name : getDeclarationInfo.js "use strict";Object.defineProperty(exports, "__esModule", {value: true});var _tokenizer = require('../parser/tokenizer'); var _types = require('../parser/tokenizer/types'); const EMPTY_DECLARATION_INFO = { typeDeclarations: new Set(), valueDeclarations: new Set(), }; exports.EMPTY_DECLARATION_INFO = EMPTY_DECLARATION_INFO; /** * Get all top-level identifiers that should be preserved when exported in TypeScript. * * Examples: * - If an identifier is declared as `const x`, then `export {x}` should be preserved. * - If it's declared as `type x`, then `export {x}` should be removed. * - If it's declared as both `const x` and `type x`, then the export should be preserved. * - Classes and enums should be preserved (even though they also introduce types). * - Imported identifiers should be preserved since we don't have enough information to * rule them out. --isolatedModules disallows re-exports, which catches errors here. */ function getDeclarationInfo(tokens) { const typeDeclarations = new Set(); const valueDeclarations = new Set(); for (let i = 0; i < tokens.tokens.length; i++) { const token = tokens.tokens[i]; if (token.type === _types.TokenType.name && _tokenizer.isTopLevelDeclaration.call(void 0, token)) { if (token.isType) { typeDeclarations.add(tokens.identifierNameForToken(token)); } else { valueDeclarations.add(tokens.identifierNameForToken(token)); } } } return {typeDeclarations, valueDeclarations}; } exports.default = getDeclarationInfo;