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"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getEspree = getEspree;
const module_1 = __importDefault(require("module"));
const path_1 = __importDefault(require("path"));
const createRequire =
// Added in v12.2.0
module_1.default.createRequire ||
// Added in v10.12.0, but deprecated in v12.2.0.
// @ts-expect-error -- old type
module_1.default.createRequireFromPath ||
// Polyfill - This is not executed on the tests on node@>=10.
/* istanbul ignore next */
((modName) => {
const mod = new module_1.default(modName);
mod.filename = modName;
mod.paths = module_1.default._nodeModulePaths(path_1.default.dirname(modName));
mod._compile("module.exports = require;", modName);
return mod.exports;
});
let espreeCache = null;
/** Checks if given path is linter path */
function isLinterPath(p) {
return (
// ESLint 6 and above
p.includes(`eslint${path_1.default.sep}lib${path_1.default.sep}linter${path_1.default.sep}linter.js`) ||
// ESLint 5
p.includes(`eslint${path_1.default.sep}lib${path_1.default.sep}linter.js`));
}
/**
* Load `espree` from the loaded ESLint.
* If the loaded ESLint was not found, just returns `require("espree")`.
*/
function getEspree() {
if (!espreeCache) {
// Lookup the loaded eslint
const linterPath = Object.keys(require.cache || {}).find(isLinterPath);
if (linterPath) {
try {
espreeCache = createRequire(linterPath)("espree");
}
catch (_a) {
// ignore
}
}
if (!espreeCache) {
// eslint-disable-next-line @typescript-eslint/no-require-imports -- ignore
espreeCache = require("espree");
}
}
return espreeCache;
}
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