@anthropic-ai/sdk
Version:
The official TypeScript library for the Anthropic API
47 lines • 2.1 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.zodOutputFormat = zodOutputFormat;
const tslib_1 = require("../internal/tslib.js");
const transform_json_schema_1 = require("../lib/transform-json-schema.js");
const z = tslib_1.__importStar(require("zod/v4"));
const error_1 = require("../core/error.js");
/**
* Creates a JSON schema output format object from the given Zod schema.
*
* If this is passed to the `.parse()` method then the response message will contain a
* `.parsed_output` property that is the result of parsing the content with the given Zod object.
*
* This can be passed directly to the `.create()` method but will not
* result in any automatic parsing, you'll have to parse the response yourself.
*/
function zodOutputFormat(zodObject) {
let jsonSchema = z.toJSONSchema(zodObject, { reused: 'ref' });
jsonSchema = (0, transform_json_schema_1.transformJSONSchema)(jsonSchema);
return {
type: 'json_schema',
schema: {
...jsonSchema,
},
parse: (content) => {
let parsed;
try {
parsed = JSON.parse(content);
}
catch (error) {
throw new error_1.AnthropicError(`Failed to parse structured output as JSON: ${error instanceof Error ? error.message : String(error)}`);
}
const output = zodObject.safeParse(parsed);
if (!output.success) {
const formattedIssues = output.error.issues
.slice(0, 5)
.map((issue) => ` - ${issue.path.join('.')}: ${issue.message}`)
.join('\n');
const issueCount = output.error.issues.length;
const suffix = issueCount > 5 ? `\n ... and ${issueCount - 5} more issue(s)` : '';
throw new error_1.AnthropicError(`Failed to parse structured output: ${output.error.message}\nValidation issues:\n${formattedIssues}${suffix}`);
}
return output.data;
},
};
}
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