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);