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fix unexpected closing of multiselect dropdown #396

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fix unexpected closing of multiselect dropdown #396

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9 changes: 8 additions & 1 deletion src/materialize-directive.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -89,7 +89,14 @@ export class MaterializeDirective implements AfterViewInit,DoCheck,OnChanges,OnD

public ngOnChanges(_unused?) {
if (this.isSelect()) {
setTimeout(() => this.performLocalElementUpdates(), 10);
const nativeElement = this._el.nativeElement;
const jQueryElement = $(nativeElement);

// run performLocalElementUpdates() only if dropdown closed
// otherwise the dropdown closes unexpected
if (!jQueryElement.attr("multiple") || jQueryElement.parent().find("input.active").length === 0) {
setTimeout(() => this.performLocalElementUpdates(), 10);
}
}
}

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