js: Convert _.uniq(a) to Array.from(new Set(a)).

Signed-off-by: Anders Kaseorg <anders@zulipchat.com>

frontend_tests/node_tests/components.js

@@ -22,7 +22,7 @@ function make_tab(i) {
     self.addClass = (c) => {
         self.class += " " + c;
         const tokens = self.class.trim().split(/ +/);
-        self.class = _.uniq(tokens).join(" ");
+        self.class = Array.from(new Set(tokens)).join(" ");
     };
 
     self.removeClass = (c) => {

static/js/typing_data.js

@@ -1,5 +1,3 @@
-import _ from "lodash";
-
 import * as muted_users from "./muted_users";
 import * as util from "./util";
 
@@ -56,7 +54,6 @@ export function get_group_typists(group) {
 export function get_all_typists() {
     let typists = Array.from(typist_dct.values()).flat();
     typists = util.sorted_ids(typists);
-    typists = _.sortedUniq(typists);
     return muted_users.filter_muted_user_ids(typists);
 }
 

static/js/util.js

@@ -1,5 +1,3 @@
-import _ from "lodash";
-
 import {$t} from "./i18n";
 
 // From MDN: https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Math/random
@@ -202,8 +200,8 @@ export function sorted_ids(ids) {
     // This mapping makes sure we are using ints, and
     // it also makes sure we don't mutate the list.
     let id_list = ids.map((s) => Number.parseInt(s, 10));
+    id_list = Array.from(new Set(id_list));
     id_list.sort((a, b) => a - b);
-    id_list = _.sortedUniq(id_list);
 
     return id_list;
 }