From 2ea07392f1610f6d1b4f96db2f5f99d52eb629ac Mon Sep 17 00:00:00 2001
From: Ade Novid <adenvt@gmail.com>
Date: Tue, 1 Nov 2022 10:02:36 +0700
Subject: [PATCH] feat(aspect-ratio): handle element resize

---
 packages/tailwind-extended/index.js           |  2 +-
 src/.vitepress/config.ts                      |  4 +
 src/.vitepress/theme/components/Home.vue      |  2 +-
 src/components/aspect-ratio/index.md          | 84 +++++++++++++++++++
 src/components/aspect-ratio/index.ts          | 59 +++++++++++--
 src/components/calendar/Calendar.vue          |  4 +-
 src/components/camera/Camera.vue              | 12 +--
 src/components/camera/utils/take-picture.ts   |  2 +
 .../contextual-bar/ContextualBar.vue          |  2 +-
 src/components/cropper/Cropper.vue            |  4 +-
 src/components/label/Label.vue                |  5 +-
 src/components/navbar-menu/NavbarNavMenu.vue  |  2 +-
 src/components/navbar/Navbar.vue              |  2 +-
 src/components/navbar/NavbarNav.vue           |  3 +-
 src/components/navbar/NavbarToggle.vue        |  9 +-
 src/components/tabs/Tabs.vue                  |  6 +-
 src/directive/index.ts                        |  5 ++
 17 files changed, 179 insertions(+), 28 deletions(-)
 create mode 100644 src/components/aspect-ratio/index.md

diff --git a/packages/tailwind-extended/index.js b/packages/tailwind-extended/index.js
index 784edea4fc..591b2e290a 100644
--- a/packages/tailwind-extended/index.js
+++ b/packages/tailwind-extended/index.js
@@ -40,7 +40,7 @@ module.exports = plugin(
         '@supports not (aspect-ratio: 1/1)': {
           '&::before': {
             float     : 'left',
-            paddingTop: `calc(100% * ${value})`,
+            paddingTop: `calc(100% / (${value}))`,
             content   : '""',
           },
           '&::after': {
diff --git a/src/.vitepress/config.ts b/src/.vitepress/config.ts
index 4626674e81..b4e5047c29 100644
--- a/src/.vitepress/config.ts
+++ b/src/.vitepress/config.ts
@@ -276,6 +276,10 @@ export default defineConfig({
           text       : 'Directive',
           collapsible: true,
           items      : [
+            {
+              text: 'Aspect Ratio',
+              link: '/components/aspect-ratio/',
+            },
             {
               text: 'Markdown',
               link: '/components/markdown/',
diff --git a/src/.vitepress/theme/components/Home.vue b/src/.vitepress/theme/components/Home.vue
index 0937b379ee..1a1bb4ed1f 100644
--- a/src/.vitepress/theme/components/Home.vue
+++ b/src/.vitepress/theme/components/Home.vue
@@ -27,7 +27,7 @@
       </div>
     </div>
 
