Method insertChild

src/native-ts/yoga-layout/index.ts:520–524

(child: Node, index: number)

  // -- Tree

  insertChild(child: Node, index: number): void {
    child.parent = this
    this.children.splice(index, 0, child)
    this.markDirty()
  }
  removeChild(child: Node): void {
    const idx = this.children.indexOf(child)
    if (idx >= 0) {