From 175b8c9dbab327def2e57b68e43716d52c19f28c Mon Sep 17 00:00:00 2001
From: Benjamin Canac <canacb1@gmail.com>
Date: Tue, 14 Dec 2021 17:54:02 +0100
Subject: [PATCH] chore(Notification): transform `ticker` and `timer` plugins
 to `useTimer` composable

---
 src/components/overlays/Notification.vue | 146 +++++++++++++----------
 src/composables/useTimer.ts              |  64 ++++++++++
 src/index.ts                             |   7 +-
 src/plugins/ticker.client.ts             |  19 ---
 src/plugins/timer.client.ts              |  34 ------
 5 files changed, 150 insertions(+), 120 deletions(-)
 create mode 100644 src/composables/useTimer.ts
 delete mode 100644 src/plugins/ticker.client.ts
 delete mode 100644 src/plugins/timer.client.ts

diff --git a/src/components/overlays/Notification.vue b/src/components/overlays/Notification.vue
index f4d68943..b4c6a1ad 100644
--- a/src/components/overlays/Notification.vue
+++ b/src/components/overlays/Notification.vue
@@ -11,7 +11,7 @@
     <div
       class="z-50 w-full bg-white rounded-lg shadow-lg pointer-events-auto dark:bg-gray-800"
       @mouseover="onMouseover"
-      @mouseout="onMouseout"
+      @mouseleave="onMouseleave"
     >
       <div class="relative overflow-hidden rounded-lg ring-1 u-ring-gray-200">
         <div class="p-4">
@@ -31,7 +31,7 @@
                 variant="white"
                 size="xs"
                 class="mt-2"
-                @click.stop="cancel"
+                @click.stop="onUndo"
               >
                 Undo
               </Button>
@@ -39,7 +39,7 @@
             <div class="flex-shrink-0 ml-4">
               <button
                 class="transition duration-150 ease-in-out u-text-gray-400 focus:outline-none hover:u-text-gray-500 focus:u-text-gray-500"
-                @click.stop="close"
+                @click.stop="onClose"
               >
                 <span class="sr-only">Close</span>
                 <Icon name="heroicons-solid:x" class="w-5 h-5" />
@@ -56,8 +56,11 @@
 </template>
 
 <script>
+import { ref, computed, onMounted, onUnmounted } from 'vue'
+
 import Icon from '../elements/Icon'
 import Button from '../elements/Button'
+import { useTimer } from '../../composables/useTimer'
 
 export default {
   components: {
@@ -102,84 +105,97 @@ export default {
       default: null
     }
   },
-  data () {
-    return {
-      timer: null,
-      ticker: null,
-      remainingTime: this.timeout
-    }
-  },
-  computed: {
-    iconName () {
-      return this.icon || ({
+  emits: ['close'],
+  setup (props, { emit }) {
+    let timer = null
+    const remaining = ref(props.timeout)
+
+    const iconName = computed(() => {
+      return props.icon || ({
         warning: 'heroicons-outline:exclamation-circle',
         info: 'heroicons-outline:information-circle',
         success: 'heroicons-outline:check-circle',
         error: 'heroicons-outline:x-circle'
-      })[this.type]
-    },
-    iconClass () {
+      })[props.type]
+    })
+
+    const iconClass = computed(() => {
       return ({
         warning: 'text-orange-400',
         info: 'text-blue-400',
         success: 'text-green-400',
         error: 'text-red-400'
-      })[this.type] || 'u-text-gray-400'
-    },
-    progressBarStyle () {
-      const remainingPercent = this.remainingTime / this.timeout * 100
-      return { width: `${remainingPercent}%` }
-    }
-  },
-  mounted () {
-    if (!this.$timer) {
-      return
+      })[props.type] || 'u-text-gray-400'
+    })
+
+    const progressBarStyle = computed(() => {
+      const remainingPercent = remaining.value / props.timeout * 100
+      return { width: `${remainingPercent || 0}%` }
+    })
+
+    function onMouseover () {
+      if (timer) {
+        timer.pause()
+      }
     }
 
