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import * as eslint from 'eslint';
import * as semver from 'semver';
import { createRequire } from 'module';
function safeRequire(name) {
try {
return createRequire(`${process.cwd()}/__placeholder__.js`)(name);
} catch {
return void 0;
}
}
function safeRequireResolve(name) {
try {
return createRequire(`${process.cwd()}/__placeholder__.js`).resolve(name);
} catch {
return name;
}
}
const builtInGlobals = /* @__PURE__ */ new Map([
[
3,
Object.entries({
Array: false,
Boolean: false,
constructor: false,
Date: false,
decodeURI: false,
decodeURIComponent: false,
encodeURI: false,
encodeURIComponent: false,
Error: false,
escape: false,
eval: false,
EvalError: false,
Function: false,
hasOwnProperty: false,
Infinity: false,
isFinite: false,
isNaN: false,
isPrototypeOf: false,
Math: false,
NaN: false,
Number: false,
Object: false,
parseFloat: false,
parseInt: false,
propertyIsEnumerable: false,
RangeError: false,
ReferenceError: false,
RegExp: false,
String: false,
SyntaxError: false,
toLocaleString: false,
toString: false,
TypeError: false,
undefined: false,
unescape: false,
URIError: false,
valueOf: false
})
],
[
5,
Object.entries({
JSON: false
})
],
[
2015,
Object.entries({
ArrayBuffer: false,
DataView: false,
Float32Array: false,
Float64Array: false,
Int16Array: false,
Int32Array: false,
Int8Array: false,
Intl: false,
Map: false,
Promise: false,
Proxy: false,
Reflect: false,
Set: false,
Symbol: false,
Uint16Array: false,
Uint32Array: false,
Uint8Array: false,
Uint8ClampedArray: false,
WeakMap: false,
WeakSet: false
})
],
[
2017,
Object.entries({
Atomics: false,
SharedArrayBuffer: false
})
],
[
2020,
Object.entries({
BigInt: false,
BigInt64Array: false,
BigUint64Array: false,
globalThis: false
})
],
[
2021,
Object.entries({
AggregateError: false,
FinalizationRegistry: false,
WeakRef: false
})
]
]);
function convertConfigToRc(config, linter) {
var _a, _b;
if (Array.isArray(config)) {
throw new Error("Array config is not supported.");
}
const {
languageOptions: originalLanguageOptions,
plugins,
...newConfig
} = config;
if (originalLanguageOptions) {
const {
parser,
globals,
parserOptions,
ecmaVersion,
sourceType,
...languageOptions
} = originalLanguageOptions;
newConfig.parserOptions = {
...!ecmaVersion || ecmaVersion === "latest" ? { ecmaVersion: getLatestEcmaVersion() } : { ecmaVersion },
...sourceType ? { sourceType } : { sourceType: "module" },
...languageOptions,
...parserOptions,
...newConfig.parserOptions
};
const resolvedEcmaVersion = newConfig.parserOptions.ecmaVersion;
newConfig.globals = {
...Object.fromEntries(
[...builtInGlobals.entries()].flatMap(
([version, editionGlobals]) => resolvedEcmaVersion < version ? [] : editionGlobals
)
),
...newConfig.globals
};
if (globals) {
newConfig.globals = {
...globals,
...newConfig.globals
};
}
if (parser && !newConfig.parser) {
const parserName = getParserName(parser);
newConfig.parser = parserName;
(_a = linter == null ? void 0 : linter.defineParser) == null ? void 0 : _a.call(linter, parserName, parser);
}
}
if (plugins) {
for (const [pluginName, plugin] of Object.entries(plugins)) {
for (const [ruleName, rule] of Object.entries(plugin.rules || {})) {
(_b = linter == null ? void 0 : linter.defineRule) == null ? void 0 : _b.call(linter, `${pluginName}/${ruleName}`, rule);
}
}
}
newConfig.env = {
es6: true,
...newConfig.env
};
return newConfig;
}
function getParserName(parser) {
var _a;
const name = ((_a = parser.meta) == null ? void 0 : _a.name) || parser.name;
if (name === "typescript-eslint/parser") {
return safeRequireResolve("@typescript-eslint/parser");
} else if (name == null && parser === safeRequire("@typescript-eslint/parser"))
return safeRequireResolve("@typescript-eslint/parser");
return safeRequireResolve(name);
}
function getLatestEcmaVersion() {
const eslintVersion = eslint.Linter.version;
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;
}
export { convertConfigToRc as c };
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