intrnl

function __append (el, children) {
	for (let child of children) {
		if (!child) continue;

		if (Array.isArray(child)) __append(el, child);
		else if (child instanceof HTMLElement || child instanceof DocumentFragment) el.append(child);
		else el.append(document.createTextNode(child));
	}
}

intrnl

function __async (generator) {
  return function (...args) {
    let it = generator.apply(this, args);

    return new Promise((resolve, reject) => {
      step(it.next());
      
      function step (result) {
        if (result.done) resolve(result.value);
        else Promise.resolve(result.value).then(fulfilled, rejected);

intrnl

// 249 bytes
var o={helloWorld:"hello-world-123",fooBar:"foo-bar-245",barBaz:"bar-baz-934"};let l=Object.assign(document.createElement("div"),{textContent:"Hello world!",className:[o.helloWorld,o.helloWorld,o.fooBar,o.barBaz].join(" ")});document.body.append(l);

intrnl

let epoch = 1420070400000;
let increment = 0;

function timestamp_to_snowflake (timestamp = Date.now()) {
  let snowflake = '';

  // timestamp
  snowflake += (timestamp - epoch).toString(2).padStart(42, '0');
  // worker id
  snowflake += '00001';

intrnl

function count (str: string, search: string) {
	let n = -1;
	let i = 0;

	while (i !== -1) {
		i = str.indexOf(search, i + 1);
		n++;
	}

	return n;

intrnl

function noop () {}

export function writable (init, start) {
  let subscribers = [];
  let prev = init;
  let running = false;
  let stop;

  function notify () {
    let subs = subscribers.concat();

intrnl

export function readable (init, start) {
  function subscribe (listener) {
    let running = true;
    let prev = init;
    let stop;

    function set (curr) {
      if (running && curr !== prev) {
        prev = curr;
        if (stop) listener(curr);

intrnl

// svelte-hmr/lib/make-hmr.js

const defaultHotOptions = {
  // don't preserve local state
  noPreserveState: false,
  // escape hatch from preserve local state -- if this string appears anywhere
  // in the component's code, then state won't be preserved for this update
  noPreserveStateKey: '@!hmr',
  // don't reload on fatal error
  noReload: false,

intrnl

function range (from, to) {
  if (!to) {
    to = from;
    from = 0;
  }
  if (from > to) {
    throw RangeError('`from` is higher than `to`');
  }

  return Array.from({ length: to - from }, (_, i) => i + from);

intrnl

class BrainfuckInterpreter {
  constructor (program, input) {
    this.reset(program, input);
  }

  reset (program, input) {
    this.paused = true;

    this.program = program || '';
    this.position = 0;