Refactor webpack-dev-server middleware application logic #5149
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This commit refactors the middleware application logic in the webpack-dev-server codebase to ensure that middleware is applied only once, regardless of how many times it's called. Previously, certain middleware, such as static serving middleware, was being applied multiple times to support features like `historyApiFallback`. This refactor eliminates duplicate middleware application by introducing a mechanism to track applied middleware and applying each middleware only once. Changes: - Introduced `appliedMiddleware` array to track applied middleware. - Created `applyMiddlewareOnce` function to apply middleware only if it hasn't been applied before. - Updated webpack-dev-server codebase to utilize `applyMiddlewareOnce` for applying middleware associated with various features. This update aims to improve code efficiency and prevent unintended behavior or performance issues caused by duplicate middleware application. Fixes: webpack#2716
Swapnilden
requested review from
alexander-akait,
hiroppy,
snitin315 and
anshumanv
as code owners
alexander-akait
requested changes
Apr 11, 2024
lib/Server.js
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| applyMiddlewareOnce.call(this, proxyMiddleware); | ||
| } | ||
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| if (this.options.contentBase !== false) { |
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We don't have contentBase anymore
In this updated version, I have included test cases to ensure that the applyMiddlewareOnce function behaves as expected. Additionally, I have removed references to contentBase, as requested.
Swapnilden
commented
Apr 11, 2024
lib/Server.js
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| expect(app.use).toHaveBeenCalledWith(middlewareFunction1); | ||
| expect(app.use).toHaveBeenCalledWith(middlewareFunction2); | ||
| }); | ||
| }); |
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We should not store it here
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So please suggest for proceedings
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We have the test directory
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can you suggest me file name , it can be big help
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open-option.test.js or proxy-option.test.js
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This commit refactors the middleware application logic in the webpack-dev-server codebase to ensure that middleware is applied only once, regardless of how many times it's called.
Previously, certain middleware, such as static serving middleware, was being applied multiple times to support features like
historyApiFallback. This refactor eliminates duplicate middleware application by introducing a mechanism to track applied middleware and applying each middleware only once.Changes:
appliedMiddlewarearray to track applied middleware.applyMiddlewareOncefunction to apply middleware only if it hasn't been applied before.applyMiddlewareOncefor applying middleware associated with various features.This update aims to improve code efficiency and prevent unintended behavior or performance issues caused by duplicate middleware application.
Fixes: #2716
For Bugs and Features; did you add new tests?
Motivation / Use-Case
Breaking Changes
Additional Info