Method getRangeOfCommonAttributeAtPosition

src/trix/models/document.js:577–585

(attributeName, position)

  }

  getRangeOfCommonAttributeAtPosition(attributeName, position) {
    const { index, offset } = this.locationFromPosition(position)
    const text = this.getTextAtIndex(index)
    const [ startOffset, endOffset ] = Array.from(text.getExpandedRangeForAttributeAtOffset(attributeName, offset))

    const start = this.positionFromLocation({ index, offset: startOffset })
    const end = this.positionFromLocation({ index, offset: endOffset })
    return normalizeRange([ start, end ])
  }

  getBaseBlockAttributes() {
    let baseBlockAttributes = this.getBlockAtIndex(0).getAttributes()