33 lines
887 B
TypeScript
33 lines
887 B
TypeScript
|
import getTypeOf from "./getTypeOf";
|
||
|
|
import { JsonSchema } from "./types";
|
||
|
|
import { isObject } from "./utils/isObject";
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create a simple json schema for the given input data
|
||
|
|
* @param data - data to get json schema for
|
||
|
|
*/
|
||
|
|
export default function createSchemaOf(data: unknown): JsonSchema | undefined {
|
||
|
|
if (data === undefined) {
|
||
|
|
return undefined;
|
||
|
|
}
|
||
|
|
|
||
|
|
const schema: JsonSchema = {
|
||
|
|
type: getTypeOf(data)
|
||
|
|
};
|
||
|
|
|
||
|
|
if (schema.type === "object" && isObject(data)) {
|
||
|
|
schema.properties = {};
|
||
|
|
Object.keys(data).forEach((key) => (schema.properties[key] = createSchemaOf(data[key])));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (schema.type === "array" && Array.isArray(data)) {
|
||
|
|
if (data.length === 1) {
|
||
|
|
schema.items = createSchemaOf(data[0]);
|
||
|
|
} else {
|
||
|
|
schema.items = data.map(createSchemaOf);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return schema;
|
||
|
|
}
|