json-schema-to-ts
Version:
Infer typescript types from your JSON schemas!
15 lines (14 loc) • 1.27 kB
TypeScript
import type { M } from "ts-algebra";
import type { JSONSchema } from "../definitions";
import type { ParseSchema, ParseSchemaOptions } from "./index";
import type { MergeSubSchema } from "./utils";
export type IfThenElseSchema = JSONSchema & {
if: JSONSchema;
then?: JSONSchema;
else?: JSONSchema;
};
export type ParseIfThenElseSchema<IF_THEN_ELSE_SCHEMA extends IfThenElseSchema, OPTIONS extends ParseSchemaOptions, REST_SCHEMA extends JSONSchema = Omit<IF_THEN_ELSE_SCHEMA, "if" | "then" | "else">, IF_SCHEMA extends JSONSchema = MergeSubSchema<REST_SCHEMA, IF_THEN_ELSE_SCHEMA["if"]>, PARSED_THEN_SCHEMA = IF_THEN_ELSE_SCHEMA extends {
then: JSONSchema;
} ? M.$Intersect<ParseSchema<IF_SCHEMA, OPTIONS>, ParseSchema<MergeSubSchema<REST_SCHEMA, IF_THEN_ELSE_SCHEMA["then"]>, OPTIONS>> : ParseSchema<IF_SCHEMA, OPTIONS>, PARSED_ELSE_SCHEMA = IF_THEN_ELSE_SCHEMA extends {
else: JSONSchema;
} ? M.$Intersect<M.$Exclude<ParseSchema<REST_SCHEMA, OPTIONS>, ParseSchema<IF_SCHEMA, OPTIONS>>, ParseSchema<MergeSubSchema<REST_SCHEMA, IF_THEN_ELSE_SCHEMA["else"]>, OPTIONS>> : M.$Exclude<ParseSchema<REST_SCHEMA, OPTIONS>, ParseSchema<IF_SCHEMA, OPTIONS>>> = M.$Intersect<M.$Union<PARSED_THEN_SCHEMA | PARSED_ELSE_SCHEMA>, ParseSchema<REST_SCHEMA, OPTIONS>>;