doccano/frontend/domain/models/tasks/sequenceLabeling.ts

import { AnnotationModel } from './interface'

export class Span implements AnnotationModel {
  constructor(
    public id: number,
    public label: number,
    public user: number,
    public startOffset: number,
    public endOffset: number
  ) {}

  static valueOf({
    id,
    label,
    user,
    start_offset,
    end_offset
  }: {
    id: number
    label: number
    user: number
    start_offset: number
    end_offset: number
  }) {
    return new Span(id, label, user, start_offset, end_offset)
  }

  toObject() {
    return {
      id: this.id,
      label: this.label,
      user: this.user,
      start_offset: this.startOffset,
      end_offset: this.endOffset
    }
  }
}