label-pr-size.yml.yml

name: size-label

on:
  pull_request_target:
    types: [opened, synchronize]

jobs:
  size-label:
    permissions:
      contents: read
      pull-requests: write
      issues: write
    runs-on: ubuntu-latest

    steps:
      - name: Determine PR size and add label
        id: size-label
        uses: "pascalgn/size-label-action@v0.5.4"
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          sizes: >
            {
              "0": "XS",
              "20": "S",
              "50": "M",
              "200": "L",
              "800": "XL",
              "2000": "XXL"
            }

      - name: Set label colors
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const labelsToColor = {
              XS: 'd4c5f9',  // Light purple
              S: 'c2e0c6',   // Light green
              M: 'f9d0c4',   // Light red
              L: 'f7c6c7',   // Light pink
              XL: 'fef2c0',  // Light yellow
              XXL: 'e99695', // Light coral
            };

            const sizeLabel = core.getInput('size-label-output') || '${{ steps.size-label.outputs.sizeLabel }}';
            const color = labelsToColor[sizeLabel];

            if (sizeLabel) {
              try {
                // Check if the label already exists
                await github.rest.issues.getLabel({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  name: sizeLabel,
                });
              } catch (error) {
                // If label doesn't exist, create it with the specified color
                await github.rest.issues.createLabel({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  name: sizeLabel,
                  color: color || 'b0b0b0', // Default to gray if no color is found
                });
              }
            }

      - name: Comment on large PRs
        if: ${{ contains(steps.size-label.outputs.sizeLabel, 'XL') || contains(steps.size-label.outputs.sizeLabel, 'XXL') }}
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            await github.rest.issues.createComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
              body: "This PR is too large and may need to be broken into smaller pieces."
            });