Method eachBlockAtRange

src/trix/models/document.js:499–528

(range, callback)

  }

  eachBlockAtRange(range, callback) {
    let block, textRange
    range = normalizeRange(range)
    const [ startPosition, endPosition ] = range
    const startLocation = this.locationFromPosition(startPosition)
    const endLocation = this.locationFromPosition(endPosition)

    if (startLocation.index === endLocation.index) {
      block = this.getBlockAtIndex(startLocation.index)
      textRange = [ startLocation.offset, endLocation.offset ]
      return callback(block, textRange, startLocation.index)
    } else {
      for (let index = startLocation.index; index <= endLocation.index; index++) {
        block = this.getBlockAtIndex(index)
        if (block) {
          switch (index) {
            case startLocation.index:
              textRange = [ startLocation.offset, block.text.getLength() ]
              break
            case endLocation.index:
              textRange = [ 0, endLocation.offset ]
              break
            default:
              textRange = [ 0, block.text.getLength() ]
          }
          callback(block, textRange, index)
        }
      }
    }
  }

  getCommonAttributesAtRange(range) {
    range = normalizeRange(range)