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@pontusab
pontusab / proximity-prefetch.tsx
Created April 6, 2025 06:43
Next.js Proximity Prefetch (PPF)
"use client";
import { useRouter } from "next/navigation";
import type { ReactNode } from "react";
import { useCallback, useEffect, useState } from "react";
interface ProximityPrefetchProps {
children: ReactNode;
threshold?: number;
predictionInterval?: number;
@rauchg
rauchg / p.sh
Last active July 16, 2025 11:22
Perplexity CLI in pure shell
#!/usr/bin/env bash
function p() {
jq -n \
--arg content "$*" \
'{
"model": "pplx-7b-online",
"messages": [
{
"role": "system",
"content": "Be precise and concise."
@richardscarrott
richardscarrott / worker.ts
Last active August 6, 2025 20:27
Cloudflare Workers / Pages `stale-while-revalidate`
import { parse } from 'cache-control-parser';
export default {
async fetch(request: Request, env: {}, ctx: ExecutionContext): Promise<Response> {
try {
const cache = await caches.default;
const cachedResponse = await cache.match(request);
if (cachedResponse) {
console.log('Cache: HIT');
if (shouldRevalidate(cachedResponse)) {
@lukeed
lukeed / cron-human.ts
Last active May 7, 2023 18:53
cron syntax & human readable output — https://t.co/CBThaezwzC
// https://crontab.guru/
// https://www.typescriptlang.org/play?ts=4.9.5#code/C4TwDgpgBAwgSgeQHJQLxQAYBIDe9kB0AogB5gBOEAzlQJYD2AdgL5S75LFmU0Mtt5EnUhWp0mrdkK6jeEgRxk9xLDAG4AUAHotUPVAB6Afg0bQkKABVqwAIxpY0gBIBXALYBDRgB4ARAGYABigATigAKgiI3wA+TR19QxMzcGhrKmAAJgdFV08fX0iwyJLY+N19Y1NzNJt-HOd3Lz9wrXriqPCy7Qq9KpSLdOAAFgbCPObCtoitUZLouJ7E-pqrGwBWMc4Jgtb6+dLFhMrk1aGANi2CHZaZ-c7u477T1LWMgHYrm99bTdbsg6PXpJaqvIYADi+TV2UXuXSOwJWYJsYXQuWhtxK00O5WWL0GNlswTRjXymKg+y0AKBeNBBIytnsJPGGMKsJm2WGNJOdNqDOyzO2rOCmUpAOxs25z15bzs9UF11ZYVFHLuUC5CNpAz5dlGCu+rV+M0ukX2UpB2tlRv1rIOFIWuJ5SwAtK6AMYuYCu52mAAmEDdABsPJQoIwPG5qGAPG7oBwoDgNHoIGR6ORgFBViJlHwHABycJ5qAAHzD7gARhByCXMK1cIwK1XmOpTMnU+nM68bpYoCngBBGL6qI5kDEHEnElZeyR+4Ph9gcLRGAAzKtQACykkXK7XTi3S9X1YAIpuBAe1+vT7hz8eAOrNieTqBGKy0SPeJwAGnXY77A6HmDXju1Y9n+c5QBk5BLgA5g+T6JC+R4eCA3iXp+UAnuhR63r+M7-vOQGHhh06zgBkEwXB8EIcRYEAb4vhQI+VH6C+lhMcxUAAFyATglisEwAhHpRHHcYwEAAG5Vuxk6iRJUlUbJknkJoE4JN6jETmcb4QB+9AuOQ6HrkunoQGO6BMUZDb9iR+FQAWRbSS+Th6dWtHDvZegvnmcnkCAUBuMZ-ZFgk8wAPpQOFoXSdxzn6TZ4ELjeUBOPFAENm4
@wilsonpage
wilsonpage / swr.ts
Last active March 28, 2025 09:35
An implementation of stale-while-revalidate for Cloudflare Workers
export const CACHE_STALE_AT_HEADER = 'x-edge-cache-stale-at';
export const CACHE_STATUS_HEADER = 'x-edge-cache-status';
export const CACHE_CONTROL_HEADER = 'Cache-Control';
export const CLIENT_CACHE_CONTROL_HEADER = 'x-client-cache-control';
export const ORIGIN_CACHE_CONTROL_HEADER = 'x-edge-origin-cache-control';
enum CacheStatus {
HIT = 'HIT',
MISS = 'MISS',
REVALIDATING = 'REVALIDATING',
// This is javascript code.
const pluckDeep = key => obj => key.split('.').reduce((accum, key) => accum[key], obj)
const compose = (...fns) => res => fns.reduce((accum, next) => next(accum), res)
const unfold = (f, seed) => {
const go = (f, seed, acc) => {
const res = f(seed)
return res ? go(f, res[1], acc.concat([res[0]])) : acc
}
// This is javascript code.
const pluckDeep = key => obj => key.split('.').reduce((accum, key) => accum[key], obj)
const compose = (...fns) => res => fns.reduce((accum, next) => next(accum), res)
const unfold = (f, seed) => {
const go = (f, seed, acc) => {
const res = f(seed)
return res ? go(f, res[1], acc.concat([res[0]])) : acc
}
// This is javascript code.
const pluckDeep = key => obj => key.split('.').reduce((accum, key) => accum[key], obj)
const compose = (...fns) => res => fns.reduce((accum, next) => next(accum), res)
const unfold = (f, seed) => {
const go = (f, seed, acc) => {
const res = f(seed)
return res ? go(f, res[1], acc.concat([res[0]])) : acc
}
// This is javascript code.
const pluckDeep = key => obj => key.split('.').reduce((accum, key) => accum[key], obj)
const compose = (...fns) => res => fns.reduce((accum, next) => next(accum), res)
const unfold = (f, seed) => {
const go = (f, seed, acc) => {
const res = f(seed)
return res ? go(f, res[1], acc.concat([res[0]])) : acc
}