cevek

  --experimental_extras (enable code compiled in via v8_experimental_extra_library_files)
        type: bool  default: false
  --use_strict (enforce strict mode)
        type: bool  default: false
  --es_staging (enable test-worthy harmony features (for internal use only))
        type: bool  default: false
  --harmony (enable all completed harmony features)
        type: bool  default: false
  --harmony_shipping (enable all shipped harmony features)
        type: bool  default: true

cevek

() {
  
  :boom: console.log(234);
}

cevek

https://github.com/cevek/jscost

conditionals

if (k) v = 1: 0.8ns

if (k) v = 1 else v = 0: 0.4ns

switch 10 cases (per case): 0.4ns

n1 && n2 && ... (per item): 1.7ns

cevek

native string.js:

indexOf:

(s,t){
if((%IS_VAR(this)===null)||(this===(void 0)))🔶️throw 🔶️%make_type_error(17,"String.prototype.indexOf");
var u=(🔶️%_ToString(this));
s=(🔶️%_ToString(s));
var v=(🔶️%_ToInteger(t));

cevek

function Node(kind) {
    this.kind = kind;
}

var node = new Node(0);

var node1 = new Node(1);
node1.expression = node;

var node2 = new Node(2);

cevek

var orig = Common.Revealer.reveal;
Common.Revealer.reveal = function(revealable, omitFocus) {
	console.log(revealable);
	// console.log(Persistence.persistence.binding(uiSourceCode).fileSystem.url())
    orig.apply(this, arguments);
}

cevek

function getRandomObj(i) {
    switch (i % 5) {
        case 0:
            return {a: 1, b: i, c: 3, d: "abc", k: true};
        case 1:
            return {c: "sadf", k: false};
        case 2:
            return {a: null, b: 45};
        case 3:
            return {a: null, b: 45, c: 2, d: "Asdaf"};

cevek

  --experimental_extras (enable code compiled in via v8_experimental_extra_library_files)
        type: bool  default: false
  --use_strict (enforce strict mode)
        type: bool  default: false
  --es_staging (enable test-worthy harmony features (for internal use only))
        type: bool  default: false
  --harmony (enable all completed harmony features)
        type: bool  default: false
  --harmony_shipping (enable all shipped harmony features)
        type: bool  default: true

cevek

import * as React from 'react';

interface AppProps {
    urlParams: { name: string },
    searchParams: { foo: string }
}
class App extends React.Component<AppProps, {}> {
}

interface ListProps {

cevek

copy('[playlist]\n'+AudioAddict.WP.channels.map((ch,i) => (ch=ch.channel ? ch.channel : ch,`File${i+1}=http://pub1.diforfree.org:8000/di_${ch.key}_hi\nTitle${i+1}=${ch.name}`)).join('\n\n') + `\n\nNumberOfEntries=${AudioAddict.WP.channels.length}\nVersion=2`)