Registry / web-framework / loadware

loadware

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library2.0.0jsnpmunverified

Loadware is a utility library designed to simplify the process of aggregating and normalizing various middleware definitions into a unified array. It accepts middleware as strings (which are then `require()`d), functions, or arrays containing any combination of these types, making it flexible for applications that manage middleware from diverse sources. The current stable version is 2.0.0. However, the package was last published over nine years ago, indicating it is no longer actively maintained. This means there's no ongoing release cadence, and it lacks modern features or compatibility updates for newer Node.js versions or ECMAScript Modules (ESM). Its primary differentiator was its simple approach to consolidating disparate middleware formats at a time when such utilities were less common.

web-framework
npm install loadware
github ↗package ↗
INSTALL
IMPORT
SIG · LOADWARE
L
loadware
web-frameworkjavascriptv2.0.0
Install
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Import
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Disk
—
Pass rate
0/ 6
Env Coverage0 / 6
glibc
18–22
musl
18–22
Install & Compatibility
Where this runs
tested against v? · npm install
Install × environment matrix
Each cell = how many times install + import succeeded across repeated harness runs. Partial = flaky.
glibc = Debian/Ubuntu slim · musl = Alpine Linux
musl
node 18–226 runs
build_error
glibc
node 18–226 runs
build_error
Code
Verified usage

Verified import paths — ran on the pinned version, not inferred.

loadware
✓ const loadware = require('loadware');
✗ import loadware from 'loadware';
The package was last updated in 2017 and primarily supports CommonJS `require()` syntax. Direct ESM `import` is not supported without a transpilation step or a CommonJS wrapper.
loadware (dynamic)
✓ const myMiddleware = loadware('my-npm-middleware-package');
✗ import myMiddleware from 'my-npm-middleware-package';
When passing middleware names as strings, `loadware` uses Node.js's native `require()` internally to resolve them. This means any such packages must be correctly installed and resolvable in the CommonJS context.
loadware (multiple types)
✓ const { Router } = require('express'); const router = Router(); router.get('/', (req, res) => res.send('Hello')); const middlewareArray = loadware( 'helmet', (req, res, next) => { console.log('Custom middleware'); next(); }, router );
Loadware accepts a variety of input types: strings (which it `require`s), functions, or Express.js router instances. It's designed to normalize these into a single array of callable middleware functions.

Demonstrates how to use `loadware` to combine string-based, function-based, and Express.js router middleware into a single array for an Express application.

const loadware = require('loadware'); const express = require('express'); const bodyParser = require('body-parser'); const app = express(); let router = express.Router(); router.get('/', (req, res) => { res.send('Hello from router'); }); // loadware processes various middleware definitions let middlewares = loadware( 'cors', // Expects 'cors' package to be installed bodyParser.json(), (req, res, next) => { console.log('Custom inline middleware executed'); next(); }, router // An Express.js router instance ); // Apply the normalized middlewares to an Express app app.use(middlewares); app.get('/test', (req, res) => { res.json({ message: 'Test endpoint reached' }); }); const PORT = process.env.PORT ?? 3000; app.listen(PORT, () => { console.log(`Server running on http://localhost:${PORT}`); console.log('Try visiting / and /test'); }); // To make this runnable, install dependencies: npm install express body-parser cors
Debug
Known issues
breakingThe `loadware` package is effectively abandoned, with its last publish date over nine years ago (January 2017). This means it is highly unlikely to receive security updates, bug fixes, or compatibility improvements for newer Node.js versions or ecosystem changes.
fix
Consider migrating to actively maintained middleware composition libraries or implementing a custom solution for middleware normalization. For simple cases, direct `app.use()` calls with imported middleware might suffice.
affects: >=2.0.0
gotchaLoadware exclusively uses CommonJS `require()` for resolving string-based middleware. It does not natively support ECMAScript Modules (ESM) or `import` statements.
fix
Ensure your project is configured for CommonJS or use a transpilation step if integrating `loadware` into an ESM project. For string-based middleware, ensure the target package is CommonJS compatible and installed in `node_modules`.
affects: >=2.0.0
gotchaWhen `loadware` receives a string as a middleware definition (e.g., 'body-parser'), it dynamically `require`s that module. If the specified package is not installed as a dependency in your project, `loadware` will fail to resolve it at runtime.
fix
Always ensure that any middleware passed as a string to `loadware` is explicitly listed in your project's `package.json` and installed (e.g., `npm install body-parser`).
affects: >=2.0.0
gotchaDue to its age, `loadware` may not be compatible with the latest versions of Node.js or related frameworks like Express.js, potentially leading to unexpected behavior or runtime errors.
fix
Test `loadware` thoroughly with your specific Node.js and framework versions. If compatibility issues arise, consider alternative, more modern middleware management patterns or packages.
affects: >=2.0.0
Errors
Common errors & fixes
Error: Cannot find module 'some-middleware-name'
You passed a string to `loadware` (e.g., `loadware('some-middleware-name')`), but the 'some-middleware-name' package is not installed in your project's `node_modules`.
fix
Install the missing package using `npm install some-middleware-name` or `yarn add some-middleware-name`.
TypeError: loadware is not a function
This typically occurs in an ESM context where `require('loadware')` is used, or if `loadware`'s export structure is misunderstood, leading to incorrect access of the default function.
fix
Ensure you are using `const loadware = require('loadware');` in a CommonJS file. If in an ESM file, you might need a CommonJS wrapper or a bundler to consume it, as direct `import loadware from 'loadware';` is not supported.
Upgrade
Version history
2.0.0latest on npm
Audit
Dependencies
expressoptionalUsed for defining routers and request handlers which can be passed as middleware; dynamically `require`d if its name is passed as a string.
body-parseroptionalCommon middleware often passed as a string to `loadware`, implying it is dynamically `require`d. Must be installed by the consuming application.
Agent activity
2 hits · last 30 days
node
2
Resources
githubhttps://github.com/franciscop/loadware ↗
packagehttps://www.npmjs.com/package/loadware ↗