name: CodSpeed Benchmarks

on:
  push:
    branches:
      - "main"
  pull_request:
  # `workflow_dispatch` allows CodSpeed to trigger backtest
  # performance analysis in order to generate initial data.
  workflow_dispatch:

env:
  BENCH_RESULT: /tmp/benchmark_results.json

permissions:
  contents: read
  id-token: write

jobs:
  benchmarks:
    name: Run benchmarks
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
        with:
          submodules: true

      - uses: dtolnay/rust-toolchain@1.87.0
        with:
          targets: wasm32-unknown-unknown

      - uses: actions/setup-node@v4
        with:
          node-version: '22'

      - uses: Swatinem/rust-cache@v2
        with:
          key: cargo-bench-${{ hashFiles('**/Cargo.lock') }}

      - name: Build wasm-bindgen and worker-build
        run: npm run build

      - name: Install benchmark dependencies
        working-directory: benchmark
        run: npm install

      - name: Build benchmark
        working-directory: benchmark
        run: node --run build

      - name: Run benchmarks
        uses: CodSpeedHQ/action@v4
        with:
          mode: walltime
          run: cd benchmark && node run.js && node codspeed-convert.js $BENCH_RESULT