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in-view Show viewport.spec.js Source code

Return Download in-view: download viewport.spec.js Source code - Download in-view Source code - Type:.js
  1. import test from 'ava';
  2. import { inViewport } from '../src/viewport';
  3.  
  4. window.innerWidth = 1280;
  5. window.innerHeight = 700;
  6.  
  7. const stub = {
  8.     getBoundingClientRect() {
  9.         return {
  10.             bottom: 232,
  11.             height: 108,
  12.             left: 196,
  13.             right: 1084,
  14.             top: 124,
  15.             width: 888
  16.         };
  17.     }
  18. };
  19.  
  20. const opts = {
  21.     offset: {
  22.         top: 250,
  23.         right: 250,
  24.         bottom: 250,
  25.         left: 250
  26.     },
  27.     threshold: 0
  28. };
  29.  
  30. test('inViewport returns a boolean', t => {
  31.     t.true(typeof inViewport(stub, opts) === 'boolean');
  32. });
  33.  
  34. test('inViewport accepts an offset', t => {
  35.     t.false(inViewport(stub, opts));
  36. });
  37.  
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