-    <div class="flex flex-col items-center justify-center gap-2 mt-10 md:flex-row">
+    <div class="flex flex-col items-center justify-center pt-10 space-gap-2 md:flex-row">
       <Button
         size="lg"
         @click="gettingStarted">
diff --git a/src/components/aspect-ratio/index.md b/src/components/aspect-ratio/index.md
new file mode 100644
index 0000000000..161de7cf59
--- /dev/null
+++ b/src/components/aspect-ratio/index.md
@@ -0,0 +1,84 @@
+<script setup>
+  import { vPAspectRatio } from '.'
+</script>
+
+# Aspect Ratio
+> CSS Aspect-Ratio alternative using JS
+
+## Usage
+
+### Simple Usage
+
+<preview class="items-start space-x-3">
+  <div
+    class="p-4 text-white w-28 bg-primary"
+    v-p-aspect-ratio="1 / 1">
+    1 / 1
+  </div>
+  <div
+    class="p-4 text-white w-28 bg-primary"
+    v-p-aspect-ratio="4 / 3">
+    4 / 3
+  </div>
+  <div
+    class="p-4 text-white w-28 bg-primary"
+    v-p-aspect-ratio="16 / 9">
+    16 / 9
+  </div>
+</preview>
+
+```vue
+<template>
+  <div
+    class="p-4 text-white w-28 bg-primary"
+    v-p-aspect-ratio="1 / 1">
+    1 / 1
+  </div>
+  <div
+    class="p-4 text-white w-28 bg-primary"
+    v-p-aspect-ratio="4 / 3">
+    4 / 3
+  </div>
+  <div
+    class="p-4 text-white w-28 bg-primary"
+    v-p-aspect-ratio="16 / 9">
+    16 / 9
+  </div>
+</template>
+
+<script setup>
+  import { vPAspectRatio } from '@privyid/persona/directive'
+</script>
+```
+
+## Fixed Size
+
+Add modifier `.fixed` to enable fixed size, it's using style `height` instead of `min-height`
+
+<preview class="space-x-3">
+  <div class="p-4 text-white w-28 bg-primary" v-p-aspect-ratio="1">
+    Lorem ipsum dolor sit amet, consectetur adipisicing elit.
+  </div>
+  <div class="p-4 text-white w-28 bg-primary" v-p-aspect-ratio.fixed="1">
+    Lorem ipsum dolor sit amet, consectetur adipisicing elit.
+  </div>
+</preview>
+
+```vue
+<template>
+  <div class="p-4 text-white w-28 bg-primary" v-p-aspect-ratio="1">
+    Lorem ipsum dolor sit amet, consectetur adipisicing elit.
+  </div>
+  <div class="p-4 text-white w-28 bg-primary" v-p-aspect-ratio.fixed="1">
+    Lorem ipsum dolor sit amet, consectetur adipisicing elit.
+  </div>
+</template>
+```
+
+## API
+
+### Modifiers
+
+| Modifiers | Description        |
+|-----------|--------------------|
+| `fixed`   | Enable fixed sized |
diff --git a/src/components/aspect-ratio/index.ts b/src/components/aspect-ratio/index.ts
index e9e1565d66..bbcbeeaf81 100644
--- a/src/components/aspect-ratio/index.ts
+++ b/src/components/aspect-ratio/index.ts
@@ -1,11 +1,54 @@
 import { Directive } from 'vue-demi'
 
-export const pAspectRatio: Directive<HTMLElement, number> = (el, { value, modifiers }) => {
-  const width  = el.clientWidth
-  const height = width / value
-
-  if (modifiers.fixed)
-    el.style.height = `${height}px`
-  else
-    el.style.minHeight = `${height}px`
+let observer: ResizeObserver
+
+function getObserver () {
+  if (!observer) {
+    observer = new ResizeObserver((entries) => {
+      for (const entry of entries) {
+        const target = entry.target as HTMLElement
+        const ratio  = Number.parseFloat(target.dataset.aspectRatio)
+        const fixed  = target.dataset.aspectFixed === 'true'
+
+        calculateSize(target, ratio, fixed)
+      }
+    })
+  }
+
+  return observer
 }
+
+function calculateSize (el: HTMLElement, ratio: number, fixed = false): void {
+  if (Number.isFinite(ratio)) {
+    const width  = el.clientWidth
+    const height = width / ratio
+
+    if (fixed)
+      el.style.height = `${height}px`
+    else
+      el.style.minHeight = `${height}px`
+  }
+}
+
+export const pAspectRatio: Directive<HTMLElement, number> = {
+  mounted (el, { value, modifiers }) {
+    el.dataset.aspectRatio = `${value}`
+    el.dataset.aspectFixed = modifiers.fixed ? 'true' : 'false'
+
+    calculateSize(el, value, modifiers.fixed)
+    getObserver().observe(el)
+  },
+
+  updated (el, { value, modifiers }) {
+    el.dataset.aspectRatio = `${value}`
+    el.dataset.aspectFixed = modifiers.fixed ? 'true' : 'false'
+
+    calculateSize(el, value, modifiers.fixed)
+  },
+
+  beforeUnmount (el) {
+    getObserver().unobserve(el)
+  },
+}
+
+export const vPAspectRatio = pAspectRatio
diff --git a/src/components/calendar/Calendar.vue b/src/components/calendar/Calendar.vue
index 30b7b9fe47..5e732e0799 100644
--- a/src/components/calendar/Calendar.vue
+++ b/src/components/calendar/Calendar.vue
@@ -245,10 +245,10 @@ export default defineComponent({
 
