feat(generics): add a new performant resizable table

frontend/package.json

@@ -43,6 +43,7 @@
 		"@sentry/react": "8.41.0",
 		"@sentry/webpack-plugin": "2.22.6",
 		"@signozhq/design-tokens": "1.1.4",
+		"@tanstack/react-table": "8.20.6",
 		"@uiw/react-md-editor": "3.23.5",
 		"@visx/group": "3.3.0",
 		"@visx/shape": "3.5.0",
@@ -153,6 +154,7 @@
 		"@babel/preset-typescript": "^7.21.4",
 		"@commitlint/cli": "^16.3.0",
 		"@commitlint/config-conventional": "^16.2.4",
+		"@faker-js/faker": "9.3.0",
 		"@jest/globals": "^27.5.1",
 		"@playwright/test": "^1.22.0",
 		"@testing-library/jest-dom": "5.16.5",

frontend/src/components/PerformantColumnResizingTable/PerformantColumnResizingTable.styles.scss

@@ -0,0 +1,64 @@
+table,
+.divTable {
+	border: 1px solid lightgray;
+	width: fit-content;
+}
+
+.tr {
+	display: flex;
+}
+
+tr,
+.tr {
+	width: fit-content;
+	height: 30px;
+}
+
+th,
+.th,
+td,
+.td {
+	box-shadow: inset 0 0 0 1px lightgray;
+	padding: 0.25rem;
+}
+
+th,
+.th {
+	padding: 2px 4px;
+	position: relative;
+	font-weight: bold;
+	text-align: center;
+	height: 30px;
+}
+
+td,
+.td {
+	height: 30px;
+}
+
+.resizer {
+	position: absolute;
+	top: 0;
+	height: 100%;
+	right: 0;
+	width: 5px;
+	background: rgba(0, 0, 0, 0.5);
+	cursor: col-resize;
+	user-select: none;
+	touch-action: none;
+}
+
+.resizer.isResizing {
+	background: blue;
+	opacity: 1;
+}
+
+@media (hover: hover) {
+	.resizer {
+		opacity: 0;
+	}
+
+	*:hover > .resizer {
+		opacity: 1;
+	}
+}

frontend/src/components/PerformantColumnResizingTable/PerformantColumnResizingTable.tsx

