disintegrator’s gists

disintegrator / bench.md

Last active March 12, 2025 20:51

An attempt at making a ulid data type in postgres that is just a bytea with casts

OS: Ubuntu 24.04.2 LTS aarch64
Host: VMware20,1 1
Kernel: 6.8.0-53-generic
CPU: Apple M2 Pro
GPU: Apple M2 Pro

postgres=# EXPLAIN ANALYSE SELECT generate_ulid() FROM generate_series(1, 10000000);

disintegrator / Fetch-happened.ts

Created January 7, 2025 23:30

Cross-platform fetch error classification

	/**
	* Uses various heurisitics to determine if an error is a connection error.
	*/
	export function isConnectionError(err: unknown): boolean {
	if (typeof err !== "object" \|\| err == null) {
	return false;
	}

	// Covers fetch in Deno as well
	const isBrowserErr =

disintegrator / ua-quirk.ts

Last active August 12, 2024 10:20

Setting User-Agent header on the browser has surprising results

	// Chromium bug: https://issues.chromium.org/issues/40450316

	const headers = new Headers();
	headers.set("user-agent", "fancy/1.0");
	console.log(headers.get("user-agent") == null);
	// Prints: false

	const req = new Request('');
	req.headers.set("user-agent", "fancy/1.0");
	console.log(req.headers.get("user-agent") == null);

disintegrator / urls.ts

Created June 7, 2024 11:12

URL helpers

	export function tryParseURL(input: unknown): URL \| null {
	if (input instanceof URL) {
	return input;
	}
	if (typeof input !== "string") {
	return null;
	}

	try {
	return new URL(input);

disintegrator / discard.go

Created March 4, 2024 10:11

DiscardHandler for log/slog in Go

	package log

	import (
	"context"
	"log/slog"
	)

	// A DiscardHandler discards all log records.
	type DiscardHandler struct{}

disintegrator / assert.go

Last active March 1, 2024 13:04

Assertions in Go

	package main

	import (
	"errors"
	"fmt"
	"runtime"
	)

	func Assert(group string, pairs ...any) error {
	if len(pairs)%2 != 0 {

disintegrator / demo.ts

Last active November 10, 2023 15:13

console.group and the `using` keyword

	function logGroup(label: string) {
	console.group(label)
	return {
	[Symbol.dispose]: () => {
	console.groupEnd()
	}
	}
	}

	function demo() {

disintegrator / input_collect.go

Created August 4, 2023 11:12

	package functional

	import (
	"context"
	"errors"
	"time"

	"github.com/benthosdev/benthos/v4/public/service"
	)

disintegrator / sample.test.ts

Last active June 19, 2023 16:52

A sample test helper used to acquire resources and automatically tear them down with the upcoming `using` keyword.

	// This is untested code. More of a proof of concept for what's to come...

	async function $acquire<
	Resource
	>(fn: () => Promise<readonly [resource: Resource, teadown?: () => void]>) {
	let [resource, teardown = () => {}] = await fn();
	return {
	resource,
	[Symbol.dispose]: teardown,
	}

disintegrator / debounce.go

Created December 23, 2021 18:52

A debouncer that sends pulses on a channel (Golang, Go)

Georges Haidar disintegrator