Audio mod detections: .it, .s3m & .xm

Implements #254
sindresorhus · Jan 13, 2020 · e8e0669 · e8e0669
1 parent 949acee
commit e8e0669
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Showing 8 changed files with 44 additions and 5 deletions.
diff --git a/core.d.ts b/core.d.ts
@@ -124,7 +124,10 @@ declare namespace core {
 		| 'arrow'
 		| 'shp'
 		| 'aac'
-		| 'mp1';
+		| 'mp1'
+		| 'it'
+		| 's3m'
+		| 'xm';
 
 	type MimeType =
 		| 'image/jpeg'
@@ -239,7 +242,10 @@ declare namespace core {
 		| 'video/x-m4v'
 		| 'video/3gpp2'
 		| 'application/x-esri-shape'
-		| 'audio/aac';
+		| 'audio/aac'
+		| 'audio/x-it'
+		| 'audio/x-s3m'
+		| 'audio/x-xm';
 
 	interface FileTypeResult {
 		/**

diff --git a/core.js b/core.js
@@ -755,6 +755,13 @@ async function fromTokenizer(tokenizer) {
 		};
 	}
 
+	if (checkString('IMPM')) {
+		return {
+			ext: 'it',
+			mime: 'audio/x-it'
+		};
+	}
+
 	// -- 6-byte signatures --
 
 	if (check([0xFD, 0x37, 0x7A, 0x58, 0x5A, 0x00])) {
@@ -1050,6 +1057,13 @@ async function fromTokenizer(tokenizer) {
 		};
 	}
 
+	if (checkString('Extended Module:')) {
+		return {
+			ext: 'xm',
+			mime: 'audio/x-xm'
+		};
+	}
+
 	if (checkString('Creative Voice File')) {
 		return {
 			ext: 'voc',
@@ -1081,6 +1095,13 @@ async function fromTokenizer(tokenizer) {
 		};
 	}
 
+	if (checkString('SCRM', {offset: 44})) {
+		return {
+			ext: 's3m',
+			mime: 'audio/x-s3m'
+		};
+	}
+
 	if (check([0x47], {offset: 4}) && (check([0x47], {offset: 192}) || check([0x47], {offset: 196}))) {
 		return {
 			ext: 'mts',

diff --git a/fixture/fixture.it b/fixture/fixture.it
diff --git a/fixture/fixture.s3m b/fixture/fixture.s3m
diff --git a/fixture/fixture.xm b/fixture/fixture.xm
diff --git a/package.json b/package.json
@@ -165,7 +165,10 @@
 		"arrow",
 		"shp",
 		"aac",
-		"mp1"
+		"mp1",
+		"it",
+		"s3m",
+		"xm"
 	],
 	"devDependencies": {
 		"@types/node": "^13.1.4",

diff --git a/readme.md b/readme.md
@@ -374,6 +374,9 @@ Returns a set of supported MIME types.
 - [`shp`](https://en.wikipedia.org/wiki/Shapefile) - Geospatial vector data format
 - [`arrow`](https://arrow.apache.org) - Columnar format for tables of data
 - [`aac`](https://en.wikipedia.org/wiki/Advanced_Audio_Coding) - Advanced Audio Coding
+- [`it`](https://wiki.openmpt.org/Manual:_Module_formats#The_Impulse_Tracker_format_.28.it.29) - Audio module format: Impulse Tracker
+- [`s3m`](https://wiki.openmpt.org/Manual:_Module_formats#The_ScreamTracker_3_format_.28.s3m.29) - Audio module format: ScreamTracker 3
+- [`xm`](https://wiki.openmpt.org/Manual:_Module_formats#The_FastTracker_2_format_.28.xm.29) - Audio module format: FastTracker 2
 
 
 

diff --git a/supported.js b/supported.js
@@ -122,7 +122,10 @@ module.exports = {
 		'arrow',
 		'shp',
 		'aac',
-		'mp1'
+		'mp1',
+		'it',
+		's3m',
+		'xm'
 	],
 	mimeTypes: [
 		'image/jpeg',
@@ -237,6 +240,9 @@ module.exports = {
 		'video/x-m4v',
 		'video/3gpp2',
 		'application/x-esri-shape',
-		'audio/aac'
+		'audio/aac',
+		'audio/x-it',
+		'audio/x-s3m',
+		'audio/x-xm'
 	]
 };