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 }}

name: Post to slack example
on:
  workflow_dispatch:
jobs:
  post-slack:
    runs-on: ubuntu-latest
    steps:

- uses: actions/github-script@v6
  id: set-result
  with:
    result-encoding: string
    script: |
      const { data: respPulls } = await github.rest.pulls.list({
        owner: context.repo.owner,
        repo: context.repo.repo,
      });

      console.log(respPulls);

type PullRequest = {
  id: number;
  reviewers: string[];
};

const getReviewersName = (requested_reviewers) => {
  return requested_reviewers.map((reviewers) => {
    return reviewers.login;
  });
};

const getPullRequests = (pulls) => {
  return pulls.map((pull) => {
    return {
      id: pull.number,
      reviewers: getReviewersName(pull.requested_reviewers),
    };
  });
};

const pulls = getPullRequests(respPulls);

@foo @bar
https://example.com/pulls/1

const encodedMessages = pulls.reduce((messages, pull) => {
  const reviewersBuff = pull.reviewers
    .reduce((acc, cur) => {
      return `${acc}${cur} `;
    }, '')
    .replace(/ $/, '');

  const reviewers = reviewersBuff === '' ? 'レビュアー未設定' : reviewersBuff;

  const message = `${reviewers}\\nhttps://example.com/pulls/${pull.id}`;
  const encodedMessage = Buffer.from(message).toString('Base64');

  return `${messages}${encodedMessage} `;
}, '');

return encodedMessages;

      - run: |
        postSlack() {
            local mes=$1

            curl -sS https://slack.com/api/chat.postMessage \
                -H 'Authorization: Bearer ${{ secrets.SLACK_TOKEN }}' \
                -H 'Content-Type: application/json; charset=UTF-8' \
                -d @- <<EOF
                {
                    token: "${{ secrets.SLACK_TOKEN }}",
                    channel: "#api-test",
                    text: "$mes"
                }
        EOF
        }

        encodedMessages=(${{steps.set-result.outputs.result}})

        for message in ${encodedMessages[@]}
        do
            decoded_mes=$(echo ${message} | base64 -di)
            postSlack "$decoded_mes"
        done

name: Post to slack example
on:
  workflow_dispatch:
jobs:
  post-slack:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/github-script@v6
        id: set-result
        with:
          result-encoding: string
          script: |
            const getReviewersName = (requested_reviewers) => {
              return requested_reviewers.map((reviewers) => {
                return reviewers.login;
              });
            };

            const getPullRequests = (pulls) => {
              return pulls.map((pull) => {
                return {
                  id: pull.number,
                  reviewers: getReviewersName(pull.requested_reviewers),
                }
              });
            }

            const { data: respPulls } = await github.rest.pulls.list({
              owner: context.repo.owner,
              repo: context.repo.repo,
            });

            const pulls = getPullRequests(respPulls);

            const encodedMessages = pulls.reduce((messages, pull) => {
              const reviewersBuff = pull.reviewers.reduce((acc, cur) => {
                return `${acc}${cur} `
              }, '').replace(/ $/, '');

              const reviewers = reviewersBuff === '' ? 'レビュアー未設定' : reviewersBuff;

              const message = `${reviewers}\\nhttps://example.com/pulls/${pull.id}`;
              const encodedMessage = Buffer.from(message).toString('Base64');

              return `${messages}${encodedMessage} `
            }, '');


            return encodedMessages;
      - run: |
          postSlack() {
            local mes=$1

            curl -sS https://slack.com/api/chat.postMessage \
                -H 'Authorization: Bearer ${{ secrets.SLACK_TOKEN }}' \
                -H 'Content-Type: application/json; charset=UTF-8' \
                -d @- <<EOF
                {
                    token: "${{ secrets.SLACK_TOKEN }}",
                    channel: "#api-test",
                    text: "$mes"
                }
          EOF
          }

          encodedMessages=(${{steps.set-result.outputs.result}})

          for message in ${encodedMessages[@]}
          do
              decoded_mes=$(echo ${message} | base64 -di)
              postSlack "$decoded_mes"
          done

└─.github/
   └─workflows/
       ├─.actions/
       │   ├─action.yaml
       │   └─index.js
       └─test.yaml

name: test
on:
  workflow_dispatch:
jobs:
  example:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: ./.github/workflows/actions
        with:
          param1: 'xxx'

name: test actions
description: test
runs:
  using: 'node16'
  main: 'index.js'

console.log(123);

name: outputs sharing example
on:
  pull_request:
jobs:
  first:
    runs-on: ubuntu-latest
    outputs:
      # <out-job-name>: ${{ steps.<step-id>.outputs.<in-job-name> }}
      baz: ${{ steps.foo.outputs.bar }}
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0
      - id: foo
        # この場合、FOO-BARという値がセットされる
        run: echo "::set-output name=bar::$(echo FOO-BAR)"
      - id: test
        # steps.<step-id>.outputs.<in-job-name>
        run: echo "${{ steps.foo.outputs.bar }}"
  second:
    needs: [first]
    runs-on: ubuntu-latest
    steps:
      - id: test
        # needs.<job-id>.outputs.<out-job-name>
        run: echo "${{ needs.first.outputs.baz }}"

opened: PRが開いたとき
reopened: PRが開き直されたとき
synchronize: PRに対してPushが走ったとき

name: testing on opend PR to main
on:
  pull_request:
    branches:
      - main
    types:
      - opened
      - reopened
      - synchronize
jobs:
  # 事前ブランチチェック
  before-check:
    runs-on: ubuntu-latest
    steps:
      - name: fail case
        if: startsWith(github.head_ref, 'test/') && github.base_ref == 'main'
        # test/* ブランチから main ブランチ宛である場合
        # exit 1で終了することで Workflow を failure 扱いにする
        # https://docs.github.com/ja/actions/creating-actions/setting-exit-codes-for-actions
        run: exit 1
        # 前の if に入らなければ、そのまま次のジョブにつながる
  after-exec:
    # 指定されたジョブの成功を要求、失敗している場合、このジョブを実行しない
    # 必然的に線形実行になる（並列では走らない）
    needs: [before-check]
    runs-on: ubuntu-latest
    steps:
      - name: TEST!
        run: echo "RUN after-exec"