Index: frontend/node_modules/is-map/.editorconfig
===================================================================
--- frontend/node_modules/is-map/.editorconfig	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/is-map/.editorconfig	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -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
Index: frontend/node_modules/is-map/.eslintrc
===================================================================
--- frontend/node_modules/is-map/.eslintrc	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/is-map/.eslintrc	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,5 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+}
Index: frontend/node_modules/is-map/.gitattributes
===================================================================
--- frontend/node_modules/is-map/.gitattributes	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/is-map/.gitattributes	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,1 @@
+* text=auto
Index: frontend/node_modules/is-map/.github/FUNDING.yml
===================================================================
--- frontend/node_modules/is-map/.github/FUNDING.yml	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/is-map/.github/FUNDING.yml	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/is-map
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
Index: frontend/node_modules/is-map/.nycrc
===================================================================
--- frontend/node_modules/is-map/.nycrc	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/is-map/.nycrc	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
Index: frontend/node_modules/is-map/CHANGELOG.md
===================================================================
--- frontend/node_modules/is-map/CHANGELOG.md	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/is-map/CHANGELOG.md	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,89 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v2.0.3](https://github.com/inspect-js/is-map/compare/v2.0.2...v2.0.3) - 2024-03-08
+
+### Commits
+
+- [actions] reuse common workflows [`ce10d0f`](https://github.com/inspect-js/is-map/commit/ce10d0f82fcec150b5d283202c1988887d618895)
+- [meta] use `npmignore` to autogenerate an npmignore file [`e07e23a`](https://github.com/inspect-js/is-map/commit/e07e23affca99f469937dade44abc02e05a26739)
+- add types [`cd13cfb`](https://github.com/inspect-js/is-map/commit/cd13cfb54647def94a0df9a276a92298891f7bdd)
+- [actions] use `node/install` instead of `node/run`; use `codecov` action [`1e055f9`](https://github.com/inspect-js/is-map/commit/1e055f9ea79c6c7cb6f8182e644c08ae167d358b)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `object-inspect`, `safe-publish-latest`, `tape` [`12d125e`](https://github.com/inspect-js/is-map/commit/12d125ef5bd4d6cf0468f406bf3dd3b873aa3af9)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `es5-shim`, `object-inspect`, `tape` [`adfb18e`](https://github.com/inspect-js/is-map/commit/adfb18ee26fa3ecadfdb16657a5423dda4248ca3)
+- [actions] remove redundant finisher [`c5511b7`](https://github.com/inspect-js/is-map/commit/c5511b79c739a08f7da40b9cae2391d10b4b613c)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `es6-shim`, `npmignore`, `object-inspect`, `tape` [`b2c7d67`](https://github.com/inspect-js/is-map/commit/b2c7d674d2e78f5fb67a7e69b83ae177255fb8da)
+- [actions] update rebase action to use reusable workflow [`bbad644`](https://github.com/inspect-js/is-map/commit/bbad64428c5b777070ed86130669211ec1645714)
