file-type - npm Package Compare versions

Comparing version 16.1.0 to 16.2.0

core.d.ts

@@ -139,3 +139,4 @@ /// <reference types="node"/>
 		| 'stl'
-		| 'chm';
+		| 'chm'
+		| '3mf';
 
@@ -270,3 +271,4 @@ type MimeType =
 		| 'model/stl'
-		| 'application/vnd.ms-htmlhelp';
+		| 'application/vnd.ms-htmlhelp'
+		| 'model/3mf';
 
@@ -273,0 +275,0 @@ interface FileTypeResult {

core.js

@@ -58,11 +58,2 @@ 'use strict';
 
-async function _checkSequence(sequence, tokenizer, ignoreBytes) {
-	const buffer = Buffer.alloc(minimumBytes);
-	await tokenizer.ignore(ignoreBytes);
-
-	await tokenizer.peekBuffer(buffer, {mayBeLess: true});
-
-	return buffer.includes(Buffer.from(sequence));
-}
-
 async function fromTokenizer(tokenizer) {
@@ -83,3 +74,2 @@ try {
 	const checkString = (header, options) => check(stringToBytes(header), options);
-	const checkSequence = (sequence, ignoreBytes) => _checkSequence(sequence, tokenizer, ignoreBytes);
 
@@ -323,2 +313,9 @@ // Keep reading until EOF if the file size is unknown.
 
+				if (zipHeader.filename.startsWith('3D/') && zipHeader.filename.endsWith('.model')) {
+					return {
+						ext: '3mf',
+						mime: 'model/3mf'
+					};
+				}
+
 				// The docx, xlsx and pptx file types extend the Office Open XML file format:
@@ -595,5 +592,9 @@ // https://en.wikipedia.org/wiki/Office_Open_XML_file_formats
 	if (checkString('%PDF')) {
+		await tokenizer.ignore(1350);
+		const maxBufferSize = 10 * 1024 * 1024;
+		const buffer = Buffer.alloc(Math.min(maxBufferSize, tokenizer.fileInfo.size));
+		await tokenizer.readBuffer(buffer, {mayBeLess: true});
+
 		// Check if this is an Adobe Illustrator file
-		const isAiFile = await checkSequence('Adobe Illustrator', 1350);
-		if (isAiFile) {
+		if (buffer.includes(Buffer.from('AIPrivateData'))) {
 			return {
@@ -600,0 +601,0 @@ ext: 'ai',

package.json

 {
 	"name": "file-type",
-	"version": "16.1.0",
+	"version": "16.2.0",
 	"description": "Detect the file type of a Buffer/Uint8Array/ArrayBuffer",
@@ -183,3 +183,4 @@ "license": "MIT",
 		"stl",
-		"chm"
+		"chm",
+		"3mf"
 	],
@@ -186,0 +187,0 @@ "devDependencies": {

readme.md

@@ -408,2 +408,3 @@ # file-type
 - [`chm`](https://en.wikipedia.org/wiki/Microsoft_Compiled_HTML_Help) - Microsoft Compiled HTML Help
+- [`3mf`](https://en.wikipedia.org/wiki/3D_Manufacturing_Format) - 3D Manufacturing Format
 
@@ -410,0 +411,0 @@ *Pull requests are welcome for additional commonly used file types.*

supported.js

@@ -137,3 +137,4 @@ 'use strict';
 		'stl',
-		'chm'
+		'chm',
+		'3mf'
 	],
@@ -268,4 +269,5 @@ mimeTypes: [
 		'model/stl',
-		'application/vnd.ms-htmlhelp'
+		'application/vnd.ms-htmlhelp',
+		'model/3mf'
 	]
 };

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Improved metrics

Total package byte prevSize

73534

increased by0.19%

Lines of code

2024

increased by0.3%

Number of lines in readme file

437

increased by0.23%

No dependency changes