Updated the files.

my-app/node_modules/license-webpack-plugin/dist/WebpackFileSystem.js

@@ -0,0 +1,90 @@
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
+var __read = (this && this.__read) || function (o, n) {
+    var m = typeof Symbol === "function" && o[Symbol.iterator];
+    if (!m) return o;
+    var i = m.call(o), r, ar = [], e;
+    try {
+        while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
+    }
+    catch (error) { e = { error: error }; }
+    finally {
+        try {
+            if (r && !r.done && (m = i["return"])) m.call(i);
+        }
+        finally { if (e) throw e.error; }
+    }
+    return ar;
+};
+var __spread = (this && this.__spread) || function () {
+    for (var ar = [], i = 0; i < arguments.length; i++) ar = ar.concat(__read(arguments[i]));
+    return ar;
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.WebpackFileSystem = void 0;
+var path = __importStar(require("path"));
+var WebpackFileSystem = /** @class */ (function () {
+    function WebpackFileSystem(fs) {
+        this.fs = fs;
+        this.pathSeparator = path.sep;
+    }
+    WebpackFileSystem.prototype.isFileInDirectory = function (filename, directory) {
+        var normalizedFile = this.resolvePath(filename);
+        var normalizedDirectory = this.resolvePath(directory);
+        return (!this.isDirectory(normalizedFile) &&
+            normalizedFile.indexOf(normalizedDirectory) === 0);
+    };
+    WebpackFileSystem.prototype.pathExists = function (filename) {
+        try {
+            var stat = this.fs.statSync(filename, { throwIfNoEntry: false });
+            return !!stat;
+        }
+        catch (e) {
+            return false;
+        }
+    };
+    WebpackFileSystem.prototype.readFileAsUtf8 = function (filename) {
+        return this.fs.readFileSync(filename).toString('utf8');
+    };
+    WebpackFileSystem.prototype.join = function () {
+        var paths = [];
+        for (var _i = 0; _i < arguments.length; _i++) {
+            paths[_i] = arguments[_i];
+        }
+        return path.join.apply(path, __spread(paths));
+    };
+    WebpackFileSystem.prototype.resolvePath = function (pathInput) {
+        return path.resolve(pathInput);
+    };
+    WebpackFileSystem.prototype.listPaths = function (dir) {
+        return this.fs.readdirSync(dir);
+    };
+    WebpackFileSystem.prototype.isDirectory = function (dir) {
+        var isDir = false;
+        try {
+            isDir = this.fs.statSync(dir, { throwIfNoEntry: false }).isDirectory();
+        }
+        catch (e) { }
+        return isDir;
+    };
+    return WebpackFileSystem;
+}());
+exports.WebpackFileSystem = WebpackFileSystem;