+- [actions] update codecov uploader [`8f57f98`](https://github.com/inspect-js/is-map/commit/8f57f98d3e3897fa82e87a155f05b7fdb174c222)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `auto-changelog`, `es5-shim`, `object-inspect`, `tape` [`d330ff4`](https://github.com/inspect-js/is-map/commit/d330ff4cbdbbce8402da928cab040e2c85126506)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `object-inspect`, `tape` [`454e31c`](https://github.com/inspect-js/is-map/commit/454e31ccecaa2ac78c7397afe2b0101576ad5b11)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `es5-shim`, `tape` [`b43283d`](https://github.com/inspect-js/is-map/commit/b43283dcd906d2024d2b78448bf8b679922d791b)
+- [readme] add actions and codecov badges [`0fc119e`](https://github.com/inspect-js/is-map/commit/0fc119ed01da39b3444478f7912447f6f298339f)
+- [Dev Deps] update `eslint`, `object-inspect` [`e2311f8`](https://github.com/inspect-js/is-map/commit/e2311f8984f2e2efda5011b4636275bfa7b17e8d)
+- [meta] add missing `engines.node` [`9bddaf2`](https://github.com/inspect-js/is-map/commit/9bddaf20a47fc5f359d171c8a7d43ac667d4680d)
+- [meta] use `prepublishOnly` script for npm 7+ [`d3b7661`](https://github.com/inspect-js/is-map/commit/d3b76613fcd34381a1ccdf17f4ab6e3e892dfc5f)
+- [Dev Deps] update `safe-publish-latest` [`00d7b69`](https://github.com/inspect-js/is-map/commit/00d7b69c315b9404b49c8d0ca85774f739f25a61)
+- [meta] add `sideEffects` flag [`bab4457`](https://github.com/inspect-js/is-map/commit/bab445707d11d590f2650f43b58bf9fa8dd664d1)
+
+## [v2.0.2](https://github.com/inspect-js/is-map/compare/v2.0.1...v2.0.2) - 2020-12-13
+
+### Commits
+
+- [Tests] migrate tests to Github Actions [`349a036`](https://github.com/inspect-js/is-map/commit/349a0362a744d024937a4356134389cbebf0c1a7)
+- [meta] do not publish github action workflow files [`f473ae7`](https://github.com/inspect-js/is-map/commit/f473ae777d15c5d247002f5aaa52ed4ada3a5dd4)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `es6-shim`, `object-inspect`, `tape` [`12dbda3`](https://github.com/inspect-js/is-map/commit/12dbda37a97c0dab0a3874a6cff086cd44f1c94c)
+- [Tests] run `nyc` on all tests; use `tape` runner; add `core-js` tests [`b280737`](https://github.com/inspect-js/is-map/commit/b280737c513588fef4b88c16328627744c8ab946)
+- [actions] add "Allow Edits" workflow [`d8dcf17`](https://github.com/inspect-js/is-map/commit/d8dcf17dd6b1cc09b8de369aa87188f469297b7c)
+- [readme] remove travis badge [`eab86f9`](https://github.com/inspect-js/is-map/commit/eab86f94cca4941861784e5eb8b7ca05e847e0b5)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape` [`9c87af5`](https://github.com/inspect-js/is-map/commit/9c87af5008a4ff79bffc3a6de55bf2d65979db6d)
+- [actions] switch Automatic Rease workflow to `pull_request_tarbget` event [`71647b8`](https://github.com/inspect-js/is-map/commit/71647b805066ecbc096d5742fd69046d22f2b5c4)
+- [Dev Deps] update `es5-shim`, `tape` [`3a91230`](https://github.com/inspect-js/is-map/commit/3a912305d7d836e8d6e4f80e9047e3beff8ea887)
+- [Dev Deps] update `auto-changelog`; add `aud` [`d3cd3da`](https://github.com/inspect-js/is-map/commit/d3cd3da9008756a02c2b26b45292c477bf9594a9)
+- [Tests] only audit prod deps [`83ef327`](https://github.com/inspect-js/is-map/commit/83ef327c62d54a48193bf95ed8cb6c4dff0a2035)
+- [meta] normalize line endings [`81a9eec`](https://github.com/inspect-js/is-map/commit/81a9eec713f8e309fa1f0ffb7e4b154c359b367b)
