Clean up terra color picker reactive props

src/routes/test/color-picker/+page.svelte

@@ -23,7 +23,7 @@
 	let activeFormat = $state<"hex" | "rgb" | "hsl">("hex");
 </script>
 
-<div class="page">
+<div class="page w-full h-full bg-gray-300">
 	<header>
 		<h1>ColorPicker</h1>
 		<p>Headless, composable, accessible. Part of Bits UI.</p>

src/uix/terra/color-picker/color-picker.svelte.ts

@@ -20,6 +20,23 @@ import type {
 } from "./types";
 import { clamp } from '$lib';
 
+type ColorPickerRootStateProps = {
+	value: Active<ColorValue | undefined>;
+	defaultValue: Active<ColorValue | undefined>;
+	onValueChange: Active<((value: ColorValue) => void) | undefined>;
+	disabled: Active<boolean>;
+	format: Active<ColorFormat>;
+};
+
+type ColorPickerInputStateProps = {
+	format: Active<ColorFormat>;
+};
+
+type ColorPickerSwatchesStateProps = {
+	colors: Active<string[]>;
+	onSelect: Active<((color: string) => void) | undefined>;
+};
+
 // ─── Root State ───────────────────────────────────────────────────────────────
 
 export class ColorPickerRootState {
@@ -37,15 +54,15 @@ export class ColorPickerRootState {
 	readonly disabled: Active<boolean>;
 	readonly format:   Active<ColorFormat>;
 
-	readonly #onValueChange: ((v: ColorValue) => void) | undefined;
+	readonly #onValueChange: Active<((v: ColorValue) => void) | undefined>;
 
-	constructor(props: ColorPickerRootProps) {
-		const initial = props.defaultValue ?? props.value ?? DEFAULT_COLOR;
+	constructor(props: ColorPickerRootStateProps) {
+		const initial = props.defaultValue.current ?? props.value.current ?? DEFAULT_COLOR;
 
-		this.#hsv          = state<HSVColor>(initial.hsv);
+		this.#hsv = state<HSVColor>(initial.hsv);
 		this.#onValueChange = props.onValueChange;
-		this.disabled       = readableActive(() => props.disabled ?? false);
-		this.format         = readableActive(() => props.format ?? "hex");
+		this.disabled = props.disabled;
+		this.format = props.format;
 
 		this.value = readableActive(() => colorValueFromHsv(this.#hsv.current));
 		this.hex   = readableActive(() => hsvToHex(this.#hsv.current));
@@ -58,7 +75,7 @@ export class ColorPickerRootState {
 	setHsv(hsv: Partial<HSVColor>) {
 		const next = { ...this.#hsv.current, ...hsv };
 		this.#hsv.current = next;
-		this.#onValueChange?.(colorValueFromHsv(next));
+		this.#onValueChange.current?.(colorValueFromHsv(next));
 	}
 
 	setHue(h: number) {
@@ -77,18 +94,18 @@ export class ColorPickerRootState {
 		const hsv = parseColor(css);
 		if (!hsv) return false;
 		this.#hsv.current = hsv;
-		this.#onValueChange?.(colorValueFromHsv(hsv));
+		this.#onValueChange.current?.(colorValueFromHsv(hsv));
 		return true;
 	}
 
 	setFromColorValue(color: ColorValue) {
 		this.#hsv.current = color.hsv;
-		this.#onValueChange?.(color);
+		this.#onValueChange.current?.(color);
 	}
 
 	// ─── Factory ─────────────────────────────────────────────────────────────
 
-	static create(props: ColorPickerRootProps) {
+	static create(props: ColorPickerRootStateProps) {
 		return ColorPickerRootState.ctx.set(new ColorPickerRootState(props));
 	}
 
@@ -221,7 +238,7 @@ export class ColorPickerAlphaSliderState {
 
 export class ColorPickerInputState {
 	readonly #root: ColorPickerRootState;
-	readonly format: ColorFormat;
+	readonly format: Active<ColorFormat>;
 
 	// Displayed string — formatted according to `format`
 	readonly displayValue: Active<string>;
@@ -231,13 +248,13 @@ export class ColorPickerInputState {
 
 	readonly inputValue: Active<string>;
 
-	constructor(props: ColorPickerInputProps) {
+	constructor(props: ColorPickerInputStateProps) {
 		this.#root  = ColorPickerRootState.get();
 		this.format = props.format;
 
 		this.displayValue = readableActive(() => {
 			const color = this.#root.value.current;
-			switch (this.format) {
+			switch (this.format.current) {
 				case "hex": return color.hex;
 				case "rgb": {
 					const { r, g, b, a } = color.rgb;
@@ -275,7 +292,7 @@ export class ColorPickerInputState {
 		if (e.key === "Escape") this.#editBuffer = null;
 	}
 
