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fix(popover): avoid flash of unstyled content #4428

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fix(popover): avoid flash of unstyled content #4428

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2 changes: 2 additions & 0 deletions src/tooltip/tooltip.js
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Expand Up @@ -149,8 +149,10 @@ angular.module('ui.bootstrap.tooltip', ['ui.bootstrap.position', 'ui.bootstrap.s
if (!tooltip || !tooltip.html()) { return; }

if (!positionTimeout) {
tooltip.hide(); // Hide to avoid FOUC until $timeout completes
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positionTooltip is called frequently in some cases for an already open tooltip, so this could cause flickering.

positionTimeout = $timeout(function() {
// Reset the positioning and box size for correct width and height values.
tooltip.show();
tooltip.css({ top: 0, left: 0, width: 'auto', height: 'auto', visibility: 'hidden' });

var ttBox = $position.position(tooltip);
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