wasm-slim 0.1.1

WASM bundle size optimizer
Documentation 
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# ABOUTME: Code coverage reporting on pushes to main
# ABOUTME: Uploads to Codecov and generates HTML report

name: Code Coverage

on:
  push:
    branches: [main]
    paths-ignore:
      - '**.md'
      - 'LICENSE'
      - '.gitignore'
      - 'docs/**'

# Cancel in-progress runs
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  CARGO_TERM_COLOR: always

jobs:
  coverage:
    name: Generate Coverage Report
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v6

      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          targets: wasm32-unknown-unknown
          components: llvm-tools-preview

      - name: Install tools
        uses: taiki-e/install-action@v2
        with:
          tool: cargo-llvm-cov,twiggy,wasm-bindgen-cli@0.2.108

      - name: Cache Rust dependencies
        uses: Swatinem/rust-cache@v2

      - name: Generate coverage reports (lcov + html)
        run: |
          cargo llvm-cov --all-features --workspace --lcov --output-path lcov.info
          cargo llvm-cov report --html

      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v5
        with:
          files: lcov.info
          fail_ci_if_error: true
          token: ${{ secrets.CODECOV_TOKEN }}

      - name: Upload artifacts
        uses: actions/upload-artifact@v6
        with:
          name: coverage
          path: |
            lcov.info
            target/llvm-cov/html
          retention-days: 30