-	static create(props: ColorPickerInputProps) {
+	static create(props: ColorPickerInputStateProps) {
 		return new ColorPickerInputState(props);
 	}
 }
@@ -284,10 +301,10 @@ export class ColorPickerInputState {
 
 export class ColorPickerSwatchesState {
 	readonly #root: ColorPickerRootState;
-	readonly #onSelect: ((color: string) => void) | undefined;
-	readonly colors: string[];
+	readonly #onSelect: Active<((color: string) => void) | undefined>;
+	readonly colors: Active<string[]>;
 
-	constructor(props: ColorPickerSwatchesProps) {
+	constructor(props: ColorPickerSwatchesStateProps) {
 		this.#root     = ColorPickerRootState.get();
 		this.colors    = props.colors;
 		this.#onSelect = props.onSelect;
@@ -295,7 +312,7 @@ export class ColorPickerSwatchesState {
 
 	selectSwatch(color: string) {
 		const success = this.#root.setFromString(color);
-		if (success) this.#onSelect?.(color);
+		if (success) this.#onSelect.current?.(color);
 	}
 
 	isSelected(color: string): boolean {
@@ -305,7 +322,7 @@ export class ColorPickerSwatchesState {
 		return hsvToHex(hsv) === current;
 	}
 
-	static create(props: ColorPickerSwatchesProps) {
+	static create(props: ColorPickerSwatchesStateProps) {
 		return new ColorPickerSwatchesState(props);
 	}
 }

src/uix/terra/color-picker/components/color-picker-input.svelte

@@ -1,17 +1,22 @@
 <script lang="ts">
+	import { readableActive } from "../../utils";
 	import { ColorPickerInputState } from "../color-picker.svelte";
 	import type { ColorPickerInputProps } from "../types";
 
 	let { format, class: className }: ColorPickerInputProps = $props();
 
-	const input = ColorPickerInputState.create({ format });
+	const input = ColorPickerInputState.create({
+		format: readableActive(() => format),
+	});
+
+	const ariaLabel = $derived(`Color value (${format})`);
 </script>
 
 <input
 	type="text"
 	class={className}
 	value={input.inputValue.current}
-	aria-label="Color value ({format})"
+	aria-label={ariaLabel}
 	spellcheck="false"
 	autocomplete="off"
 	oninput={(e) => input.handleInput(e.currentTarget.value)}

src/uix/terra/color-picker/components/color-picker-root.svelte

@@ -1,4 +1,5 @@
 <script lang="ts">
+	import { readableActive } from "../../utils";
 	import { ColorPickerRootState } from "../color-picker.svelte";
 	import type { ColorPickerRootProps } from "../types";
 
@@ -12,11 +13,11 @@
 	}: ColorPickerRootProps & { children?: import("svelte").Snippet } = $props();
 
 	ColorPickerRootState.create({
-		value,
-		defaultValue,
-		onValueChange,
-		disabled,
-		format,
+		value: readableActive(() => value),
+		defaultValue: readableActive(() => defaultValue),
+		onValueChange: readableActive(() => onValueChange),
+		disabled: readableActive(() => disabled),
+		format: readableActive(() => format),
 	});
 </script>
 

src/uix/terra/color-picker/components/color-picker-swatches.svelte

@@ -1,11 +1,15 @@
 <script lang="ts">
+	import { readableActive } from "../../utils";
 	import { ColorPickerSwatchesState } from "../color-picker.svelte";
 	import type { ColorPickerSwatchesProps } from "../types";
 	import ColorPickerSwatch from "./color-picker-swatch.svelte";
 
 	let { colors, onSelect, class: className }: ColorPickerSwatchesProps = $props();
 
-	const swatches = ColorPickerSwatchesState.create({ colors, onSelect });
+	const swatches = ColorPickerSwatchesState.create({
+		colors: readableActive(() => colors),
+		onSelect: readableActive(() => onSelect),
+	});
 </script>
 
 <div
@@ -13,7 +17,7 @@
 	role="group"
 	aria-label="Color swatches"
 >
-	{#each swatches.colors as color (color)}
+	{#each swatches.colors.current as color (color)}
 		<ColorPickerSwatch
 			{color}
 			selected={swatches.isSelected(color)}