Function getConfigHash

packages/vite/src/node/optimizer/index.ts:1284–1327

(environment: Environment)

const lockfilePaths = lockfileFormats.map((l) => l.path)

function getConfigHash(environment: Environment): string {
  // Take config into account
  // only a subset of config options that can affect dep optimization
  const { config } = environment
  const { optimizeDeps } = config
  const content = JSON.stringify(
    {
      define: !config.keepProcessEnv
        ? process.env.NODE_ENV || config.mode
        : null,
      root: config.root,
      resolve: config.resolve,
      assetsInclude: config.assetsInclude,
      plugins: config.plugins.map((p) => p.name),
      optimizeDeps: {
        include: optimizeDeps.include
          ? unique(optimizeDeps.include).sort()
          : undefined,
        exclude: optimizeDeps.exclude
          ? unique(optimizeDeps.exclude).sort()
          : undefined,
        rolldownOptions: {
          ...optimizeDeps.rolldownOptions,
          plugins: undefined, // included in optimizeDepsPluginNames
          onLog: undefined,
          onwarn: undefined,
          checks: undefined,
          output: {
            ...optimizeDeps.rolldownOptions?.output,
            plugins: undefined, // included in optimizeDepsPluginNames
          },
        },
      },
      optimizeDepsPluginNames: config.optimizeDepsPluginNames,
    },
    (_, value) => {
      if (typeof value === 'function' || value instanceof RegExp) {
        return value.toString()
      }
      return value
    },
  )
  return getHash(content)
}

function getLockfileHash(environment: Environment): string {
  const lockfilePath = lookupFile(environment.config.root, lockfilePaths)