Function dynamicImportVarsPlugin

packages/vite/src/node/plugins/dynamicImportVars.ts:169–299

(config: ResolvedConfig)

}

export function dynamicImportVarsPlugin(config: ResolvedConfig): Plugin {
  const resolve = createBackCompatIdResolver(config, {
    preferRelative: true,
    tryIndex: false,
    extensions: [],
  })

  const getFilter = perEnvironmentState((environment: Environment) => {
    const { include, exclude } =
      environment.config.build.dynamicImportVarsOptions
    return createFilter(include, exclude)
  })

  return {
    name: 'vite:dynamic-import-vars',

    applyToEnvironment(environment) {
      if (environment.config.isBundled) {
        const { include, exclude } =
          environment.config.build.dynamicImportVarsOptions

        return nativeDynamicImportVarsPlugin({
          include,
          exclude,
          resolver(id, importer) {
            return resolve(environment, id, importer)
          },
          sourcemap: !!environment.config.build.sourcemap,
        })
      }
      return true
    },

    resolveId: {
      filter: { id: exactRegex(dynamicImportHelperId) },
      handler(id) {
        return id
      },
    },

    load: {
      filter: { id: exactRegex(dynamicImportHelperId) },
      handler(_id) {
        return `export default ${dynamicImportHelper.toString()}`
      },
    },

    transform: {
      filter: {
        id: { exclude: exactRegex(CLIENT_ENTRY) },
        code: hasDynamicImportRE,
      },
      async handler(source, importer) {
        const { environment } = this
        if (!getFilter(this)(importer)) {
          return
        }