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added the ID, Classes and isIntersecting boolean to each element #5

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added the ID, Classes and isIntersecting boolean to each element #5

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e5a8ccc
modified the example file for testing
meirpro Oct 6, 2022
9510d06
added the ID, Classes and isIntersecting boolean to each element, to …
meirpro Oct 6, 2022
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36 changes: 18 additions & 18 deletions examples/1.html
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Original file line number Diff line number Diff line change
Expand Up @@ -32,24 +32,24 @@
</head>
<body>
<div class="container">
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div id="a1" class="item item1"></div>
<div id="a2" class="item"></div>
<div id="a3" class="item"></div>
<div id="a4" class="item"></div>
<div id="a5" class="item"></div>
<div id="a6" class="item"></div>
<div id="a7" class="item"></div>
<div id="a8" class="item"></div>
<div id="a9" class="item"></div>
<div class="item item1"></div>
<div class="item item1"></div>
<div class="item item1"></div>
<div class="item item1"></div>
<div class="item item1"></div>
<div class="item item1"></div>
<div class="item item1"></div>
<div class="item item1"></div>
<div class="item item1"></div>
<div class="item"></div>
<div class="item"></div>
</div>
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60 changes: 42 additions & 18 deletions library.js
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@ function wrapCallback(cb) {
return (...args) => wrapper(cb, ...args)
}

function addFlashingRect(bounds, style = {}) {
function addFlashingRect(bounds, style = {}, innerHTML, isIntersecting) {
const { width, left, height, top } = bounds
const div = document.createElement("div")
div.style.position = "fixed"
Expand All @@ -11,7 +11,17 @@ function addFlashingRect(bounds, style = {}) {
div.style.top = top + "px"
div.style.height = height + "px"
div.style.pointerEvents = "none"
div.style.transition = "opacity 2s ease-in"
div.style.zIndex = 2000

div.style.transition = "opacity 5s ease-in"
const text = document.createElement("span")
innerHTML ? (text.innerHTML = innerHTML) : null
text.style.backgroundColor = isIntersecting
? iodOptions.enterColor
: iodOptions.exitColor

div.appendChild(text)

Object.assign(div.style, style)
requestAnimationFrame(() =>
requestAnimationFrame(() => {
Expand All @@ -33,26 +43,40 @@ const iodOptions = {
}

function showEntry(entry) {
addFlashingRect(entry.rootBounds, {
border: `${Math.min(10, entry.rootBounds.height / 2)}px solid ${
iodOptions.rootColor
}`,
overflow: "hidden",
boxSizing: "border-box",
})

addFlashingRect(entry.boundingClientRect, {
border: `${Math.min(10, entry.boundingClientRect.height / 2)}px solid ${
entry.isIntersecting ? iodOptions.enterColor : iodOptions.exitColor
}`,
overflow: "hidden",
boxSizing: "border-box",
})
const text = `${entry.target.id && "ID:" + entry.target.id}${
entry.target.id && entry.target.className && "<br/>"
}${
entry.target.className && "Classes:" + entry.target.className
}<br/>isIntersecting: ${entry.isIntersecting}`

addFlashingRect(entry.intersectionRect, {
backgroundColor: iodOptions.interColor,
zIndex: 2,
})

addFlashingRect(
entry.boundingClientRect,
{
border: `${Math.min(10, entry.boundingClientRect.height / 2)}px solid ${
entry.isIntersecting ? iodOptions.enterColor : iodOptions.exitColor
}`,
overflow: "hidden",
boxSizing: "border-box",
},
text,
entry.isIntersecting
)
addFlashingRect(
entry.rootBounds,
{
border: `${Math.min(10, entry.rootBounds.height / 2)}px solid ${
iodOptions.rootColor
}`,
overflow: "hidden",
boxSizing: "border-box",
},
text,
entry.isIntersecting
)
}

function wrapper(cb, entries, observer) {
Expand Down