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61 lines
2.3 KiB
Plaintext
61 lines
2.3 KiB
Plaintext
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.astConverter = astConverter;
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const convert_1 = require("./convert");
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const convert_comments_1 = require("./convert-comments");
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const node_utils_1 = require("./node-utils");
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const simple_traverse_1 = require("./simple-traverse");
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function astConverter(ast, parseSettings, shouldPreserveNodeMaps) {
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/**
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* The TypeScript compiler produced fundamental parse errors when parsing the
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* source.
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*/
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const { parseDiagnostics } = ast;
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if (parseDiagnostics.length) {
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throw (0, convert_1.convertError)(parseDiagnostics[0]);
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}
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/**
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* Recursively convert the TypeScript AST into an ESTree-compatible AST
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*/
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const instance = new convert_1.Converter(ast, {
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allowInvalidAST: parseSettings.allowInvalidAST,
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errorOnUnknownASTType: parseSettings.errorOnUnknownASTType,
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shouldPreserveNodeMaps,
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suppressDeprecatedPropertyWarnings: parseSettings.suppressDeprecatedPropertyWarnings,
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});
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const estree = instance.convertProgram();
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/**
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* Optionally remove range and loc if specified
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*/
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if (!parseSettings.range || !parseSettings.loc) {
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(0, simple_traverse_1.simpleTraverse)(estree, {
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enter: node => {
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if (!parseSettings.range) {
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// eslint-disable-next-line @typescript-eslint/ban-ts-comment -- TS 4.0 made this an error because the types aren't optional
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// @ts-expect-error
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delete node.range;
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}
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if (!parseSettings.loc) {
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// eslint-disable-next-line @typescript-eslint/ban-ts-comment -- TS 4.0 made this an error because the types aren't optional
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// @ts-expect-error
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delete node.loc;
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}
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},
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});
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}
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/**
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* Optionally convert and include all tokens in the AST
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*/
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if (parseSettings.tokens) {
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estree.tokens = (0, node_utils_1.convertTokens)(ast);
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}
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/**
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* Optionally convert and include all comments in the AST
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*/
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if (parseSettings.comment) {
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estree.comments = (0, convert_comments_1.convertComments)(ast, parseSettings.codeFullText);
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}
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const astMaps = instance.getASTMaps();
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return { astMaps, estree };
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}
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