@langchain/core/dist/utils/gateway.js

Core LangChain.js abstractions and schemas

import { __exportAll } from "../_virtual/_rolldown/runtime.js";
import { getEnvironmentVariable } from "./env.js";
//#region src/utils/gateway.ts
var gateway_exports = /* @__PURE__ */ __exportAll({
	DEFAULT_LANGSMITH_GATEWAY: () => DEFAULT_LANGSMITH_GATEWAY,
	resolveLangSmithGatewayConfig: () => resolveLangSmithGatewayConfig
});
const LANGSMITH_GATEWAY = "LANGSMITH_GATEWAY";
const LANGSMITH_GATEWAY_API_KEY = "LANGSMITH_GATEWAY_API_KEY";
const LANGSMITH_API_KEY = "LANGSMITH_API_KEY";
const DEFAULT_LANGSMITH_GATEWAY = "https://gateway.smith.langchain.com";
const TRUE_VALUES = [
	"true",
	"1",
	"yes"
];
const FALSE_VALUES = [
	"false",
	"0",
	"no"
];
function resolveLangSmithGatewayBaseURL(providerPath) {
	const value = getEnvironmentVariable(LANGSMITH_GATEWAY);
	if (!value || FALSE_VALUES.includes(value.toLowerCase())) return;
	return `${TRUE_VALUES.includes(value.toLowerCase()) ? DEFAULT_LANGSMITH_GATEWAY : value.replace(/\/+$/, "")}/${providerPath}`;
}
function resolveLangSmithGatewayConfig({ baseURL, providerPath }) {
	if (baseURL !== void 0) return { baseURL };
	const gatewayBaseURL = resolveLangSmithGatewayBaseURL(providerPath);
	if (gatewayBaseURL === void 0) return {};
	return {
		baseURL: gatewayBaseURL,
		apiKey: getEnvironmentVariable(LANGSMITH_GATEWAY_API_KEY) || getEnvironmentVariable(LANGSMITH_API_KEY)
	};
}
//#endregion
export { DEFAULT_LANGSMITH_GATEWAY, gateway_exports, resolveLangSmithGatewayConfig };

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