import type { Options } from "../index"; import type NameManager from "../NameManager"; import type TokenProcessor from "../TokenProcessor"; import type ReactHotLoaderTransformer from "./ReactHotLoaderTransformer"; import Transformer from "./Transformer"; /** * Class for editing import statements when we are keeping the code as ESM. We still need to remove * type-only imports in TypeScript and Flow. */ export default class ESMImportTransformer extends Transformer { readonly tokens: TokenProcessor; readonly nameManager: NameManager; readonly reactHotLoaderTransformer: ReactHotLoaderTransformer | null; readonly isTypeScriptTransformEnabled: boolean; private nonTypeIdentifiers; private declarationInfo; constructor(tokens: TokenProcessor, nameManager: NameManager, reactHotLoaderTransformer: ReactHotLoaderTransformer | null, isTypeScriptTransformEnabled: boolean, options: Options); process(): boolean; private processImportEquals; private processImport; /** * Remove type bindings from this import, leaving the rest of the import intact. * * Return true if this import was ONLY types, and thus is eligible for removal. This will bail out * of the replacement operation, so we can return early here. */ private removeImportTypeBindings; private isTypeName; private processExportDefault; /** * In TypeScript, we need to remove named exports that were never declared or only declared as a * type. */ private processNamedExports; /** * ESM elides all imports with the rule that we only elide if we see that it's * a type and never see it as a value. This is in contract to CJS, which * elides imports that are completely unknown. */ private shouldElideExportedName; }