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#131:s scroll to anchor considering header height

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This commit is contained in:
SleepWalker 2016-06-03 23:20:56 +03:00
parent 02a18aee13
commit 664a3a6de7
1 changed files with 9 additions and 3 deletions
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12
src/index.js
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@ -53,6 +53,7 @@ userFactory(store)
});
const SCROLL_ANCHOR_OFFSET = 80; // 50 + 30 (header height + some spacing)
/**
* Scrolls to page's top or #anchor link, if any
*/
@ -63,11 +64,16 @@ function restoreScroll() {
setTimeout(() => {
const id = hash.replace('#', '');
const el = id ? document.getElementById(id) : null;
let y = 0;
if (el) {
el.scrollIntoView();
} else {
window.scrollTo(0, 0);
const {scrollTop} = document.body;
const {top} = el.getBoundingClientRect();
y = scrollTop + top - SCROLL_ANCHOR_OFFSET;
}
window.scrollTo(0, y);
}, 100);
}