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57 lines
2.0 KiB
JavaScript
57 lines
2.0 KiB
JavaScript
10 months ago
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"use strict";
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.getEspree = void 0;
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const module_1 = __importDefault(require("module"));
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const path_1 = __importDefault(require("path"));
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const createRequire =
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// Added in v12.2.0
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module_1.default.createRequire ||
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// Added in v10.12.0, but deprecated in v12.2.0.
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// @ts-expect-error -- old type
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module_1.default.createRequireFromPath ||
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// Polyfill - This is not executed on the tests on node@>=10.
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/* istanbul ignore next */
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((modName) => {
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const mod = new module_1.default(modName);
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mod.filename = modName;
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mod.paths = module_1.default._nodeModulePaths(path_1.default.dirname(modName));
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mod._compile("module.exports = require;", modName);
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return mod.exports;
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});
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let espreeCache = null;
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/** Checks if given path is linter path */
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function isLinterPath(p) {
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return (
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// ESLint 6 and above
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p.includes(`eslint${path_1.default.sep}lib${path_1.default.sep}linter${path_1.default.sep}linter.js`) ||
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// ESLint 5
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p.includes(`eslint${path_1.default.sep}lib${path_1.default.sep}linter.js`));
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}
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/**
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* Load `espree` from the loaded ESLint.
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* If the loaded ESLint was not found, just returns `require("espree")`.
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*/
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function getEspree() {
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if (!espreeCache) {
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// Lookup the loaded eslint
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const linterPath = Object.keys(require.cache || {}).find(isLinterPath);
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if (linterPath) {
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try {
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espreeCache = createRequire(linterPath)("espree");
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}
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catch (_a) {
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// ignore
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}
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}
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if (!espreeCache) {
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// eslint-disable-next-line @typescript-eslint/no-require-imports -- ignore
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espreeCache = require("espree");
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}
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}
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return espreeCache;
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}
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exports.getEspree = getEspree;
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