From 1280b66f419a92fc04be3e9e61be6c40d5ef08f6 Mon Sep 17 00:00:00 2001
From: Thomas Citharel <tcit@tcit.fr>
Date: Thu, 12 Aug 2021 10:11:46 +0200
Subject: [PATCH] Catch blurhash decoding errors

Signed-off-by: Thomas Citharel <tcit@tcit.fr>
---
 js/src/components/Event/EventBanner.vue      |  3 ++-
 js/src/components/Image/BlurhashImg.vue      | 14 +++++++++-----
 js/src/components/Image/LazyImageWrapper.vue |  3 ++-
 3 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/js/src/components/Event/EventBanner.vue b/js/src/components/Event/EventBanner.vue
index 1e82f0c38..f2d429ab2 100644
--- a/js/src/components/Event/EventBanner.vue
+++ b/js/src/components/Event/EventBanner.vue
@@ -5,6 +5,7 @@
 </template>
 <script lang="ts">
 import { IMedia } from "@/types/media.model";
+import { PropType } from "vue";
 import { Component, Prop, Vue } from "vue-property-decorator";
 import LazyImageWrapper from "../Image/LazyImageWrapper.vue";
 
@@ -14,7 +15,7 @@ import LazyImageWrapper from "../Image/LazyImageWrapper.vue";
   },
 })
 export default class EventBanner extends Vue {
-  @Prop({ required: true, default: null })
+  @Prop({ required: true, default: null, type: Object as PropType<IMedia> })
   picture!: IMedia | null;
 }
 </script>
diff --git a/js/src/components/Image/BlurhashImg.vue b/js/src/components/Image/BlurhashImg.vue
index 9181991a1..a4017a5fc 100644
--- a/js/src/components/Image/BlurhashImg.vue
+++ b/js/src/components/Image/BlurhashImg.vue
@@ -7,17 +7,21 @@ import { decode } from "blurhash";
 import { Component, Prop, Ref, Vue } from "vue-property-decorator";
 
 @Component
-export default class extends Vue {
+export default class BlurhashImg extends Vue {
   @Prop({ type: String, required: true }) hash!: string;
   @Prop({ type: Number, default: 1 }) aspectRatio!: string;
 
   @Ref("canvas") readonly canvas!: any;
 
   mounted(): void {
-    const pixels = decode(this.hash, 32, 32);
-    const imageData = new ImageData(pixels, 32, 32);
-    const context = this.canvas.getContext("2d");
-    context.putImageData(imageData, 0, 0);
+    try {
+      const pixels = decode(this.hash, 32, 32);
+      const imageData = new ImageData(pixels, 32, 32);
+      const context = this.canvas.getContext("2d");
+      context.putImageData(imageData, 0, 0);
+    } catch (e) {
+      console.error(e);
+    }
   }
 }
 </script>
diff --git a/js/src/components/Image/LazyImageWrapper.vue b/js/src/components/Image/LazyImageWrapper.vue
index af5b43493..1b3e1313a 100644
--- a/js/src/components/Image/LazyImageWrapper.vue
+++ b/js/src/components/Image/LazyImageWrapper.vue
@@ -9,6 +9,7 @@
 </template>
 <script lang="ts">
 import { IMedia } from "@/types/media.model";
+import { PropType } from "vue";
 import { Component, Prop, Vue } from "vue-property-decorator";
 import LazyImage from "../Image/LazyImage.vue";
 
@@ -31,7 +32,7 @@ const DEFAULT_PICTURE = {
   },
 })
 export default class LazyImageWrapper extends Vue {
-  @Prop({ required: true })
+  @Prop({ required: false, type: Object as PropType<IMedia | null> })
   picture!: IMedia | null;
 
   get pictureOrDefault(): Partial<IMedia> {