@openai/agents-core/dist/memory/historyMutations.js

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

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.applySessionHistoryMutations = applySessionHistoryMutations;
/**
 * Applies persisted-history mutations and returns a new canonical item list.
 */
function applySessionHistoryMutations(items, mutations) {
    let nextItems = items.map((item) => structuredClone(item));
    for (const mutation of mutations) {
        if (mutation.type === 'replace_function_call') {
            nextItems = applyReplaceFunctionCallMutation(nextItems, mutation);
        }
    }
    return nextItems;
}
function applyReplaceFunctionCallMutation(items, mutation) {
    const replacement = structuredClone(mutation.replacement);
    const nextItems = [];
    let keptReplacement = false;
    for (const item of items) {
        if (item.type === 'function_call' && item.callId === mutation.callId) {
            if (!keptReplacement) {
                nextItems.push(replacement);
                keptReplacement = true;
            }
            continue;
        }
        nextItems.push(item);
    }
    return nextItems;
}
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