zodToJsonSchema.js•2.32 kB
import { parseDef } from "./parseDef.js";
import { getRefs } from "./Refs.js";
const zodToJsonSchema = (schema, options) => {
const refs = getRefs(options);
const definitions = typeof options === "object" && options.definitions
? Object.entries(options.definitions).reduce((acc, [name, schema]) => ({
...acc,
[name]: parseDef(schema._def, {
...refs,
currentPath: [...refs.basePath, refs.definitionPath, name],
}, true) ?? {},
}), {})
: undefined;
const name = typeof options === "string"
? options
: options?.nameStrategy === "title"
? undefined
: options?.name;
const main = parseDef(schema._def, name === undefined
? refs
: {
...refs,
currentPath: [...refs.basePath, refs.definitionPath, name],
}, false) ?? {};
const title = typeof options === "object" &&
options.name !== undefined &&
options.nameStrategy === "title"
? options.name
: undefined;
if (title !== undefined) {
main.title = title;
}
const combined = name === undefined
? definitions
? {
...main,
[refs.definitionPath]: definitions,
}
: main
: {
$ref: [
...(refs.$refStrategy === "relative" ? [] : refs.basePath),
refs.definitionPath,
name,
].join("/"),
[refs.definitionPath]: {
...definitions,
[name]: main,
},
};
if (refs.target === "jsonSchema7") {
combined.$schema = "http://json-schema.org/draft-07/schema#";
}
else if (refs.target === "jsonSchema2019-09" || refs.target === "openAi") {
combined.$schema = "https://json-schema.org/draft/2019-09/schema#";
}
if (refs.target === "openAi" &&
("anyOf" in combined ||
"oneOf" in combined ||
"allOf" in combined ||
("type" in combined && Array.isArray(combined.type)))) {
console.warn("Warning: OpenAI may not support schemas with unions as roots! Try wrapping it in an object property.");
}
return combined;
};
export { zodToJsonSchema };