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accounts: infinite scroll for performance

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Found out the bottleneck when ~2000 or more elements are loaded isn't
the search or sort or anything, but the DOM. An infinite scroll
implementation is added, where elements are added to the DOM as you
scroll. May still be a little buggy, and can't yet cope with screen
resizes. Also, the "shown" indicator is broken.
This commit is contained in:
Harvey Tindall
2025-05-22 21:10:49 +01:00
parent 64a144034d
commit 1ec3ddad9f
7 changed files with 216 additions and 67 deletions
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ts/modules/accounts.ts
+22 -29
View File
@@ -1,11 +1,13 @@
import { _get, _post, _delete, toggleLoader, addLoader, removeLoader, toDateString, insertText, toClipboard } from "../modules/common.js";
import { templateEmail } from "../modules/settings.js";
import { _get, _post, _delete, toggleLoader, addLoader, removeLoader, toDateString, insertText, toClipboard } from "../modules/common"
import { templateEmail } from "../modules/settings"
import { Marked } from "@ts-stack/markdown";
import { stripMarkdown } from "../modules/stripmd.js";
import { DiscordUser, newDiscordSearch } from "../modules/discord.js";
import { Search, SearchConfiguration, QueryType, SearchableItem, SearchableItems } from "../modules/search.js";
import { HiddenInputField } from "./ui.js";
import { PaginatedList } from "./list.js";
import { stripMarkdown } from "../modules/stripmd"
import { DiscordUser, newDiscordSearch } from "../modules/discord"
import { SearchConfiguration, QueryType, SearchableItem, SearchableItemDataAttribute } from "../modules/search"
import { HiddenInputField } from "./ui"
import { PaginatedList } from "./list"
// FIXME: Find and define a threshold after which searches are no longer performed on input (or just in general by the browser).
declare var window: GlobalWindow;
@@ -780,7 +782,10 @@ class user implements User, SearchableItem {
});
get id() { return this._id; }
set id(v: string) { this._id = v; }
set id(v: string) {
this._id = v;
this._row.setAttribute(SearchableItemDataAttribute, v);
}
update = (user: User) => {
@@ -821,10 +826,8 @@ interface UsersDTO extends paginatedDTO {
users: User[];
}
interface UsersReqDTO extends PaginatedReqDTO {};
export class accountsList extends PaginatedList {
private _table = document.getElementById("accounts-list") as HTMLTableSectionElement;
protected _container = document.getElementById("accounts-list") as HTMLTableSectionElement;
private _addUserButton = document.getElementById("accounts-add-user") as HTMLSpanElement;
private _announceButton = document.getElementById("accounts-announce") as HTMLSpanElement;
@@ -973,6 +976,9 @@ export class accountsList extends PaginatedList {
});
this._populateNumbers();
// FIXME: Remove!
(window as any).s = this;
let searchConfig: SearchConfiguration = {
filterArea: this._c.filterArea,
sortingByButton: this._sortingByButton,
@@ -1253,7 +1259,7 @@ export class accountsList extends PaginatedList {
set selectAll(state: boolean) {
let count = 0;
for (let id in this.users) {
if (this._table.contains(this.users[id].asElement())) { // Only select visible elements
if (this._container.contains(this.users[id].asElement())) { // Only select visible elements
this.users[id].selected = state;
count++;
}
@@ -1268,7 +1274,7 @@ export class accountsList extends PaginatedList {
for (let id of this._search.ordering) {
if (!(inRange || id == startID)) continue;
inRange = true;
if (!(this._table.contains(this.users[id].asElement()))) continue;
if (!(this._container.contains(this.users[id].asElement()))) continue;
this.users[id].selected = true;
if (id == endID) return;
}
@@ -1300,7 +1306,7 @@ export class accountsList extends PaginatedList {
} else {
let visibleCount = 0;
for (let id in this.users) {
if (this._table.contains(this.users[id].asElement())) {
if (this._container.contains(this.users[id].asElement())) {
visibleCount++;
}
}
@@ -1403,7 +1409,7 @@ export class accountsList extends PaginatedList {
private _collectUsers = (): string[] => {
let list: string[] = [];
for (let id in this.users) {
if (this._table.contains(this.users[id].asElement()) && this.users[id].selected) { list.push(id); }
if (this._container.contains(this.users[id].asElement()) && this.users[id].selected) { list.push(id); }
}
return list;
}
@@ -2065,20 +2071,7 @@ export class accountsList extends PaginatedList {
this._displayExpiryDate();
window.modals.extendExpiry.show();
}
setVisibility = (users: string[], visible: boolean) => {
console.log(`setting ${users.length} users as visible: ${visible}`);
this._table.textContent = "";
for (let id of this._search.ordering) {
if (visible && users.indexOf(id) != -1) {
this._table.appendChild(this.users[id].asElement());
} else if (!visible && users.indexOf(id) == -1) {
this._table.appendChild(this.users[id].asElement());
}
}
}
private _populateAddUserProfiles = () => {
this._addUserProfile.textContent = "";
let innerHTML = `<option value="none">${window.lang.strings("inviteNoProfile")}</option>`;