forgotten file

This commit is contained in:
Henry Jameson 2019-09-25 00:21:55 +03:00
parent ca92e29401
commit daa0e284c3
1 changed files with 20 additions and 0 deletions

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export const findOffset = (child, parent, { top = 0, left = 0 } = {}, ignorePadding = true) => {
const result = {
top: top + child.offsetTop,
left: left + child.offsetLeft
}
if (!ignorePadding && child !== window) {
const topPaddingStr = window.getComputedStyle(child)['padding-top']
const topPadding = Number(topPaddingStr.substring(0, topPaddingStr.length - 2))
const leftPaddingStr = window.getComputedStyle(child)['padding-left']
const leftPadding = Number(leftPaddingStr.substring(0, leftPaddingStr.length - 2))
result.top += ignorePadding ? 0 : topPadding
result.left += ignorePadding ? 0 : leftPadding
}
if (child.offsetParent && (parent === window || parent.contains(child.offsetParent))) {
return findOffset(child.offsetParent, parent, result, false)
} else {
return result
}
}