VIbe-code some optimizations

This commit is contained in:
Thomas Camlong
2025-11-17 13:35:48 +01:00
parent a0423ca132
commit 4b0a9313a5
8 changed files with 598 additions and 56 deletions

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@@ -1,5 +1,5 @@
{
"$schema": "https://biomejs.dev/schemas/2.2.4/schema.json",
"$schema": "https://biomejs.dev/schemas/2.3.5/schema.json",
"vcs": {
"enabled": true,
"clientKind": "git",

View File

@@ -13,7 +13,8 @@
"ci": "biome check --write",
"backend:start": "cd backend && ./pocketbase serve",
"backend:download": "cd backend && curl -L -o pocketbase.zip https://github.com/pocketbase/pocketbase/releases/download/v0.30.0/pocketbase_0.30.0_darwin_arm64.zip && unzip pocketbase.zip && rm pocketbase.zip && rm CHANGELOG.md && rm LICENSE.md",
"seed": "bun run seed-db.ts"
"seed": "bun run seed-db.ts",
"benchmark:og": "bun run scripts/benchmark-og-images.tsx"
},
"dependencies": {
"@hookform/resolvers": "^5.2.1",

View File

@@ -0,0 +1,419 @@
import { readFile } from "node:fs/promises";
import { join } from "node:path";
import { ImageResponse } from "next/og";
import React from "react";
import { METADATA_URL } from "../src/constants";
import type { IconFile } from "../src/types/icons";
// Standalone cached functions for benchmarking (no Next.js dependencies)
let iconsDataCache: IconFile | null = null;
const iconFileCache = new Map<string, Buffer | null>();
let preloadDone = false;
async function getAllIconsStandalone(): Promise<IconFile> {
if (iconsDataCache) {
return iconsDataCache;
}
const response = await fetch(METADATA_URL);
if (!response.ok) {
throw new Error(`Failed to fetch icons: ${response.statusText}`);
}
iconsDataCache = (await response.json()) as IconFile;
return iconsDataCache;
}
async function preloadAllIconsStandalone(): Promise<void> {
if (preloadDone) {
return;
}
const startTime = Date.now();
const iconsData = await getAllIconsStandalone();
const iconNames = Object.keys(iconsData);
const pngDir = join(process.cwd(), `../png`);
console.log(`[Preload] Loading ${iconNames.length} icons into memory...`);
const loadPromises = iconNames.map(async (iconName) => {
if (iconFileCache.has(iconName)) {
return;
}
try {
const iconPath = join(pngDir, `${iconName}.png`);
const buffer = await readFile(iconPath);
iconFileCache.set(iconName, buffer);
} catch (_error) {
iconFileCache.set(iconName, null);
}
});
await Promise.all(loadPromises);
const duration = Date.now() - startTime;
const loadedCount = Array.from(iconFileCache.values()).filter(
(v) => v !== null,
).length;
console.log(
`[Preload] Loaded ${loadedCount}/${iconNames.length} icons in ${duration}ms (${(loadedCount / duration).toFixed(2)} icons/ms)\n`,
);
preloadDone = true;
}
async function readIconFileStandalone(
iconName: string,
): Promise<Buffer | null> {
if (iconFileCache.has(iconName)) {
return iconFileCache.get(iconName)!;
}
try {
const iconPath = join(process.cwd(), `../png/${iconName}.png`);
const buffer = await readFile(iconPath);
iconFileCache.set(iconName, buffer);
return buffer;
} catch (_error) {
iconFileCache.set(iconName, null);
return null;
}
}
const size = {
width: 1200,
height: 630,
};
async function generateOGImage(
icon: string,
iconsData: Record<string, unknown>,
totalIcons: number,
index: number,
profileTimings: Map<string, number[]>,
) {
