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fix(progress): prevent unnecessary animation to run when not visible
Progress has an infinite animation on `<div class="dots">`. `.dots` is only visible when `value` < `max` or `buffer` < `max`. But the animation runs in any case.
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@ -7,6 +7,7 @@
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import {html} from 'lit';
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import {property} from 'lit/decorators.js';
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import {styleMap} from 'lit/directives/style-map.js';
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import {when} from 'lit/directives/when.js';
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import {Progress} from './progress.js';
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@ -33,9 +34,10 @@ export class LinearProgress extends Progress {
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(this.indeterminate ? 1 : this.buffer / this.max) * 100
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}%)`,
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};
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// only display dots when visible - this prevents invisible infinite animation
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const showDots = !this.indeterminate && (this.buffer >= this.max || this.value >= this.max) ;
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return html`
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<div class="dots"></div>
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${when(showDots, () => html`<div class="dots"></div>`)}
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<div class="inactive-track" style=${styleMap(dotStyles)}></div>
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<div class="bar primary-bar" style=${styleMap(progressStyles)}>
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<div class="bar-inner"></div>
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