@@ -0,0 +1,137 @@
+import './PerformantColumnResizingTable.styles.scss';
+
+import {
+	ColumnDef,
+	flexRender,
+	getCoreRowModel,
+	Table,
+	useReactTable,
+} from '@tanstack/react-table';
+import React, { useMemo } from 'react';
+
+// here we are manually rendering the table body so that we can memoize the same for performant re-renders
+function TableBody<T>({ table }: { table: Table<T> }): JSX.Element {
+	return (
+		<div className="tbody">
+			{table.getRowModel().rows.map((row) => (
+				<div key={row.id} className="tr">
+					{row.getVisibleCells().map((cell) => (
+						<div
+							key={cell.id}
+							className="td"
+							// we are manually setting the column width here based on the calculated column vars
+							style={{
+								width: `calc(var(--col-${cell.column.id}-size) * 1px)`,
+							}}
+						>
+							{cell.renderValue<any>()}
+						</div>
+					))}
+				</div>
+			))}
+		</div>
+	);
+}
+
+// memoize the table body based on the data object being passed to the table
+const MemoizedTableBody = React.memo(
+	TableBody,
+	(prev, next) => prev.table.options.data === next.table.options.data,
+) as typeof TableBody;
+
+interface ITableConfig {
+	defaultColumnMinSize: number;
+	defaultColumnMaxSize: number;
+}
+interface IPerformantColumnResizingTableProps<T> {
+	columns: ColumnDef<T>[];
+	data: T[];
+	config: ITableConfig;
+}
+
+export function PerformantColumnResizingTable<T>(
+	props: IPerformantColumnResizingTableProps<T>,
+): JSX.Element {
+	const { data, columns, config } = props;
+
+	const table = useReactTable({
+		data,
+		columns,
+		defaultColumn: {
+			minSize: config.defaultColumnMinSize,
+			maxSize: config.defaultColumnMaxSize,
+		},
+		columnResizeMode: 'onChange',
+		getCoreRowModel: getCoreRowModel(),
+		debugTable: true,
+		debugHeaders: true,
+		debugColumns: true,
+	});
+
+	/**
+	 * Instead of calling `column.getSize()` on every render for every header
+	 * and especially every data cell (very expensive),
+	 * we will calculate all column sizes at once at the root table level in a useMemo
+	 * and pass the column sizes down as CSS variables to the <table> element.
+	 */
+	const columnSizeVars = useMemo(() => {
+		const headers = table.getFlatHeaders();
+		const colSizes: { [key: string]: number } = {};
+		for (let i = 0; i < headers.length; i++) {
+			const header = headers[i]!;
+			colSizes[`--header-${header.id}-size`] = header.getSize();
+			colSizes[`--col-${header.column.id}-size`] = header.column.getSize();
+		}
+		return colSizes;
+		// eslint-disable-next-line react-hooks/exhaustive-deps
+	}, [table.getState().columnSizingInfo, table.getState().columnSizing]);
+
+	return (
+		<div className="p-2">
+			{/* Here in the <table> equivalent element (surrounds all table head and data cells), we will define our CSS variables for column sizes */}
+			<div
+				className="divTable"
+				style={{
+					...columnSizeVars, // Define column sizes on the <table> element
+					width: table.getTotalSize(),
+				}}
+			>
+				<div className="thead">
+					{table.getHeaderGroups().map((headerGroup) => (
+						<div key={headerGroup.id} className="tr">
+							{headerGroup.headers.map((header) => (
+								<div
+									key={header.id}
+									className="th"
+									style={{
+										width: `calc(var(--header-${header?.id}-size) * 1px)`,
+									}}
+								>
+									{header.isPlaceholder
+										? null
+										: flexRender(header.column.columnDef.header, header.getContext())}
+									<div
+										{...{
+											onDoubleClick: (): void => header.column.resetSize(),
+											onMouseDown: header.getResizeHandler(),
+											onTouchStart: header.getResizeHandler(),
+											className: `resizer ${
+												header.column.getIsResizing() ? 'isResizing' : ''
+											}`,
+										}}
+									/>
+								</div>
+							))}
+						</div>
+					))}
+				</div>
+				{/* When resizing any column we will render this special memoized version of our table body */}
+				{table.getState().columnSizingInfo.isResizingColumn ? (
+					<MemoizedTableBody table={table} />
+				) : (
+					<TableBody table={table} />
+				)}
+			</div>
+		</div>
+	);
+}

frontend/yarn.lock

@@ -2599,6 +2599,11 @@
     minimatch "^3.0.4"
     strip-json-comments "^3.1.1"
 
+"@faker-js/[email protected]":
+  version "9.3.0"
+  resolved "https://registry.yarnpkg.com/@faker-js/faker/-/faker-9.3.0.tgz#ef398dab34c67faaa0e348318c905eae3564fa58"
+  integrity sha512-r0tJ3ZOkMd9xsu3VRfqlFR6cz0V/jFYRswAIpC+m/DIfAUXq7g8N7wTAlhSANySXYGKzGryfDXwtwsY8TxEIDw==
+
 "@floating-ui/core@^1.4.2":
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/@floating-ui/core/-/core-1.5.2.tgz#53a0f7a98c550e63134d504f26804f6b83dbc071"
@@ -3678,6 +3683,18 @@
   dependencies:
     "@sinonjs/commons" "^1.7.0"
 
+"@tanstack/[email protected]":
+  version "8.20.6"
+  resolved "https://registry.yarnpkg.com/@tanstack/react-table/-/react-table-8.20.6.tgz#a1f3103327aa59aa621931f4087a7604a21054d0"
+  integrity sha512-w0jluT718MrOKthRcr2xsjqzx+oEM7B7s/XXyfs19ll++hlId3fjTm+B2zrR3ijpANpkzBAr15j1XGVOMxpggQ==
+  dependencies:
+    "@tanstack/table-core" "8.20.5"
+
+"@tanstack/[email protected]":
+  version "8.20.5"
+  resolved "https://registry.yarnpkg.com/@tanstack/table-core/-/table-core-8.20.5.tgz#3974f0b090bed11243d4107283824167a395cf1d"
+  integrity sha512-P9dF7XbibHph2PFRz8gfBKEXEY/HJPOhym8CHmjF8y3q5mWpKx9xtZapXQUWCgkqvsK0R46Azuz+VaxD4Xl+Tg==
+
 "@testing-library/dom@^8.5.0":
   version "8.20.0"
   resolved "https://registry.npmjs.org/@testing-library/dom/-/dom-8.20.0.tgz"