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/**
* @fileoverview Expose out ESLint and CLI to require.
* @author Ian Christian Myers
*/
"use strict";
//-----------------------------------------------------------------------------
// Requirements
//-----------------------------------------------------------------------------
const { ESLint, FlatESLint } = require("./eslint");
const { shouldUseFlatConfig } = require("./eslint/flat-eslint");
const { Linter } = require("./linter");
const { RuleTester } = require("./rule-tester");
const { SourceCode } = require("./source-code");
//-----------------------------------------------------------------------------
// Functions
//-----------------------------------------------------------------------------
/**
* Loads the correct ESLint constructor given the options.
* @param {Object} [options] The options object
* @param {boolean} [options.useFlatConfig] Whether or not to use a flat config
* @param {string} [options.cwd] The current working directory
* @returns {Promise<ESLint|LegacyESLint>} The ESLint constructor
*/
async function loadESLint({ useFlatConfig, cwd = process.cwd() } = {}) {
/*
* Note: The v9.x version of this function doesn't have a cwd option
* because it's not used. It's only used in the v8.x version of this
* function.
*/
const shouldESLintUseFlatConfig = typeof useFlatConfig === "boolean"
? useFlatConfig
: await shouldUseFlatConfig({ cwd });
return shouldESLintUseFlatConfig ? FlatESLint : ESLint;
}
//-----------------------------------------------------------------------------
// Exports
//-----------------------------------------------------------------------------
module.exports = {
Linter,
loadESLint,
ESLint,
RuleTester,
SourceCode
};
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