+
+## [v2.0.1](https://github.com/inspect-js/is-map/compare/v2.0.0...v2.0.1) - 2019-12-17
+
+### Fixed
+
+- [Refactor] avoid top-level return, because babel and webpack are broken [`#5`](https://github.com/inspect-js/is-map/issues/5) [`#4`](https://github.com/inspect-js/is-map/issues/4) [`#3`](https://github.com/inspect-js/is-map/issues/3) [`#78`](https://github.com/inspect-js/node-deep-equal/issues/78) [`#7`](https://github.com/es-shims/Promise.allSettled/issues/7) [`#12`](https://github.com/airbnb/js-shims/issues/12)
+
+### Commits
+
+- [actions] add automatic rebasing / merge commit blocking [`743f29f`](https://github.com/inspect-js/is-map/commit/743f29fc527b4a8a56a7045ad3d56ecfc798b1a3)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape` [`8ced854`](https://github.com/inspect-js/is-map/commit/8ced854c842c86cb126b86618cb4f90ef6a04f2b)
+
+## [v2.0.0](https://github.com/inspect-js/is-map/compare/v1.0.1...v2.0.0) - 2019-11-12
+
+### Commits
+
+- Initial commit [`38592bc`](https://github.com/inspect-js/is-map/commit/38592bcb928d97b244cca6cee91142a44bcf5ab1)
+- Tests [`ca54632`](https://github.com/inspect-js/is-map/commit/ca546326943385052e8b5a04377f1f8b110b7306)
+- readme [`9ad8bb6`](https://github.com/inspect-js/is-map/commit/9ad8bb6bc2fb295ada21e1cd901c89aa55acad37)
+- implementation [`03e1dbc`](https://github.com/inspect-js/is-map/commit/03e1dbc64eb09e6caba919c9ae5662992f0a9b52)
+- npm init [`d05ce8b`](https://github.com/inspect-js/is-map/commit/d05ce8b0ad797c97ed23a7730a9e211e5fe0fe92)
+- [meta] add `funding` field; create `FUNDING.yml` [`2d56b4e`](https://github.com/inspect-js/is-map/commit/2d56b4e2a44e6eb4557d9d192a863c92b68c6597)
+- [meta] add `safe-publish-latest`, `auto-changelog` [`2ebecb5`](https://github.com/inspect-js/is-map/commit/2ebecb5a3fe5fa682d5d04d1cd87f4d88ba22ec9)
+- [Tests] add `npm run lint` [`ddc3e32`](https://github.com/inspect-js/is-map/commit/ddc3e320c3d181b9111dd3a86df486604710e08c)
+- [Tests] use shared travis-ci configs [`69f6d9c`](https://github.com/inspect-js/is-map/commit/69f6d9c52a06dda27419eb41572b8db6009f6d49)
+- Only apps should have lockfiles [`408cccd`](https://github.com/inspect-js/is-map/commit/408cccdc824c017547573d816b2201e9cfb9a292)
+- [Tests] add `npx aud` in `posttest` [`5eadb02`](https://github.com/inspect-js/is-map/commit/5eadb02075754732df3532bc2e98ca6307c46537)
+
+## [v1.0.1](https://github.com/inspect-js/is-map/compare/v1.0.0...v1.0.1) - 2015-07-02
+
+### Commits
+
+- small tweaks [`2bd7622`](https://github.com/inspect-js/is-map/commit/2bd762263930d4f72eedd3a54678e1692062d53f)
+- Add `related` section to readme [`3231e74`](https://github.com/inspect-js/is-map/commit/3231e748fbf1d4d7d1662b8a559e73cc1e69468b)
+- Update license info in `readme.md` [`3a03b38`](https://github.com/inspect-js/is-map/commit/3a03b387b798d5eda09965dcf63e0c9fb9c7ddac)
+- editorconfig: indent yml using 2 spaces [`d724177`](https://github.com/inspect-js/is-map/commit/d724177b7eb103174cd9ca1dce4a914e3dfdb1cd)
+
+## v1.0.0 - 2015-02-18
+
+### Commits
+
+- init [`73b9f38`](https://github.com/inspect-js/is-map/commit/73b9f38e3d3c0435e639a7e054714d71b6ddae9b)
Index: frontend/node_modules/is-map/LICENSE
===================================================================
--- frontend/node_modules/is-map/LICENSE	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/is-map/LICENSE	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -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.
