file-type - npm Package Compare versions

Comparing version 14.0.0 to 14.1.0

core.d.ts

@@ -130,3 +130,4 @@ /// <reference types="node"/>
 		| 's3m'
-		| 'xm';
+		| 'xm'
+		| 'ai';
 
@@ -249,3 +250,5 @@ type MimeType =
 		| 'audio/x-s3m'
-		| 'audio/x-xm';
+		| 'audio/x-xm'
+		| 'video/MP1S'
+		| 'video/MP2P';
 
@@ -252,0 +255,0 @@ interface FileTypeResult {

core.js

@@ -59,2 +59,11 @@ 'use strict';
 
+async function _checkSequence(sequence, tokenizer, ignoreBytes) {
+	const buffer = Buffer.alloc(minimumBytes);
+	await tokenizer.ignore(ignoreBytes);
+
+	await tokenizer.peekBuffer(buffer, {length: 512, mayBeLess: true});
+
+	return buffer.includes(Buffer.from(sequence));
+}
+
 async function fromTokenizer(tokenizer) {
@@ -75,2 +84,3 @@ try {
 	const checkString = (header, options) => check(stringToBytes(header), options);
+	const checkSequence = (sequence, ignoreBytes) => _checkSequence(sequence, tokenizer, ignoreBytes);
 
@@ -553,2 +563,12 @@ // Keep reading until EOF if the file size is unknown.
 	if (checkString('%PDF')) {
+		// Check if this is an Adobe Illustrator file
+		const isAiFile = await checkSequence('Adobe Illustrator', 1350);
+		if (isAiFile) {
+			return {
+				ext: 'ai',
+				mime: 'application/postscript'
+			};
+		}
+
+		// Assume this is just a normal PDF
 		return {
@@ -789,2 +809,21 @@ ext: 'pdf',
 
+	// MPEG program stream (PS or MPEG-PS)
+	if (check([0x00, 0x00, 0x01, 0xBA])) {
+		//  MPEG-PS, MPEG-1 Part 1
+		if (check([0x21], {offset: 4, mask: [0xF1]})) {
+			return {
+				ext: 'mpg', // May also be .ps, .mpeg
+				mime: 'video/MP1S'
+			};
+		}
+
+		// MPEG-PS, MPEG-2 Part 1
+		if (check([0x44], {offset: 4, mask: [0xC4]})) {
+			return {
+				ext: 'mpg', // May also be .mpg, .m2p, .vob or .sub
+				mime: 'video/MP2P'
+			};
+		}
+	}
+
 	// -- 6-byte signatures --
@@ -791,0 +830,0 @@

package.json

 {
 	"name": "file-type",
-	"version": "14.0.0",
+	"version": "14.1.0",
 	"description": "Detect the file type of a Buffer/Uint8Array/ArrayBuffer",
@@ -173,3 +173,4 @@ "license": "MIT",
 		"s3m",
-		"xm"
+		"xm",
+		"ai"
 	],
@@ -176,0 +177,0 @@ "devDependencies": {

readme.md

@@ -372,2 +372,3 @@ # file-type [![Build Status](https://travis-ci.org/sindresorhus/file-type.svg?branch=master)](https://travis-ci.org/sindresorhus/file-type)
 - [`xm`](https://wiki.openmpt.org/Manual:_Module_formats#The_FastTracker_2_format_.28.xm.29) - Audio module format: FastTracker 2
+- [`ai`](https://en.wikipedia.org/wiki/Adobe_Illustrator_Artwork) - Adobe Illustrator Artwork
 
@@ -374,0 +375,0 @@ *Pull requests are welcome for additional commonly used file types.*

supported.js

@@ -128,3 +128,4 @@ 'use strict';
 		's3m',
-		'xm'
+		'xm',
+		'ai'
 	],
@@ -247,4 +248,6 @@ mimeTypes: [
 		'audio/x-s3m',
-		'audio/x-xm'
+		'audio/x-xm',
+		'video/MP1S',
+		'video/MP2P'
 	]
 };

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Found 1 instance in 1 package

Fixed alerts

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Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

68667

increased by1.82%

Lines of code

1898

increased by2.1%

Number of lines in readme file

399

increased by0.25%

No dependency changes