 <style lang="postcss">
 .calendar {
-  @apply p-2 md:p-4 bg-white flex flex-col gap-2 text-sm;
+  @apply p-2 md:p-4 bg-white flex flex-col space-y-2 text-sm;
 
   &__nav {
-    @apply flex justify-between gap-2;
+    @apply flex justify-between space-x-2;
 
     &-title {
       @apply flex-grow;
diff --git a/src/components/camera/Camera.vue b/src/components/camera/Camera.vue
index 317bf6ecc3..5bf17cf027 100644
--- a/src/components/camera/Camera.vue
+++ b/src/components/camera/Camera.vue
@@ -1,6 +1,6 @@
 <template>
   <div
-    v-p-aspect-ratio="4/3"
+    v-p-aspect-ratio.fixed="4/3"
     class="camera"
     data-testid="camera"
     :data-deviceid="deviceId"
@@ -373,7 +373,7 @@ export default defineComponent({
   }
 
   &__mask-container {
-    @apply absolute top-0 left-0 right-0 bottom-0 w-full h-full overflow-hidden pointer-events-none;
+    @apply absolute inset-0 w-full h-full overflow-hidden pointer-events-none;
   }
 
   &__mask {
@@ -384,20 +384,20 @@ export default defineComponent({
     }
 
     &--square & {
-      @apply aspect-compat-square w-1/2;
+      @apply aspect-compat-square w-[55%] md:w-1/2;
     }
 
     &--round & {
-      @apply aspect-compat-square rounded-full w-1/2;
+      @apply aspect-compat-square rounded-full w-[55%] md:w-1/2;
     }
 
     &--card & {
-      @apply aspect-compat-[85.60/53.98] w-2/3 rounded-md;
+      @apply aspect-compat-[85.60/53.98] w-3/4 rounded-md;
     }
   }
 
   &__result {
-    @apply max-w-full h-auto;
+    @apply w-full h-full object-cover absolute inset-0;
   }
 
   &__off-info {
diff --git a/src/components/camera/utils/take-picture.ts b/src/components/camera/utils/take-picture.ts
index 6110dd8c9c..8670cd9855 100644
--- a/src/components/camera/utils/take-picture.ts
+++ b/src/components/camera/utils/take-picture.ts
@@ -6,8 +6,10 @@ export function takePicture (video: HTMLVideoElement, mirror = false): string {
   canvas.height = video.videoHeight
 
   if (mirror) {
+    context.save()
     context.scale(-1, 1)
     context.drawImage(video, 0, 0, canvas.width * -1, canvas.height)
+    context.restore()
   } else
     context.drawImage(video, 0, 0, canvas.width, canvas.height)
 
diff --git a/src/components/contextual-bar/ContextualBar.vue b/src/components/contextual-bar/ContextualBar.vue
index 008465303e..fc241e78c9 100644
--- a/src/components/contextual-bar/ContextualBar.vue
+++ b/src/components/contextual-bar/ContextualBar.vue
@@ -64,7 +64,7 @@ import {
   onMounted,
   watch,
 } from 'vue-demi'
-import { AlignVariant } from '../nav/Nav.vue'
+import { AlignVariant } from '../nav'
 import { useVModel } from '../input'
 import pCaption from '../caption/Caption.vue'
 import pSubheading from '../subheading/Subheading.vue'
diff --git a/src/components/cropper/Cropper.vue b/src/components/cropper/Cropper.vue
index 699c2a4654..d653cf97e0 100644
--- a/src/components/cropper/Cropper.vue
+++ b/src/components/cropper/Cropper.vue
@@ -442,7 +442,7 @@ export default defineComponent({
 
   &__mask {
     @apply pointer-events-none touch-none select-none;
-    @apply border border-white border-dashed box-border shadow-mask absolute top-0 left-0 right-0 bottom-0 m-auto max-w-[66.666667%];
+    @apply border border-white border-dashed box-border shadow-mask absolute inset-0 m-auto max-w-[66.666667%];
   }
 
   &__image {
@@ -451,7 +451,7 @@ export default defineComponent({
     @apply touch-none h-auto origin-center object-contain select-none outline-none;
 
     &-container {
-      @apply w-full h-full absolute top-0 left-0 bottom-0 right-0 flex items-center justify-center;
+      @apply w-full h-full absolute inset-0 flex items-center justify-center;
     }
   }
 
diff --git a/src/components/label/Label.vue b/src/components/label/Label.vue
index fd3016b16a..ba2e336f85 100644
--- a/src/components/label/Label.vue
+++ b/src/components/label/Label.vue
@@ -20,7 +20,10 @@
 
