zod-to-json-schema
Version:
Converts Zod schemas to Json Schemas
78 lines (77 loc) • 2.52 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseObjectDef = void 0;
const zod_1 = require("zod");
const parseDef_js_1 = require("../parseDef.js");
function parseObjectDef(def, refs) {
const forceOptionalIntoNullable = refs.target === "openAi";
const result = {
type: "object",
properties: {},
};
const required = [];
const shape = def.shape();
for (const propName in shape) {
let propDef = shape[propName];
if (propDef === undefined || propDef._def === undefined) {
continue;
}
let propOptional = safeIsOptional(propDef);
if (propOptional && forceOptionalIntoNullable) {
if (propDef instanceof zod_1.ZodOptional) {
propDef = propDef._def.innerType;
}
if (!propDef.isNullable()) {
propDef = propDef.nullable();
}
propOptional = false;
}
const parsedDef = (0, parseDef_js_1.parseDef)(propDef._def, {
...refs,
currentPath: [...refs.currentPath, "properties", propName],
propertyPath: [...refs.currentPath, "properties", propName],
});
if (parsedDef === undefined) {
continue;
}
result.properties[propName] = parsedDef;
if (!propOptional) {
required.push(propName);
}
}
if (required.length) {
result.required = required;
}
const additionalProperties = decideAdditionalProperties(def, refs);
if (additionalProperties !== undefined) {
result.additionalProperties = additionalProperties;
}
return result;
}
exports.parseObjectDef = parseObjectDef;
function decideAdditionalProperties(def, refs) {
if (def.catchall._def.typeName !== "ZodNever") {
return (0, parseDef_js_1.parseDef)(def.catchall._def, {
...refs,
currentPath: [...refs.currentPath, "additionalProperties"],
});
}
switch (def.unknownKeys) {
case "passthrough":
return refs.allowedAdditionalProperties;
case "strict":
return refs.rejectedAdditionalProperties;
case "strip":
return refs.removeAdditionalStrategy === "strict"
? refs.allowedAdditionalProperties
: refs.rejectedAdditionalProperties;
}
}
function safeIsOptional(schema) {
try {
return schema.isOptional();
}
catch {
return true;
}
}