protected updateOffsetAndSizeFromYogaNode()

in packages/core/src/rendering/render-object.ts [503:529]

• 24 lines of code
• 6 McCabe index (conditional complexity)

  protected updateOffsetAndSizeFromYogaNode() {
    assert(this._yogaNode, 'updateOffsetAndSizeFromYogaNode: _yogaNode 不存在')
    const layout = this._yogaNode.getComputedLayout()
    this.size = Size.fromWH(layout.width, layout.height)

    // 如果自己是布局边界，则不更新 offset，因为 offset 受 parent (例如 View) 控制
    // todo(haocong): 这会导致根节点的 margin 不起作用，需要考虑一个方法解决
    if (this._relayoutBoundary !== this
      && this._yogaNode.getPositionType() !== Yoga.POSITION_TYPE_ABSOLUTE
    ) {
      this._offset = Point.fromXY(layout.left, layout.top)
    } else {
      const { left, top } = this.style
      const nextOffset = Point.fromXY(
        typeof left === 'number'
          ? left
          : this._offset.x,
        typeof top === 'number'
          ? top
          : this._offset.y,
      )
      if (!Point.eq(nextOffset, this._offset)) {
        this._offset = nextOffset
        this.parent?.markLayoutDirty(this)
      }
    }
  }