42 lines
2.4 KiB
Plaintext
42 lines
2.4 KiB
Plaintext
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.getParserServices = getParserServices;
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const parserSeemsToBeTSESLint_1 = require("./parserSeemsToBeTSESLint");
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const ERROR_MESSAGE_REQUIRES_PARSER_SERVICES = "You have used a rule which requires type information, but don't have parserOptions set to generate type information for this file. See https://tseslint.com/typed-linting for enabling linting with type information.";
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const ERROR_MESSAGE_UNKNOWN_PARSER = 'Note: detected a parser other than @typescript-eslint/parser. Make sure the parser is configured to forward "parserOptions.project" to @typescript-eslint/parser.';
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function getParserServices(context, allowWithoutFullTypeInformation = false) {
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const parser =
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// eslint-disable-next-line @typescript-eslint/no-deprecated -- For compatibility with ESLint 8
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context.parserPath || context.languageOptions.parser?.meta?.name;
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// This check is unnecessary if the user is using the latest version of our parser.
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//
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// However the world isn't perfect:
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// - Users often use old parser versions.
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// Old versions of the parser would not return any parserServices unless parserOptions.project was set.
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// - Users sometimes use parsers that aren't @typescript-eslint/parser
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// Other parsers won't return the parser services we expect (if they return any at all).
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//
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// This check allows us to handle bad user setups whilst providing a nice user-facing
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// error message explaining the problem.
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if (context.sourceCode.parserServices?.esTreeNodeToTSNodeMap == null ||
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context.sourceCode.parserServices.tsNodeToESTreeNodeMap == null) {
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throwError(parser);
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}
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// if a rule requires full type information, then hard fail if it doesn't exist
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// this forces the user to supply parserOptions.project
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if (context.sourceCode.parserServices.program == null &&
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!allowWithoutFullTypeInformation) {
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throwError(parser);
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}
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return context.sourceCode.parserServices;
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}
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/* eslint-enable @typescript-eslint/unified-signatures */
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function throwError(parser) {
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const messages = [
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ERROR_MESSAGE_REQUIRES_PARSER_SERVICES,
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`Parser: ${parser || '(unknown)'}`,
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!(0, parserSeemsToBeTSESLint_1.parserSeemsToBeTSESLint)(parser) && ERROR_MESSAGE_UNKNOWN_PARSER,
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].filter(Boolean);
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throw new Error(messages.join('\n'));
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}
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