Webpack 5 Up and Running by Tom Owens

Author:Tom Owens
Language: eng
Format: mobi, epub
Tags: COM056000 - COMPUTERS / Utilities, COM060180 - COMPUTERS / Web / Web Services and APIs, COM060130 - COMPUTERS / Web / Design
Publisher: Packt
Published: 2020-05-27T14:43:55+00:00

If the Webpack function is not provided with a callback, it will return a compiler instance. The compiler instance can manually trigger the webpack() function or ensure that it watches for changes (using .run(callback) or .watch(watchOptions, handler)) during a build, or even runs the build itself without the need for the CLI.

The compiler instance permits the use of child compilers and will delegate all the bundling, writing, and loading work to registered plugins.

There is something called a hook property, which is part of the compiler instance. Its purpose is to register any plugin to any hook event during a compiler's life cycle. You can configure this compiler with the WebpackOptionsDefaulter and WebpackOptions Apply utilities.

Upon completion of a build run, the previously mentioned callback function will be executed. The final logging of any errors or statistics are done with this function.

The Node.js API will only support a single compilation once. Concurrent watches or builds can corrupt the output bundle.

Using the API to call a run is similar to using the compiler instance.

We should now run a compilation using webpack.config.js:

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