const stepTimings: Record<string, number> = {};
let stepStart: number;
stepStart = Date.now();
const formattedIconName = icon
.split("-")
.map((word) => word.charAt(0).toUpperCase() + word.slice(1))
.join(" ");
stepTimings.formatName = Date.now() - stepStart;
stepStart = Date.now();
const iconData = await readIconFileStandalone(icon);
stepTimings.readFile = Date.now() - stepStart;
stepStart = Date.now();
const iconUrl = iconData
? `data:image/png;base64,${iconData.toString("base64")}`
: null;
stepTimings.base64 = Date.now() - stepStart;
stepStart = Date.now();
const imageResponse = await new ImageResponse(
<div
style={{
display: "flex",
width: "100%",
height: "100%",
position: "relative",
fontFamily: "Inter, system-ui, sans-serif",
overflow: "hidden",
backgroundColor: "white",
backgroundImage:
"radial-gradient(circle at 25px 25px, lightgray 2%, transparent 0%), radial-gradient(circle at 75px 75px, lightgray 2%, transparent 0%)",
backgroundSize: "100px 100px",
}}
>
<div
style={{
position: "absolute",
top: -100,
left: -100,
width: 400,
height: 400,
borderRadius: "50%",
background:
"linear-gradient(135deg, rgba(56, 189, 248, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%)",
filter: "blur(80px)",
zIndex: 2,
}}
/>
<div
style={{
position: "absolute",
bottom: -150,
right: -150,
width: 500,
height: 500,
borderRadius: "50%",
background:
"linear-gradient(135deg, rgba(249, 115, 22, 0.1) 0%, rgba(234, 88, 12, 0.1) 100%)",
filter: "blur(100px)",
zIndex: 2,
}}
/>
<div
style={{
display: "flex",
flexDirection: "row",
alignItems: "center",
justifyContent: "center",
width: "100%",
height: "100%",
padding: "60px",
gap: "70px",
zIndex: 10,
}}
>
<div
style={{
display: "flex",
alignItems: "center",
justifyContent: "center",
width: 320,
height: 320,
borderRadius: 32,
background: "white",
boxShadow:
"0 25px 50px -12px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05)",
padding: 30,
flexShrink: 0,
position: "relative",
overflow: "hidden",
}}
>
<div
style={{
position: "absolute",
inset: 0,
background: "linear-gradient(145deg, #ffffff 0%, #f8fafc 100%)",
zIndex: 0,
}}
/>
{iconUrl ? (
<img
src={iconUrl}
alt={formattedIconName}
width={260}
height={260}
style={{
objectFit: "contain",
position: "relative",
zIndex: 1,
filter: "drop-shadow(0 10px 15px rgba(0, 0, 0, 0.1))",
}}
/>
) : (
<div
style={{
display: "flex",
alignItems: "center",
justifyContent: "center",
width: 260,
height: 260,
position: "relative",
zIndex: 1,
fontSize: 48,
fontWeight: 700,
color: "#94a3b8",
textAlign: "center",
wordBreak: "break-word",
}}
>
{formattedIconName}
</div>
)}
</div>
<div
style={{
display: "flex",
flexDirection: "column",
justifyContent: "center",
gap: 28,
maxWidth: 650,
}}
>
<div
style={{
display: "flex",
fontSize: 64,
fontWeight: 800,
color: "#0f172a",
lineHeight: 1.1,
letterSpacing: "-0.02em",
}}
>
Download {formattedIconName} icon for free
</div>
<div
style={{
display: "flex",
fontSize: 32,
fontWeight: 500,
color: "#64748b",
lineHeight: 1.4,
position: "relative",
paddingLeft: 16,
borderLeft: "4px solid #94a3b8",
}}
>
Amongst {totalIcons} other high-quality dashboard icons
</div>
<div
style={{
display: "flex",
gap: 12,
marginTop: 8,
}}
>
{["SVG", "PNG", "WEBP"].map((format) => (
<div
key={format}
style={{
display: "flex",
alignItems: "center",
justifyContent: "center",
backgroundColor: "#f1f5f9",
color: "#475569",
