import tsconfigPaths from 'vite-tsconfig-paths'
import { defineConfig } from 'vitest/config'

export default defineConfig({
  plugins: [tsconfigPaths({ projects: ['./tsconfig.test.json'] })],
  test: {
    include: ['packages/*/tests/**/*.spec.ts'],
    coverage: {
      provider: 'v8',
      // Coverage measures OUR runtime source. Types-only files carry no
      // executable code; vendor/ and examples/ are out of scope (examples are
      // exercised by the demo smoke test instead).
      include: ['packages/*/src/**/*.ts'],
      exclude: ['packages/*/src/types.ts'],
      // 100% or it doesn't merge (AGENTS.md: excessive tests are welcome).
      // Per-file so a well-covered big file can't subsidize a bare one.
      // Every v8 ignore comment must carry a reason — see AGENTS.md.
      thresholds: {
        perFile: true,
        statements: 100,
        branches: 100,
        functions: 100,
        lines: 100,
      },
      reporter: ['text', 'html'],
    },
  },
})