 <script lang="ts">
 import {
-  defineComponent, PropType, computed, ref,
+  defineComponent,
+  PropType,
+  computed,
+  ref,
 } from 'vue-demi'
 import Dot from '../dot/Dot.vue'
 import IconClose from '@carbon/icons-vue/lib/close/16'
diff --git a/src/components/navbar-menu/NavbarNavMenu.vue b/src/components/navbar-menu/NavbarNavMenu.vue
index 7e2703d87a..0de2c4cb01 100644
--- a/src/components/navbar-menu/NavbarNavMenu.vue
+++ b/src/components/navbar-menu/NavbarNavMenu.vue
@@ -55,7 +55,7 @@ export default defineComponent({
   props     : {
     menus: {
       type   : Array as PropType<Menu[]>,
-      default: () => ([]),
+      default: () => ([] as Menu[]),
     },
   },
   setup () {},
diff --git a/src/components/navbar/Navbar.vue b/src/components/navbar/Navbar.vue
index 73159d7bab..10a1c99bf9 100644
--- a/src/components/navbar/Navbar.vue
+++ b/src/components/navbar/Navbar.vue
@@ -17,7 +17,7 @@ import {
   provide,
   toRef,
 } from 'vue-demi'
-import { StyleVariant } from '../nav/Nav.vue'
+import { StyleVariant } from '../nav'
 import {
   templateRef,
   useElementBounding,
diff --git a/src/components/navbar/NavbarNav.vue b/src/components/navbar/NavbarNav.vue
index f7c085d3c7..745de0303a 100644
--- a/src/components/navbar/NavbarNav.vue
+++ b/src/components/navbar/NavbarNav.vue
@@ -13,7 +13,8 @@
 import {
   defineComponent, inject, PropType,
 } from 'vue-demi'
-import Nav, { AlignVariant } from '../nav/Nav.vue'
+import Nav from '../nav/Nav.vue'
+import { AlignVariant } from '../nav'
 import { NAVBAR_SETTINGS } from '.'
 
 export default defineComponent({
diff --git a/src/components/navbar/NavbarToggle.vue b/src/components/navbar/NavbarToggle.vue
index dab893da28..b371193fc1 100644
--- a/src/components/navbar/NavbarToggle.vue
+++ b/src/components/navbar/NavbarToggle.vue
@@ -16,7 +16,10 @@
 
 <script lang="ts">
 import {
-  defineComponent, inject, ref, computed,
+  defineComponent,
+  inject,
+  ref,
+  computed,
 } from 'vue-demi'
 import Button from '../button/Button.vue'
 import IconMenu from '@carbon/icons-vue/lib/menu/20'
@@ -25,7 +28,9 @@ import { NAVBAR_SETTINGS } from '.'
 
 export default defineComponent({
   components: {
-    Button, IconMenu, IconClose,
+    Button,
+    IconMenu,
+    IconClose,
   },
   setup () {
     const expand     = ref(false)
diff --git a/src/components/tabs/Tabs.vue b/src/components/tabs/Tabs.vue
index 6734bb603f..e658879a80 100644
--- a/src/components/tabs/Tabs.vue
+++ b/src/components/tabs/Tabs.vue
@@ -53,7 +53,11 @@ import {
   computed,
   Slots,
 } from 'vue-demi'
-import Nav, { StyleVariant as TabsStyleVariant, AlignVariant as TabsAlignVariant } from '../nav/Nav.vue'
+import Nav from '../nav/Nav.vue'
+import {
+  StyleVariant as TabsStyleVariant,
+  AlignVariant as TabsAlignVariant,
+} from '../nav'
 import NavItem from '../nav/NavItem.vue'
 import TabContent from './TabContent.vue'
 import { useVModel } from '../input'
diff --git a/src/directive/index.ts b/src/directive/index.ts
index 72f8dbe6a3..76a6d79898 100644
--- a/src/directive/index.ts
+++ b/src/directive/index.ts
@@ -7,3 +7,8 @@ export {
   vPMd,
   pMd,
 } from '../components/markdown'
+
+export {
+  vPAspectRatio,
+  pAspectRatio,
+} from '../components/aspect-ratio'