From ba07da6b1011e77c9ed42e8643e62b903c6c6d7b Mon Sep 17 00:00:00 2001
From: Bastien Wirtz <bastien.wirtz@gmail.com>
Date: Sat, 6 Mar 2021 22:50:58 -0800
Subject: Avoid full reload when swithcing page.

---
 src/components/Message.vue | 25 ++++++++++++++++++-------
 1 file changed, 18 insertions(+), 7 deletions(-)

(limited to 'src/components')

diff --git a/src/components/Message.vue b/src/components/Message.vue
index 2f71f3f..7c6acdd 100644
--- a/src/components/Message.vue
+++ b/src/components/Message.vue
@@ -22,7 +22,6 @@ export default {
   },
   data: function () {
     return {
-      show: false,
       message: {},
     };
   },
@@ -30,14 +29,23 @@ export default {
     // Look for a new message if an endpoint is provided.
     this.message = Object.assign({}, this.item);
     await this.getMessage();
-    this.show = this.message.title || this.message.content;
   },
-
+  computed: {
+    show: function () {
+      return this.message.title || this.message.content;
+    },
+  },
+  watch: {
+    item: function (item) {
+      this.message = Object.assign({}, item);
+    },
+  },
   methods: {
-    getMessage: async function() {
+    getMessage: async function () {
       if (this.item && this.item.url) {
         let fetchedMessage = await this.downloadMessage(this.item.url);
-        if (this.item.mapping) fetchedMessage = this.mapRemoteMessage(fetchedMessage);
+        if (this.item.mapping)
+          fetchedMessage = this.mapRemoteMessage(fetchedMessage);
         // keep the original config value if no value is provided by the endpoint
         for (const prop of ["title", "style", "content"]) {
           if (prop in fetchedMessage && fetchedMessage[prop] !== null) {
@@ -45,7 +53,8 @@ export default {
           }
         }
       }
-      if (this.item.refreshInterval) setTimeout(this.getMessage, this.item.refreshInterval);
+      if (this.item.refreshInterval)
+        setTimeout(this.getMessage, this.item.refreshInterval);
     },
 
     downloadMessage: function (url) {
@@ -60,7 +69,9 @@ export default {
     mapRemoteMessage: function (message) {
       let mapped = {};
       // map property from message into mapped according to mapping config (only if field has a value):
-      for (const prop in this.item.mapping) if (message[this.item.mapping[prop]]) mapped[prop] = message[this.item.mapping[prop]];
+      for (const prop in this.item.mapping)
+        if (message[this.item.mapping[prop]])
+          mapped[prop] = message[this.item.mapping[prop]];
       return mapped;
     },
   },
-- 
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