Press n or j to go to the next uncovered block, b, p or k for the previous block.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 | 98x 98x 1585x 1585x 1585x 1585x 2x 2x 18x 17x 17x 17x 17x 1x 1x 2578x 2560x 211x 211x 225x 211x 4x 211x 1x 1x 211x 1x 1x 211x 98x 1x 98x 1569x 1282x 98x 98x 5x 4x 1x 1x | import { ReactiveEffect } from './effect' import { warn } from './warning' let activeEffectScope: EffectScope | undefined export class EffectScope { active = true effects: ReactiveEffect[] = [] cleanups: (() => void)[] = [] parent: EffectScope | undefined scopes: EffectScope[] | undefined /** * track a child scope's index in its parent's scopes array for optimized * removal */ private index: number | undefined constructor(detached = false) { if (!detached && activeEffectScope) { this.parent = activeEffectScope this.index = (activeEffectScope.scopes || (activeEffectScope.scopes = [])).push( this ) - 1 } } run<T>(fn: () => T): T | undefined { if (this.active) { try { activeEffectScope = this return fn() } finally { activeEffectScope = this.parent } } else if (__DEV__) { warn(`cannot run an inactive effect scope.`) } } on() { activeEffectScope = this } off() { activeEffectScope = this.parent } stop(fromParent?: boolean) { if (this.active) { let i, l for (i = 0, l = this.effects.length; i < l; i++) { this.effects[i].stop() } for (i = 0, l = this.cleanups.length; i < l; i++) { this.cleanups[i]() } if (this.scopes) { for (i = 0, l = this.scopes.length; i < l; i++) { this.scopes[i].stop(true) } } // nested scope, dereference from parent to avoid memory leaks if (this.parent && !fromParent) { // optimized O(1) removal const last = this.parent.scopes!.pop() Iif (last && last !== this) { this.parent.scopes![this.index!] = last last.index = this.index! } } this.active = false } } } export function effectScope(detached?: boolean) { return new EffectScope(detached) } export function recordEffectScope( effect: ReactiveEffect, scope: EffectScope | undefined = activeEffectScope ) { if (scope && scope.active) { scope.effects.push(effect) } } export function getCurrentScope() { return activeEffectScope } export function onScopeDispose(fn: () => void) { if (activeEffectScope) { activeEffectScope.cleanups.push(fn) } else if (__DEV__) { warn( `onScopeDispose() is called when there is no active effect scope` + ` to be associated with.` ) } } |