Function runConfigHook

packages/vite/src/node/config.ts:2690–2733

(
  config: InlineConfig,
  plugins: Plugin[],
  configEnv: ConfigEnv,
)

}

async function runConfigHook(
  config: InlineConfig,
  plugins: Plugin[],
  configEnv: ConfigEnv,
): Promise<InlineConfig> {
  let conf = config

  const tempLogger = createLogger(config.logLevel, {
    allowClearScreen: config.clearScreen,
    customLogger: config.customLogger,
  })
  const context = new BasicMinimalPluginContext<
    Omit<PluginContextMeta, 'watchMode'>
  >(basePluginContextMeta, tempLogger)

  for (const p of getSortedPluginsByHook('config', plugins)) {
    const hook = p.config
    const handler = getHookHandler(hook)
    const res = await handler.call(context, conf, configEnv)
    if (res && res !== conf) {
      if (hasBothRollupOptionsAndRolldownOptions(res)) {
        context.warn(
          `Both \`rollupOptions\` and \`rolldownOptions\` were specified by ${JSON.stringify(p.name)} plugin. ` +
            `\`rollupOptions\` specified by that plugin will be ignored.`,
        )
      }
      if (res.esbuild) {
        context.warn(
          `\`esbuild\` option was specified by ${JSON.stringify(p.name)} plugin. ` +
            `This option is deprecated, please use \`oxc\` instead.`,
        )
      }
      if (res.optimizeDeps?.esbuildOptions) {
        context.warn(
          `\`optimizeDeps.esbuildOptions\` option was specified by ${JSON.stringify(p.name)} plugin. ` +
            `This option is deprecated, please use \`optimizeDeps.rolldownOptions\` instead.`,
        )
      }
      conf = mergeConfig(conf, res)
    }
  }

  return conf
}

async function runConfigEnvironmentHook(
  environments: Record<string, EnvironmentOptions>,