Working with Workflow Annotations

echo "::error file=main.js,line=10,col=5::Failed to parse JSON"

name: Build
on: [push]
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Check for syntax errors
        run: |
          if ! grep -q "valid" main.js; then
            echo "::error file=main.js,line=5::Syntax error in function"
          fi

echo "::warning file=src/main.js,line=15,col=5::Use of deprecated function 'oldMethod'"

echo "::notice file=src/main.js,line=15,column=5::Found 10 issues in the code review"

name: Annotation Example
on: [push]
jobs:
  annotate:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
      - name: Set annotation file
        run: |
          echo '{"file": "src/main.js", "line": 10, "message": "This line is problematic"}' > annotations.json

name: Annotation Example
on: [push]

jobs:
  annotate:
    runs-on: ubuntu-latest
    steps:
      - name: Annotate Specific Line
        run: |
          echo "::warning file=src/main.js,line=10,endLine=15::This is a multi-line warning"

name: Example Workflow
on: [push]
jobs:
  example-job:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Code
        uses: actions/checkout@v4
      - name: Annotate with Column
        run: |
          echo "::warning file=src/main.js,line=10,column=5::This is a warning with column specified"

name: "Example Workflow"
on:
  push:
    branches: [ main ]

jobs:
  example-job:
    runs-on: ubuntu-latest
    steps:
      - name: "Set Annotation with Title"
        run: |
          echo "::warning title=My Custom Title::This is a warning with a custom title."

name: Example Workflow with Problem Matchers
on: [push]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Run build
        run: |
          echo "Error in file example.js:10"
          echo "Warning in file test.js:5"

      - name: Add problem matcher
        uses: actions/github-script@v7
        with:
          script: |
            const fs = require('fs');
            const matcher = {
              owner: "my-owner",
              severity: "error",
              message: "Error in file {0}",
              file: "{0}",
              line: "{1}",
              column: "{2}"
            };
            fs.writeFileSync('.github/problem-matcher.json', JSON.stringify(matcher));

{
  "owner": "my-linter",
  "pattern": [
    {
      "regexp": "^\\s*(.+):(\\d+):(\\d+):\\s*(error|warning):\\s*(.+)$",
      "file": 1,
      "line": 2,
      "column": 3,
      "severity": 4,
      "message": 5
    }
  ],
  "severity": "error"
}

name: Build
on:
  push:
    branches: [ main ]
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Setup problem matcher
        uses: actions/setup-node@v4
        with:
          node-version: '20'
      - name: Run linter
        run: |
          npm install
          npx eslint . --format unix
        env:
          GITHUB_WORKFLOW: ${{ github.workflow }}
          GITHUB_JOB: ${{ github.job }}

github.actions.removeProblemMatcher('my-custom-matcher');

name: Annotation Example
on: [push]

jobs:
  annotate-job:
    runs-on: ubuntu-latest
    steps:
      - name: Check file
        run: |
          echo "::notice file=README.md,line=1::File checked successfully"
          echo "::warning file=README.md,line=5::Missing header"
          echo "::error file=README.md,line=10::Invalid syntax"