name: "Pull Request Labeler"

on:

pull_request_target:

types: [opened]

permissions: {}

jobs:

pr-labeler:

if: github.repository == 'numpy/numpy'

runs-on: ubuntu-latest

permissions:

pull-requests: write # to add labels

steps:

- name: Label the PR

continue-on-error: true

uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9.0.0

with:

script: |

const yaml = require('js-yaml');

const {data} = await github.rest.repos.getContent({

owner: context.repo.owner,

repo: context.repo.repo,

path: '.github/pr-prefix-labeler.yml',

});

const prefixToLabel = yaml.load(

Buffer.from(data.content, data.encoding).toString()

);

const title = context.payload.pull_request.title;

for (const [prefix, label] of Object.entries(prefixToLabel)) {

if (title.startsWith(prefix)) {

await github.rest.issues.addLabels({

owner: context.repo.owner,

repo: context.repo.repo,

issue_number: context.payload.pull_request.number,

labels: [label],

});

break;

}

}