Daniel Lindenkreuz dlindenkreuz

## RubberBand.md

      
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                dlindenkreuz
                / RubberBand.md
            
            
              Created
              April 30, 2020 08:45
                — forked from originell/RubberBand.md
            
              
                This is a straight copy of – to avoid this ever going dark http://squareb.wordpress.com/2013/01/06/31/
              
          
    Analysis of Apple’s rubber band scrolling

January 6, 2013
I recently saw a post on Twitter from @chpwn that described the alogorithm that Apple uses for its “rubber band” or “bungee” scrolling.
b = (1.0 – (1.0 / ((x * c / d) + 1.0))) * d


## SketchSystems.spec
My Awesome Sketch
  First State
    some event -> Second State
  Second State

## composeThunk.ts
import { RouteThunk } from "redux-first-router"
import * as compose from "koa-compose"
import { Middleware } from "koa-compose"
import { Dispatch } from "redux"

interface ThunkContext<S> {
  dispatch: Dispatch<S>
  getState: () => S
}

## gist:a439ec4b939f0561d6d9
// one-liner version
// retains latin-1 supplement chars as well as latin extended-a and latin extended-b

Shopify.handleize = function (str) {
    return str.toLowerCase().replace(/[^\w\u00C0-\u024f]+/g, "-").replace(/^-+|-+$/g, "");
};

## fetchr-koa-middleware.js
/**
 * Fetchr middleware for koa
 *
 * Translate Fetchr.middleware() from express.js to koa
 * This is pretty rough and might be buggy but it does the job nicely for me at the moment.
 *
 * Tested with fetchr v0.5.14
 */
export default function () {
  return function * (next) {
	My Awesome Sketch
	First State
	some event -> Second State
	Second State
	import { RouteThunk } from "redux-first-router"
	import * as compose from "koa-compose"
	import { Middleware } from "koa-compose"
	import { Dispatch } from "redux"

	interface ThunkContext<S> {
	dispatch: Dispatch<S>
	getState: () => S
	}
	// one-liner version
	// retains latin-1 supplement chars as well as latin extended-a and latin extended-b

	Shopify.handleize = function (str) {
	return str.toLowerCase().replace(/[^\w\u00C0-\u024f]+/g, "-").replace(/^-+\|-+$/g, "");
	};
	/**
	* Fetchr middleware for koa
	*
	* Translate Fetchr.middleware() from express.js to koa
	* This is pretty rough and might be buggy but it does the job nicely for me at the moment.
	*
	* Tested with fetchr v0.5.14
	*/
	export default function () {
	return function * (next) {