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| export ASDF_VERSION=0.18.0 | |
| export NODE_VERSION=25.2.1 | |
| # make sure we're up to date | |
| sudo apt update --yes | |
| # add dependencies for asdf and nodejs | |
| sudo apt install --yes git bash rsync libatomic1 | |
| # add asdf |
joshnuss
/ debug.svelte
Last active
November 23, 2025 23:08
Debug view for Rapier2D engine with Svelte
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| <!-- | |
| Usage: | |
| <Debug bind:this={debug} {world} width=800 height=600 scale=10 /> | |
| Then during game loop call: | |
| debug.render() | |
| --> | |
| <script lang="ts"> |
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| function add(a: number, b: number) { | |
| return a + b | |
| } | |
| function multiply(a: number, b: number) { | |
| return a * b | |
| } | |
| function doubler<T extends Function>(fn: T): T { | |
| return new Proxy(fn, { | |
| apply(target, self, args) { |
joshnuss
/ perf_proxy.ts
Created
October 7, 2025 10:53
Measure performance of functions with a Proxy
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| function perf<T extends object>(target: T, methods: string[]): T { | |
| return new Proxy(target, { | |
| get(target, key) { | |
| const item = Reflect.get(target, key) | |
| if (!methods.includes(key.toString())) { | |
| return item | |
| } | |
| return (...args: any[]) => { |
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| function logger<T extends object>(target: T, methods: string[]): T { | |
| return new Proxy(target, { | |
| get(target, key) { | |
| const item = Reflect.get(target, key) | |
| if (!methods.includes(key.toString())) { | |
| return item | |
| } | |
| return (...args: any[]) => { |
joshnuss
/ default_snippet.lua
Created
September 20, 2025 04:06
Custom Neovim workflows using vim.ui
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| -- insert a default snippet when file is first opened | |
| local luasnip = require('luasnip') | |
| local collection = require('luasnip.session.snippet_collection') | |
| local util = require('luasnip.util.util') | |
| local default_snippets = { | |
| { pattern = "/[+]page.svelte$", snippet = "page" }, | |
| { pattern = "/[+]page.js$", snippet = "page" }, | |
| { pattern = "/[+]page.ts$", snippet = "page" }, | |
| { pattern = "/[+]page.server.js$", snippet = "page.server" }, |
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| -- neovim snippets from scratch | |
| local api = vim.api | |
| local Snippets = { | |
| list = { | |
| lua = { | |
| ["if"] = "if $ then\nend", | |
| p = "print($)", | |
| func = "function $()\nend" | |
| }, | |
| javascript = { |
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| /* | |
| * usage: | |
| * | |
| * // parse markdown | |
| * const file = await parseMarkdown('posts/foo.md') | |
| * | |
| * // extract front matter | |
| * const { title, summary, date, author, tags } = file.data.matter | |
| * | |
| * // access html |
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| <html> | |
| <body> | |
| <h1></h1> | |
| <button onclick="decrement()">-</button> | |
| <button onclick="increment()">+</button> | |
| <script> | |
| function signal(initial, callback = null) { | |
| let value = initial |
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| from time import sleep_ms | |
| from machine import SPI, Pin | |
| from framebuf import FrameBuffer, MONO_HLSB | |
| ''' | |
| Driver for Waveshare e-Paper 1.54in V2 | |
| Note: This is for V2, check for V2 sticker on back of module. | |
| Datasheet: https://files.waveshare.com/upload/e/e5/1.54inch_e-paper_V2_Datasheet.pdf |
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