tablejohn/scripts/graph.ts

102 lines
2.6 KiB
TypeScript

import uPlot from "./uPlot.js";
// https://sashamaps.net/docs/resources/20-colors/
// Related: https://en.wikipedia.org/wiki/Help:Distinguishable_colors
const COLORS = [
"#e6194B", // Red
"#3cb44b", // Green
"#ffe119", // Yellow
"#4363d8", // Blue
"#f58231", // Orange
// "#911eb4", // Purple
"#42d4f4", // Cyan
"#f032e6", // Magenta
// "#bfef45", // Lime
// "#fabed4", // Pink
"#469990", // Teal
// "#dcbeff", // Lavender
"#9A6324", // Brown
// "#fffac8", // Beige
"#800000", // Maroon
// "#aaffc3", // Mint
// "#808000", // Olive
// "#ffd8b1", // Apricot
"#000075", // Navy
"#a9a9a9", // Grey
// "#ffffff", // White
"#000000", // Black
];
interface GraphData {
hashes: string[];
times: number[];
measurements: { [key: string]: (number | null)[]; };
}
function update_plot_with_data(data: GraphData) {
let series: uPlot.Series[] = [{}];
let values: uPlot.AlignedData = [data.times];
for (const [i, metric] of Object.keys(data.measurements).sort().entries()) {
series.push({
label: metric,
spanGaps: true,
stroke: COLORS[i % COLORS.length],
});
values.push(data.measurements[metric]!);
}
const opts: uPlot.Options = {
title: "Measurements",
width: 600,
height: 400,
series,
};
plot?.destroy();
plot = new uPlot(opts, values, plot_div);
}
async function update_plot_with_metrics(metrics: string[]) {
const url = "data?" + new URLSearchParams(metrics.map(m => ["metric", m]));
const response = await fetch(url);
const data: GraphData = await response.json();
update_plot_with_data(data);
}
function find_selected_metrics(): string[] {
const inputs = metrics_div.querySelectorAll<HTMLInputElement>('input[type="checkbox"]');
let metrics: string[] = [];
for (const input of inputs) {
if (input.checked) {
metrics.push(input.name);
}
}
return metrics;
};
async function update_plot() {
const metrics = find_selected_metrics();
if (metrics.length > 0) {
await update_plot_with_metrics(metrics);
} else {
update_plot_with_data({
hashes: [],
times: [],
measurements: {},
});
}
}
// Initialization
const plot_div = document.getElementById("plot")!;
const metrics_div = document.getElementById("metrics")!;
let plot: uPlot | null = null;
for (const input of metrics_div.querySelectorAll<HTMLInputElement>('input[type="checkbox"]')) {
input.addEventListener("change", update_plot);
}
update_plot();