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Update Flow instructions (#567)

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Dan Abramov
2016-09-03 20:35:20 +01:00
committed by GitHub
parent 4185a9d311
commit 4534fd0954
1 changed files with 2 additions and 33 deletions
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template/README.md
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@@ -376,48 +376,17 @@ node_modules/fbjs/lib/Deferred.js.flow:60
node_modules/fbjs/lib/shallowEqual.js.flow:29
29: return x !== 0 || 1 / (x: $FlowIssue) === 1 / (y: $FlowIssue);
^^^^^^^^^^ identifier `$FlowIssue`. Could not resolve name
src/App.js:3
3: import logo from './logo.svg';
^^^^^^^^^^^^ ./logo.svg. Required module not found
src/App.js:4
4: import './App.css';
^^^^^^^^^^^ ./App.css. Required module not found
src/index.js:5
5: import './index.css';
^^^^^^^^^^^^^ ./index.css. Required module not found
```
To fix this, change your `.flowconfig` to look like this:
```ini
[libs]
./node_modules/fbjs/flow/lib
[options]
esproposal.class_static_fields=enable
esproposal.class_instance_fields=enable
module.name_mapper='^\(.*\)\.css$' -> 'react-scripts/config/flow/css'
module.name_mapper='^\(.*\)\.\(jpg\|png\|gif\|eot\|otf\|webp\|svg\|ttf\|woff\|woff2\|mp4\|webm\)$' -> 'react-scripts/config/flow/file'
suppress_type=$FlowIssue
suppress_type=$FlowFixMe
[ignore]
<PROJECT_ROOT>/node_modules/fbjs/.*
```
Re-run flow, and you shouldn’t get any extra issues.
If you later `eject`, you’ll need to replace `react-scripts` references with the `<PROJECT_ROOT>` placeholder, for example:
```ini
module.name_mapper='^\(.*\)\.css$' -> '<PROJECT_ROOT>/config/flow/css'
module.name_mapper='^\(.*\)\.\(jpg\|png\|gif\|eot\|otf\|webp\|svg\|ttf\|woff\|woff2\|mp4\|webm\)$' -> '<PROJECT_ROOT>/config/flow/file'
```
We will consider integrating more tightly with Flow in the future so that you don’t have to do this.
## Adding Custom Environment Variables
>Note: this feature is available with `react-scripts@0.2.3` and higher.