79 lines
3.2 KiB
JavaScript
79 lines
3.2 KiB
JavaScript
import { parseDef } from "./parseDef.mjs";
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import { getRefs } from "./Refs.mjs";
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import { zodDef, isEmptyObj } from "./util.mjs";
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const zodToJsonSchema = (schema, options) => {
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const refs = getRefs(options);
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const name = typeof options === 'string' ? options
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: options?.nameStrategy === 'title' ? undefined
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: options?.name;
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const main = parseDef(schema._def, name === undefined ? refs : ({
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...refs,
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currentPath: [...refs.basePath, refs.definitionPath, name],
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}), false) ?? {};
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const title = typeof options === 'object' && options.name !== undefined && options.nameStrategy === 'title' ?
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options.name
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: undefined;
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if (title !== undefined) {
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main.title = title;
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}
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const definitions = (() => {
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if (isEmptyObj(refs.definitions)) {
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return undefined;
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}
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const definitions = {};
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const processedDefinitions = new Set();
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// the call to `parseDef()` here might itself add more entries to `.definitions`
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// so we need to continually evaluate definitions until we've resolved all of them
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//
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// we have a generous iteration limit here to avoid blowing up the stack if there
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// are any bugs that would otherwise result in us iterating indefinitely
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for (let i = 0; i < 500; i++) {
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const newDefinitions = Object.entries(refs.definitions).filter(([key]) => !processedDefinitions.has(key));
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if (newDefinitions.length === 0)
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break;
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for (const [key, schema] of newDefinitions) {
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definitions[key] =
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parseDef(zodDef(schema), { ...refs, currentPath: [...refs.basePath, refs.definitionPath, key] }, true) ?? {};
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processedDefinitions.add(key);
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}
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}
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return definitions;
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})();
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const combined = name === undefined ?
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definitions ?
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{
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...main,
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[refs.definitionPath]: definitions,
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}
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: main
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: refs.nameStrategy === 'duplicate-ref' ?
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{
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...main,
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...(definitions || refs.seenRefs.size ?
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{
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[refs.definitionPath]: {
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...definitions,
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// only actually duplicate the schema definition if it was ever referenced
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// otherwise the duplication is completely pointless
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...(refs.seenRefs.size ? { [name]: main } : undefined),
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},
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}
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: undefined),
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}
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: {
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$ref: [...(refs.$refStrategy === 'relative' ? [] : refs.basePath), refs.definitionPath, name].join('/'),
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[refs.definitionPath]: {
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...definitions,
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[name]: main,
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},
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};
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if (refs.target === 'jsonSchema7') {
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combined.$schema = 'http://json-schema.org/draft-07/schema#';
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}
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else if (refs.target === 'jsonSchema2019-09') {
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combined.$schema = 'https://json-schema.org/draft/2019-09/schema#';
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}
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return combined;
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};
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export { zodToJsonSchema };
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//# sourceMappingURL=zodToJsonSchema.mjs.map
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