border: "2px solid #e2e8f0",
borderRadius: 12,
padding: "8px 16px",
fontSize: 18,
fontWeight: 600,
boxShadow: "0 1px 2px rgba(0, 0, 0, 0.05)",
}}
>
{format}
</div>
))}
</div>
</div>
</div>
<div
style={{
position: "absolute",
bottom: 0,
left: 0,
right: 0,
height: 80,
display: "flex",
alignItems: "center",
justifyContent: "center",
background: "#ffffff",
borderTop: "2px solid rgba(0, 0, 0, 0.05)",
zIndex: 20,
}}
>
<div
style={{
display: "flex",
fontSize: 24,
fontWeight: 600,
color: "#334155",
alignItems: "center",
gap: 10,
}}
>
<div
style={{
width: 8,
height: 8,
borderRadius: "50%",
backgroundColor: "#3b82f6",
marginRight: 4,
}}
/>
dashboardicons.com
</div>
</div>
</div>,
{
...size,
},
);
stepTimings.imageResponse = Date.now() - stepStart;
for (const [step, timing] of Object.entries(stepTimings)) {
if (!profileTimings.has(step)) {
profileTimings.set(step, []);
}
profileTimings.get(step)!.push(timing);
}
return imageResponse;
}
async function benchmark() {
console.log("Starting OG image generation benchmark...\n");
const startTime = Date.now();
console.log("Fetching icons data...");
const iconsData = await getAllIconsStandalone();
const iconNames = Object.keys(iconsData);
const totalIcons = iconNames.length;
const testIcons = iconNames.slice(0, 100);
await preloadAllIconsStandalone();
console.log(`Testing with ${testIcons.length} icons\n`);
const times: number[] = [];
const profileTimings = new Map<string, number[]>();
for (let i = 0; i < testIcons.length; i++) {
const icon = testIcons[i];
const iconStartTime = Date.now();
try {
await generateOGImage(icon, iconsData, totalIcons, i, profileTimings);
const iconEndTime = Date.now();
const duration = iconEndTime - iconStartTime;
times.push(duration);
if ((i + 1) % 10 === 0) {
const avgTime = times.slice(-10).reduce((a, b) => a + b, 0) / 10;
console.log(
`Generated ${i + 1}/${testIcons.length} images (avg: ${avgTime.toFixed(2)}ms per image)`,
);
}
} catch (error) {
console.error(`Failed to generate image for ${icon}:`, error);
}
}
const endTime = Date.now();
const totalDuration = endTime - startTime;
const avgTime = times.reduce((a, b) => a + b, 0) / times.length;
const minTime = Math.min(...times);
const maxTime = Math.max(...times);
console.log("\n" + "=".repeat(50));
console.log("Benchmark Results");
console.log("=".repeat(50));
console.log(`Total images generated: ${testIcons.length}`);
console.log(`Total time: ${(totalDuration / 1000).toFixed(2)}s`);
console.log(`Average time per image: ${avgTime.toFixed(2)}ms`);
console.log(`Min time: ${minTime.toFixed(2)}ms`);
console.log(`Max time: ${maxTime.toFixed(2)}ms`);
console.log(
`Images per second: ${((testIcons.length / totalDuration) * 1000).toFixed(2)}`,
);
console.log("\n" + "-".repeat(50));
console.log("Performance Breakdown (per image):");
console.log("-".repeat(50));
for (const [step, timings] of profileTimings.entries()) {
const avg = timings.reduce((a, b) => a + b, 0) / timings.length;
const min = Math.min(...timings);
const max = Math.max(...timings);
const total = timings.reduce((a, b) => a + b, 0);
const percentage = (
(total / times.reduce((a, b) => a + b, 0)) *
100
).toFixed(1);
console.log(
` ${step.padEnd(15)}: avg ${avg.toFixed(2)}ms | min ${min.toFixed(2)}ms | max ${max.toFixed(2)}ms | ${percentage}%`,
);
}
console.log("=".repeat(50));
}
benchmark().catch(console.error);

