Use Coordinates as the shared type for geographic coordinates. Use CoordinatesCommand in request DTOs, CoordinatesQuery for query parameters, @CoordinatesColumn() in TypeORM entities, and CoordinatesResponse in API responses.

import { ApiProperty } from '@nestjs/swagger'
import { Coordinates, CoordinatesColumn, CoordinatesCommand, CoordinatesQuery, CoordinatesResponse } from '@wisemen/coordinates'

export class UpdateLocationCommand {
  @ApiProperty({ type: CoordinatesCommand })
  coordinates: CoordinatesCommand
}

export class LocationResponse {
  @ApiProperty({ type: CoordinatesResponse, nullable: true })
  coordinates: CoordinatesResponse | null
}

@Entity()
export class Location {
  @CoordinatesColumn({ nullable: true })
  coordinates: Coordinates | null
}

const coordinates = dto.coordinates.parse()
const center = query.parse()

return {
  coordinates: CoordinatesResponse.from(location.coordinates),
}

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@wisemen/coordinates - Getting Started

import { ApiProperty } from '@nestjs/swagger'
import { Coordinates, CoordinatesColumn, CoordinatesCommand, CoordinatesQuery, CoordinatesResponse } from '@wisemen/coordinates'

export class UpdateLocationCommand {
  @ApiProperty({ type: CoordinatesCommand })
  coordinates: CoordinatesCommand
}

export class LocationResponse {
  @ApiProperty({ type: CoordinatesResponse, nullable: true })
  coordinates: CoordinatesResponse | null
}

@Entity()
export class Location {
  @CoordinatesColumn({ nullable: true })
  coordinates: Coordinates | null
}

const coordinates = dto.coordinates.parse()
const center = query.parse()

return {
  coordinates: CoordinatesResponse.from(location.coordinates),
}