From e5daa88e4c6ec3ee4f3f53ec86d6919f3de430a1 Mon Sep 17 00:00:00 2001
From: Blayne Chard <blayne@chard.com>
Date: Sun, 26 Nov 2023 17:14:25 +1300
Subject: [PATCH] refactor: correct test and doc

---
 packages/core/src/__test__/cog.read.test.ts | 2 +-
 packages/core/src/const/tiff.tag.id.ts      | 3 +--
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/packages/core/src/__test__/cog.read.test.ts b/packages/core/src/__test__/cog.read.test.ts
index 77f54f0d..fb08a5bb 100644
--- a/packages/core/src/__test__/cog.read.test.ts
+++ b/packages/core/src/__test__/cog.read.test.ts
@@ -82,7 +82,7 @@ describe('CogRead', () => {
     assert.equal(im.isTiled(), false);
 
     // 32 bit float DEM
-    assert.deepEqual(im.value(TiffTag.BitsPerSample), 32);
+    assert.deepEqual(im.value(TiffTag.BitsPerSample), [32]);
     assert.equal(im.value(TiffTag.SampleFormat), SampleFormat.Float);
     assert.equal(im.value(TiffTag.Photometric), Photometric.MinIsBlack);
 
diff --git a/packages/core/src/const/tiff.tag.id.ts b/packages/core/src/const/tiff.tag.id.ts
index 5fe222a2..39aa1360 100644
--- a/packages/core/src/const/tiff.tag.id.ts
+++ b/packages/core/src/const/tiff.tag.id.ts
@@ -369,8 +369,7 @@ export interface TiffTagType {
   [TiffTag.ImageHeight]: number;
   [TiffTag.ImageWidth]: number;
   [TiffTag.SubFileType]: SubFileType;
-  /** Number if only one band present */
-  [TiffTag.BitsPerSample]: number[] | number;
+  [TiffTag.BitsPerSample]: number[];
   [TiffTag.Compression]: Compression;
   [TiffTag.OldSubFileType]: OldSubFileType;
   [TiffTag.Photometric]: Photometric;