Index: frontend/node_modules/is-map/README.md
===================================================================
--- frontend/node_modules/is-map/README.md	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/is-map/README.md	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,52 @@
+# is-map <sup>[![Version Badge][2]][1]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![dependency status][5]][6]
+[![dev dependency status][7]][8]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][11]][1]
+
+Is this value a JS Map? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
+
+## Example
+
+```js
+var isMap = require('is-map');
+assert(!isMap(function () {}));
+assert(!isMap(null));
+assert(!isMap(function* () { yield 42; return Infinity; });
+assert(!isMap(Symbol('foo')));
+assert(!isMap(1n));
+assert(!isMap(Object(1n)));
+
+assert(!isMap(new Set()));
+assert(!isMap(new WeakSet()));
+assert(!isMap(new WeakMap()));
+
+assert(isMap(new Map()));
+
+class MyMap extends Map {}
+assert(isMap(new MyMap()));
+```
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+[1]: https://npmjs.org/package/is-map
+[2]: https://versionbadg.es/inspect-js/is-map.svg
+[5]: https://david-dm.org/inspect-js/is-map.svg
+[6]: https://david-dm.org/inspect-js/is-map
+[7]: https://david-dm.org/inspect-js/is-map/dev-status.svg
+[8]: https://david-dm.org/inspect-js/is-map#info=devDependencies
+[11]: https://nodei.co/npm/is-map.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/is-map.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/is-map.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=is-map
+[codecov-image]: https://codecov.io/gh/inspect-js/is-map/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/inspect-js/is-map/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/is-map
+[actions-url]: https://github.com/inspect-js/is-map/actions
Index: frontend/node_modules/is-map/index.d.ts
===================================================================
--- frontend/node_modules/is-map/index.d.ts	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/is-map/index.d.ts	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,3 @@
+declare function isMap<K = unknown, V = unknown>(x: unknown): x is Map<K, V>;
+
+export = isMap;
Index: frontend/node_modules/is-map/index.js
===================================================================
--- frontend/node_modules/is-map/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/is-map/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,47 @@
+'use strict';
+
+/** @const */
+var $Map = typeof Map === 'function' && Map.prototype ? Map : null;
+var $Set = typeof Set === 'function' && Set.prototype ? Set : null;
+
+var exported;
+
+if (!$Map) {
+	/** @type {import('.')} */
+	// eslint-disable-next-line no-unused-vars
+	exported = function isMap(x) {
+		// `Map` is not present in this environment.
+		return false;
+	};
+}
+
+var $mapHas = $Map ? Map.prototype.has : null;
+var $setHas = $Set ? Set.prototype.has : null;
+if (!exported && !$mapHas) {
+	/** @type {import('.')} */
+	// eslint-disable-next-line no-unused-vars
+	exported = function isMap(x) {
+		// `Map` does not have a `has` method
+		return false;
+	};
+}
+
+/** @type {import('.')} */
+module.exports = exported || function isMap(x) {
+	if (!x || typeof x !== 'object') {
+		return false;
+	}
+	try {
+		$mapHas.call(x);
+		if ($setHas) {
+			try {
+				$setHas.call(x);
+			} catch (e) {
+				return true;
+			}
+		}
+		// @ts-expect-error TS can't figure out that $Map is always truthy here
+		return x instanceof $Map; // core-js workaround, pre-v2.5.0
+	} catch (e) {}
+	return false;
+};
Index: frontend/node_modules/is-map/package.json
===================================================================
--- frontend/node_modules/is-map/package.json	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/is-map/package.json	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,79 @@
+{
+	"name": "is-map",
+	"version": "2.0.3",
+	"description": "Is this value a JS Map? This module works cross-realm/iframe, and despite ES6 @@toStringTag.",
+	"main": "index.js",
+	"sideEffects": false,
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\"",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"pretest": "npm run lint",
+		"lint": "eslint --ext=js,mjs .",
+		"postlint": "tsc -p . && attw -P",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"tests:shims": "nyc tape --require=es5-shim --require=es5-shim 'test/**/*.js'",
+		"tests:corejs": "nyc tape --require=core-js 'test/**/*.js'",
+		"test": "npm run tests-only && npm run tests:shims && npm run tests:corejs",
+		"posttest": "aud --production"
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/inspect-js/is-map.git"
+	},
+	"keywords": [
+		"map",
+		"set",
+		"collection",
+		"is",
+		"robust"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/inspect-js/is-map/issues"
+	},
+	"homepage": "https://github.com/inspect-js/is-map#readme",
+	"devDependencies": {
+		"@arethetypeswrong/cli": "^0.15.0",
+		"@ljharb/eslint-config": "^21.1.0",
+		"@types/for-each": "^0.3.3",
+		"@types/object-inspect": "^1.8.4",
+		"@types/tape": "^5.6.4",
+		"aud": "^2.0.4",
+		"auto-changelog": "^2.4.0",
+		"core-js": "^2.6.12",
+		"es5-shim": "^4.6.7",
+		"es6-shim": "^0.35.8",
+		"eslint": "=8.8.0",
