fonteva-design-guide/force-app/main/default/lwc/pfmCoreData/pfmCoreData.js

## Dev, Build and Test

import { publishEvent } from 'c/pubsub';
var serviceCallPromise = {};

const getValue = (functionCall, args, forceCall) => {
    let trace = Error().stack;
    return new Promise((resolve, reject) => {
        const customError = args.customError;
        delete args.customError;
        let cacheString = functionCall.toString() + JSON.stringify(args);
        if (serviceCallPromise[cacheString] == null || forceCall) {
            serviceCallPromise[cacheString] = functionCall(args)
                .then(result => {
                    const error = isSyslogError(result, args, trace, customError);
                    if (error) {
                        reject(error);
                    } else {
                        resolve(result);
                        return result;
                    }
                })
                .catch(error => {
                    reject(error);
                });
        } else {
            serviceCallPromise[cacheString].then(result => {
                resolve(result);
                return result;
            });
        }
    });
};

const isSyslogError = (result, params, trace, customError) => {
    if (result != null && result.sysLog != null) {
        if (customError) {
            result.sysLog.cleanMessage = result.sysLog.exMessage.replace(/\(Class\..*$/, '');
            return result;
        }
        let debug = sessionStorage.getItem('fon.log');
        let verbose = debug === 'debug';
        if (verbose) {
            console.groupCollapsed('stack trace');
            console.log(trace);
            console.groupEnd();

            console.groupCollapsed('action parameters');
            console.log(JSON.stringify(params, null, '  '));
            console.groupEnd();

            console.groupCollapsed('return value');
            console.log(JSON.stringify(result, null, '  '));
            console.groupEnd();
        }

        publishEvent('toast', {
            message: result.message,
            variant: 'error'
        });

        return result.message;
    }

    return false;
};

export { getValue };