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@@ -135,9 +135,7 @@ export default async function Image({ params }: { params: Promise<{ icon: string
}
}
const iconUrl = iconDataBuffer
? `data:image/png;base64,${iconDataBuffer.toString("base64")}`
: `https://placehold.co/600x400?text=${formattedIconName}`
const iconUrl = iconDataBuffer ? `data:image/png;base64,${iconDataBuffer.toString("base64")}` : null
return new ImageResponse(
<div
@@ -242,6 +240,7 @@ export default async function Image({ params }: { params: Promise<{ icon: string
zIndex: 0,
}}
/>
{iconUrl ? (
<img
src={iconUrl}
alt={formattedIconName}
@@ -254,6 +253,26 @@ export default async function Image({ params }: { params: Promise<{ icon: string
filter: "drop-shadow(0 10px 15px rgba(0, 0, 0, 0.1))",
}}
/>
) : (
<div
style={{
display: "flex",
alignItems: "center",
justifyContent: "center",
width: 260,
height: 260,
position: "relative",
zIndex: 1,
fontSize: 48,
fontWeight: 700,
color: "#94a3b8",
textAlign: "center",
wordBreak: "break-word",
}}
>
{formattedIconName}
</div>
)}
</div>
<div

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@@ -1,14 +1,12 @@
import { readFile } from "node:fs/promises"
import { join } from "node:path"
import { ImageResponse } from "next/og"
import { getAllIcons } from "@/lib/api"
import { preloadAllIcons, readIconFile } from "@/lib/icon-cache"
export const revalidate = false
export async function generateStaticParams() {
const iconsData = await getAllIcons()
if (process.env.CI_MODE === "false") {
// This is meant to speed up the build process in local development
return Object.keys(iconsData)
.slice(0, 5)
.map((icon) => ({
@@ -49,27 +47,18 @@ export default async function Image({ params }: { params: Promise<{ icon: string
)
}
await preloadAllIcons()
const iconsData = await getAllIcons()
const totalIcons = Object.keys(iconsData).length
const index = Object.keys(iconsData).indexOf(icon)
// Format the icon name for display
const formattedIconName = icon
.split("-")
.map((word) => word.charAt(0).toUpperCase() + word.slice(1))
.join(" ")
// Read the icon file from local filesystem
let iconData: Buffer | null = null
try {
const iconPath = join(process.cwd(), `../png/${icon}.png`)
console.log(`Generating opengraph image for ${icon} (${index + 1} / ${totalIcons}) from path ${iconPath}`)
iconData = await readFile(iconPath)
} catch (_error) {
console.error(`Icon ${icon} was not found locally`)
}
// Convert the image data to a data URL or use placeholder
const iconData = await readIconFile(icon)
const iconUrl = iconData ? `data:image/png;base64,${iconData.toString("base64")}` : null
return new ImageResponse(
@@ -154,8 +143,9 @@ export default async function Image({ params }: { params: Promise<{ icon: string
zIndex: 0,
}}
/>
{iconUrl ? (
<img
src={iconUrl || `https://placehold.co/600x400?text=${formattedIconName}`}
src={iconUrl}
alt={formattedIconName}
width={260}
height={260}
@@ -166,6 +156,26 @@ export default async function Image({ params }: { params: Promise<{ icon: string
filter: "drop-shadow(0 10px 15px rgba(0, 0, 0, 0.1))",
}}
/>
) : (
<div
style={{
display: "flex",
alignItems: "center",
justifyContent: "center",
width: 260,
height: 260,
position: "relative",
zIndex: 1,
fontSize: 48,
fontWeight: 700,
color: "#94a3b8",
textAlign: "center",
wordBreak: "break-word",
}}
>
{formattedIconName}
</div>
)}
</div>
{/* Text content */}

