seleb’s gists

seleb / expose.js

Created January 19, 2018 04:35

Expose getter/setter for private vars

	var expose = function (target) {
	var code = target.toString();
	code = code.substring(0, code.lastIndexOf("}"));
	code += "this.get = function(name) {return eval(name);};";
	code += "this.set = function(name, value) {eval(name+'=value');};";
	return eval("[" + code + "}]")[0];
	};

seleb / inject.js

Created February 8, 2018 05:33

inject code into script tags based on a search string

	// helper used to inject code into script tags based on a search string
	var inject = function (searchString, codeToInject) {
	// find the relevant script tag
	var scriptTags = document.getElementsByTagName('script');
	var scriptTag;
	var code;
	for (var i = 0; i < scriptTags.length; ++i) {
	scriptTag = scriptTags[i];
	if (
	scriptTag.textContent.indexOf(searchString) >= 0 // script contains the search string

seleb / pixelated.css

Created March 3, 2018 01:28

image-rendering: pixelated

	{
	image-rendering: optimizeSpeed;
	image-rendering: -webkit-crisp-edges;
	image-rendering: -moz-crisp-edges;
	image-rendering: -o-crisp-edges;
	image-rendering: crisp-edges;
	image-rendering: -webkit-optimize-contrast;
	image-rendering: optimize-contrast;
	image-rendering: pixelated;
	-ms-interpolation-mode: nearest-neighbor;

seleb / clearDir.js

Created March 19, 2018 02:42

Deletes all files in a directory with a given extension

	const path = require("path");
	const fs = require("fs");

	function clearDir(dirPath, ext) {
	fs.readdirSync(dirPath)
	.filter(filePath => path.extname(filePath) === ext)
	.forEach(filePath => {
	filePath = path.join(dirPath, filePath);
	try {
	fs.unlinkSync(filePath);

seleb / ASCII extended

Last active March 29, 2018 04:50

there are lots of tables of these; hard to find just a single string with them all lined up though

	0-31,127: control characterss
	32-126: !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{\|}~
	1-31 IBM PC:☺☻♥♦♣♠•◘○◙♂♀♪♫☼►◄↕‼¶§▬↨↑↓→←∟↔▲▼
	128-255 IBM PC:ÇüéâäàåçêëèïîìÄÅÉæÆôöòûùÿÖÜ¢£¥₧ƒáíóúñÑªº¿⌐¬½¼¡«»░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■
	128-255 ISO Latin-1:€ ‚ƒ„…†‡ˆ‰Š‹Œ Ž ‘’“”•–—˜™š›œ žŸ ¡¢£¤¥¦§¨©ª«¬®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ

	0-255 IBM PC (escaped unicode):\u0000\u263A\u263B\u2665\u2666\u2663\u2660\u2022\u25D8\u25CB\u25D9\u2642\u2640\u266A\u266B\u263C\u25BA\u25C4\u2195\u203C\u00B6\u00A7\u25AC\u21A8\u2191\u2193\u2192\u2190\u221F\u2194\u25B2\u25BC\u0020\u0021\u0022\u0023\u0024\u0025\u0026\u0027\u0028\u0029\u002a\u002b\u002c\u002d\u002e\u002f\u0030\u0031\u0032\u0033\u0034\u0035\u0036\u0037\u0038\u0039\u003a\u003b\u003c\u003d\u003e\u003f\u0040\u0041\u0042\u0043\u0044\u0045\u0046\u0047\u0048\u0049\u004a\u004b\u004c\u004d\u004e\u004f\u0050\u0051\u0052\u0053\u0054\u0055\u0056

seleb / unicodeToAsciiExtended.js

Last active March 29, 2018 04:47

provides an object which maps unicode characters to extended ascii codepoints (IBM PC/code page 437)

var unicodeToAsciiExtended = "\u0000\u263A\u263B\u2665\u2666\u2663\u2660\u2022\u25D8\u25CB\u25D9\u2642\u2640\u266A\u266B\u263C\u25BA\u25C4\u2195\u203C\u00B6\u00A7\u25AC\u21A8\u2191\u2193\u2192\u2190\u221F\u2194\u25B2\u25BC\u0020\u0021\u0022\u0023\u0024\u0025\u0026\u0027\u0028\u0029\u002a\u002b\u002c\u002d\u002e\u002f\u0030\u0031\u0032\u0033\u0034\u0035\u0036\u0037\u0038\u0039\u003a\u003b\u003c\u003d\u003e\u003f\u0040\u0041\u0042\u0043\u0044\u0045\u0046\u0047\u0048\u0049\u004a\u004b\u004c\u004d\u004e\u004f\u0050\u0051\u0052\u0053\u0054\u0055\u0056\u0057\u0058\u0059\u005a\u005b\u005c\u005d\u005e\u005f\u0060\u0061\u0062\u0063\u0064\u0065\u0066\u0067\u0068\u0069\u006a\u006b\u006c\u006d\u006e\u006f\u0070\u0071\u0072\u0073\u0074\u0075\u0076\u0077\u0078\u0079\u007a\u007b\u007c\u007d\u007e\u007f\u00c7\u00fc\u00e9\u00e2\u00e4\u00e0\u00e5\u00e7\u00ea\u00eb\u00e8\u00ef\u00ee\u00ec\u00c4\u00c5\u00c9\u00e6\u00c6\u00f4\u00f6\u00f2\u00fb\u00f9\u00ff\u00d6\u00dc\u00a2\u00a3\u00a5\u20a7\u0192\u00e1\u00ed\u00f3\u00fa\u00f1\u00

seleb / grid paths.lua

Created April 22, 2018 01:41

All horizontal, vertical, and diagonal paths on a grid

	grid=7 --8x8
	paths={}
	--horizontal
	for y=0,grid do
	local p={}
	for x=0,grid do
	add(p,{x=x,y=y})
	end
	add(paths,p)
	end

seleb / rand-pico-pal.js

Last active April 22, 2018 23:43

Generates a random pico-8 palette

	var a=[];
	for(var i = 0; i<16; ++i){
	a.push(i);
	}
	var b=[];
	while(a.length){
	b.push(a.splice(Math.floor(Math.random()*a.length),1));
	}
	`{${b.join(',')}}`;

seleb / s-tengine2 asset convert.js

Last active May 27, 2018 21:15

one-liner for generating a set of es6 import/exports from an s-tengine2 scenario

assets.map(asset=>`export { default as ${asset.id} } from './${asset.src}'`).join(";\n");

seleb / bitsy tile loop.js

Created June 4, 2018 04:50

create gamedata for a looping bitsy tile animation

	////////////
	// config //
	////////////
	const tileStr = `
	00000000
	00000000
	00100100
	00100100
	00000000
	01000010

Sean S. LeBlanc seleb