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51 lines
2.2 KiB
Markdown
51 lines
2.2 KiB
Markdown
# Compatibility with Lodash
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```tsx
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// es-toolkit/compat aims to provide 100% feature parity with lodash
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import { chunk } from 'es-toolkit/compat';
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chunk([1, 2, 3, 4], 0);
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// Returns [], which is identical to lodash
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```
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For maximum compatibility with `lodash`, use `es-toolkit/compat`, a compatibility layer that bridges the gap between the two libraries.
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This module is designed to provide an identical API to `lodash`, making it easier to switch between the two libraries.
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`es-toolkit/compat` has been thoroughly tested with real test cases from `lodash`.
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It's important to note that `es-toolkit/compat` may have a slight performance impact and a larger bundle size compared to the original `es-toolkit`. This module is designed to facilitate a smooth transition and should be replaced with the original `es-toolkit` for optimal performance once the migration is complete.
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## Design Principles
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::: info
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Design principles are subject to change.
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:::
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Our compatibility layer aims to achieve feature parity with 100% accuracy for:
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- Features that are written as a test case in lodash.
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- Features that can be inferred from types of `@types/lodash` or `@types/lodash-es`.
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However, the following are out of scope for `es-toolkit/compat`:
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- Implicit type conversions, such as converting an empty string to zero or false.
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- Functions that have specialized implementations for specific types of arrays, like [sortedUniq](https://lodash.com/docs/4.17.15#sortedUniq).
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- Handling cases where internal object prototypes, like `Array.prototype`, have been modified.
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- Managing cases with JavaScript realms.
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- Method chaining support through "Seq" methods.
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## Implementation Status
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::: info
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The following emojis indicate the status of each feature:
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- ✅: Completed (The function is fully implemented and has passed all tests with lodash test code.)
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- 📝: In Review (The function is implemented but hasn't been tested with lodash test code yet.)
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- ❌: Not Implemented (The function hasn't been implemented.)
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Even if a feature is marked "in review," it might already be under review to ensure it matches lodash perfectly, and it could already offer the same functionality.
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:::
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<CompatibilityStatus lang="en"/>
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