Add support for Mach-O (#615)

sindresorhus · Nov 1, 2023 · ec4980b · ec4980b
1 parent dc2a832
commit ec4980b
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Showing 6 changed files with 13 additions and 0 deletions.
diff --git a/core.d.ts b/core.d.ts
@@ -50,6 +50,7 @@ export type FileExtension =
 	| 'epub'
 	| 'mobi'
 	| 'elf'
+	| 'macho'
 	| 'exe'
 	| 'swf'
 	| 'rtf'
@@ -209,6 +210,7 @@ export type MimeType =
 	| 'audio/amr'
 	| 'application/pdf'
 	| 'application/x-elf'
+	| 'application/x-mach-binary'
 	| 'application/x-msdownload'
 	| 'application/x-shockwave-flash'
 	| 'application/rtf'

diff --git a/core.js b/core.js
@@ -855,6 +855,13 @@ class FileTypeParser {
 			};
 		}
 
+		if (this.check([0xCF, 0xFA, 0xED, 0xFE])) {
+			return {
+				ext: 'macho',
+				mime: 'application/x-mach-binary',
+			};
+		}
+
 		// -- 5-byte signatures --
 
 		if (this.check([0x4F, 0x54, 0x54, 0x4F, 0x00])) {

diff --git a/fixture/fixture.macho b/fixture/fixture.macho
diff --git a/package.json b/package.json
@@ -52,6 +52,7 @@
 		"is",
 		"exif",
 		"elf",
+		"macho",
 		"exe",
 		"binary",
 		"buffer",

diff --git a/readme.md b/readme.md
@@ -388,6 +388,7 @@ Returns a `Set<string>` of supported MIME types.
 - [`m4b`](https://en.wikipedia.org/wiki/M4B) - Audiobook and podcast MPEG-4 files, which also contain metadata including chapter markers, images, and hyperlinks
 - [`m4p`](https://en.wikipedia.org/wiki/MPEG-4_Part_14#Filename_extensions) - MPEG-4 files with audio streams encrypted by FairPlay Digital Rights Management as were sold through the iTunes Store
 - [`m4v`](https://en.wikipedia.org/wiki/M4V) - Video container format developed by Apple, which is very similar to the MP4 format
+- [`macho`](https://en.wikipedia.org/wiki/Mach-O) - Mach-O binary format
 - [`mid`](https://en.wikipedia.org/wiki/MIDI) - Musical Instrument Digital Interface file
 - [`mie`](https://en.wikipedia.org/wiki/Sidecar_file) - Dedicated meta information format which supports storage of binary as well as textual meta information
 - [`mj2`](https://en.wikipedia.org/wiki/Motion_JPEG_2000) - Motion JPEG 2000

diff --git a/supported.js b/supported.js
@@ -48,6 +48,7 @@ export const extensions = [
 	'pdf',
 	'epub',
 	'elf',
+	'macho',
 	'exe',
 	'swf',
 	'rtf',
@@ -206,6 +207,7 @@ export const mimeTypes = [
 	'audio/amr',
 	'application/pdf',
 	'application/x-elf',
+	'application/x-mach-binary',
 	'application/x-msdownload',
 	'application/x-shockwave-flash',
 	'application/rtf',