Dmitry Iv. dy

## array.wat
;; test passing array to and back
(module
  (import "js" "mem" (memory 1))
  (import "console" "log" (func $log (param i32 f32)))

  (global $blockSize (import "js" "blockSize") (mut i32))
  (global $len (mut i32) (i32.const 0))
  ;; len = blockSize * 4
  (func (global.set $len (i32.mul (global.get $blockSize) (i32.const 4))))
  (start 1)

## stacker.html
<!DOCTYPE html>
<a href="https://twitter.com/jviide/status/1257755526722662405">ref</a>
<script type="module">
import t from './libs/tst.js'

// function μ(h,...d){for(var a=[],g=0,f=0,b=-1,c;c=h[g++];)c--?c--?c--?c--?c--?a[++b]=c--?c--?[d[f++],c?{}:null]:1<g||[]:d[f++]:a[b]=this(...a[b]):Object.assign(a[b][1],d[f++]):a[b-1].push(a[b--]):a[b-2][1][a[b--]]=a[b--]:a[b-1]+=""+a[b--];return a[0]}

function μ(hash, ...fields){
  // [root, tag, props, ...children]
  var stack=[], i=0, f=0, d=-1, c

## git-issues.md

      
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                dy
                / git-issues.md
            
            
              Created
              September 24, 2021 17:01
            
              
                Git issues
              
          
Adding/removing indentation of large blocks creates huge diff-log, although that's simply spaces.
Renaming a file doesn't come along with diff-log, it must be a separate commit, otherwise log is huge.


## known-coefs.js
[
  // 0,
  1/2,
  1/3,2/3, .33,.333,.3333,.66,.666,.6666,
  1/4,3/4,
  1/5,2/5,3/5,4/5,
  1/6,5/6,
  1/7,
  1/8,3/8,5/8,7/8,
  1/9,

## find-ops-combinations.js


(() => {
// play around with initial sequences / operator combinations
let seqs = {}, ops = {'+':(a,b)=>a+b,'-':(a,b)=>a-b}//'/':(a,b)=>a/b,'*':(a,b)=>a*b}
const results = new Proxy({}, {
  set(results, prop, value){
    if (results[prop]) {
        if (!results[prop].includes(value)) console.error('set', prop, ':', value, 'exists as', results[prop])

## record-audio.js
// paste the code below into browser console in any youtube page and call `record(from, to)`
// from and to are in seconds

async function record(from, to) {
var mediaElement=document.querySelector('video')
var recordedChunks = [];
var mimeType = 'audio/webm;codecs="opus"'

var ac = new AudioContext();
var mediaSource = new MediaElementAudioSourceNode(ac, {mediaElement});

## parallel-record.js

// try splitting buffer to N parts, recording in parallel, generating blob
async function recordParallel() {
  const audioContext = new AudioContext();

  const mimeType = 'audio/webm;codecs=opus'

  const bufs = [], all = []
  for (let i = 0; i < 10; i++ ) {
    // 2705 - min chunk length for opus encoder in Chrome, so we increase block size to 4096 plus silent header

## diacritics.fea
lookup diacritics {
  markClass [gravecomb acutecomb] <anchor 160 512> @TOP_MARKS;

  # ш м т
  pos base [\uni0448 \uni043C \uni0442] <anchor 500 512> mark @TOP_MARKS;
} diacritics;

feature mark {
  lookup diacritics;
} mark;

## css-calc.html
<script>
  let hiddenNode = document.documentElement.appendChild(document.createElement('div'))
  hiddenNode.style.visibility = 'hidden'
  hiddenNode.style.height = 0

  function calc(expression) {
    let cssExpression = expression
      // a + b → var(--a) + var(--b)
      .replace(/([a-z]\w*)(\b[^(]|$)/ig, 'var(--$1)$2')
      // -var(--a) → -1 * var(--a)

