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First separation commit.

Added LICENSE, README.md, CONTRIBUTORS.md
This commit is contained in:
Erwin de Haan 2019-01-09 12:36:54 +01:00
parent 09513af31b
commit 4678528d00
657 changed files with 422 additions and 0 deletions

View file

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define(["dom"], function(dom) {
"use strict";
function visibleInViewport(elem, partial, thresholdX, thresholdY) {
if (thresholdX = thresholdX || 0, thresholdY = thresholdY || 0, !elem.getBoundingClientRect) return !0;
var windowSize = dom.getWindowSize(),
vpWidth = windowSize.innerWidth,
vpHeight = windowSize.innerHeight,
rec = elem.getBoundingClientRect(),
tViz = rec.top >= 0 && rec.top < vpHeight + thresholdY,
bViz = rec.bottom > 0 && rec.bottom <= vpHeight + thresholdY,
lViz = rec.left >= 0 && rec.left < vpWidth + thresholdX,
rViz = rec.right > 0 && rec.right <= vpWidth + thresholdX,
vVisible = partial ? tViz || bViz : tViz && bViz,
hVisible = partial ? lViz || rViz : lViz && rViz;
return vVisible && hVisible
}
return visibleInViewport
});