/*---------------------------------------------------------------------------------------------

* Copyright (c) Microsoft Corporation. All rights reserved.

* Licensed under the MIT License. See License.txt in the project root for license information.

*--------------------------------------------------------------------------------------------*/

// @ts-check

const webpack = require('webpack');

const { Mangler } = require('../build/lib/mangleTypeScript');

let map;

/**

* @param {string} projectPath

*/

function getMangledFileContents(projectPath) {

if (!map) {

const ts2tsMangler = new Mangler(projectPath, console.log);

map = ts2tsMangler.computeNewFileContents();

}

return map;

}

/**

* @type {webpack.LoaderDefinitionFunction}

*/

module.exports = async function (source, sourceMap, meta) {

const options = this.getOptions();

const callback = this.async();

const fileContentsMap = getMangledFileContents(options.configFile);

const newContents = fileContentsMap.get(this.resourcePath);

callback(null, newContents ?? source, sourceMap, meta);

};