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preventing ReferenceError #421

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merged 1 commit into from
Jan 13, 2022
Merged

preventing ReferenceError #421

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28 changes: 22 additions & 6 deletions src/Tooltip.svelte
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Original file line number Diff line number Diff line change
Expand Up @@ -55,15 +55,31 @@
function registerEventListeners() {

if (target == null || target.length == 0) {
targetEl = null;
targetEl = null;
return;
}
else if (target instanceof HTMLElement) {
targetEl = target;

// Check if target is HTMLElement
try {
if (target instanceof HTMLElement) {
targetEl = target;
}
} catch (e) {
// fails on SSR
}
else {
targetEl = document.querySelector(`#${target}`);
}

// If targetEl has not been found yet
if (targetEl == null) {
// Check if target can be found via querySelector
try {
targetEl = document.querySelector(`#${target}`);
}
catch (e) {
// fails on SSR
}
}

// If we've found targetEl
if (targetEl) {
targetEl.addEventListener('mouseover', open);
targetEl.addEventListener('mouseleave', close);
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