From 18f507f00a981020b0bcbba72d4a71a412364a27 Mon Sep 17 00:00:00 2001
From: Mattias Wallander <mattias@wallander.eu>
Date: Sat, 21 Oct 2023 16:52:06 +0200
Subject: [PATCH] Add types for extended WebP tags

---
 exif-reader.d.ts          | 24 ++++++++++++++++++++++--
 test/types/exif-reader.ts | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 56 insertions(+), 2 deletions(-)

diff --git a/exif-reader.d.ts b/exif-reader.d.ts
index fe59222..723b175 100644
--- a/exif-reader.d.ts
+++ b/exif-reader.d.ts
@@ -81,6 +81,25 @@ interface PngTextTags {
     [name: string]: PngTextTag
 }
 
+interface RiffTags {
+    'Alpha'?: {
+        value: 0 | 1,
+        description: 'No' | 'Yes'
+    },
+    'Animation'?: {
+        value: 0 | 1,
+        description: 'No' | 'Yes'
+    },
+    'ImageWidth'?: {
+        value: number,
+        description: string
+    },
+    'ImageHeight'?: {
+        value: number,
+        description: string
+    }
+}
+
 interface NumberFileTag {
     description: string,
     value: number
@@ -153,6 +172,7 @@ interface ExpandedTags {
     iptc?: ExifTags,
     xmp?: { _raw: string } & XmpTags,
     icc?: IccTags,
+    riff?: RiffTags,
     Thumbnail?: ThumbnailTags,
     gps?: GpsTags
 }
@@ -453,9 +473,9 @@ interface IccTags {
     [name: string]: ValueTag;
 }
 
-export type Tags = XmpTags & IccTags & PngTags & {
+export type Tags = XmpTags & IccTags & PngTags & RiffTags & {
     'Thumbnail'?: ThumbnailTags;
     'Images'?: MPFImageTags[],
 } & {
     [K in keyof ExifTags]: ExifTags[K] | XmpTag;
-}
\ No newline at end of file
+}
diff --git a/test/types/exif-reader.ts b/test/types/exif-reader.ts
index a5dee02..b1fa355 100644
--- a/test/types/exif-reader.ts
+++ b/test/types/exif-reader.ts
@@ -84,3 +84,37 @@ expandedTags.png?.["Pixel Units"]?.description === "meters";
 // @ts-expect-error
 expandedTags.png?.["Color Type"]?.description === "A non-color type value";
 expandedTags.png?.["Custom Tag Name"]?.description === "Should work";
+
+/////////
+// RIFF
+tags["Alpha"]?.value === 0;
+tags["Alpha"]?.description === 'Yes';
+tags["Alpha"]?.description === 'No';
+// @ts-expect-error
+tags["Alpha"]?.description === 'Maybe';
+expandedTags["riff"]?.["Alpha"]?.value === 0;
+expandedTags["riff"]?.["Alpha"]?.description === 'Yes';
+expandedTags["riff"]?.["Alpha"]?.description === 'No';
+// @ts-expect-error
+expandedTags["riff"]?.["Alpha"]?.description === 'Maybe';
+
+tags["Animation"]?.value === 0;
+tags["Animation"]?.description === 'Yes';
+tags["Animation"]?.description === 'No';
+// @ts-expect-error
+tags["Animation"]?.description === 'Maybe';
+expandedTags["riff"]?.["Animation"]?.value === 0;
+expandedTags["riff"]?.["Animation"]?.description === 'Yes';
+expandedTags["riff"]?.["Animation"]?.description === 'No';
+// @ts-expect-error
+expandedTags["riff"]?.["Animation"]?.description === 'Maybe';
+
+tags["ImageWidth"]?.value === 100;
+tags["ImageWidth"]?.description === '100px';
+expandedTags["riff"]?.["ImageWidth"]?.value === 100;
+expandedTags["riff"]?.["ImageWidth"]?.description === '100px';
+
+tags["ImageHeight"]?.value === 100;
+tags["ImageHeight"]?.description === '100px';
+expandedTags["riff"]?.["ImageHeight"]?.value === 100;
+expandedTags["riff"]?.["ImageHeight"]?.description === '100px';