@openai/agents-core/dist/utils/standardSchema.mjs

The OpenAI Agents SDK is a lightweight yet powerful framework for building multi-agent workflows.

import { UserError } from "../errors.mjs";
const asyncStandardSchemaValidationErrors = new WeakSet();
/** @internal */
export class AsyncStandardSchemaValidationError extends UserError {
    constructor(message) {
        super(message);
        asyncStandardSchemaValidationErrors.add(this);
    }
}
/** @internal */
export function isAsyncStandardSchemaValidationError(error) {
    return ((typeof error === 'object' || typeof error === 'function') &&
        error !== null &&
        asyncStandardSchemaValidationErrors.has(error));
}
export function hasStandardSchemaMarker(schema) {
    try {
        return ((typeof schema === 'object' || typeof schema === 'function') &&
            schema !== null &&
            '~standard' in schema);
    }
    catch {
        return false;
    }
}
export function isStandardSchemaWithJSON(schema) {
    try {
        if (!hasStandardSchemaMarker(schema)) {
            return false;
        }
        const standard = schema['~standard'];
        return (standard?.version === 1 &&
            typeof standard.validate === 'function' &&
            typeof standard.jsonSchema?.input === 'function' &&
            typeof standard.jsonSchema?.output === 'function');
    }
    catch {
        return false;
    }
}
export function unsupportedStandardSchemaError() {
    return new UserError('Standard Schema values must provide both `~standard.validate` and `~standard.jsonSchema` conversion. Upgrade the schema library or use its Standard JSON Schema adapter.');
}
function isPromiseLike(value) {
    return ((typeof value === 'object' || typeof value === 'function') &&
        value !== null &&
        typeof value.then === 'function');
}
export function standardSchemaToJsonSchema(schema, io) {
    try {
        return schema['~standard'].jsonSchema[io]({ target: 'draft-2020-12' });
    }
    catch (error) {
        const detail = error instanceof Error ? ` ${error.message}` : '';
        throw new UserError(`Unable to convert the provided Standard Schema to JSON Schema.${detail}`);
    }
}
export function assertStandardSchemaObjectRoot(schema, surface) {
    if (schema.type !== 'object') {
        throw new UserError(`${surface} Standard Schema must produce a JSON Schema with \`type: "object"\` at the root. Wrap the schema in an object schema.`);
    }
}
function formatIssue(issue) {
    const path = issue.path
        ?.map((segment) => String(typeof segment === 'object' && segment !== null ? segment.key : segment))
        .join('.');
    return path ? `${path}: ${issue.message}` : issue.message;
}
function validationError(issues) {
    return new Error(issues.map(formatIssue).join(', '));
}
export function validateStandardSchema(schema, value) {
    const result = schema['~standard'].validate(value);
    if (isPromiseLike(result)) {
        void Promise.resolve(result).catch(() => { });
        throw new AsyncStandardSchemaValidationError('Standard Schema validation returned a Promise. Async Standard Schema validation is not supported.');
    }
    if (result.issues) {
        throw validationError(result.issues);
    }
    return result.value;
}
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