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@babel/polyfill vs core-js: What are the differences?
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Key Difference 1: Module Bundler Compatibility
- @babel/polyfill: It is compatible with all module bundlers and can be directly imported into the code.
- core-js: It requires additional configuration when used with module bundlers like Webpack, as it needs to be included in the polyfills section of the configuration file.
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Key Difference 2: Polyfilling Global Objects
- @babel/polyfill: It polyfills global objects such as Promise, Set, and Map by modifying the global environment.
- core-js: It provides modular APIs to polyfill global objects, allowing more flexibility in polyfilling only specific features.
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Key Difference 3: Targeted Polyfills
- @babel/polyfill: It includes all polyfills regardless of the target browser, resulting in a larger bundle size.
- core-js: It allows the selection of specific polyfills based on the target environment, resulting in a smaller bundle size.
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Key Difference 4: Customization Options
- @babel/polyfill: It does not offer explicit customization options and provides a pre-determined set of polyfills.
- core-js: It offers more customization options, allowing developers to choose specific polyfills or configure polyfill usage based on different criteria.
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Key Difference 5: Browser Compatibility
- @babel/polyfill: It ensures broader browser compatibility by including necessary polyfills for older browsers.
- core-js: It provides a more modular approach, allowing developers to target specific browsers and include only necessary polyfills.
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Key Difference 6: Maintenance and Updates
- @babel/polyfill: It is no longer actively maintained and is recommended to use core-js for future projects.
- core-js: It is actively maintained and regularly updated, providing bug fixes, performance improvements, and new features.
In summary, @babel/polyfill and core-js differ in their module bundler compatibility, polyfilling approach, target customization options, bundle size impact, browser compatibility, and maintenance status.
@babel/polyfill Stats
- Dependent Packages Counts - 8K
core-js Stats
- Dependent Packages Counts - 26.7K
@babel/polyfill Release info
Latest version
7.22.9
MIT
core-js Release info
Latest version
3.37.1
MIT
What is @babel/polyfill?
Provides polyfills necessary for a full ES2015+ environment.
What is core-js?
Standard library.
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