Update TS definitions

index.html

@@ -53,7 +53,7 @@
 	<better-select name="better-selection" class="search" placeholder="Placeholder..." search-placeholder="Search...">
 		<span slot="placeholder">Placeholder...</span>
 		<option value="first">First value</option>
-		<option value="second">Second value</option>
+		<option value="second" disabled>Second value</option>
 		<option value="third">Third value</option>
 	</better-select>
 

src/better-select.css

@@ -62,10 +62,14 @@ better-select {
 		padding-inline: var(--h-padding);
 	}
 
-	&::part(item):is(:hover, :focus) {
+	&::part(item enabled):is(:hover, :focus) {
 		background-color: var(--highlight);
 	}
 
+	&::part(item disabled) {
+		opacity: .6;
+	}
+
 	&:not(:state(open))::part(drop-down) {
 		transform: scale(100%, 70%) translate(0, -30%);
 		opacity: 0;
@@ -83,4 +87,13 @@ better-select {
 	&:state(open)::part(display)::after {
 		transform: rotate(180deg);
 	}
+
+	&:not([required]):state(value)::part(display)::after {
+		display: none;
+	}
+
+	&::part(clear) {
+		display: block;
+		margin-left: auto;
+	}
 }

src/better-select.d.ts

@@ -45,7 +45,8 @@ export class BetterSelect extends HTMLElement {
      * @param {string} state
      */
     setValue(value: string, state?: string): void;
-    set value(arg: any);
+    updateClearButton(): void;
+    set value(value: any);
     get value(): any;
     get valueText(): any;
     setOptions(): void;
@@ -60,7 +61,7 @@ export class BetterSelect extends HTMLElement {
     /**
      * @param {String} name
      */
-    set name(arg: string);
+    set name(name: string);
     /**
      * @return {String}
      */
@@ -70,7 +71,7 @@ export class BetterSelect extends HTMLElement {
     /**
      * @param {Boolean} disabled
      */
-    set disabled(arg: boolean);
+    set disabled(disabled: boolean);
     get disabled(): boolean;
     /**
      * @param {ValidityConstraint} _constraint
@@ -84,7 +85,7 @@ export class BetterSelect extends HTMLElement {
     /**
      * @param {Boolean} required
      */
-    set required(arg: boolean);
+    set required(required: boolean);
     get required(): boolean;
     reportValidity(): boolean;
     requiredChanged(): void;

src/better-select.js

@@ -154,7 +154,10 @@ export class BetterSelect extends HTMLElement {
 		[part="display-text"]:empty {
 			display: none;
 		}
-		:not(:empty + *)[name="placeholder"] {
+		:not(#text:empty + *)[name="placeholder"] {
+			display: none;
+		}
+		#text:empty ~ *[name="clear"] {
 			display: none;
 		}
 		[part="drop-down"], [part="item"] {
@@ -185,10 +188,12 @@ export class BetterSelect extends HTMLElement {
 		[part="list"] {
 			display: contents;
 		}
-		[part="item"] {
+		[part~="item"] {
 			display: block;
-			cursor: pointer;
 			white-space: nowrap;
+			&[part~="enabled"] {
+				cursor: pointer;
+			}
 		}
 		[part="item"]:focus {
 			font-weight: bold;
@@ -203,6 +208,13 @@ export class BetterSelect extends HTMLElement {
 			[part="list"] { display: none; }
 			slot[name="loading"] { display: block; }
 		}
+		slot[name="clear"] > button {
+			all: unset;
+			transform: rotate(45deg);
+			&::after {
+				content: "+";
+			}
+		}
 	`
 
 	/** @type {HTMLElement} */
@@ -230,6 +242,11 @@ export class BetterSelect extends HTMLElement {
 				<slot name="placeholder" aria-hidden="true">
 					<span part="placeholder" id="placeholder" aria-hidden="true"></span>
 				</slot>
+				<template id="clear-template">
+					<slot name="clear" part="clear">
+						<button></button>
+					</slot>
+				</template>
 			</div>
 			<dialog id="dialog" part="drop-down">
 				<slot name="top"></slot>
@@ -258,9 +275,11 @@ export class BetterSelect extends HTMLElement {
 			/** @type {HTMLLIElement} */
 			const item = event.target.closest("#list > li")
 			if (item) {
-				this.setOption(item)
+				if (!item.part.contains("disabled")) {
-				this.dispatchEvent(new InputEvent("input", {bubbles: true}))
+					this.setOption(item)
-				this.close()
+					this.dispatchEvent(new InputEvent("input", {bubbles: true}))
+					this.close()
+				}
 			} else if (!this.#states.has("open")) {
 				this.open()
 			} else if (this.display.contains(event.target) || this.display.contains(event.target.closest("[slot]")?.assignedSlot)) {
@@ -452,9 +471,27 @@ export class BetterSelect extends HTMLElement {
 		this.#internals.setFormValue(value, state)
 		this.text.innerText = state
 
+		this.#states.toggle("value", value)
+
+		this.updateClearButton()
 		this.setValidity()
 	}
 
+	updateClearButton() {
+		const template = /** @type {HTMLTemplateElement} */(this.shadowRoot.getElementById("clear-template"))
+		const clearButton = template.nextElementSibling
+		if (this.required || this.#value.value === undefined) {
+			clearButton?.remove()
+		} else if (!clearButton && !this.required) {
+			const button = template.content.cloneNode(true)
+			template.after(button)
+			template.nextElementSibling.addEventListener("click", event => {
+				event.stopPropagation()
+				this.clear()
+			})
+		}
+	}
+
 	get value() { return this.#value.value }
 	set value(value) {
 		if (value === undefined) {
@@ -475,7 +512,15 @@ export class BetterSelect extends HTMLElement {
 	setOptions() {
 		this.list.replaceChildren()
 		for (const option of this.options) {
-			this.list.append(f`<li tabindex="0" part="item" data-value="${option.value}">${option.innerText}</li>`)
+			const fragment = f`<li tabindex="0" part="item" data-value="${option.value}">${option.innerText}</li>`
+			const li = fragment.querySelector("li")
+			if (option.disabled) {
+				li.part.add("disabled")
+				li.removeAttribute("tabindex")
+			} else {
+				li.part.add("enabled")
+			}
+			this.list.append(fragment)
 			if (this.value == undefined && option.selected) {
 				this.value = option.value
 			}
@@ -557,7 +602,10 @@ export class BetterSelect extends HTMLElement {
 
 	reportValidity() { return this.#internals.reportValidity() }
 
-	requiredChanged() { this.setValidity() }
+	requiredChanged() {
+		this.updateClearButton()
+		this.setValidity()
+	}
 
 	/**
 	 * @param {String} name