Sylvain Pollet-Villard sylvainpolletvillard
sylvainpolletvillard
/ base5compressor-poc.js
Created
September 16, 2018 11:34
basic base 5 to utf-16 converter for 5chars.js. Probably useless
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| { | |
| let chars = '+=[]_'; | |
| let range = 6; // 5^6 < 65535 < 5^7 | |
| function base5compress(input){ | |
| let out=""; | |
| for(let i=0; i<input.length; i+=range){ | |
| let part = input.slice(i, i+range).split('').reverse(); | |
| let charcode = part.reduce((acc, c) => chars.length*acc + chars.indexOf(c), 0) | |
| out += String.fromCharCode(charcode) |
sylvainpolletvillard
/ gist:23ce8e4b77e6a6d6fdb93e382b03b588
Created
June 21, 2018 19:00
decoding https://twitter.com/johnlindquist/status/1009857336293220353
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| const [ | |
| , | |
| mess = "mess", | |
| message, | |
| [, [{ [mess + "age"]: whoops = (() => mess)(mess) }]] | |
| ] = [1, undefined, undefined, [2, [(() => ({ message }))() ]]] | |
| const [ | |
| mess = "mess", | |
| message, |
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| // Welcome! require() some modules from npm (like you were using browserify) | |
| // and then hit Run Code to run your code on the right side. | |
| // Modules get downloaded from browserify-cdn and bundled in your browser. | |
| var reduceCSSCalc = require('reduce-css-calc') | |
| console.log("test", reduceCSSCalc("calc(100% - 120px - 60px)") ) |
sylvainpolletvillard
/ worsthelloworldever.html
Last active
February 27, 2017 21:42
Worst "Hello World" ever (only works in Chrome because it is the worst)
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| <script> | |
| ಠ='',ಉ=!ಠ+ಠ,ನ=!ಉ+ಠ,ಊ=ಠ+{},ಝ=ಉ[ಠ++],ಏ=ಉ[ೡ=ಠ],ಖ=++ೡ+ಠ,ತ=ಊ[ೡ+ಖ], | |
| ಉ[ತ+=ಊ[ಠ]+(ಉ.ನ+ಊ)[ಠ]+ನ[ಖ]+ಝ+ಏ+ಉ[ೡ]+ತ+ಝ+ಊ[ಠ]+ಏ][ತ](ನ[ಠ]+ನ[ೡ]+ಉ[ಖ]+ಏ+ಝ+` | |
| ([[]+[]][+[]][[[][[[]+[][+[]]][+[]][++[++[++[++[[]][+[]]][+[]]][+[]]][+[]]]+[[]+[][+[]]][+[]][++[++ | |
| [++[++[++[[]][+[]]][+[]]][+[]]][+[]]][+[]]]+[[]+[][+[]]][+[]][++[[]][+[]]]+[[]+[][+[]]][+[]][++[++[ | |
| []][+[]]][+[]]]]+[]][+[]][++[++[++[[]][+[]]][+[]]][+[]]]+[[][[[]+[][+[]]][+[]][++[++[++[++[[]][+[]] | |
| ][+[]]][+[]]][+[]]]+[[]+[][+[]]][+[]][++[++[++[++[++[[]][+[]]][+[]]][+[]]][+[]]][+[]]]+[[]+[][+[]]] | |
| [+[]][++[[]][+[]]]+[[]+[][+[]]][+[]][++[++[[]][+[]]][+[]]]]+[]][+[]][++[++[++[++[++[++[[]][+[]]][+[ | |
| ]]][+[]]][+[]]][+[]]][+[]]]+[[]+[][+[]]][+[]][++[[]][+[]]]+[[![]][+[]]+[]][+[]][++[++[++[[]][+[]]][ | |
| +[]]][+[]]]+[+[++[+[]][+[]]+[]+[[]+[][+[]]][+[]][++[++[++[+[]][+[]]][+[]]][+[]]]+[++[+[]][+[]]+[]][ |
sylvainpolletvillard
/ EventEmitter.js
Last active
January 16, 2017 21:29
EventListener and the quest of the minimal pubsub
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| class EventEmitter extends Map { | |
| on (e,f){ this.set(e, [...this.get(e)||[], f]) } | |
| off(e,f){ this.set(e, (this.get(e)||[]).filter(x => f && x !== f)) } | |
| emit(e,...a){ (this.get(e)||[]).map(f => f(...a)) } | |
| } | |
| // minified classless fit-in-a-tweet version | |
| E=(M=new Map,_=e=>M.get(e)||[])=>({on(e,f){M.set(e,[..._(e),f])},off(e,f){M.set(e,_(e).filter(x=>f&&f!==x))},emit(e,a){_(e).map(f=>f(a))}}) | |
| // Usage example: |
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| function debounce(func, wait = 20, options) { | |
| options = Object.assign({ | |
| leading: false, | |
| trailing: true, | |
| throttle: false | |
| }, options); | |
| let timeout, isWaiting = false; | |
| return function debounced(...args) { |
sylvainpolletvillard
/ hurray.js
Created
December 19, 2016 23:48
Hurray; Array subclass with hash destructuring for method callbacks, and a few helpers
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| class Hurray extends Array { | |
| forEach(callback){ | |
| super.forEach.call(this, (...args) => callback(Hurray.iterator(...args))); | |
| return this; // make forEach chainable | |
| } | |
| every(callback){ return super.every.call(this, (...args) => callback(Hurray.iterator(...args))) } | |
| filter(callback){ return super.filter.call(this, (...args) => callback(Hurray.iterator(...args))) } | |
| find(callback){ return super.find.call(this, (...args) => callback(Hurray.iterator(...args))) } | |
| findIndex(callback){ return super.findIndex.call(this, (...args) => callback(Hurray.iterator(...args))) } |
sylvainpolletvillard
/ 666.js
Created
September 8, 2016 22:02
currently thinking of the most obscure way to declare factorial function in JS
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| f=_=>!_||_*f(~-_) |
sylvainpolletvillard
/ Object.getAllPropertyNames
Created
June 1, 2016 21:24
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| function getAllPropertyNames(o){ return o ? Object.getOwnPropertyNames(o).concat(getAllPropertyNames(Object.getPrototypeOf(o))) : [] } | |
| Object.prototype.getAllPropertyNames = function(){ return getAllPropertyNames(this) } |
sylvainpolletvillard
/ basic date formatting helper
Created
May 30, 2016 17:02
Basic date formatting helper
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| function formatDate(value, format) { | |
| var date = value && value instanceof Date ? value : new Date(value); | |
| return format | |
| .replace("YYYY", date.getFullYear().toString()) | |
| .replace("YY", date.getFullYear().toString().substr(2, 2)) | |
| .replace("MM", (date.getMonth() + 1).toString().replace(/^(\d)$/, '0$1')) | |
| .replace("M", (date.getMonth() + 1).toString()) | |
| .replace("DD", date.getDate().toString().replace(/^(\d)$/, '0$1')) | |
| .replace("D", date.getDate().toString()) |