import react from "@vitejs/plugin-react";
import { defineConfig } from "vitest/config";

// Inline config — testing-dom defines createTestConfig but cannot
// self-reference it. Polyfills file is internal to this package's own
// test run; the production polyfills export is from /dist/setup/polyfills.

export default defineConfig({
    plugins: [react()],
    test: {
        globals: false,
        environment: "happy-dom",
        pool: "forks",
        fileParallelism: false,
        setupFiles: [
            "./tests/setup/polyfills.ts",
            "./src/matchers/matchers.ts",
        ],
        include: [
            "src/**/*.test.ts",
            "src/**/*.test.tsx",
            "tests/**/*.test.ts",
            "tests/**/*.test.tsx",
        ],
        exclude: [
            "src/__benchmarks__/**",
            "benchmarks/**",
            "e2e/**",
            "dist/**",
            "node_modules/**",
        ],
        coverage: {
            provider: "istanbul",
            reporter: ["text", "html", "lcov"],
            include: ["src/**/*.ts", "src/**/*.tsx"],
            exclude: [
                "src/**/*.test.ts",
                "src/**/*.test.tsx",
                "src/**/*.bench.ts",
                "src/**/*.schemas.ts",
                "src/**/*.types.ts",
                "src/**/index.ts",
                "src/__benchmarks__/**",
                "src/runner/bun-test.ts",
                "src/runner/vitest.ts",
                "src/runner/mocks.ts",
                "src/setup/polyfills.ts",
                "tests/**",
            ],
            thresholds: {
                statements: 100,
                branches: 100,
                functions: 100,
                lines: 100,
            },
        },
        testTimeout: 5000,
    },
});