add emoji registration methods

src/Client.js

@@ -560,6 +560,40 @@ class Client extends EventsEmitter {
     );
   }
 
+  /**
+   * Fetches the emojis for this client.
+   * @returns {Array<Object>}
+   * @public
+   * @method
+   * @async
+   */
+  async fetchEmojis() {
+    return this.request.makeRequest("getClientEmojis", [this.user.id]);
+  }
+
+  /**
+   * Creates an emoji for this client.
+   * @param {Object} emoji The emoji to create.
+   * @param {String} emoji.name The name of the emoji.
+   * @param {String} emoji.image The image of the emoji (base64, should start with "data:image/png;base64,").
+   * @returns {Promise<void>}
+   * @public
+   * @method
+   * @async
+   * @throws {TypeError}
+   */
+  async createEmoji({ name, image }) {
+    if (typeof name !== "string")
+      throw new TypeError(`GLUON: Name is not a string. Got ${typeof name}`);
+    if (typeof image !== "string")
+      throw new TypeError(`GLUON: Image is not a string. Got ${typeof image}`);
+
+    return this.request.makeRequest("createClientEmoji", [this.user.id], {
+      name,
+      image,
+    });
+  }
+
   /**
    * Sets the bot's status across all shards.
    * @param {Object} status Status options.

src/rest/endpoints.js

@@ -404,4 +404,24 @@ export default {
       return HttpResponse.json(TEST_DATA.TEXT_CHANNEL);
     },
   },
+  getClientEmojis: {
+    path: (client_id) => {
+      return `/applications/${client_id}/emojis`;
+    },
+    method: "GET",
+    majorParams: [0],
+    mockResponse: ({ params } = {}) => {
+      return HttpResponse.json([TEST_DATA.EMOJI]);
+    },
+  },
+  postAddClientEmoji: {
+    path: (client_id) => {
+      return `/applications/${client_id}/emojis`;
+    },
+    method: "POST",
+    majorParams: [0],
+    mockResponse: ({ params } = {}) => {
+      return HttpResponse.json(TEST_DATA.EMOJI);
+    },
+  },
 };

test/Client.js

@@ -321,6 +321,69 @@ describe("Client", function () {
       );
     });
   });
+  context("check fetchEmojis", function () {
+    it("should be a function", function () {
+      const client = new Client({
+        intents: INTENTS.GUILDS,
+      });
+      expect(client.fetchEmojis).to.be.a("function");
+    });
+    it("should call getGuildEmojis with the correct arguments", async function () {
+      const client = new Client({
+        intents: INTENTS.GUILDS,
+      });
+      client.request = { makeRequest: () => {} };
+      client.user = new User(client, TEST_DATA.CLIENT_USER);
+      const request = spy(client.request, "makeRequest");
+      await client.fetchEmojis();
+      expect(request).to.be.calledOnce;
+      expect(request).to.be.calledOnceWith("getClientEmojis", [
+        TEST_DATA.CLIENT_USER.id,
+      ]);
+    });
+  });
+  context("check createEmoji", function () {
+    it("should be a function", function () {
+      const client = new Client({
+        intents: INTENTS.GUILDS,
+      });
+      expect(client.createEmoji).to.be.a("function");
+    });
+    it("should throw an error if name is not a string", async function () {
+      const client = new Client({
+        intents: INTENTS.GUILDS,
+      });
+      await expect(client.createEmoji({ name: 1 })).to.be.rejectedWith(
+        "GLUON: Name is not a string.",
+      );
+    });
+    it("should throw an error if image is not a string", async function () {
+      const client = new Client({
+        intents: INTENTS.GUILDS,
+      });
+      await expect(
+        client.createEmoji({ name: "test", image: 1 }),
+      ).to.be.rejectedWith("GLUON: Image is not a string.");
+    });
+    it("should call createGuildEmoji with the correct arguments", async function () {
+      const client = new Client({
+        intents: INTENTS.GUILDS,
+      });
+      client.request = { makeRequest: () => {} };
+      client.user = new User(client, TEST_DATA.CLIENT_USER);
+      const request = spy(client.request, "makeRequest");
+      await client.createEmoji({ name: "test", image: "testImage" });
+      expect(request).to.be.calledOnce;
+      expect(request).to.be.calledOnceWith(
+        "createClientEmoji",
+        [TEST_DATA.CLIENT_USER.id],
+        {
+          name: "test",
+          image: "testImage",
+        },
+      );
+    });
+  });
   context("check setStatus", function () {
     it("should be a function", function () {
       const client = new Client({