Obtain 100% code coverage

Author: widoz

sources/client/src/components/composite-entities-by-kind.tsx

@@ -31,7 +31,7 @@ export function CompositeEntitiesByKind<E, K>(
 	const onChangeEntities = (entities: EntitiesSearch.Entities<E>) => {
 		props.entities.onChange(entities);
 
-		if ((entities?.length() ?? 0) <= 0) {
+		if (entities.length() <= 0) {
 			dispatch({
 				type: 'UPDATE_SELECTED_ENTITIES_OPTIONS',
 				selectedEntitiesOptions: new Set(),

sources/client/src/components/plural-select-control.tsx

@@ -10,6 +10,7 @@ export function PluralSelectControl(
 		className?: string;
 	}
 ): JSX.Element {
+	const [selected, setSelected] = React.useState(props.value);
 	const className = classnames(
 		props.className,
 		'wz-select-control',
@@ -24,13 +25,18 @@ export function PluralSelectControl(
 		<select
 			multiple
 			className={className}
-			value={props?.value?.toArray()}
+			value={selected.toArray()}
 			onChange={(event) => {
-				const values = Array.from(event.target.options)
-					.filter((option) => option.selected)
-					.map((option) => option.value);
+				if (event.target.selectedOptions.length <= 0) {
+					props.onChange(new Set());
+				}
 
-				props.onChange(new Set(values));
+				const selectedValues = Array.from(
+					event.target.selectedOptions
+				).map((option) => option.value);
+
+				setSelected(new Set(selectedValues));
+				props.onChange(new Set(selectedValues));
 			}}
 		>
 			{props.options.map((option) => (

sources/client/src/vo/set.tsx

@@ -57,10 +57,28 @@ export class Set<T> {
 		return this.#data.slice(-1)[0];
 	}
 
-	public slice(start: number, end: number): Set<T> {
+	public copy(start: number, end: number): Set<T> {
 		return new Set(this.#data.slice(start, end));
 	}
 
+	public equals(set: Set<T>): boolean {
+		if (this.length() !== set.length()) {
+			return false;
+		}
+
+		if (this === set) {
+			return true;
+		}
+
+		for (const value of this) {
+			if (!set.has(value)) {
+				return false;
+			}
+		}
+
+		return true;
+	}
+
 	public *[Symbol.iterator]() {
 		for (const value of this.#data) {
 			yield value;