import { defineConfig } from "vitest/config";

export default defineConfig({
    test: {
        globals: false,
        environment: "node",
        pool: "forks",
        setupFiles: ["./tests/setup/polyfills.ts"],
        include: ["src/**/*.test.ts", "tests/**/*.test.ts"],
        exclude: ["dist/**", "node_modules/**"],
        coverage: {
            provider: "istanbul",
            reporter: ["text", "html", "lcov"],
            include: ["src/**/*.ts"],
            exclude: [
                "src/**/*.test.ts",
                "src/**/*.types.ts",
                "src/**/index.ts",
                "src/**/*.bench.ts",
                "src/index.ts",
                "src/testing/**",
                "tests/**",
            ],
            thresholds: {
                statements: 100,
                // Two defensive ternary fallbacks (performance.now → Date.now;
                // empty-POST-body short-circuit) cannot be exercised on Node 18+.
                // Both arms are wrapped in `/* istanbul ignore */` but the
                // branch counter still records them under istanbul 1.6.x.
                branches: 98,
                functions: 100,
                lines: 100,
            },
        },
        testTimeout: 60000,
        hookTimeout: 60000,
    },
});