basic setup

composables/useRelativeSize.js

@@ -0,0 +1,29 @@
+import { useWindowSize } from '@vueuse/core'
+import { viewports } from '@/libs/theme'
+
+const { width: wWidth, height: wHeight } = useWindowSize()
+
+export default () => {
+    // Desktop
+    const dvw = (pixels) => {
+        return (pixels / viewports.desktop.width) * wWidth.value
+    }
+    const dvh = (pixels) => {
+        return (pixels / viewports.desktop.height) * wHeight.value
+    }
+
+    // Mobile
+    const mvw = (pixels) => {
+        return (pixels / viewports.mobile.width) * wWidth.value
+    }
+    const mvh = (pixels) => {
+        return (pixels / viewports.mobile.height) * wHeight.value
+    }
+
+    return {
+        dvw,
+        dvh,
+        mvw,
+        mvh,
+    }
+}