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FIX: Autocomplete arrow scroll for mention (#19571)

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Follow up to 8820e9418a4b4f89a9cf06a97fe5bcf10724c9a2,
only the hashtag autocomplete has a fadeout scroll, so
we still need to scroll on the original div in some
cases (e.g. mentions)
This commit is contained in:
Martin Brennan
2022-12-22 17:01:51 +10:00
committed by GitHub
parent bef1966ca5
commit 64a7a2aac2
1 changed files with 7 additions and 7 deletions
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14
app/assets/javascripts/discourse/app/lib/autocomplete.js
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@ -119,28 +119,28 @@ export default function (options) {
} }
function scrollAutocomplete() { function scrollAutocomplete() {
if (!fadeoutDiv) { if (!fadeoutDiv && !div) {
return; return;
} }
const fadeoutDivElement = fadeoutDiv[0]; const scrollingDivElement = fadeoutDiv?.length > 0 ? fadeoutDiv[0] : div[0];
const selectedElement = getSelectedOptionElement(); const selectedElement = getSelectedOptionElement();
const selectedElementTop = selectedElement.offsetTop; const selectedElementTop = selectedElement.offsetTop;
const selectedElementBottom = const selectedElementBottom =
selectedElementTop + selectedElement.clientHeight; selectedElementTop + selectedElement.clientHeight;
// the top of the item is above the top of the fadeoutDiv, so scroll UP // the top of the item is above the top of the fadeoutDiv, so scroll UP
if (selectedElementTop <= fadeoutDivElement.scrollTop) { if (selectedElementTop <= scrollingDivElement.scrollTop) {
fadeoutDivElement.scrollTo(0, selectedElementTop); scrollingDivElement.scrollTo(0, selectedElementTop);
// the bottom of the item is below the bottom of the div, so scroll DOWN // the bottom of the item is below the bottom of the div, so scroll DOWN
} else if ( } else if (
selectedElementBottom >= selectedElementBottom >=
fadeoutDivElement.scrollTop + fadeoutDivElement.clientHeight scrollingDivElement.scrollTop + scrollingDivElement.clientHeight
) { ) {
fadeoutDivElement.scrollTo( scrollingDivElement.scrollTo(
0, 0,
fadeoutDivElement.scrollTop + selectedElement.clientHeight scrollingDivElement.scrollTop + selectedElement.clientHeight
); );
} }
} }