SurviveJS - Webpack by unknow

Author:unknow
Language: eng
Format: azw3, mobi, epub
Publisher: leanpub.com
Published: 2016-04-02T00:00:00+00:00

Scope Hoisting

Since webpack 4, it applies scope hoisting in production mode by default. It hoists all modules to a single scope instead of writing a separate closure for each. Doing this slows down the build but gives you bundles that are faster to execute. Read more about scope hoisting at the webpack blog.

Pass --display-optimization-bailout flag to webpack to gain debugging information related to hoisting results.

Pre-evaluation

prepack-webpack-plugin uses Prepack, a partial JavaScript evaluator. It rewrites computations that can be done compile-time and therefore speeds up code execution. See also val-loader and babel-plugin-preval for alternative solutions.

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