs',
    },
    jsc: {
        target: 'es2020',
        parser: {
            syntax: 'typescript',
            tsx: false,
            decorators: false,
            dynamicImport: false,
        },
        baseUrl: '.',
        paths: {
            'src/*': ['src/*'],
        },
    },
};

const path = require('path');
const swcrcBase = require(path.resolve(__dirname, 'swcrc-base'));

module.exports = {
    // エントリポイント
    entry: path.resolve(__dirname, 'src/index.ts'),
    // 出力設定
    output: {
        // クリーンアップ後に出力
        clean: true,
        // 出力ファイル名
        filename: 'index.js',
        // 出力パス
        path: path.resolve(__dirname, 'dist'),
    },
    // 設定必須なので何か指定しておく
    mode: 'production',
    // 指定してないとNode.jsのネイティブAPIが呼べない
    target: ['node'],
    module: {
        // swc-loaderの設定
        rules: [
            {
                test: /\.ts$/,
                exclude: /(node_modules)/,
                use: {
                    loader: 'swc-loader',
                    // swcrcの設定
                    options: {
                        ...swcrcBase,
                    },
                },
            },
        ],
    },
    resolve: {
        // import時のファイル拡張子を省略してる場合にパスを解決するための設定
        extensions: ['', '.ts', '.js'],
    },
};

import * as core from '@actions/core';
import * as github from '@actions/github';

const githubToken = core.getInput('GITHUB_TOKEN', { required: true });
const octokit = github.getOctokit(githubToken);

console.log('octokit', octokit);
console.log('context', github.context);
core.setOutput('RESULT_MESSAGE', 'test result message');

name: example
description: custom actions example
inputs:
  GITHUB_TOKEN:
    description: 'Repogitory GITHUB_TOKEN'
    required: true
outputs:
  RESULT_MESSAGE:
    description: 'Result message'
on:
  workflow_call:
runs:
  using: node16
  main: dist/index.js

name: run example
on:
  workflow_dispatch:
jobs:
  example:
    runs-on: ubuntu-latest
    steps:
      - name: run custom actions
        id: test
        uses: org-name/repo-name/path/to/file@sha-hash
        with:
          # Custom action側で定義されている引数(input)の設定
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: show custom actions output
        # Custom action側で定義されている出力(output)の取得
        run: echo ${{ steps.test.outputs.RESULT_MESSAGE }}

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');

module.exports = {
+  mode: 'development', 
  entry: {
    index: './src/index.js',
    print: './src/print.js',
  },
  output: {
    filename: '[name].bundle.js',
    path: path.resolve(__dirname, 'dist'),
    clean: true,
  },
  plugins: [
     new HtmlWebpackPlugin({
       title: 'Webpack',
       template: 'index.html'
     })
  ]
};

export const printMe = () => {
  console.log('I get called from print.js!');
}

import _ from 'lodash';
-import './index.css';
-import Icon from './icon.png';
+import { printMe } from './print';

function component() {
+  window.onload = printMe;
  
  const div = document.createElement('div');
  div.innerHTML = _.join(['Hello', 'webpack'], ' ');
-    div.classList.add('hello');
-
-    const img = document.createElement('img');
-    img.src = Icon;
-    div.appendChild(img);
  
  return div;
}

document.body.appendChild(component());

const path = require('path');

module.exports = {
-   entry: './src/index.js',
+  entry: {
+    index: './src/index.js',
+    print: './src/print.js',
+  },
   output: {
-    filename: 'bundle.js',
+    filename: '[name].bundle.js',
     path: path.resolve(__dirname, 'dist'),
   },
-   module: {
-    rules: [
-      {
-        test: /\.css$/i,
-        use: ['style-loader', 'css-loader'],
-      },
-      {
-        test: /\.(png|svg|jpg|jpeg|gif)$/i,
-        type: 'asset/resource',
-      },
-    ],
-  },
};

const path = require('path');

module.exports = {
  entry: {
    index: './src/index.js',
    print: './src/print.js',
  },
   output: {
     filename: '[name].bundle.js',
     path: path.resolve(__dirname, 'dist'),
+     clean: true,
   },
};

const path = require('path');
+const HtmlWebpackPlugin = require('html-webpack-plugin');

module.exports = {
  entry: {
    index: './src/index.js',
    print: './src/print.js',
  },
   output: {
     filename: '[name].bundle.js',
     path: path.resolve(__dirname, 'dist'),
     clean: true,
   },
+   plugins: [
+      new HtmlWebpackPlugin({
+        title: 'Webpack',
+      })
+   ]
};

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');

module.exports = {
  entry: {
    index: './src/index.js',
    print: './src/print.js',
  },
   output: {
     filename: '[name].bundle.js',
     path: path.resolve(__dirname, 'dist'),
     clean: true,
   },
   plugins: [
      new HtmlWebpackPlugin({
        title: 'Webpack',
+        template: 'index.html'
      })
   ]
};

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8" />
-    <title>Getting Started</title>
  </head>
  <body>
    <script src="dist/bundle.js"></script>
+    <h1>Webpack</h1>
  </body>
</html>

|- package.json
|- /dist
|- index.html
|- /src
  |- index.js

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8" />
    <title>Getting Started</title>
  </head>
  <body>
    <script src="dist/main.js"></script>
  </body>
</html>

import _ from 'lodash';

function component() {
  const div = document.createElement('div');
  div.innerHTML = _.join(['Hello', 'webpack'], ' ');

  return div;
}

document.body.appendChild(component());

const path = require('path');

module.exports = {
   entry: './src/index.js',
   output: {
    filename: 'bundle.js',
     path: path.resolve(__dirname, 'dist'),
   },
   module: {
    rules: [
      {
        test: /\.css$/i,
        use: ['style-loader', 'css-loader'],
      },
    ],
  },
};

.hello {
  color: red;
}

import _ from 'lodash';
+import './index.css';

function component() {
  const div = document.createElement('div');
  div.innerHTML = _.join(['Hello', 'webpack'], ' ');
+  div.classList.add('hello');

  return div;
}

document.body.appendChild(component());

const path = require('path');

module.exports = {
   entry: './src/index.js',
   output: {
    filename: 'bundle.js',
     path: path.resolve(__dirname, 'dist'),
   },
   module: {
    rules: [
      {
        test: /\.css$/i,
        use: ['style-loader', 'css-loader'],
      },
+      {
+        test: /\.(png|svg|jpg|jpeg|gif)$/i,
+        type: 'asset/resource',
+      },
    ],
  },
};

import _ from 'lodash';
import './index.css';
+import Icon from './icon.png';

function component() {
  const div = document.createElement('div');
  div.innerHTML = _.join(['Hello', 'webpack'], ' ');
  div.classList.add('hello');

+  const img = document.createElement('img');
+  img.src = Icon;
+  div.appendChild(img);

  return div;
}

document.body.appendChild(component());