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

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

const INVALID_JSON_VALUE = Symbol('invalidJsonValue');
/**
 * Creates a detached JSON-compatible snapshot of a provider usage object.
 */
export function snapshotRawUsage(rawUsage) {
    if (typeof rawUsage !== 'object' ||
        rawUsage === null ||
        Array.isArray(rawUsage)) {
        return undefined;
    }
    try {
        const snapshot = cloneJsonValue(rawUsage, new Set());
        return snapshot === INVALID_JSON_VALUE ||
            snapshot === null ||
            typeof snapshot !== 'object' ||
            Array.isArray(snapshot)
            ? undefined
            : snapshot;
    }
    catch {
        return undefined;
    }
}
function cloneJsonValue(value, ancestors) {
    if (value === null) {
        return null;
    }
    if (typeof value === 'string' ||
        typeof value === 'boolean' ||
        (typeof value === 'number' && Number.isFinite(value))) {
        return value;
    }
    if (typeof value === 'undefined') {
        return INVALID_JSON_VALUE;
    }
    if (typeof value !== 'object' || ancestors.has(value)) {
        return INVALID_JSON_VALUE;
    }
    ancestors.add(value);
    try {
        if (Array.isArray(value)) {
            const result = [];
            for (const entry of value) {
                const cloned = cloneJsonValue(entry, ancestors);
                if (cloned === INVALID_JSON_VALUE) {
                    return INVALID_JSON_VALUE;
                }
                result.push(cloned);
            }
            return result;
        }
        const prototype = Object.getPrototypeOf(value);
        if (prototype !== Object.prototype && prototype !== null) {
            return INVALID_JSON_VALUE;
        }
        const entries = [];
        for (const [key, entry] of Object.entries(value)) {
            if (typeof entry === 'undefined') {
                continue;
            }
            const cloned = cloneJsonValue(entry, ancestors);
            if (cloned === INVALID_JSON_VALUE) {
                return INVALID_JSON_VALUE;
            }
            entries.push([key, cloned]);
        }
        return Object.fromEntries(entries);
    }
    finally {
        ancestors.delete(value);
    }
}
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