react-spy-scroll

<!doctype html> <html lang="en"> <head> <title>Code coverage report for src/animate-scroll.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../prettify.css" /> <link rel="stylesheet" href="../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../index.html">all files</a> / <a href="index.html">src/</a> animate-scroll.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 100% Statements 143/143 </div> <div class='fl pad1y space-right2'> 95.31% Branches 61/64 </div> <div class='fl pad1y space-right2'> 100% Functions 33/33 </div> <div class='fl pad1y space-right2'> 100% Lines 39/39 </div> <div class='fl pad1y'> 28 statements, 11 functions, 24 branches Ignored      </div> </div> </div> <div class='status-line high'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80</td><td class="line-coverage quiet">      1× 1×     1× 5×       5×   5× 5× 5× 5× 5× 5× 5× 5×       5×       4× 4×       3×       4× 4× 4× 4× 4×       8× 4×   8× 1×     7×   7× 7× 4×     7×   7× 4×   3× 3×         1×       1× 1×      </td><td class="text"><pre class="prettyprint lang-js">/** * Class for executing and maintaining a smooth scroll-animation using TweenFunctions for easing */ import requestAnimationFrame from './request-animation-frame'; import TweenFunctions from 'tween-functions';   class AnimateScroll { constructor(options) { this._setup(options); }   _setup(opt) { const options = opt || this._options;   this._start = null; this._cancel = false; this._duration = options.duration || 500; this._container = options.container || document.body || document.documentElement; this._startPosition = this._getCurrentPosition(this._container); this._options = options; this._id = null; this._component = null; }   _getCurrentPosition(container) { return container.scrollTop; }   _setupListeners() { this._listener = this.cancel.bind(this); AnimateScroll.cancelEvent.forEach((e) => this._container.addEventListener(e, this._listener)); }   _teardownListeners() { AnimateScroll.cancelEvent.forEach((e) => this._container.removeEventListener(e, this._listener)); }   start(id, component, targetPosition) { this._targetPosition = targetPosition; this._id = id; this._component = component; this._setupListeners(); requestAnimationFrame(this.animate.bind(this)); }   animate(time) { if (this._start === null) { this._start = time; } if (this._cancel) { return; }   const deltaT = time - this._start;   let currentPosition = this._targetPosition; if (deltaT < this._duration) { currentPosition = AnimateScroll.easing(deltaT, this._startPosition, this._targetPosition, this._duration); }   this._container.scrollTop = currentPosition;   if (deltaT < this._duration) { requestAnimationFrame(this.animate.bind(this)); } else { this._teardownListeners(); this._options.events.end(this._id, this._component); } }   cancel() { this._cancel = true; } }   AnimateScroll.easing = TweenFunctions.easeInOutQuad; AnimateScroll.cancelEvent = ['mousedown', 'mousewheel', 'touchmove', 'keydown'];   export default AnimateScroll;  </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Sat Mar 26 2016 15:12:56 GMT+0100 (CET) </div> </div> <script src="../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../sorter.js"></script> </body> </html>