bramw_baserow/enterprise/web-frontend/modules/baserow_enterprise/dashboard/chartFieldFormatting.js

import { Registerable } from '@baserow/modules/core/registry'

export class ChartFieldFormattingType extends Registerable {
  constructor(...args) {
    super(...args)
    this.type = this.getType()

    if (this.type === null) {
      throw new Error('The type has to be set.')
    }
  }

  formatGroupByFieldValue(field, value) {
    return value ?? ''
  }
}

export class SingleSelectFormattingType extends ChartFieldFormattingType {
  static getType() {
    return 'single_select'
  }

  formatGroupByFieldValue(field, value) {
    const selectOption = field.select_options.find((item) => item.id === value)

    if (selectOption) {
      return selectOption.value
    }

    return value ?? ''
  }
}