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Refactor state module

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Talia 2024-01-24 16:11:22 +01:00
parent 1c03da8815
commit 30f52a05e5
1 changed files with 14 additions and 12 deletions
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26
state.js
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@ -74,6 +74,9 @@ export class SimpleState extends EventTarget {
return () => controller.abort() return () => controller.abort()
} }
get() { return this.value }
set(value) { this.value = value }
emit(property, from, to, options={}) { emit(property, from, to, options={}) {
const change = {property, from, to, ...options} const change = {property, from, to, ...options}
if (!this.synchronous) { if (!this.synchronous) {
@ -146,9 +149,6 @@ export class State extends SimpleState {
}) })
} }
set value(value) { this.values.value = value }
get value() { return this.values.value }
forward(property="value", methods) { forward(property="value", methods) {
return new ForwardState(this, property, methods) return new ForwardState(this, property, methods)
} }
@ -158,10 +158,12 @@ export class State extends SimpleState {
this.#target[prop] = value this.#target[prop] = value
} }
get(prop) { get(prop="value") {
if (arguments.length === 0) return this.get("value")
return this.#target[prop] return this.#target[prop]
} }
set value(value) { this.set(value) }
get value() { return this.get() }
} }
export class ForwardState extends SimpleState { export class ForwardState extends SimpleState {
@ -338,7 +340,9 @@ class ComposedState extends SimpleState {
#microtaskQueued #microtaskQueued
scheduleUpdate() { scheduleUpdate() {
if (this.defer) { if (this.synchronous) {
this.update()
} else {
if (!this.#microtaskQueued) { if (!this.#microtaskQueued) {
queueMicrotask(() => { queueMicrotask(() => {
this.#microtaskQueued = false this.#microtaskQueued = false
@ -346,8 +350,6 @@ class ComposedState extends SimpleState {
}) })
} }
this.#microtaskQueued = true this.#microtaskQueued = true
} else {
this.update()
} }
} }
@ -359,7 +361,7 @@ class ComposedState extends SimpleState {
} }
} }
export const compose = func => (...states) => new ComposedState(func, {defer: true}, ...states) export const compose = func => (...states) => new ComposedState(func, {synchronous: false}, ...states)
const eventName = "mutation" const eventName = "mutation"
@ -412,7 +414,9 @@ export class DOMState extends SimpleState {
this.#old = current this.#old = current
if (this.defer) { if (this.synchronous) {
this.dispatchEvent(new ChangeEvent(["value", current]))
} else {
if (!this.#changedValue) { if (!this.#changedValue) {
queueMicrotask(() => { queueMicrotask(() => {
this.#changedValue = false this.#changedValue = false
@ -420,8 +424,6 @@ export class DOMState extends SimpleState {
}) })
this.#changedValue = current this.#changedValue = current
} }
} else {
this.dispatchEvent(new ChangeEvent(["value", current]))
} }
} }
} }