@tarojs/taro-quickapp/src/render-queue.js

Taro quickapp framework

import nextTick from './next-tick'
import { updateComponent } from './lifecycle'

let items = []

export function enqueueRender (component, isForceUpdate = false) {
  // tslint:disable-next-line:no-conditional-assignment
  component._isForceUpdate = isForceUpdate
  if (!component._dirty && (component._dirty = true) && items.push(component) === 1) {
    nextTick(() => {
      rerender()
    })
  }
}

export function rerender () {
  let p
  const list = items
  items = []
  // tslint:disable-next-line:no-conditional-assignment
  while ((p = list.pop())) {
    if (p._dirty) {
      updateComponent(p, true)
    }
  }
}