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Add optional support for custom postcss plugins #8474

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Add optional support for custom postcss plugins #8474

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1 change: 1 addition & 0 deletions docusaurus/docs/advanced-configuration.md
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Original file line number Diff line number Diff line change
Expand Up @@ -27,3 +27,4 @@ You can adjust various development and production settings by setting environmen
| IMAGE_INLINE_SIZE_LIMIT | 🚫 Ignored | ✅ Used | By default, images smaller than 10,000 bytes are encoded as a data URI in base64 and inlined in the CSS or JS build artifact. Set this to control the size limit in bytes. Setting it to 0 will disable the inlining of images. |
| EXTEND_ESLINT | ✅ Used | ✅ Used | When set to `true`, ESLint configs that extend `eslint-config-react-app` will be used by `eslint-loader`. Any rules that are set to `"error"` will stop the application from building. |
| TSC_COMPILE_ON_ERROR | ✅ Used | ✅ Used | When set to `true`, you can run and properly build TypeScript projects even if there are TypeScript type check errors. These errors are printed as warnings in the terminal and/or browser console. |
| POSTCSS_CONFIG_FILE | ✅ Used | ✅ Used | When set to `true`, you can use a custom `postcss.config.js` in your project, which allows loading custom plugins such as `postcss-import`. |
34 changes: 19 additions & 15 deletions packages/react-scripts/config/webpack.config.js
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Expand Up @@ -110,19 +110,23 @@ module.exports = function(webpackEnv) {
// Necessary for external CSS imports to work
// https://github.com/facebook/create-react-app/issues/2677
ident: 'postcss',
plugins: () => [
require('postcss-flexbugs-fixes'),
require('postcss-preset-env')({
autoprefixer: {
flexbox: 'no-2009',
},
stage: 3,
}),
// Adds PostCSS Normalize as the reset css with default options,
// so that it honors browserslist config in package.json
// which in turn let's users customize the target behavior as per their needs.
postcssNormalize(),
],
...(process.env.POSTCSS_CONFIG_FILE === 'true'
? {}
: {
plugins: () => [
require('postcss-flexbugs-fixes'),
require('postcss-preset-env')({
autoprefixer: {
flexbox: 'no-2009',
},
stage: 3,
}),
// Adds PostCSS Normalize as the reset css with default options,
// so that it honors browserslist config in package.json
// which in turn let's users customize the target behavior as per their needs.
postcssNormalize(),
],
}),
sourceMap: isEnvProduction && shouldUseSourceMap,
},
},
Expand Down Expand Up @@ -270,8 +274,8 @@ module.exports = function(webpackEnv) {
: false,
},
cssProcessorPluginOptions: {
preset: ['default', { minifyFontValues: { removeQuotes: false } }]
}
preset: ['default', { minifyFontValues: { removeQuotes: false } }],
},
}),
],
// Automatically split vendor and commons
Expand Down