86 lines
2.6 KiB
Plaintext
86 lines
2.6 KiB
Plaintext
import * as eslint from 'eslint';
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import * as semver from 'semver';
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import { createRequire } from 'module';
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function safeRequire(name) {
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try {
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return createRequire(`${process.cwd()}/__placeholder__.js`)(name);
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} catch {
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return void 0;
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}
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}
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function safeRequireResolve(name) {
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try {
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return createRequire(`${process.cwd()}/__placeholder__.js`).resolve(name);
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} catch {
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return name;
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}
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}
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function convertConfigToRc(config, linter) {
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var _a, _b;
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if (Array.isArray(config)) {
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throw new Error("Array config is not supported.");
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}
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const {
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languageOptions: originalLanguageOptions,
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plugins,
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...newConfig
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} = config;
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if (originalLanguageOptions) {
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const {
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parser,
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globals,
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parserOptions,
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ecmaVersion,
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sourceType,
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...languageOptions
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} = originalLanguageOptions;
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newConfig.parserOptions = {
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...!ecmaVersion || ecmaVersion === "latest" ? { ecmaVersion: getLatestEcmaVersion() } : { ecmaVersion },
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...sourceType ? { sourceType } : { sourceType: "module" },
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...languageOptions,
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...parserOptions,
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...newConfig.parserOptions
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};
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if (globals) {
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newConfig.globals = {
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...globals,
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...newConfig.globals
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};
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}
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if (parser && !newConfig.parser) {
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const parserName = getParserName(parser);
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newConfig.parser = parserName;
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(_a = linter == null ? void 0 : linter.defineParser) == null ? void 0 : _a.call(linter, parserName, parser);
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}
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}
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if (plugins) {
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for (const [pluginName, plugin] of Object.entries(plugins)) {
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for (const [ruleName, rule] of Object.entries(plugin.rules || {})) {
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(_b = linter == null ? void 0 : linter.defineRule) == null ? void 0 : _b.call(linter, `${pluginName}/${ruleName}`, rule);
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}
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}
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}
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newConfig.env = {
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es6: true,
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...newConfig.env
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};
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return newConfig;
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}
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function getParserName(parser) {
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var _a;
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const name = ((_a = parser.meta) == null ? void 0 : _a.name) || parser.name;
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if (name === "typescript-eslint/parser") {
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return safeRequireResolve("@typescript-eslint/parser");
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} else if (name == null && parser === safeRequire("@typescript-eslint/parser"))
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return safeRequireResolve("@typescript-eslint/parser");
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return safeRequireResolve(name);
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}
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function getLatestEcmaVersion() {
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const eslintVersion = eslint.Linter.version;
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return semver.gte(eslintVersion, "8.0.0") ? "latest" : semver.gte(eslintVersion, "7.8.0") ? 2021 : semver.gte(eslintVersion, "6.2.0") ? 2020 : semver.gte(eslintVersion, "5.0.0") ? 2019 : 2018;
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}
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export { convertConfigToRc as c };
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