Remove valueKey from StoredState

This makes the State class fully compatible with svelte stores

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "skooma",
-	"version": "1.6.1",
+	"version": "1.7.0",
 	"author": "darkwiiplayer",
 	"license": "Unlicense",
 	"main": "skooma.js",

state.js

@@ -60,12 +60,12 @@ export class State extends SimpleState {
 
 		this.#options = options
 		this.#target = target
-		this.proxy = new Proxy(target, {
+		this.values = new Proxy(target, {
 			set: (_target, prop, value) => {
 				const old = this.get(prop)
 				if (old !== value) {
 					this.emit(prop, value)
-					if (this.#options.deep !== false) {
+					if (this.#options.shallow) {
 						if (State.isState(old)) this.disown(prop, old)
 						if (State.isState(value)) this.adopt(prop, value)
 					}
@@ -90,8 +90,8 @@ export class State extends SimpleState {
 	}
 
 	// When you only need one value, you can skip the proxy.
-	set value(value) { this.proxy.value = value }
-	get value() { return this.proxy.value }
+	set value(value) { this.values.value = value }
+	get value() { return this.values.value }
 
 	adopt(prop, state) {
 		let handlers = this.#nested.get(state)
@@ -146,13 +146,33 @@ export class State extends SimpleState {
 		}
 	}
 
-	set(prop, value) {
+	set(...args) {
+		if (args.length === 1) return this.set("value", ...args)
+
+		const [prop, value] = args
 		this.#target[prop] = value
 	}
 
-	get(prop) {
+	get(...args) {
+		if (args.length === 0) return this.get("value")
+
+		const prop = args[0]
 		return this.#target[prop]
 	}
+
+	subscribe(prop, callback) {
+		if (!callback) return this.subscribe("value", prop)
+
+		const controller = new AbortController()
+		this.addEventListener("change", ({final}) => {
+			if (final.has(prop)) return callback(final.get(prop))
+		}, {signal: controller.signal})
+		callback(this.value)
+		return () => controller.abort()
+	}
+
+	// Backwards compatibility
+	get proxy() { return this.values }
 }
 
 const forwardFinalizationRegistry = new FinalizationRegistry(([cache, name]) => {
@@ -185,8 +205,8 @@ export class ForwardState extends SimpleState {
 		}, {signal: abortController.signal})
 	}
 
-	get value() { return this.#backend.proxy[this.#property] ?? this.#fallback }
-	set value(value) { this.#backend.proxy[this.#property] = value }
+	get value() { return this.#backend.values[this.#property] ?? this.#fallback }
+	set value(value) { this.#backend.values[this.#property] = value }
 }
 
 class StorageChangeEvent extends Event {
@@ -201,16 +221,13 @@ class StorageChangeEvent extends Event {
 
 export class StoredState extends State {
 	#storage
-	#valueKey
 
 	constructor(init, options={}) {
 		super({}, options)
 		this.#storage = options.storage ?? localStorage ?? new MapStorage()
-		this.#valueKey = options.key ?? 'value'
 
 		// Initialise storage from defaults
-		for (let [prop, value] of Object.entries(init)) {
-			if (prop === 'value') prop = this.#valueKey
+		for (const [prop, value] of Object.entries(init)) {
 			if (this.#storage[prop] === undefined)
 				this.set(prop, value)
 		}
@@ -226,9 +243,7 @@ export class StoredState extends State {
 		// Listen for changes from other windows
 		const handler = event => {
 			if (event.targetState !== this && event.storageArea == this.#storage) {
-				let prop = event.key
-				if (prop === this.#valueKey) prop = 'value'
-				this.emit(prop, JSON.parse(event.newValue))
+				this.emit(event.key, JSON.parse(event.newValue))
 			}
 		}
 		addEventListener("storage", handler)
@@ -236,14 +251,12 @@ export class StoredState extends State {
 	}
 
 	set(prop, value) {
-		if (prop == "value") prop = this.#valueKey
 		const json = JSON.stringify(value)
 		dispatchEvent(new StorageChangeEvent(this.#storage, prop, json, this))
 		this.#storage[prop] = json
 	}
 
 	get(prop) {
-		if (prop == "value") prop = this.#valueKey
 		const value = this.#storage[prop]
 		return value && JSON.parse(value)
 	}
@@ -254,8 +267,8 @@ const attributeObserver = new MutationObserver(mutations => {
 		if (type == "attributes") {
 			const next = target.getAttribute(name)
 			const camelName = kebabToCamel(name)
-			if (String(target.state.proxy[camelName]) !== next)
-				target.state.proxy[camelName] = next
+			if (String(target.state.values[camelName]) !== next)
+				target.state.values[camelName] = next
 		}
 	}
 })