Method getCommonAttributesAtPosition

src/trix/models/document.js:552–575

(position)

  }

  getCommonAttributesAtPosition(position) {
    let key, value
    const { index, offset } = this.locationFromPosition(position)
    const block = this.getBlockAtIndex(index)
    if (!block) {
      return {}
    }

    const commonAttributes = attributesForBlock(block)
    const attributes = block.text.getAttributesAtPosition(offset)
    const attributesLeft = block.text.getAttributesAtPosition(offset - 1)
    const inheritableAttributes = Object.keys(config.textAttributes).filter((key) => {
      return config.textAttributes[key].inheritable
    })

    for (key in attributesLeft) {
      value = attributesLeft[key]
      if (value === attributes[key] || inheritableAttributes.includes(key)) {
        commonAttributes[key] = value
      }
    }

    return commonAttributes
  }

  getRangeOfCommonAttributeAtPosition(attributeName, position) {
    const { index, offset } = this.locationFromPosition(position)