Medplum

// SPDX-FileCopyrightText: Copyright Orangebot, Inc. and Medplum contributors // SPDX-License-Identifier: Apache-2.0 import type { InternalSchemaElement, InternalTypeSchema } from './typeschema/types'; export type BaseSchema = Record<string, { elements: Record<string, Partial<InternalSchemaElement>> }>; const normalizedTypes: Record<string, string> = { 'http://hl7.org/fhirpath/System.String': 'string', }; export function compressElement(element: InternalSchemaElement): Partial<InternalSchemaElement> { // For each property, only keep "min", "max", and "type" // Only keep "min" if not 0 // Only keep "max" if not 1 const outputPropertySchema: Partial<InternalSchemaElement> = {}; if (element.min !== 0) { outputPropertySchema.min = element.min; } if (element.max !== 1 && Number.isFinite(element.max)) { outputPropertySchema.max = element.max; } else if (element.max === Number.POSITIVE_INFINITY) { outputPropertySchema.max = Number.MAX_SAFE_INTEGER; } outputPropertySchema.type = element.type?.map((t) => ({ ...t, extension: undefined, code: normalizedTypes[t.code] ?? t.code, })); return outputPropertySchema; } export function inflateElement(path: string, partial: Partial<InternalSchemaElement>): InternalSchemaElement { const max = partial.max && partial.max === Number.MAX_SAFE_INTEGER ? Number.POSITIVE_INFINITY : partial.max; return { path, description: '', type: partial.type ?? [], min: partial.min ?? 0, max: max ?? 1, isArray: !!max && max > 1, constraints: [], }; } export type DataTypesMap = { [type: string]: InternalTypeSchema }; export function inflateBaseSchema(base: BaseSchema): DataTypesMap { const output: DataTypesMap = Object.create(null); for (const [key, schema] of Object.entries(base)) { output[key] = { name: key, type: key, path: key, elements: Object.fromEntries( Object.entries(schema.elements).map(([property, partial]) => [property, inflateElement(property, partial)]) ), constraints: [], innerTypes: [], }; } return output; }