Grunt vs Parcel: What are the differences?

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1. Bundle Size: One key difference between Grunt and Parcel is in how they handle bundle size. Grunt tends to produce larger bundles compared to Parcel due to its less efficient bundling process.

2. Configuration: Grunt requires manual configuration through a Gruntfile, where explicit tasks need to be defined, while Parcel has zero configuration by default, making it easier to set up and use.

3. Speed: Parcel is known for its quick build times as it utilizes a multi-core processing system, resulting in faster compilation times compared to Grunt, which may feel slower due to its single-core processing approach.

4. Built-in Features: Grunt relies heavily on plugins for various tasks such as minification, linting, etc., whereas Parcel comes with most of these features built-in, reducing the need for additional plugins.

5. Tree-shaking: Parcel excels in tree-shaking, a process that eliminates unused code from the final bundle, resulting in smaller file sizes and improved loading times, while Grunt may struggle with this optimization technique.

6. Dependency Management: Grunt does not manage dependencies automatically, requiring manual installation and configuration, while Parcel handles dependencies seamlessly without the need for additional setup or intervention.

In Summary, Grunt and Parcel differ in bundle size, configuration ease, speed, built-in features, tree-shaking capabilities, and dependency management.