Function loadConfig

playground/vitestSetup.ts:227–273

(configEnv: ConfigEnv)

})

async function loadConfig(configEnv: ConfigEnv) {
  let config: UserConfig | null = null

  // config file named by convention as the *.spec.ts folder
  const variantName = path.basename(path.dirname(testPath))
  if (variantName !== '__tests__') {
    const configVariantPath = path.resolve(
      rootDir,
      `vite.config-${variantName}.js`,
    )
    if (fs.existsSync(configVariantPath)) {
      const res = await loadConfigFromFile(configEnv, configVariantPath)
      if (res) {
        config = res.config
      }
    }
  }
  // config file from test root dir
  if (!config) {
    const res = await loadConfigFromFile(configEnv, undefined, rootDir)
    if (res) {
      config = res.config
    }
  }

  const options: InlineConfig = {
    root: rootDir,
    logLevel: 'silent',
    configFile: false,
    server: {
      watch: {
        // During tests we edit the files too fast and sometimes chokidar
        // misses change events, so enforce polling for consistency
        usePolling: true,
        interval: 100,
      },
    },
    build: {
      // esbuild do not minify ES lib output since that would remove pure annotations and break tree-shaking
      // skip transpilation during tests to make it faster
      target: 'esnext',
    },
    customLogger: createInMemoryLogger(serverLogs),
    plugins: [throwHtmlParseError()],
  }
  return mergeConfig(options, config || {})
}

export async function startDefaultServe(): Promise<void> {
  setupConsoleWarnCollector(serverLogs)