Ware is a lightweight JavaScript library designed to easily create and manage a middleware layer for applications. It provides a simple API for composing synchronous, asynchronous, and generator functions into a sequential processing pipeline. The package's current stable version is 1.3.0, released in May 2015. Due to its age, development is no longer active, and the library is considered abandoned. It predates modern `async/await` syntax, relying instead on Node.js's older generator-based asynchronous patterns and explicit `next()` calls for flow control. Its primary differentiator was its simplicity and ability to handle various function types for request/response processing, similar to frameworks like Express but without the opinionated structure, allowing for flexible custom middleware stacks.
npm install wareVerified import paths — ran on the pinned version, not inferred.
This example demonstrates chaining synchronous and asynchronous middleware functions, showing execution flow and context modification.
For new projects, consider modern middleware solutions that natively support `async/await` or robust Promise-based composition. If using `ware`, wrap `async/await` logic in explicit Promises or use callback-style asynchronous functions.
Always ensure that each middleware function either calls `next()` (for synchronous or callback-based asynchronous functions) or returns a Promise that resolves (for Promise-based asynchronous functions) to allow the chain to continue.
In an ES Modules environment, you must use `const ware = require('ware')` after installing a CommonJS interop loader or configure your bundler to handle CommonJS modules.Change the import statement to `const ware = require('ware');` as it is a CommonJS module.Review the problematic middleware function to ensure `next()` is called exactly once. This often happens in conditional logic or error handling where `next()` might be called in multiple branches.
Inspect the last executing middleware function. Ensure that `next()` is called for synchronous operations, or that a Promise is returned and resolved for asynchronous operations.
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