Function config

packages/browser/src/node/plugin.ts:167–294

()

      name: 'vitest:browser:tests',
      enforce: 'pre',
      async config() {
        // this plugin can be used in different projects, but all of them
        // have the same `include` pattern, so it doesn't matter which project we use
        const project = parentServer.project
        const { testFiles: browserTestFiles } = await project.globTestFiles()
        const setupFiles = toArray(project.config.setupFiles)

        // replace env values - cannot be reassign at runtime
        const define: Record<string, string> = {}
        for (const env in (project.config.env || {})) {
          const stringValue = JSON.stringify(project.config.env[env])
          define[`import.meta.env.${env}`] = stringValue
        }

        const entries: string[] = [
          ...browserTestFiles,
          ...setupFiles,
          resolve(vitestDist, 'index.js'),
          resolve(vitestDist, 'browser.js'),
          resolve(vitestDist, 'runners.js'),
          resolve(vitestDist, 'utils.js'),
          ...(project.config.snapshotSerializers || []),
        ]

        const exclude = [
          'vitest',
          'vitest/browser',
          'vitest/internal/browser',
          'vite/module-runner',
          '@vitest/browser/utils',
          '@vitest/browser/context',
          '@vitest/browser/client',
          '@vitest/utils',
          '@vitest/utils/source-map',
          '@vitest/runner',
          '@vitest/spy',
          '@vitest/utils/error',
          '@vitest/snapshot',
          '@vitest/expect',
          'std-env',
          'tinybench',
          'tinyspy',
          'tinyrainbow',
          'pathe',
          'msw',
          'msw/browser',
        ]

        if (typeof project.config.diff === 'string') {
          entries.push(project.config.diff)
        }

        if (parentServer.vitest.coverageProvider) {
          const coverage = parentServer.vitest._coverageOptions
          const provider = coverage.provider
          if (provider === 'v8') {
            const path = tryResolve('@vitest/coverage-v8', [parentServer.config.root])
            if (path) {