2b1fb91a55
Hermes parser is the preferred parser for Flow code going forward. We need to upgrade to this parser to support new Flow syntax like function `this` context type annotations or `ObjectType['prop']` syntax. Unfortunately, there's quite a few upgrades here to make it work somehow (dependencies between the changes) - ~Upgrade `eslint` to `8.*`~ reverted this as the React eslint plugin tests depend on the older version and there's a [yarn bug](https://github.com/yarnpkg/yarn/issues/6285) that prevents `devDependencies` and `peerDependencies` to different versions. - Remove `eslint-config-fbjs` preset dependency and inline the rules, imho this makes it a lot clearer what the rules are. - Remove the turned off `jsx-a11y/*` rules and it's dependency instead of inlining those from the `fbjs` config. - Update parser and dependency from `babel-eslint` to `hermes-eslint`. - `ft-flow/no-unused-expressions` rule replaces `no-unused-expressions` which now allows standalone type asserts, e.g. `(foo: number);` - Bunch of globals added to the eslint config - Disabled `no-redeclare`, seems like the eslint upgrade started making this more precise and warn against re-defined globals like `__EXPERIMENTAL__` (in rollup scripts) or `fetch` (when importing fetch from node-fetch). - Minor lint fixes like duplicate keys in objects. |
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| .. | ||
| config | ||
| createFlowConfigs.js | ||
| environment.js | ||
| react-devtools.js | ||
| react-native-host-hooks.js | ||
| react-relay-hooks.js | ||
| runFlow.js | ||
| xplat.js | ||