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Author SHA1 Message Date
Pranav Yadav 8a49754cda Refactor: JS substr() is deprecated, using slice() instead (#37136) 
Summary:
Fixes: https://github.com/facebook/react-native/issues/37135

- `substr()` is not part of the core JS since ~2018
- No wonder why no one noticed this :)
- Though its supported by modern browsers, its deprecated
- Reference: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/substr

### Why `slice()` and not `substring()`?
> Beacuse I like pizza ;) jk

The reason, that I'm not using the most obvious alternative `substring()` is;
- It _swaps the args_ passed, when; `startIndex > endIndex` —which I think is not a property of _good_ fn
  and also does not reflects the same in it's name.
- It _doesn't support negative args_, which I think reduces flexibility to work with it.
- It could lead to more bugs in most of the cases.

### Refecrences:
- Ref: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/substring#differences_between_substring_and_slice
- Ref. for `slice()`: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/slice
- Ref. for `substring()`: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/substring

## Changelog:

[GENERAL][FIXED] - Refactor: `substr()` is deprecated, using `slice()` instead across RN codebase

Pull Request resolved: https://github.com/facebook/react-native/pull/37136

Test Plan: - `yarn lint && yarn flow && yarn test-ci` --> _should be green_

Reviewed By: christophpurrer

Differential Revision: D45477910

Pulled By: jacdebug

fbshipit-source-id: 96a80893477599b9a549918924157627b9b0c3f4
 2023-05-02 11:28:56 -07:00
Andres Suarez 8bd3edec88 Update copyright headers from Facebook to Meta 
Reviewed By: aaronabramov

Differential Revision: D33367752

fbshipit-source-id: 4ce94d184485e5ee0a62cf67ad2d3ba16e285c8f
 2021-12-30 15:11:21 -08:00
Tim Yung 10f9ab4d69 RN: Follow-up Format w/ Prettier v2.x 
Summary:
When I upgraded React Native to Prettier v2.x, I removed `format` from a few files to reduce the number of changes.

This is a follow-up to bring back `format` and fix any remaining issues.

Changelog:
[Internal]

Reviewed By: zertosh

Differential Revision: D32287259

fbshipit-source-id: 37ea6d2c973b1db5d37c46d73675bdf436fb9a9d
 2021-11-09 13:16:43 -08:00
Tim Yung fba1ae1643 RN: Temporarily Disable Prettier for Some Files 
Summary:
We are in the middle of a Prettier upgrade and some of the files which disagree between Prettier v1.x and v2.x are now being flagged by `eslint-plugin-prettier` as lint errors.

The correct fix here is probably to update `eslint-config-prettier` and `eslint-plugin-prettier`, but I am landing this first to unbreak CI.

Reviewed By: mendoncakeegan

Differential Revision: D32129458

fbshipit-source-id: a5206a5ef58f1d7614f9459c99b9e39109be6de9
 2021-11-02 23:09:38 -07:00
Christoph Nakazawa a77f2c40d1 Create @react-native/polyfills package. 
Summary: Changelog: [Internal]

Reviewed By: GijsWeterings

Differential Revision: D22625944

fbshipit-source-id: 1d97550c92115eb637da57e8f38c28e8139f3a8b
 2020-07-22 03:02:45 -07:00