Function patchArrayChildren

packages/nerv/src/vdom/patch.ts:101–142

(
  parentDom: Element,
  lastChildren,
  nextChildren,
  context: object,
  isSvg: boolean
)

}

function patchArrayChildren (
  parentDom: Element,
  lastChildren,
  nextChildren,
  context: object,
  isSvg: boolean
) {
  const lastLength = lastChildren.length
  const nextLength = nextChildren.length
  if (lastLength === 0) {
    if (nextLength > 0) {
      for (let i = 0; i < nextLength; i++) {
        mountChild(nextChildren[i], parentDom, context, isSvg)
      }
    }
  } else if (nextLength === 0) {
    unmountChildren(lastChildren)
    parentDom.textContent = ''
  } else {
    if (isKeyed(lastChildren, nextChildren)) {
      patchKeyedChildren(
        lastChildren,
        nextChildren,
        parentDom,
        context,
        isSvg,
        lastLength,
        nextLength
      )
    } else {
      patchNonKeyedChildren(
        parentDom,
        lastChildren,
        nextChildren,
        context,
        isSvg,
        lastLength,
        nextLength
      )
    }
  }
}

export function patchChildren (
  parentDom: Element,