在 React Native 中使用 CSS Modules的配置方法

yarn add react-native-sass-transformer sass -D

const { getDefaultConfig } = require("metro-config")
module.exports = (async () => {
  const {
    resolver: { sourceExts },
  } = await getDefaultConfig()
  return {
    transformer: {
      babelTransformerPath: require.resolve("react-native-sass-transformer"),
    },
    resolver: {
      sourceExts: [...sourceExts, "scss", "sass"],
    },
  }
})()

yarn add babel-plugin-react-native-classname-to-style \
  babel-plugin-react-native-platform-specific-extensions -D

module.exports = {
  presets: ["module:metro-react-native-babel-preset"],
  plugins: [
    "react-native-classname-to-style",
    [
      "react-native-platform-specific-extensions",
      {
        extensions: ["scss", "sass"],
      },
    ],
  ],
}

declare module "*.scss"

@mixin lightFontStyle($fontColor: rgb(0, 0, 0)) {
  font-size: 22px;
  font-family: $sencodary-font-light;
  letter-spacing: 0.96px;
  color: $fontColor;
}

.input {
  @include lightFontStyle($fontColor: rgb(39, 39, 39));
  padding: 12px 20px 40px;
  flex: 1;
}

.disabled {
  @extend .input;
  color: rgb(99, 99, 99);
}

// App.scss
@import "./theme/font.scss";

.welcome {
  font-family: $primary-font;
  font-size: 17px;
  text-align: center;
}

//App.tsx
import React from "react"
import { Text, StyleSheet } from "react-native"
import scss from "./App.scss"

function Welcome(props: Props) {
  return <Text style={[scss.welcome, styles.text]}>Hello {props.name}!</Text>
}

const styles = StyleSheet.create({
  text: {
    backgroundColor: "transparent",
    margin: 8,
  },
})