Add support for Apache Parquet

core.d.ts

@@ -143,7 +143,8 @@ export type FileExtension =
 	| 'vcf'
 	| 'jls'
 	| 'pst'
-	| 'dwg';
+	| 'dwg'
+	| 'parquet';
 
 export type MimeType =
 	| 'image/jpeg'
@@ -282,7 +283,8 @@ export type MimeType =
 	| 'application/zstd'
 	| 'image/jls'
 	| 'application/vnd.ms-outlook'
-	| 'image/vnd.dwg';
+	| 'image/vnd.dwg'
+	| 'application/x-parquet';
 
 export type FileTypeResult = {
 	/**

core.js

@@ -815,6 +815,13 @@ class FileTypeParser {
 			};
 		}
 
+		if (this.checkString('PAR1')) {
+			return {
+				ext: 'parquet',
+				mime: 'application/x-parquet',
+			};
+		}
+
 		// -- 5-byte signatures --
 
 		if (this.check([0x4F, 0x54, 0x54, 0x4F, 0x00])) {

package.json

@@ -196,7 +196,8 @@
 		"vcf",
 		"jls",
 		"pst",
-		"dwg"
+		"dwg",
+		"parquet"
 	],
 	"dependencies": {
 		"readable-web-to-node-stream": "^3.0.2",

readme.md

@@ -440,6 +440,7 @@ Returns a `Set<string>` of supported MIME types.
 - [`opus`](https://en.wikipedia.org/wiki/Opus_(audio_format)) - Audio file
 - [`orf`](https://en.wikipedia.org/wiki/ORF_format) - Olympus Raw image file
 - [`otf`](https://en.wikipedia.org/wiki/OpenType) - OpenType font
+- [`parquet`](https://en.wikipedia.org/wiki/Apache_Parquet) - Apache Parquet
 - [`pcap`](https://wiki.wireshark.org/Development/LibpcapFileFormat) - Libpcap File Format
 - [`pdf`](https://en.wikipedia.org/wiki/Portable_Document_Format) - Portable Document Format
 - [`pgp`](https://en.wikipedia.org/wiki/Pretty_Good_Privacy) - Pretty Good Privacy

supported.js

@@ -141,6 +141,7 @@ export const extensions = [
 	'jls',
 	'pst',
 	'dwg',
+	'parquet',
 ];
 
 export const mimeTypes = [
@@ -281,4 +282,5 @@ export const mimeTypes = [
 	'image/jls',
 	'application/vnd.ms-outlook',
 	'image/vnd.dwg',
+	'application/x-parquet',
 ];