Method appendChild

packages/muyajs/lib/contentState/index.js:654–666

(parent, block)

  }

  appendChild(parent, block) {
    const len = parent.children.length
    const lastChild = parent.children[len - 1]
    parent.children.push(block)
    block.parent = parent.key
    if (lastChild) {
      lastChild.nextSibling = block.key
      block.preSibling = lastChild.key
    } else {
      block.preSibling = null
    }
    block.nextSibling = null
  }

  replaceBlock(newBlock, oldBlock) {
    const blockList = oldBlock.parent ? this.getParent(oldBlock).children : this.blocks