-    if (this.timeout) {
-      this.timer = new this.$timer(() => {
-        this.close()
-        this.ticker?.stop()
-      }, this.timeout)
-      this.ticker = new this.$ticker(() => {
-        this.remainingTime -= 10
-      }, 10)
+    function onMouseleave () {
+      if (timer) {
+        timer.resume()
+      }
     }
-  },
-  beforeDestroy () {
-    if (this.timer) {
-      this.timer.stop()
-      this.ticker.stop()
+
+    function onClose () {
+      if (timer) {
+        timer.stop()
+      }
+
+      if (props.callback) {
+        props.callback()
+      }
+
+      emit('close')
     }
-  },
-  methods: {
-    onMouseover () {
-      if (this.timer) {
-        this.timer.pause()
-        this.ticker.stop()
+
+    function onUndo () {
+      if (timer) {
+        timer.stop()
       }
-    },
-    onMouseout () {
-      if (this.timer) {
-        this.timer.resume()
-        this.ticker.start()
+
+      if (props.undo) {
+        props.undo()
       }
-    },
-    cancel () {
-      if (this.timer) {
-        this.timer.stop()
-        this.ticker.stop()
+
+      emit('close')
+    }
+
+    onMounted(() => {
+      if (!props.timeout) {
+        return
       }
-      if (this.undo) {
-        this.undo()
-      }
-      this.$emit('close')
-    },
-    close () {
-      if (this.callback) {
-        this.callback()
-      }
-      this.$emit('close')
+
+      timer = useTimer(() => {
+        onClose()
+      }, props.timeout)
+
+      watchEffect(() => {
+        remaining.value = timer.remaining.value
+      })
+    })
+
+    onUnmounted(() => {
+      timer.stop()
+    })
+
+    return {
+      timer,
+      iconName,
+      iconClass,
+      progressBarStyle,
+      onMouseover,
+      onMouseleave,
+      onClose,
+      onUndo
     }
   }
 }
diff --git a/src/composables/useTimer.ts b/src/composables/useTimer.ts
new file mode 100644
index 00000000..eb5b6cdf
--- /dev/null
+++ b/src/composables/useTimer.ts
@@ -0,0 +1,64 @@
+import { Ref, ref, computed } from 'vue-demi'
+import { useTimestamp } from '@vueuse/core'
+
+export function useTimer (cb: (...args: unknown[]) => any, interval: number) {
+  let timer: number | null = null
+  const timestamp = useTimestamp({ controls: true })
+  const startTime: Ref<number | null> = ref(null)
+
+  const remaining = computed(() => {
+    if (!startTime.value) {
+      return
+    }
+    return interval - (timestamp.timestamp.value - startTime.value)
+  })
+
+  function set (...args: unknown[]) {
+    timer = setTimeout(() => {
+      timer = null
+      startTime.value = null
+      // eslint-disable-next-line node/no-callback-literal
+      cb(...args)
+    }, remaining.value) as unknown as number
+  }
+
+  function clear () {
+    if (timer) {
+      clearTimeout(timer)
+      timer = null
+    }
+  }
+
+  function start () {
+    startTime.value = Date.now()
+
+    set()
+  }
+
+  function stop () {
+    clear()
+    timestamp.pause()
+  }
+
+  function pause () {
+    clear()
+    timestamp.pause()
+  }
+
+  function resume () {
+    console.log('resume')
+    startTime.value += (Date.now() - timestamp.timestamp.value)
+    timestamp.resume()
+    set()
+  }
+
+  start()
+
+  return {
+    start,
+    stop,
+    pause,
+    resume,
+    remaining
+  }
+}
diff --git a/src/index.ts b/src/index.ts
index badd76de..70cb5148 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -176,8 +176,6 @@ export default defineNuxtModule<UiOptions>({
       getContents: () => `/* @unocss-include */ export default ${JSON.stringify(ui)}`
     })
 
-    addPlugin(resolve(__dirname, './plugins/ticker.client'))
-    addPlugin(resolve(__dirname, './plugins/timer.client'))
     addPlugin(resolve(__dirname, './plugins/toast.client'))
 
     addComponentsDir({
@@ -211,6 +209,11 @@ export default defineNuxtModule<UiOptions>({
       watch: false
     })
 
+    // Add composables
+    nuxt.hook('autoImports:dirs', (dirs) => {
+      dirs.push(resolve(__dirname, './composables'))
+    })
+
     nuxt.options.css.push(resolve(__dirname, './css/forms.css'))
 
     nuxt.options.build.transpile.push('@popperjs/core', '@headlessui/vue', '@nuxthq/ui')
diff --git a/src/plugins/ticker.client.ts b/src/plugins/ticker.client.ts
deleted file mode 100644
index 61b78d20..00000000
--- a/src/plugins/ticker.client.ts
+++ /dev/null
@@ -1,19 +0,0 @@
-import { defineNuxtPlugin } from '#app'
-
-function Ticker (callback, interval) {
-  let id
-
-  this.start = function () {
-    id = window.setInterval(callback, interval)
-  }
-
-  this.stop = function () {
-    window.clearInterval(id)
-  }
-
-  this.start()
-}
-
-export default defineNuxtPlugin((nuxtApp) => {
-  nuxtApp.provide('ticker', Ticker)
-})
diff --git a/src/plugins/timer.client.ts b/src/plugins/timer.client.ts
deleted file mode 100644
index be544c78..00000000
--- a/src/plugins/timer.client.ts
+++ /dev/null
@@ -1,34 +0,0 @@
-import { defineNuxtPlugin } from '#app'
-
-function Timer (callback, delay) {
-  let timerId
-  let start
-  let remaining = delay
-
-  this.pause = function () {
-    window.clearTimeout(timerId)
-    remaining -= new Date() - start
-  }
-
-  this.resume = function () {
-    start = new Date()
-    window.clearTimeout(timerId)
-    timerId = window.setTimeout(callback, remaining)
-  }
-
-  this.reset = function () {
-    start = new Date()
-    window.clearTimeout(timerId)
-    timerId = window.setTimeout(callback, delay)
-  }
-
-  this.stop = function () {
-    window.clearTimeout(timerId)
-  }
-
-  this.resume()
-}
-
-export default defineNuxtPlugin((nuxtApp) => {
-  nuxtApp.provide('timer', Timer)
-})