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// Name: Spinner
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// Description: Component to create a loading spinner
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//
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// Component: `uk-spinner`
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//
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// ========================================================================
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// Variables
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// ========================================================================
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$spinner-size: 30px !default;
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$spinner-stroke-width: 1 !default;
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$spinner-radius: floor(($spinner-size - $spinner-stroke-width) / 2) !default; // Minus stroke width to prevent overflow clipping
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$spinner-circumference: round(2 * 3.141 * $spinner-radius) !default;
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$spinner-duration: 1.4s !default;
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/* ========================================================================
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Component: Spinner
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========================================================================== */
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/*
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* Adopts `uk-icon`
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*/
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.uk-spinner {
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@if(mixin-exists(hook-spinner)) {@include hook-spinner();}
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}
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/* SVG
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========================================================================== */
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.uk-spinner > * {
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-webkit-animation: uk-spinner-rotate $spinner-duration linear infinite;
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animation: uk-spinner-rotate $spinner-duration linear infinite;
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}
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@-webkit-keyframes uk-spinner-rotate {
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0% { -webkit-transform: rotate(0deg); }
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100% { -webkit-transform: rotate(270deg); }
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}
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@keyframes uk-spinner-rotate {
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0% { transform: rotate(0deg); }
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100% { transform: rotate(270deg); }
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}
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/*
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* Circle
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*/
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.uk-spinner > * > * {
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stroke-dasharray: $spinner-circumference;
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stroke-dashoffset: 0;
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transform-origin: center;
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-webkit-animation: uk-spinner-dash $spinner-duration ease-in-out infinite;
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animation: uk-spinner-dash $spinner-duration ease-in-out infinite;
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stroke-width: $spinner-stroke-width;
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stroke-linecap: round;
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}
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@-webkit-keyframes uk-spinner-dash {
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0% { stroke-dashoffset: $spinner-circumference; }
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50% {
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stroke-dashoffset: $spinner-circumference/4;
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-webkit-transform:rotate(135deg);
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}
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100% {
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stroke-dashoffset: $spinner-circumference;
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-webkit-transform:rotate(450deg);
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}
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}
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@keyframes uk-spinner-dash {
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0% { stroke-dashoffset: $spinner-circumference; }
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50% {
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stroke-dashoffset: $spinner-circumference/4;
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transform:rotate(135deg);
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}
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100% {
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stroke-dashoffset: $spinner-circumference;
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transform:rotate(450deg);
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}
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}
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// Hooks
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// ========================================================================
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@if(mixin-exists(hook-spinner-misc)) {@include hook-spinner-misc();}
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// @mixin hook-spinner(){}
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// @mixin hook-spinner-misc(){}
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