@dwp/govuk-casa/dist/middleware/validate-fields.js

A framework for building GOVUK Collect-And-Submit-Applications

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
// Validate the data captured in the journey context
const JourneyContext_js_1 = __importDefault(require("../lib/JourneyContext.js"));
const constants_js_1 = require("../lib/constants.js");
const updateContext = ({ waypoint, errors = null, journeyContext, session, }) => {
    // Set validation state
    if (errors === null) {
        journeyContext.clearValidationErrorsForPage(waypoint);
    }
    else {
        journeyContext.setValidationErrorsForPage(waypoint, errors);
    }
    // Save to session
    JourneyContext_js_1.default.putContext(session, journeyContext, {
        userInfo: {
            casaRequestPhase: constants_js_1.REQUEST_PHASE_VALIDATE,
        },
    });
};
exports.default = ({ waypoint, fields = [], plan }) => [
    (req, res, next) => {
        const mountUrl = `${req.baseUrl}/`;
        // Run validators for every field to build up a complete list of errors
        // currently associated with this waypoint.
        let errors = [];
        for (let i = 0, l = fields.length; i < l; i++) {
            /* eslint-disable security/detect-object-injection */
            // Dynamic object keys are only used on known entities (fields, waypoint)
            const field = fields[i];
            const fieldName = field.name;
            const fieldValue = req.casa.journeyContext.data?.[waypoint]?.[fieldName];
            // (type = ValidateContext)
            const context = {
                fieldName,
                fieldValue,
                waypoint,
                journeyContext: req.casa.journeyContext,
            };
            /* eslint-enable security/detect-object-injection */
            errors = [...errors, ...field.runValidators(context)];
        }
        // Validation passed with no errors
        if (!errors.length) {
            updateContext({
                waypoint,
                session: req.session,
                mountUrl,
                plan,
                journeyContext: req.casa.journeyContext,
            });
            return next();
        }
        // If there are any native errors in the list, we need to bail the request
        const nativeError = errors.find((e) => e instanceof Error);
        if (nativeError) {
            return next(nativeError);
        }
        // Make the errors available to downstream middleware
        updateContext({
            errors,
            waypoint,
            session: req.session,
            mountUrl,
            plan,
            journeyContext: req.casa.journeyContext,
        });
        return next();
    },
];
//# sourceMappingURL=validate-fields.js.map