export function schemaForInterface()

in src/jsii2schema.ts [276:331]

• 41 lines of code
• 11 McCabe index (conditional complexity)

export function schemaForInterface(type: jsiiReflect.Type | undefined, ctx: SchemaContext) {
  if (!type || !(type instanceof jsiiReflect.InterfaceType)) {
    return undefined; // skip
  }

  if (type.allMethods.length > 0) {
    return undefined;
  }

  ctx = ctx.child('interface', type.fqn);

  const ifctx = ctx;

  return ctx.define(type.fqn, () => {
    const properties: any = {};
    const required = new Array<string>();

    for (const prop of type.allProperties) {

      ctx = ifctx.child(prop.optional ? 'optional' : 'required' + ' property', prop.name);

      const schema = schemaForTypeReference(prop.type, ctx);
      if (!schema) {
        // if prop is not serializable but optional, we can still serialize
        // but without this property.
        if (prop.optional) {
          ctx.warning('optional proprety omitted because it cannot be schematized');
          continue;
        }

        // error
        ctx.error('property cannot be schematized');
        return undefined;
      }

      properties[prop.name] = schema;

      const docstring = prop.docs.toString();
      if (docstring) {
        properties[prop.name].description = docstring;
      }

      if (!prop.optional) {
        required.push(prop.name);
      }
    }

    return {
      type: 'object',
      title: type.name,
      additionalProperties: false,
      properties,
      required: required.length > 0 ? required : undefined,
    };
  });
}