Add support for ICNS (#356)

sindresorhus · May 15, 2020 · 6ec2897 · 6ec2897
1 parent 40f63b4
commit 6ec2897
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Showing 6 changed files with 13 additions and 0 deletions.
diff --git a/core.d.ts b/core.d.ts
@@ -20,6 +20,7 @@ declare namespace core {
 		| 'raf'
 		| 'tif'
 		| 'bmp'
+		| 'icns'
 		| 'jxr'
 		| 'psd'
 		| 'zip'
@@ -143,6 +144,7 @@ declare namespace core {
 		| 'image/x-canon-cr3'
 		| 'image/tiff'
 		| 'image/bmp'
+		| 'image/icns'
 		| 'image/vnd.ms-photo'
 		| 'image/vnd.adobe.photoshop'
 		| 'application/epub+zip'

diff --git a/core.js b/core.js
@@ -254,6 +254,13 @@ async function _fromTokenizer(tokenizer) {
 		};
 	}
 
+	if (checkString('icns', {offset: 0})) {
+		return {
+			ext: 'icns',
+			mime: 'image/icns'
+		};
+	}
+
 	// Zip-based file formats
 	// Need to be before the `zip` check
 	if (check([0x50, 0x4B, 0x3, 0x4])) { // Local file header signature

diff --git a/fixture/fixture.icns b/fixture/fixture.icns
diff --git a/package.json b/package.json
@@ -63,6 +63,7 @@
 		"raf",
 		"tif",
 		"bmp",
+		"icns",
 		"jxr",
 		"psd",
 		"zip",

diff --git a/readme.md b/readme.md
@@ -286,6 +286,7 @@ Returns a set of supported MIME types.
 - [`raf`](https://en.wikipedia.org/wiki/Raw_image_format) - Fujifilm RAW image file
 - [`tif`](https://en.wikipedia.org/wiki/Tagged_Image_File_Format)
 - [`bmp`](https://en.wikipedia.org/wiki/BMP_file_format)
+- [`icns`](https://en.wikipedia.org/wiki/Apple_Icon_Image_format)
 - [`jxr`](https://en.wikipedia.org/wiki/JPEG_XR)
 - [`psd`](https://en.wikipedia.org/wiki/Adobe_Photoshop#File_format)
 - [`zip`](https://en.wikipedia.org/wiki/Zip_(file_format))

diff --git a/supported.js b/supported.js
@@ -18,6 +18,7 @@ module.exports = {
 		'raf',
 		'tif',
 		'bmp',
+		'icns',
 		'jxr',
 		'psd',
 		'zip',
@@ -223,6 +224,7 @@ module.exports = {
 		'image/heif-sequence',
 		'image/heic',
 		'image/heic-sequence',
+		'image/icns',
 		'image/ktx',
 		'application/dicom',
 		'audio/x-musepack',