js: Remove some pointless IIFEs.

Some of these were there because they predate block-scoped const/let.

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

static/js/click_handlers.js

@@ -607,13 +607,13 @@ export function initialize() {
 
     // MISC
 
-    (function () {
+    {
         const sel = ["#stream_filters", "#global_filters", "#user_presences"].join(", ");
 
         $(sel).on("click", "a", function () {
             this.blur();
         });
-    })();
+    }
 
     popovers.register_click_handlers();
     emoji_picker.register_click_handlers();
@@ -765,7 +765,7 @@ export function initialize() {
     // Don't focus links on context menu.
     $("body").on("contextmenu", "a", (e) => e.target.blur());
 
-    (function () {
+    {
         const map = {
             ".stream-description-editable": {
                 on_start: stream_edit.set_raw_description,
@@ -841,7 +841,7 @@ export function initialize() {
                 $(`[data-make-editable='${CSS.escape(selector)}']`).html("");
             }
         });
-    })();
+    }
 
     // HOTSPOTS
 

static/js/components.js

@@ -14,12 +14,11 @@ import * as keydown_util from "./keydown_util";
 */
 
 export function toggle(opts) {
-    const component = (function render_component(opts) {
-        const _component = $("<div class='tab-switcher'></div>");
+    const component = $("<div class='tab-switcher'></div>");
     if (opts.html_class) {
         // add a check inside passed arguments in case some extra
         // classes need to be added for correct alignment or other purposes
-            _component.addClass(opts.html_class);
+        component.addClass(opts.html_class);
     }
     for (const [i, value] of opts.values.entries()) {
         // create a tab with a tab-id so they don't have to be referenced
@@ -48,10 +47,8 @@ export function toggle(opts) {
         } else {
             tab.addClass("middle");
         }
-            _component.append(tab);
+        component.append(tab);
     }
-        return _component;
-    })(opts);
 
     const meta = {
         $ind_tab: component.find(".ind-tab"),
@@ -103,7 +100,6 @@ export function toggle(opts) {
         return false;
     }
 
-    (function () {
     meta.$ind_tab.on("click", function () {
         const idx = $(this).data("tab-id");
         select_tab(idx);
@@ -121,7 +117,6 @@ export function toggle(opts) {
     if (typeof opts.selected === "number") {
         select_tab(opts.selected);
     }
-    })();
 
     const prototype = {
         // Skip disabled tabs and go to the next one.

static/js/input_pill.js

@@ -245,7 +245,7 @@ export function create(opts) {
         },
     };
 
-    (function events() {
+    {
         store.$parent.on("keydown", ".input", (e) => {
             const char = e.keyCode || e.charCode;
 
@@ -380,7 +380,7 @@ export function create(opts) {
             );
             e.preventDefault();
         });
-    })();
+    }
 
     // the external, user-accessible prototype.
     const prototype = {

static/js/narrow.js

@@ -321,7 +321,7 @@ export function activate(raw_operators, opts) {
 
     const select_immediately = id_info.local_select_id !== undefined;
 
-    (function fetch_messages() {
+    {
         let anchor;
 
         // Either we're trying to center the narrow around a
@@ -354,7 +354,7 @@ export function activate(raw_operators, opts) {
                 maybe_report_narrow_time(msg_list);
             },
         });
-    })();
+    }
 
     if (select_immediately) {
         update_selection({

static/js/popovers.js

@@ -85,21 +85,17 @@ function elem_to_user_id(elem) {
 // and push the $.fn.data($o, "popover") results to an array.
 // this is needed so that when we try to unload popovers, we can kill all dead
 // ones that no longer have valid parents in the DOM.
-(function (popover) {
-    $.fn.popover = function (...args) {
+const old_popover = $.fn.popover;
+$.fn.popover = Object.assign(function (...args) {
     // apply the jQuery object as `this`, and popover function arguments.
-        popover.apply(this, args);
+    old_popover.apply(this, args);
 
     // if there is a valid "popover" key in the jQuery data object then
     // push it to the array.
     if (this.data("popover")) {
         list_of_popovers.push(this.data("popover"));
     }
-    };
-
-    // add back all shallow properties of $.fn.popover to the new proxied version.
-    Object.assign($.fn.popover, popover);
-})($.fn.popover);
+}, old_popover);
 
 function copy_email_handler(e) {
     const email_el = $(e.trigger.parentElement);
@@ -1325,7 +1321,7 @@ export function register_click_handlers() {
         e.preventDefault();
     });
 
-    (function () {
+    {
         let last_scroll = 0;
 
         $(".app").on("scroll", () => {
@@ -1346,7 +1342,7 @@ export function register_click_handlers() {
             // retrigger `hide_all` while still scrolling.
             last_scroll = date;
         });
-    })();
+    }
 }
 
 export function any_active() {

static/js/resize.js

@@ -123,7 +123,6 @@ function left_userlist_get_new_heights() {
 }
 
 export function watch_manual_resize(element) {
-    return (function on_box_resize(cb) {
     const box = document.querySelector(element);
 
     if (!box) {
@@ -145,23 +144,19 @@ export function watch_manual_resize(element) {
 
     // If the user resizes the textarea manually, we use the
     // callback to stop autosize from adjusting the height.
+    // It will be re-enabled when this component is next opened.
     const body_handler = function () {
         if (meta.mousedown === true) {
             meta.mousedown = false;
             if (meta.height !== meta.box.clientHeight) {
                 meta.height = meta.box.clientHeight;
-                    cb.call(meta.box, meta.height);
+                autosize.destroy($(element)).height(meta.height + "px");
             }
         }
     };
     document.body.addEventListener("mouseup", body_handler);
 
     return [box_handler, body_handler];
-    })((height) => {
-        // This callback disables autosize on the textarea.  It
-        // will be re-enabled when this component is next opened.
-        autosize.destroy($(element)).height(height + "px");
-    });
 }
 
 export function resize_bottom_whitespace(h) {

static/js/settings_user_groups.js

@@ -279,10 +279,7 @@ export function populate_user_groups() {
             pill_typeahead.set_up(input, pills, opts);
         }
 
-        (function pill_remove() {
-            if (!can_edit(data.id)) {
-                return;
-            }
+        if (can_edit(data.id)) {
             pills.onPillRemove(() => {
                 // onPillRemove is fired before the pill is removed from
                 // the DOM.
@@ -291,7 +288,7 @@ export function populate_user_groups() {
                     input.trigger("focus");
                 }, 100);
             });
-        })();
+        }
     }
 }
 

static/js/subs.js

@@ -1030,7 +1030,7 @@ export function initialize() {
         $(".subscriptions-header").removeClass("slide-left");
     });
 
-    (function defocus_sub_settings() {
+    {
         const sel = ".search-container, .streams-list, .subscriptions-header";
 
         $("#subscriptions_table").on("click", sel, (e) => {
@@ -1038,5 +1038,5 @@ export function initialize() {
                 stream_edit.open_edit_panel_empty();
             }
         });
-    })();
+    }
 }

static/shared/js/fenced_code.js

@@ -106,7 +106,6 @@ export function process_fenced_code(content) {
     function handler_for_fence(output_lines, fence, lang, header) {
         // lang is ignored except for 'quote', as we
         // don't do syntax highlighting yet
-        return (function () {
         const lines = [];
         if (lang === "quote") {
             return {
@@ -180,7 +179,6 @@ export function process_fenced_code(content) {
                 handler_stack.pop();
             },
         };
-        })();
     }
 
     function default_hander() {