docs: minor typos (#1199)

README.md

@@ -928,7 +928,7 @@ Promise.all(slaves.map(node => node.flushdb()))
 const masters = cluster.nodes("master");
 Promise.all(masters.map(node => node.keys()).then(keys => {
   // keys: [['key1', 'key2'], ['key3', 'key4']]
-});
+}));
 ```
 
 ### NAT Mapping

lib/command.ts

@@ -335,7 +335,7 @@ export default class Command implements ICommand {
    *
    * @private
    * @param {Function} resolve The resolve function of the Promise
-   * @returns {Function} A funtion to transform and resolve a value
+   * @returns {Function} A function to transform and resolve a value
    * @memberof Command
    */
   private _convertValue(resolve: Function): (result: any) => void {

test/functional/send_command.ts

@@ -76,7 +76,7 @@ describe("send command", function () {
 
   it("should support utf8", function (done) {
     const redis = new Redis();
-    redis.set(Buffer.from("你好"), new String("你好"));
+    redis.set(Buffer.from("你好"), String("你好"));
     redis.getBuffer("你好", function (err, result) {
       expect(result.toString()).to.eql("你好");
       redis.get("你好", function (err, result) {

test/helpers/mock_server.ts

@@ -91,7 +91,7 @@ export default class MockServer extends EventEmitter {
             this.write(c, this.slotTable);
             return;
           }
-          const flags: Flags = {};
+          const flags: IFlags = {};
           const handlerResult = this.handler && this.handler(reply, c, flags);
           this.write(c, handlerResult);
           if (flags.disconnect) {