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effectScope scopes doubly-linked list

This commit is contained in:
Zihao Wu 2025-06-27 21:05:55 +08:00
parent a0b78f6322
commit 1f63cf607f
1 changed files with 12 additions and 14 deletions
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26
packages/reactivity/src/effectScope.ts
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@ -44,11 +44,11 @@ export class EffectScope {
constructor(public detached = false) { constructor(public detached = false) {
this.parent = activeEffectScope this.parent = activeEffectScope
if (!detached && activeEffectScope) { if (!detached && activeEffectScope) {
if(activeEffectScope.scopesTail) { if (activeEffectScope.scopesTail) {
this.prevEffectScope = activeEffectScope.scopesTail; this.prevEffectScope = activeEffectScope.scopesTail;
activeEffectScope.scopesTail.nextEffectScope = this; activeEffectScope.scopesTail.nextEffectScope = this;
activeEffectScope.scopesTail = this; activeEffectScope.scopesTail = this;
}else { } else {
activeEffectScope.scopes = activeEffectScope.scopesTail = this; activeEffectScope.scopes = activeEffectScope.scopesTail = this;
} }
} }
@ -61,11 +61,10 @@ export class EffectScope {
pause(): void { pause(): void {
if (this._active) { if (this._active) {
this._isPaused = true this._isPaused = true
let i, l for (let child = this.scopes; child != undefined; child = child.nextEffectScope) {
for(let child = this.scopes; child != undefined; child = child.nextEffectScope) {
child.pause(); child.pause();
} }
for (i = 0, l = this.effects.length; i < l; i++) { for (let i = 0, l = this.effects.length; i < l; i++) {
this.effects[i].pause() this.effects[i].pause()
} }
} }
@ -78,11 +77,10 @@ export class EffectScope {
if (this._active) { if (this._active) {
if (this._isPaused) { if (this._isPaused) {
this._isPaused = false this._isPaused = false
let i, l for (let child = this.scopes; child != undefined; child = child.nextEffectScope) {
for(let child = this.scopes; child != undefined; child = child.nextEffectScope) {
child.resume(); child.resume();
} }
for (i = 0, l = this.effects.length; i < l; i++) { for (let i = 0, l = this.effects.length; i < l; i++) {
this.effects[i].resume() this.effects[i].resume()
} }
} }
@ -140,23 +138,23 @@ export class EffectScope {
} }
this.cleanups.length = 0 this.cleanups.length = 0
for(let child = this.scopes; child != undefined; child = child.nextEffectScope) { for (let child = this.scopes; child != undefined; child = child.nextEffectScope) {
child.stop(); child.stop(true);
} }
this.scopes = this.scopesTail = undefined; this.scopes = this.scopesTail = undefined;
// nested scope, dereference from parent to avoid memory leaks // nested scope, dereference from parent to avoid memory leaks
if (!this.detached && this.parent && !fromParent) { if (!this.detached && this.parent && !fromParent) {
if(this.prevEffectScope) { if (this.prevEffectScope) {
this.prevEffectScope.nextEffectScope = this.nextEffectScope; this.prevEffectScope.nextEffectScope = this.nextEffectScope;
} }
if(this.nextEffectScope) { if (this.nextEffectScope) {
this.nextEffectScope.prevEffectScope = this.prevEffectScope; this.nextEffectScope.prevEffectScope = this.prevEffectScope;
} }
if(this.parent.scopes == this) { if (this.parent.scopes == this) {
this.parent.scopes = this.nextEffectScope; this.parent.scopes = this.nextEffectScope;
} }
if(this.parent.scopesTail == this) { if (this.parent.scopesTail == this) {
this.parent.scopesTail = this.prevEffectScope; this.parent.scopesTail = this.prevEffectScope;
} }
} }