## import-maps-polyfill.html
<script id='import-maps-polyfill'>
const imports = {}

// intercept all subsequent scripts before init
;(new MutationObserver(rx=>rx.forEach(({target:s}) => {
  if (s.tagName !== 'SCRIPT' || s.im) return

  if (s.getAttribute('type') === 'importmap') {
    Object.assign(imports, JSON.parse(s.textContent).imports)
  }
	;; test passing array to and back
	(module
	(import "js" "mem" (memory 1))
	(import "console" "log" (func $log (param i32 f32)))

	(global $blockSize (import "js" "blockSize") (mut i32))
	(global $len (mut i32) (i32.const 0))
	;; len = blockSize * 4
	(func (global.set $len (i32.mul (global.get $blockSize) (i32.const 4))))
	(start 1)
	<!DOCTYPE html>
	<a href="https://twitter.com/jviide/status/1257755526722662405">ref</a>
	<script type="module">
	import t from './libs/tst.js'

	// function μ(h,...d){for(var a=[],g=0,f=0,b=-1,c;c=h[g++];)c--?c--?c--?c--?c--?a[++b]=c--?c--?[d[f++],c?{}:null]:1<g\|\|[]:d[f++]:a[b]=this(...a[b]):Object.assign(a[b][1],d[f++]):a[b-1].push(a[b--]):a[b-2][1][a[b--]]=a[b--]:a[b-1]+=""+a[b--];return a[0]}

	function μ(hash, ...fields){
	// [root, tag, props, ...children]
	var stack=[], i=0, f=0, d=-1, c
	[
	// 0,
	1/2,
	1/3,2/3, .33,.333,.3333,.66,.666,.6666,
	1/4,3/4,
	1/5,2/5,3/5,4/5,
	1/6,5/6,
	1/7,
	1/8,3/8,5/8,7/8,
	1/9,



	(() => {
	// play around with initial sequences / operator combinations
	let seqs = {}, ops = {'+':(a,b)=>a+b,'-':(a,b)=>a-b}//'/':(a,b)=>a/b,'':(a,b)=>ab}
	const results = new Proxy({}, {
	set(results, prop, value){
	if (results[prop]) {
	if (!results[prop].includes(value)) console.error('set', prop, ':', value, 'exists as', results[prop])
	// paste the code below into browser console in any youtube page and call `record(from, to)`
	// from and to are in seconds

	async function record(from, to) {
	var mediaElement=document.querySelector('video')
	var recordedChunks = [];
	var mimeType = 'audio/webm;codecs="opus"'

	var ac = new AudioContext();
	var mediaSource = new MediaElementAudioSourceNode(ac, {mediaElement});

	// try splitting buffer to N parts, recording in parallel, generating blob
	async function recordParallel() {
	const audioContext = new AudioContext();

	const mimeType = 'audio/webm;codecs=opus'

	const bufs = [], all = []
	for (let i = 0; i < 10; i++ ) {
	// 2705 - min chunk length for opus encoder in Chrome, so we increase block size to 4096 plus silent header
	lookup diacritics {
	markClass [gravecomb acutecomb] <anchor 160 512> @TOP_MARKS;

	# ш м т
	pos base [\uni0448 \uni043C \uni0442] <anchor 500 512> mark @TOP_MARKS;
	} diacritics;

	feature mark {
	lookup diacritics;
	} mark;
	<script>
	let hiddenNode = document.documentElement.appendChild(document.createElement('div'))
	hiddenNode.style.visibility = 'hidden'
	hiddenNode.style.height = 0

	function calc(expression) {
	let cssExpression = expression
	// a + b → var(--a) + var(--b)
	.replace(/([a-z]\w*)(\b[^(]\|$)/ig, 'var(--$1)$2')
	// -var(--a) → -1 * var(--a)
	<script id='import-maps-polyfill'>
	const imports = {}

	// intercept all subsequent scripts before init
	;(new MutationObserver(rx=>rx.forEach(({target:s}) => {
	if (s.tagName !== 'SCRIPT' \|\| s.im) return

	if (s.getAttribute('type') === 'importmap') {
	Object.assign(imports, JSON.parse(s.textContent).imports)
	}