Client.ts

/**
 * This file was auto-generated by Fern from our API Definition.
 */

import * as environments from "../../../../environments";
import * as core from "../../../../core";
import * as Letta from "../../../index";
import urlJoin from "url-join";
import * as serializers from "../../../../serialization/index";
import * as errors from "../../../../errors/index";

export declare namespace Health {
    export interface Options {
        environment?: core.Supplier<environments.LettaEnvironment | string>;
        /** Specify a custom URL to connect the client to. */
        baseUrl?: core.Supplier<string>;
        token?: core.Supplier<string | undefined>;
        fetcher?: core.FetchFunction;
    }

    export interface RequestOptions {
        /** The maximum time to wait for a response in seconds. */
        timeoutInSeconds?: number;
        /** The number of times to retry the request. Defaults to 2. */
        maxRetries?: number;
        /** A hook to abort the request. */
        abortSignal?: AbortSignal;
        /** Additional headers to include in the request. */
        headers?: Record<string, string>;
    }
}

export class Health {
    constructor(protected readonly _options: Health.Options = {}) {}

    /**
     * @param {Health.RequestOptions} requestOptions - Request-specific configuration.
     *
     * @example
     *     await client.health.check()
     */
    public async check(requestOptions?: Health.RequestOptions): Promise<Letta.Health> {
        const _response = await (this._options.fetcher ?? core.fetcher)({
            url: urlJoin(
                (await core.Supplier.get(this._options.baseUrl)) ??
                    (await core.Supplier.get(this._options.environment)) ??
                    environments.LettaEnvironment.LettaCloud,
                "v1/health/",
            ),
            method: "GET",
            headers: {
                "X-Fern-Language": "JavaScript",
                "X-Fern-SDK-Name": "@letta-ai/letta-client",
                "X-Fern-SDK-Version": "0.1.18",
                "User-Agent": "@letta-ai/letta-client/0.1.18",
                "X-Fern-Runtime": core.RUNTIME.type,
                "X-Fern-Runtime-Version": core.RUNTIME.version,
                ...(await this._getCustomAuthorizationHeaders()),
                ...requestOptions?.headers,
            },
            contentType: "application/json",
            requestType: "json",
            timeoutMs: requestOptions?.timeoutInSeconds != null ? requestOptions.timeoutInSeconds * 1000 : 60000,
            maxRetries: requestOptions?.maxRetries,
            abortSignal: requestOptions?.abortSignal,
        });
        if (_response.ok) {
            return serializers.Health.parseOrThrow(_response.body, {
                unrecognizedObjectKeys: "passthrough",
                allowUnrecognizedUnionMembers: true,
                allowUnrecognizedEnumValues: true,
                skipValidation: true,
                breadcrumbsPrefix: ["response"],
            });
        }

        if (_response.error.reason === "status-code") {
            throw new errors.LettaError({
                statusCode: _response.error.statusCode,
                body: _response.error.body,
            });
        }

        switch (_response.error.reason) {
            case "non-json":
                throw new errors.LettaError({
                    statusCode: _response.error.statusCode,
                    body: _response.error.rawBody,
                });
            case "timeout":
                throw new errors.LettaTimeoutError("Timeout exceeded when calling GET /v1/health/.");
            case "unknown":
                throw new errors.LettaError({
                    message: _response.error.errorMessage,
                });
        }
    }

    protected async _getCustomAuthorizationHeaders() {
        const tokenValue = await core.Supplier.get(this._options.token);
        return { Authorization: `Bearer ${tokenValue}` };
    }
}