+		"for-each": "^0.3.3",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"object-inspect": "^1.13.1",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.5",
+		"typescript": "^5.5.0-dev.20240308"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	},
+	"engines": {
+		"node": ">= 0.4"
+	}
+}
Index: frontend/node_modules/is-map/test/index.js
===================================================================
--- frontend/node_modules/is-map/test/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/is-map/test/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,59 @@
+'use strict';
+
+var test = require('tape');
+var debug = require('object-inspect');
+var forEach = require('for-each');
+
+var isMap = require('..');
+
+test('non-collections', function (t) {
+	forEach([
+		null,
+		undefined,
+		true,
+		false,
+		42,
+		0,
+		-0,
+		NaN,
+		Infinity,
+		'',
+		'foo',
+		/a/g,
+		[],
+		{},
+		function () {}
+	], function (nonCollection) {
+		t.equal(isMap(nonCollection), false, debug(nonCollection) + ' is not a Map');
+	});
+
+	t.end();
+});
+
+test('Maps', { skip: typeof Map !== 'function' }, function (t) {
+	var m = new Map();
+	t.equal(isMap(m), true, debug(m) + ' is a Map');
+
+	t.end();
+});
+
+test('Sets', { skip: typeof Set !== 'function' }, function (t) {
+	var s = new Set();
+	t.equal(isMap(s), false, debug(s) + ' is not a Map');
+
+	t.end();
+});
+
+test('WeakMaps', { skip: typeof WeakMap !== 'function' }, function (t) {
+	var wm = new WeakMap();
+	t.equal(isMap(wm), false, debug(wm) + ' is not a Map');
+
+	t.end();
+});
+
+test('WeakSets', { skip: typeof WeakSet !== 'function' }, function (t) {
+	var ws = new WeakSet();
+	t.equal(isMap(ws), false, debug(ws) + ' is not a Map');
+
+	t.end();
+});
Index: frontend/node_modules/is-map/tsconfig.json
===================================================================
--- frontend/node_modules/is-map/tsconfig.json	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/is-map/tsconfig.json	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,49 @@
+{
+  "compilerOptions": {
+    /* Visit https://aka.ms/tsconfig to read more about this file */
+
+    /* Projects */
+
+    /* Language and Environment */
+    "target": "ESNext",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
+    // "lib": [],                                        /* Specify a set of bundled library declaration files that describe the target runtime environment. */
+    // "noLib": true,                                    /* Disable including any library files, including the default lib.d.ts. */
+    "useDefineForClassFields": true,                     /* Emit ECMAScript-standard-compliant class fields. */
+    // "moduleDetection": "auto",                        /* Control what method is used to detect module-format JS files. */
+
+    /* Modules */
+    "module": "commonjs",                                /* Specify what module code is generated. */
+    // "rootDir": "./",                                  /* Specify the root folder within your source files. */
+    // "moduleResolution": "node10",                     /* Specify how TypeScript looks up a file from a given module specifier. */
+    // "baseUrl": "./",                                  /* Specify the base directory to resolve non-relative module names. */
+    // "paths": {},                                      /* Specify a set of entries that re-map imports to additional lookup locations. */
+    // "rootDirs": [],                                   /* Allow multiple folders to be treated as one when resolving modules. */
+    "typeRoots": ["types"],                              /* Specify multiple folders that act like './node_modules/@types'. */
+    "resolveJsonModule": true,                           /* Enable importing .json files. */
+    // "allowArbitraryExtensions": true,                 /* Enable importing files with any extension, provided a declaration file is present. */
+
+    /* JavaScript Support */
+    "allowJs": true,                                     /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */
+    "checkJs": true,                                     /* Enable error reporting in type-checked JavaScript files. */
+    "maxNodeModuleJsDepth": 0,                           /* Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'. */
+
+    /* Emit */
+    "declaration": true,                                 /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
+    "declarationMap": true,                              /* Create sourcemaps for d.ts files. */
+    "noEmit": true,                                      /* Disable emitting files from a compilation. */
+
+    /* Interop Constraints */
+    "allowSyntheticDefaultImports": true,                /* Allow 'import x from y' when a module doesn't have a default export. */
+    "esModuleInterop": true,                             /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */
+    "forceConsistentCasingInFileNames": true,            /* Ensure that casing is correct in imports. */
+
+    /* Type Checking */
+    "strict": true,                                      /* Enable all strict type-checking options. */
+
+    /* Completeness */
+    //"skipLibCheck": true                                 /* Skip type checking all .d.ts files. */
+  },
+  "exclude": [
+    "coverage"
+  ]
+}
