[frontend] Custom Emoji Deletion (#994)

* re-add eslint

* fix oauth url getting too long

* actually attach single emoji get and delete routes

* basic emoji details + deletion using rtk query

* refactor emoji upload to rtk query

* clean up old redux api+reducers for custom emoji

* fix validation order

* refactor custom emoji form fields

* remove unused requires

* cleanup, fix most eslint errors

* more small eslint fixes

* fix max emoji size

* tiny bit of function documentation

web/source/settings/lib/query/custom-emoji.js

@@ -0,0 +1,66 @@
+/*
+	 GoToSocial
+	 Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
+
+	 This program is free software: you can redistribute it and/or modify
+	 it under the terms of the GNU Affero General Public License as published by
+	 the Free Software Foundation, either version 3 of the License, or
+	 (at your option) any later version.
+
+	 This program is distributed in the hope that it will be useful,
+	 but WITHOUT ANY WARRANTY; without even the implied warranty of
+	 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	 GNU Affero General Public License for more details.
+
+	 You should have received a copy of the GNU Affero General Public License
+	 along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+"use strict";
+
+const base = require("./base");
+
+const endpoints = (build) => ({
+	getAllEmoji: build.query({
+		query: (params = {}) => ({
+			url: "/api/v1/admin/custom_emojis",
+			params: {
+				limit: 0,
+				...params
+			}
+		}),
+		providesTags: (res) => 
+			res
+				? [...res.map((emoji) => ({type: "Emojis", id: emoji.id})), {type: "Emojis", id: "LIST"}]
+				: [{type: "Emojis", id: "LIST"}]
+	}),
+	getEmoji: build.query({
+		query: (id) => ({
+			url: `/api/v1/admin/custom_emojis/${id}`
+		}),
+		providesTags: (res, error, id) => [{type: "Emojis", id}]
+	}),
+	addEmoji: build.mutation({
+		query: (form) => {
+			return {
+				method: "POST",
+				url: `/api/v1/admin/custom_emojis`,
+				asForm: true,
+				body: form
+			};
+		},
+		invalidatesTags: (res) => 
+			res
+				? [{type: "Emojis", id: "LIST"}, {type: "Emojis", id: res.id}]
+				: [{type: "Emojis", id: "LIST"}]
+	}),
+	deleteEmoji: build.mutation({
+		query: (id) => ({
+			method: "DELETE",
+			url: `/api/v1/admin/custom_emojis/${id}`
+		}),
+		invalidatesTags: (res, error, id) => [{type: "Emojis", id}]
+	})
+});
+
+module.exports = base.injectEndpoints({endpoints});