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前端源码/uni-app/postcss-rpx-to-vw.js

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+// PostCSS 插件：将 rpx 单位转换为 vw
+// 基于 750px 设计稿，1rpx = 100vw / 750 = 0.1333vw
+
+const postcssRpxToVw = () => {
+    return {
+        postcssPlugin: 'postcss-rpx-to-vw',
+        Declaration(decl) {
+            if (decl.value.includes('rpx')) {
+                decl.value = decl.value.replace(/(\d+(?:\.\d+)?)rpx/g, (match, num) => {
+                    const vw = (parseFloat(num) / 750 * 100).toFixed(4);
+                    return `${vw}vw`;
+                });
+            }
+        }
+    };
+};
+
+postcssRpxToVw.postcss = true;
+
+export default postcssRpxToVw;