function preProcessRequest()

in knative-build/runtimes/javascript/platform/knative.js [331:371]

• 27 lines of code
• 9 McCabe index (conditional complexity)

function preProcessRequest(req){
    DEBUG.functionStart();
    try {
        let env = process.env || {};

        // Get or create valid references to the various data we might encounter
        // in a request such as Init., Activation and function parameter data.
        let body = req.body || {};
        let valueData = body.value || {};
        let initData = body.init || {};
        let activationData = body.activation || {};

        // process initialization (i.e., "init") data
        if (hasInitData(req)) {
            preProcessInitData(initData, valueData, activationData);
        }

        marshalResources(initData, valueData);

        if(hasActivationData(req)) {
            // process HTTP request header and body to make it available to function as parameter data
            preProcessHTTPContext(req, valueData);

            // process per-activation (i.e, "run") data
            preProcessActivationData(env, activationData);
        }

        // Fix up pointers in case we had to allocate new maps
        req.body = body;
        req.body.value = valueData;
        req.body.init = initData;
        req.body.activation = activationData;

    } catch(e){
        console.error(e);
        DEBUG.functionEndError(e.message);
        // TODO: test this error is handled properly and results in an HTTP error response
        throw("Unable to process request data: " + e.message);
    }
    DEBUG.functionEnd();
}