84 lines
2.6 KiB
JavaScript
84 lines
2.6 KiB
JavaScript
import { loadPartialConfig } from "@babel/core";
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export function normalizeESLintConfig(options) {
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const {
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babelOptions = {},
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// ESLint sets ecmaVersion: undefined when ecmaVersion is not set in the config.
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ecmaVersion = 2020,
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sourceType = "module",
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allowImportExportEverywhere = false,
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requireConfigFile = true,
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...otherOptions
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} = options;
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return {
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babelOptions,
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ecmaVersion,
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sourceType,
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allowImportExportEverywhere,
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requireConfigFile,
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...otherOptions,
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};
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}
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/**
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* Merge user supplied estree plugin options to default estree plugin options
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*
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* @param {*} babelOptions
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* @returns {Array} Merged parser plugin descriptors
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*/
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function getParserPlugins(babelOptions) {
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const babelParserPlugins = babelOptions.parserOpts?.plugins ?? [];
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// todo: enable classFeatures when it is supported by ESLint
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const estreeOptions = { classFeatures: false };
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for (const plugin of babelParserPlugins) {
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if (Array.isArray(plugin) && plugin[0] === "estree") {
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Object.assign(estreeOptions, plugin[1]);
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break;
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}
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}
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// estree must be the first parser plugin to work with other parser plugins
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return [["estree", estreeOptions], ...babelParserPlugins];
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}
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export function normalizeBabelParseConfig(options) {
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const parseOptions = {
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sourceType: options.sourceType,
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filename: options.filePath,
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...options.babelOptions,
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parserOpts: {
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allowImportExportEverywhere: options.allowImportExportEverywhere,
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allowReturnOutsideFunction: true,
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allowSuperOutsideMethod: true,
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...options.babelOptions.parserOpts,
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plugins: getParserPlugins(options.babelOptions),
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ranges: true,
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tokens: true,
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},
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caller: {
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name: "@babel/eslint-parser",
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...options.babelOptions.caller,
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},
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};
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if (options.requireConfigFile !== false) {
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const config = loadPartialConfig(parseOptions);
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if (config !== null) {
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if (!config.hasFilesystemConfig()) {
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let error = `No Babel config file detected for ${config.options.filename}. Either disable config file checking with requireConfigFile: false, or configure Babel so that it can find the config files.`;
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if (config.options.filename.includes("node_modules")) {
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error += `\nIf you have a .babelrc.js file or use package.json#babel, keep in mind that it's not used when parsing dependencies. If you want your config to be applied to your whole app, consider using babel.config.js or babel.config.json instead.`;
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}
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throw new Error(error);
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}
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return config.options;
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}
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}
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return parseOptions;
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}
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