json-schema-library
Version:
Customizable and hackable json-validator and json-schema utilities for traversal, data generation and validation
41 lines (40 loc) • 1.59 kB
JavaScript
import { isSchemaNode } from "../types";
/**
* Returns a list of possible child-schemas for the given property key. In case of a oneOf selection, multiple schemas
* could be added at the given property (e.g. item-index), thus an array of options is returned. In all other cases
* a list with a single item will be returned
*/
export function getChildSelection(node, property) {
var _a;
if (node.oneOf) {
return node.oneOf.map((childNode) => childNode.resolveRef());
}
if ((_a = node.items) === null || _a === void 0 ? void 0 : _a.oneOf) {
return node.items.oneOf.map((childNode) => childNode.resolveRef());
}
// array.items[] found
if (node.prefixItems && node.prefixItems.length > +property) {
const { node: childNode, error } = node.getNodeChild(property);
if (isSchemaNode(childNode)) {
return [childNode];
}
return error;
}
if (node.schema.items === true) {
return [node.compileSchema({ type: "string" })];
}
if (node.schema.items === false) {
return [];
}
// array.items[] exceeded (or undefined), but additionalItems specified
if (node.items) {
// we fallback to a string if no schema is defined - might be subject for configuration
return [node.items.resolveRef()];
}
// array.items[] exceeded
if (node.prefixItems && node.prefixItems.length <= +property) {
return [];
}
const { node: childNode, error } = node.getNodeChild(property);
return error !== null && error !== void 0 ? error : [childNode];
}