express-service-handler
v3.0.0
Published
A simple reusable function to handle responses from Express.JS services
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express-service-handler
About this package
This is a simple utility function for handling responses in a specific format from Express services.
Usage
- Install using "npm i express-service-handler".
- Import the module into your code:
import { handleServiceResponse } from "express-service-handler";
- Use the function to handle your service response:
import express from "express";
import { handleServiceResponse } from "express-service-handler";
const app = express();
app.get("/api/data", (req, res) => {
// Assume getDataFromService is a function that fetches data from a service
// and returns an object with the following structure:
// { ok: boolean, status: number, reason: string, data: any }
const result = getDataFromService();
// Use handleServiceResponse to send the response
handleServiceResponse({ res, result });
});
app.listen(3000, () => {
console.log("Server is running on port 3000");
});
Parameters
The handleServiceResponse
function takes an object with the following parameters:
res
: The response object from the Express.js route handler. This is used to send the response to the client.result
: An object containing the result of the service operation. This object should have the following properties:ok
: A boolean indicating whether the operation was successful.status
: (Optional) A number representing the HTTP status code. If not provided, defaults to 200 for successful operations and 400 for unsuccessful ones.reason
: (Optional) A string providing more details in case of an unsuccessful operation.data
: (Optional) The data resulting from the operation, if any.
sendResponse
: (Optional) A boolean indicating whether to send the response immediately. If set to false, the function will return the result object without sending the response. Defaults to true.
Version Notes
- Added handling of HTTP responses from remote services accessed via an Express API route
Possible breaking changes in v2.0.0
- The function is now async; review how you're using it and adjust accordingly.
License
Copyright Sean Patrick Wallace 2024
This package is free software. Please see LICENSE.md for further details.