Method getDocumentAtRange

src/trix/models/document.js:435–439

(range)

  }

  getDocumentAtRange(range) {
    range = normalizeRange(range)
    const blocks = this.blockList.getSplittableListInRange(range).toArray()
    return new this.constructor(blocks)
  }

  getStringAtRange(range) {
    let endIndex