@openai/agents-core/dist/agentOutputTypeWarning.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.hasDefinitelyDifferentOutputTypes = hasDefinitelyDifferentOutputTypes;
const tools_1 = require("./utils/tools.js");
const NOT_COMPARABLE = Symbol('notComparable');
function isPrimitiveOutputType(value) {
    return (value === null || (typeof value !== 'object' && typeof value !== 'function'));
}
function readOwnDataProperty(value, key) {
    try {
        const descriptor = Object.getOwnPropertyDescriptor(value, key);
        if (!descriptor) {
            return { found: false };
        }
        if (!('value' in descriptor)) {
            return undefined;
        }
        return { found: true, value: descriptor.value };
    }
    catch (_error) {
        return undefined;
    }
}
function getComparableJsonSchemaOutputType(outputType) {
    const type = readOwnDataProperty(outputType, 'type');
    if (type?.found && type.value === 'json_schema') {
        const name = readOwnDataProperty(outputType, 'name');
        const strict = readOwnDataProperty(outputType, 'strict');
        const schema = readOwnDataProperty(outputType, 'schema');
        if (!name?.found || !strict?.found || !schema?.found) {
            return undefined;
        }
        return {
            type: type.value,
            name: name.value,
            strict: strict.value,
            schema: schema.value,
        };
    }
    return undefined;
}
function getComparableOutputType(outputType) {
    if (typeof outputType !== 'object' || outputType === null) {
        return outputType;
    }
    const outputTypeDiscriminator = readOwnDataProperty(outputType, 'type');
    if (!outputTypeDiscriminator) {
        return undefined;
    }
    if (outputTypeDiscriminator.found &&
        outputTypeDiscriminator.value === 'json_schema') {
        return getComparableJsonSchemaOutputType(outputType);
    }
    try {
        const serializedOutputType = (0, tools_1.convertAgentOutputTypeToSerializable)(outputType);
        if (typeof serializedOutputType !== 'object' ||
            serializedOutputType === null) {
            return serializedOutputType;
        }
        return getComparableJsonSchemaOutputType(serializedOutputType);
    }
    catch (_error) {
        return undefined;
    }
}
function detectArray(value) {
    try {
        return Array.isArray(value);
    }
    catch (_error) {
        return undefined;
    }
}
function readArrayLength(value) {
    const length = readOwnDataProperty(value, 'length');
    return length?.found && typeof length.value === 'number'
        ? length.value
        : undefined;
}
function isOmittedJsonObjectValue(value) {
    return (value === undefined ||
        typeof value === 'function' ||
        typeof value === 'symbol');
}
function toComparableJsonValue(value, ancestors) {
    if (value === null ||
        typeof value === 'string' ||
        typeof value === 'boolean') {
        return value;
    }
    if (typeof value === 'number') {
        return Number.isFinite(value) ? value : NOT_COMPARABLE;
    }
    if (typeof value !== 'object') {
        return NOT_COMPARABLE;
    }
    if (ancestors.has(value)) {
        return NOT_COMPARABLE;
    }
    const isArray = detectArray(value);
    if (isArray === undefined) {
        return NOT_COMPARABLE;
    }
    ancestors.add(value);
    try {
        if (isArray) {
            const length = readArrayLength(value);
            if (length === undefined) {
                return NOT_COMPARABLE;
            }
            const comparable = [];
            for (let index = 0; index < length; index += 1) {
                const element = readOwnDataProperty(value, index);
                if (!element) {
                    return NOT_COMPARABLE;
                }
                if (!element.found || isOmittedJsonObjectValue(element.value)) {
                    comparable.push(null);
                    continue;
                }
                const comparableElement = toComparableJsonValue(element.value, ancestors);
                if (comparableElement === NOT_COMPARABLE) {
                    return NOT_COMPARABLE;
                }
                comparable.push(comparableElement);
            }
            return comparable;
        }
        let descriptors;
        try {
            descriptors = Object.getOwnPropertyDescriptors(value);
        }
        catch (_error) {
            return NOT_COMPARABLE;
        }
        const comparable = Object.create(null);
        for (const key of Object.keys(descriptors).sort()) {
            const descriptor = descriptors[key];
            if (!descriptor.enumerable) {
                continue;
            }
            if (!('value' in descriptor)) {
                return NOT_COMPARABLE;
            }
            if (isOmittedJsonObjectValue(descriptor.value)) {
                continue;
            }
            const comparableProperty = toComparableJsonValue(descriptor.value, ancestors);
            if (comparableProperty === NOT_COMPARABLE) {
                return NOT_COMPARABLE;
            }
            comparable[key] = comparableProperty;
        }
        return comparable;
    }
    finally {
        ancestors.delete(value);
    }
}
function stringifyComparableJsonValue(value) {
    if (value === null) {
        return 'null';
    }
    if (typeof value === 'string') {
        return JSON.stringify(value);
    }
    if (typeof value === 'number' || typeof value === 'boolean') {
        return String(value);
    }
    if (Array.isArray(value)) {
        return `[${value.map(stringifyComparableJsonValue).join(',')}]`;
    }
    return `{${Object.keys(value)
        .map((key) => `${JSON.stringify(key)}:${stringifyComparableJsonValue(value[key])}`)
        .join(',')}}`;
}
function getOutputTypeFingerprint(outputType) {
    const comparableOutputType = getComparableOutputType(outputType);
    if (comparableOutputType === undefined) {
        return undefined;
    }
    const comparableJsonValue = toComparableJsonValue(comparableOutputType, new Set());
    if (comparableJsonValue === NOT_COMPARABLE) {
        return undefined;
    }
    return stringifyComparableJsonValue(comparableJsonValue);
}
/**
 * Returns true only when different output types can be established from canonical snapshots that
 * do not invoke schema accessors or serialization hooks.
 *
 * @internal
 */
function hasDefinitelyDifferentOutputTypes(outputTypes) {
    if (outputTypes.length < 2) {
        return false;
    }
    const outputTypeFingerprints = outputTypes.map(getOutputTypeFingerprint);
    for (let leftIndex = 0; leftIndex < outputTypes.length - 1; leftIndex += 1) {
        for (let rightIndex = leftIndex + 1; rightIndex < outputTypes.length; rightIndex += 1) {
            const leftOutputType = outputTypes[leftIndex];
            const rightOutputType = outputTypes[rightIndex];
            if (Object.is(leftOutputType, rightOutputType)) {
                continue;
            }
            if (isPrimitiveOutputType(leftOutputType) ||
                isPrimitiveOutputType(rightOutputType)) {
                return true;
            }
            const leftFingerprint = outputTypeFingerprints[leftIndex];
            const rightFingerprint = outputTypeFingerprints[rightIndex];
            if (leftFingerprint !== undefined &&
                rightFingerprint !== undefined &&
                leftFingerprint !== rightFingerprint) {
                return true;
            }
        }
    }
    return false;
}
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