wrapEndpoint()

in knative-build/runtimes/javascript/platform/platform.js [131:162]

• 13 lines of code
• 2 McCabe index (conditional complexity)

    wrapEndpoint(ep) {
        DEBUG.functionStart("wrapping: " + ep.name);
        DEBUG.functionEnd("returning wrapper: " + ep.name);
        return function (req, res) {
            try {
                ep(req).then(function (result) {
                    res.status(result.code).json(result.response);
                    DEBUG.dumpObject(result,"result");
                    DEBUG.dumpObject(res,"response");
                    DEBUG.functionEndSuccess("wrapper for: " + ep.name);
                }).catch(function (error) {
                    if (typeof error.code === "number" && typeof error.response !== "undefined") {
                        res.status(error.code).json(error.response);
                    } else {
                        console.error("[wrapEndpoint]", "invalid errored promise", JSON.stringify(error));
                        res.status(500).json({ error: "Internal error." });
                    }
                    DEBUG.dumpObject(error,"error");
                    DEBUG.dumpObject(res,"response");
                    DEBUG.functionEndError(error, "wrapper for: " + ep.name);
                });
            } catch (e) {
                // This should not happen, as the contract for the endpoints is to
                // never (externally) throw, and wrap failures in the promise instead,
                // but, as they say, better safe than sorry.
                console.error("[wrapEndpoint]", "exception caught", e.message);
                res.status(500).json({ error: "Internal error (exception)." });
                DEBUG.dumpObject(error,"error");
                DEBUG.functionEndError(error, ep.name);
            }
        }
    }