Stephan Meijer - What was the deal with union a...

import { Heading, Paragraph, Text } from '@toegang-voor-iedereen/document-spec-types';
import { v4 as uuidv4 } from 'uuid';
import { z } from 'zod';

// ...

export const TextDto = z.object({
  type: z.literal('text'),
  text: z.string(),
  marks: z.array(
    z.union([BoldMarkDto, ItalicMarkDto, IdentifierMarkDto])
  )
}).transform(({ text, marks }): Text => {
  return {
    id: marks.find(mark => mark.type === 'identifier')?.attrs.identifier ?? uuidv4();
    type: 'https://spec.nldoc.nl/Resource/Text',
    text,
    styling: marksToStyling(marks),
    descriptors: []
  }
})

export const HeadingDto = z.object({
  type: z.literal('heading'),
  attrs: z.object({
    identifier: z.string(),
    level: z.number(),
  }),
  content: z.array(
    Te
  )
}).transform(({ attrs, content }): Heading => {
  return {
    id: attrs.identifier,
    type: 'https://spec.nldoc.nl/Resource/Heading',
    level: attrs.level,
    descriptors: [],
    children: content
  }
});

export const ParagraphDto = z.object({
  type: z.literal('paragraph'),
  attrs: z.object({
    identifier: z.string(),
  }),
  content: z.array(TextDto)
}).transform(({ attrs, content }): Paragraph => {
  return {
    id: attrs.identifier,
    type: 'https://spec.nldoc.nl/Resource/Paragraph',
    descriptors: [],
    children: content
  }
});

export const DocumentDto = z.object({
  type: z.literal('doc'),
  attrs: z.object({
    identifier: z.string().nullable(),
  }),
  content: z.array(
    z.union([HeadingDto, ParagraphDto])
  )
}).transform(({ attrs, content }): Document => {
  return {
    id: attrs.identifier,
    type: 'https://spec.nldoc.nl/Resource/Document',
    descriptors: [],
    children: content
  }
}

import { Heading, Paragraph, Text } from '@toegang-voor-iedereen/document-spec-types';
import { v4 as uuidv4 } from 'uuid';
import { z } from 'zod';

// ...

export const TextDto = z.object({
  type: z.literal('text'),
  text: z.string(),
  marks: z.array(
    z.union([BoldMarkDto, ItalicMarkDto, IdentifierMarkDto])
  )
}).transform(({ text, marks }): Text => {
  return {
    id: marks.find(mark => mark.type === 'identifier')?.attrs.identifier ?? uuidv4();
    type: 'https://spec.nldoc.nl/Resource/Text',
    text,
    styling: marksToStyling(marks),
    descriptors: []
  }
})

export const HeadingDto = z.object({
  type: z.literal('heading'),
  attrs: z.object({
    identifier: z.string(),
    level: z.number(),
  }),
  content: z.array(
    Te
  )
}).transform(({ attrs, content }): Heading => {
  return {
    id: attrs.identifier,
    type: 'https://spec.nldoc.nl/Resource/Heading',
    level: attrs.level,
    descriptors: [],
    children: content
  }
});

export const ParagraphDto = z.object({
  type: z.literal('paragraph'),
  attrs: z.object({
    identifier: z.string(),
  }),
  content: z.array(TextDto)
}).transform(({ attrs, content }): Paragraph => {
  return {
    id: attrs.identifier,
    type: 'https://spec.nldoc.nl/Resource/Paragraph',
    descriptors: [],
    children: content
  }
});

export const DocumentDto = z.object({
  type: z.literal('doc'),
  attrs: z.object({
    identifier: z.string().nullable(),
  }),
  content: z.array(
    z.union([HeadingDto, ParagraphDto])
  )
}).transform(({ attrs, content }): Document => {
  return {
    id: attrs.identifier,
    type: 'https://spec.nldoc.nl/Resource/Document',
    descriptors: [],
    children: content
  }
}