Method moveTextFromRangeToPosition

src/trix/models/document.js:188–223

(range, position)

  }

  moveTextFromRangeToPosition(range, position) {
    let text
    range = normalizeRange(range)
    const [ startPosition, endPosition ] = range
    if (startPosition <= position && position <= endPosition) {
      return this
    }

    let document = this.getDocumentAtRange(range)
    let result = this.removeTextAtRange(range)

    const movingRightward = startPosition < position
    if (movingRightward) {
      position -= document.getLength()
    }

    const [ firstBlock, ...blocks ] = document.getBlocks()
    if (blocks.length === 0) {
      text = firstBlock.getTextWithoutBlockBreak()
      if (movingRightward) {
        position += 1
      }
    } else {
      text = firstBlock.text
    }

    result = result.insertTextAtRange(text, position)
    if (blocks.length === 0) {
      return result
    }

    document = new this.constructor(blocks)
    position += text.getLength()

    return result.insertDocumentAtRange(document, position)
  }

  addAttributeAtRange(attribute, value, range) {
    let { blockList } = this