Skip to content

Instantly share code, notes, and snippets.

@colelawrence
colelawrence / warnOnce.ts
Created February 27, 2024 02:46
Warn console messages only once.
const warned = new Set<string>();
export function warnOnce(message: string) {
if (!warned.has(message)) {
warned.add(message);
console.warn(message);
}
}
@colelawrence
colelawrence / Prettify.d.ts
Created February 24, 2024 01:25
Improve preview of union types in autocomplete
/** Improve preview of union types in autocomplete. */
export type Prettify<T> = { [K in keyof T]: T[K] } & {};
@colelawrence
colelawrence / obfuscate.js
Created February 21, 2024 20:32
Obfuscate secure tokens retaining the shape and scale (Raycast)
#!/usr/bin/env node
// Required parameters:
// @raycast.schemaVersion 1
// @raycast.title Obfuscate
// @raycast.mode compact
// Optional parameters:
// @raycast.icon 🤖
// @raycast.argument1 { "type": "text", "placeholder": "Original" }
const MINUTE = 1000 * 60;
function asyncCachedFn<Args extends any[], Result>(options: {
fn: (...args: Args) => Promise<Result>;
key: (...args: Args) => string;
}) {
const cache: Map<
string,
{ computedAt: number; evict: any; result: Promise<Result> }
@colelawrence
colelawrence / dev-error.ts
Last active January 11, 2024 21:32
DevError removes irrelevant stack trace lines
// regexes to remove lines from thrown error stacktraces
const AT_NODE_INTERNAL_RE = /^\s*at.+node:internal.+/gm;
const AT_TYPES_INTERNAL_RE = /^\s*at.+\/types\/src\/.+/gm;
const AT_INVARIANT_RE = /^\s*(at|[^@]+@) (?:Object\.)?invariant.+/gm;
const AT_INVARIANT_MORE_RE = /^\s*at.+(?:invariant|asError|createErrorObj).+/gm;
const AT_TEST_HELPERS_RE = /^\s*(at|[^@]+@).+test\-helpers.+/gm;
// const AT_WEB_MODULES = /^\s*(at|[^@]+@).+(web_modules|\-[a-f0-9]{8}\.js).*/gm
const AT_ASSORTED_HELPERS_RE =
/^\s*(at|[^@]+@).+(debounce|invariant|iife)\.[tj]s.*/gm;
@colelawrence
colelawrence / qwik-tw-styled-components.tsx
Last active January 2, 2024 18:19
Qwik styled-components with Tailwind merge. To remix for your codebase at your option! Also supports `data-qwik-inspector` pasthrough.
import { Slot, component$ } from "@builder.io/qwik";
import type { JSX } from "@builder.io/qwik/jsx-runtime";
import { twMerge } from "tailwind-merge";
/** Comes from {@link tw} template. */
type TwString = string & {
_tw: true;
};
/** This applies types to somethign like `tw.div` or `tw.h1`, which will leverage the types from `JSX.IntrinsicElements` */
@colelawrence
colelawrence / useFuseSearch.ts
Created December 28, 2023 14:26
Qwik hook for searching items with Fuse.js
import type { NoSerialize, Signal } from "@builder.io/qwik";
import { noSerialize, useSignal, useVisibleTask$ } from "@builder.io/qwik";
import type { IFuseOptions } from "fuse.js";
import Fuse from "fuse.js";
export function useFuseSearch<T>(
config: {
items: Signal<T[]> | T[];
search: Signal<string> | string;
},
@colelawrence
colelawrence / svelte-read.ts
Created December 21, 2023 15:53
Synchronously read a svelte 3/4 store / Readable
import type { Readable } from "svelte/store";
const UNSET = Symbol();
export function read<T>(store: Readable<T>): T {
let value: T | typeof UNSET = UNSET;
store.subscribe((v) => (value = v))();
if (UNSET === value) {
throw new Error("Readable did not react synchronously");
}
return value;
@colelawrence
colelawrence / ChangeNotifier.ts
Created December 21, 2023 15:52
Simple callback tracker for changed values
export class ChangeNotifier {
callbacks: Array<() => void> = [];
onChange(callback: () => void) {
this.callbacks.push(callback);
return () => {
const index = this.callbacks.indexOf(callback);
if (index >= 0) {
this.callbacks.splice(index, 1);
}
};
@colelawrence
colelawrence / DisposePool.ts
Created December 19, 2023 20:53
Dispose Pool (Subscription) class
export interface IDisposable {
dispose(): void;
}
export class DisposePool implements IDisposable {
#fns: null | (() => void)[] = [];
#pool: null | IDisposable[] = [];
get disposed() {
return this.#pool === null;
}