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@@ -1,15 +1,17 @@
import { unstable_cache } from "next/cache"
import { cache } from "react"
import { METADATA_URL } from "@/constants"
import { ApiError } from "@/lib/errors"
import type { AuthorData, IconFile, IconWithName } from "@/types/icons"
/**
* Fetches all icon data from the metadata.json file
* Uses fetch with revalidate for caching
* Raw fetch function for icon data (without caching)
*/
export async function getAllIcons(): Promise<IconFile> {
async function fetchAllIconsRaw(): Promise<IconFile> {
try {
const response = await fetch(METADATA_URL)
const response = await fetch(METADATA_URL, {
next: { revalidate: 3600 },
})
if (!response.ok) {
throw new ApiError(`Failed to fetch icons: ${response.statusText}`, response.status)
@@ -25,6 +27,24 @@ export async function getAllIcons(): Promise<IconFile> {
}
}
/**
* Cached version using unstable_cache for build-time caching
* Revalidates every hour (3600 seconds)
*/
const getAllIconsCached = unstable_cache(async () => fetchAllIconsRaw(), ["all-icons"], {
revalidate: 3600,
tags: ["icons"],
})
/**
* Fetches all icon data from the metadata.json file
* Uses React cache() for request-level memoization and unstable_cache for build-level caching
* This prevents duplicate fetches within the same request and across builds
*/
export const getAllIcons = cache(async (): Promise<IconFile> => {
return getAllIconsCached()
})
/**
* Gets a list of all icon names.
*/
@@ -122,7 +142,7 @@ async function fetchAuthorData(authorId: number) {
}
}
const authorDataCache: Record<number, AuthorData> = {};
const authorDataCache: Record<number, AuthorData> = {}
/**
* Cached version of fetchAuthorData
@@ -135,12 +155,12 @@ const authorDataCache: Record<number, AuthorData> = {};
*/
export async function getAuthorData(authorId: number): Promise<AuthorData> {
if (authorDataCache[authorId]) {
return authorDataCache[authorId];
return authorDataCache[authorId]
}
const data = await fetchAuthorData(authorId);
authorDataCache[authorId] = data;
return data;
const data = await fetchAuthorData(authorId)
authorDataCache[authorId] = data
return data
}
/**

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@@ -10,6 +10,3 @@ export class ApiError extends Error {
this.status = status
}
}

76
web/src/lib/icon-cache.ts Normal file
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@@ -0,0 +1,76 @@
import { readFile } from "node:fs/promises"
import { join } from "node:path"
import { cache } from "react"
import { getAllIcons } from "./api"
/**
* In-memory cache for icon files during build/request
* This persists across multiple calls within the same build process
*/
const iconFileCache = new Map<string, Buffer | null>()
let preloadPromise: Promise<void> | null = null
let isPreloaded = false
/**
* Preloads all icon files into memory
* This should be called once at the start of the build process
*/
export async function preloadAllIcons(): Promise<void> {
if (isPreloaded || preloadPromise) {
return preloadPromise || Promise.resolve()
}
preloadPromise = (async () => {
const startTime = Date.now()
const iconsData = await getAllIcons()
const iconNames = Object.keys(iconsData)
const pngDir = join(process.cwd(), `../png`)
console.log(`[Icon Cache] Preloading ${iconNames.length} icons into memory...`)
const loadPromises = iconNames.map(async (iconName) => {
if (iconFileCache.has(iconName)) {
return
}
try {
const iconPath = join(pngDir, `${iconName}.png`)
const buffer = await readFile(iconPath)
iconFileCache.set(iconName, buffer)
} catch (_error) {
iconFileCache.set(iconName, null)
}
})
await Promise.all(loadPromises)
const duration = Date.now() - startTime
const loadedCount = Array.from(iconFileCache.values()).filter((v) => v !== null).length
console.log(
`[Icon Cache] Preloaded ${loadedCount}/${iconNames.length} icons in ${duration}ms (${(loadedCount / duration).toFixed(2)} icons/ms)`,
)
isPreloaded = true
})()
return preloadPromise
}
/**
* Reads an icon PNG file from the filesystem
* Uses React cache() for request-level memoization
* Uses in-memory Map for build-level caching
* If preloaded, returns immediately from cache
*/
export const readIconFile = cache(async (iconName: string): Promise<Buffer | null> => {
if (iconFileCache.has(iconName)) {
return iconFileCache.get(iconName)!
}
try {
const iconPath = join(process.cwd(), `../png/${iconName}.png`)
const buffer = await readFile(iconPath)
iconFileCache.set(iconName, buffer)
return buffer
} catch (_error) {
iconFileCache.set(iconName, null)
return null
}
})