test-slow-imports-rule.yml

# This workflow checks that our slow-imports rule works correctly.
# This is done by intentionally breaking the rule, running the linter, and checking
# that we got a non-zero exit code. It's not a completely fault-proof strategy,
# but it's an useful smoke test.
name: Slow imports rule check

on:
  schedule:
    - cron: "0 0 * * *"
  workflow_dispatch:
  push:
    paths:
      - ".github/workflows/test-slow-imports-rule.yml"

defaults:
  run:
    working-directory: packages/hardhat-core

jobs:
  test-slow-imports-rule:
    name: Check that the slow-imports rule works correctly
    runs-on: "ubuntu-latest"
    steps:
      - uses: actions/checkout@v4
      - uses: pnpm/action-setup@v4
        with:
          version: 9
      - uses: actions/setup-node@v4
        with:
          node-version: 18
          cache: "pnpm"
      - name: Install
        run: pnpm install --frozen-lockfile --prefer-offline
      - name: Add slow import
        run: echo 'import "lodash";' >> src/internal/core/config/config-resolution.ts
      - name: Build
        run: pnpm build
      - name: Run eslint
        id: run-linter
        run: pnpm eslint
        continue-on-error: true
      - name: Check linter status code
        run: test ${{ steps.run-linter.outcome }} != success