save code

frontend/node_modules/is-weakmap/.editorconfig

@@ -0,0 +1,15 @@
+root = true
+
+[*]
+indent_style = tab
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[{package.json,*.yml}]
+indent_style = space
+indent_size = 2
+
+[*.md]
+trim_trailing_whitespace = false

frontend/node_modules/is-weakmap/.eslintrc

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+{
+	"root": true,
+
+	"extends": "@ljharb",
+}

frontend/node_modules/is-weakmap/.nycrc

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+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}

frontend/node_modules/is-weakmap/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2019 Inspect JS
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

frontend/node_modules/is-weakmap/index.js

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+'use strict';
+
+var $WeakMap = typeof WeakMap === 'function' && WeakMap.prototype ? WeakMap : null;
+var $WeakSet = typeof WeakSet === 'function' && WeakSet.prototype ? WeakSet : null;
+
+var exported;
+
+if (!$WeakMap) {
+	/** @type {import('.')} */
+	// eslint-disable-next-line no-unused-vars
+	exported = function isWeakMap(x) {
+		// `WeakMap` is not present in this environment.
+		return false;
+	};
+}
+
+var $mapHas = $WeakMap ? $WeakMap.prototype.has : null;
+var $setHas = $WeakSet ? $WeakSet.prototype.has : null;
+if (!exported && !$mapHas) {
+	/** @type {import('.')} */
+	// eslint-disable-next-line no-unused-vars
+	exported = function isWeakMap(x) {
+		// `WeakMap` does not have a `has` method
+		return false;
+	};
+}
+
+/** @type {import('.')} */
+module.exports = exported || function isWeakMap(x) {
+	if (!x || typeof x !== 'object') {
+		return false;
+	}
+	try {
+		$mapHas.call(x, $mapHas);
+		if ($setHas) {
+			try {
+				$setHas.call(x, $setHas);
+			} catch (e) {
+				return true;
+			}
+		}
+		// @ts-expect-error TS can't figure out that $WeakMap is always truthy here
+		return x instanceof $WeakMap; // core-js workaround, pre-v3
+	} catch (e) {}
+	return false;
+};