regular-table/benchmarks/benchmark.html at 245e3ed5feaee9db5b5c1e55fde8b36f3621caff · finos/regular-table · GitHub

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<!--
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-- ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
-- ┃  *  Copyright (c) 2020, the Regular Table Authors. This file is part   *  ┃
-- ┃  *  of the Regular Table library, distributed under the terms of the   *  ┃
-- ┃  *  [Apache License 2.0](https://www.apache.org/licenses/LICENSE-2.0). *  ┃
-- ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
-->

<!doctype html>
<html>
    <head>
        <meta
            name="viewport"
            content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"
        />
        <link rel="stylesheet" href="../dist/css/material.css" />
        <style>
            body {
                margin: 0;
                padding: 0;
            }

            regular-table {
                width: 100vw;
                height: 100vh;
                box-sizing: border-box;
            }

            td {
                color: #1078d1;
            }

            /* Alternating row colors for visual complexity */
            tbody tr:nth-child(even) {
                background-color: #f8f9fa;
            }

            /* Highlight negative values */
            td.negative {
                color: #dc3545;
            }

            /* Highlight large values */
            td.large {
                font-weight: bold;
                color: #28a745;
            }
        </style>
    </head>

    <body>
        <regular-table id="table"></regular-table>

        <script type="module">
            import "../dist/esm/regular-table.js";

            // Configuration - can be overridden via URL params
            const params = new URLSearchParams(window.location.search);
            const NUM_ROWS = parseInt(params.get("rows") || "100000", 10);
            const NUM_COLUMNS = parseInt(params.get("columns") || "10000", 10);
            const HEADER_DEPTH = parseInt(params.get("headerDepth") || "4", 10);
            const SIMULATE_LATENCY = parseInt(params.get("latency") || "0", 10);

            // // Various formatters for complex data
            // const numberFormatter = new Intl.NumberFormat("en-us");
            // const currencyFormatter = new Intl.NumberFormat("en-us", {
            //     style: "currency",
            //     currency: "USD",
            // });

            // const percentFormatter = new Intl.NumberFormat("en-us", {
            //     style: "percent",
            //     minimumFractionDigits: 2,
            // });

            // const dateFormatter = new Intl.DateTimeFormat("en-us", {
            //     year: "numeric",
            //     month: "short",
            //     day: "numeric",
            // });

            // Pseudo-random number generator with seed for reproducibility
            function seededRandom(seed) {
                const x = Math.sin(seed) * 10000;
                return x - Math.floor(x);
            }

            // Generate a random string of n characters
            function randomString(n) {
                const chars =
                    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
                let result = "";
                for (let i = 0; i < n; i++) {
                    result += chars.charAt(
                        Math.floor(Math.random() * chars.length),
                    );
                }
                return result;
            }

            const STRINGS = Array(200)
                .fill(0)
                .map(() => randomString(8));

            // Generate complex cell data based on position
            function generateCellData(x, y) {
                const seed = x * 0xdeadbeef + y;
                const rand = seededRandom(seed);
                const type = x % 2;
                switch (type) {
                    case 0:
                        return Math.floor(rand * 1000000) - 500000;
                    case 1:
                        return STRINGS[Math.floor(rand * STRINGS.length)];
                }
            }

            // Generate hierarchical headers
            function generateColumnHeaders(x) {
                const headers = [];
                if (HEADER_DEPTH >= 1) {
                    headers.push(`Sector ${Math.floor(x / 100)}`);
                }

                if (HEADER_DEPTH >= 2) {
                    headers.push(`Group ${Math.floor(x / 10)}`);
                }

                if (HEADER_DEPTH >= 3) {
                    headers.push(`Col ${x}`);
                }

                return headers;
            }

            function generateRowHeaders(y) {
                const headers = [];
                if (HEADER_DEPTH >= 1) {
                    headers.push(`Region ${Math.floor(y / 100)}`);
                }

                if (HEADER_DEPTH >= 2) {
                    headers.push(`Category ${Math.floor(y / 10)}`);
                }

                if (HEADER_DEPTH >= 3) {
                    headers.push(`Row ${y}`);
                }

                return headers;
            }

            // Complex data listener with optional simulated latency
            async function dataListener(x0, y0, x1, y1) {
                // Simulate network/computation latency if configured
                if (SIMULATE_LATENCY > 0) {
                    await new Promise((resolve) =>
                        setTimeout(resolve, SIMULATE_LATENCY),
                    );
                }

                const data = [];
                const column_headers = [];

                for (let x = x0; x < x1; x++) {
                    const column = [];
                    data.push(column);
                    column_headers.push(generateColumnHeaders(x));

                    for (let y = y0; y < y1; y++) {
                        column.push(generateCellData(x, y));
                    }
                }

                const row_headers = [];
                for (let y = y0; y < y1; y++) {
                    row_headers.push(generateRowHeaders(y));
                }

                return {
                    num_rows: NUM_ROWS,
                    num_columns: NUM_COLUMNS,
                    row_headers,
                    column_headers,
                    data,
                };
            }

            // Style listener to add CSS classes based on cell content
            function styleListener() {
                const table = document.getElementById("table");
                for (const td of table.querySelectorAll("tbody td")) {
                    const text = td.textContent;
                    td.classList.remove("negative", "large");

                    // Check for negative values
                    if (text.startsWith("-") || text.startsWith("($")) {
                        td.classList.add("negative");
                    }

                    // Check for large positive values
                    const numMatch = text.replace(/[$,%]/g, "").match(/[\d.]+/);
                    if (numMatch) {
                        const num = parseFloat(numMatch[0]);
                        if (num > 100000) {
                            td.classList.add("large");
                        }
                    }
                }
            }

            // Initialize table
            const table = document.getElementById("table");
            table.setDataListener(dataListener);
            table.addStyleListener(styleListener);
            await table.draw();

            // Expose benchmark utilities to window for Playwright access
            window.benchmarkConfig = {
                numRows: NUM_ROWS,
                numColumns: NUM_COLUMNS,
                headerDepth: HEADER_DEPTH,
                simulateLatency: SIMULATE_LATENCY,
            };

            window.scrollRight = async function (pixels = 100) {
                table.scrollLeft += pixels;
                await table.draw();
            };

            window.scrollDown = async function (pixels = 100) {
                table.scrollTop += pixels;
                await table.draw();
            };

            window.scrollDiagonal = async function (
                pixelsX = 50,
                pixelsY = 50,
            ) {
                table.scrollLeft += pixelsX;
                table.scrollTop += pixelsY;
                await table.draw();
            };

            window.scrollToPosition = async function (left, top) {
                table.scrollLeft = left;
                table.scrollTop = top;
                await table.draw();
            };

            window.getTableMetrics = function () {
                const fps = table.getDrawFPS();
                return {
                    fps: fps,
                    scrollLeft: table.scrollLeft,
                    scrollTop: table.scrollTop,
                    scrollWidth: table.scrollWidth,
                    scrollHeight: table.scrollHeight,
                    visibleCells: table.querySelectorAll("tbody td").length,
                    visibleRows: table.querySelectorAll("tbody tr").length,
                };
            };

            window.resetScroll = async function () {
                table.scrollLeft = 0;
                table.scrollTop = 0;
                await table.draw();
            };

            // Signal that the benchmark page is ready
            window.benchmarkReady = true;
        </script>
    </body>
</html>