get-typeandmime v1.0.20
get-typeandmime
Detect the File type of a Buffer/Uint8Array/ArrayBuffer
The file type is detected by checking the magic number of the buffer.
This package is for detecting binary-based file formats, not text-based formats like .txt
, .csv
, .svg
, etc.
Install
npm i get-typeandmime
This package is a ES5 module package.But can be used with both ES5 and ES6 as well
Usage
Node.js
Determine file type from a file:
const {getFileType} = require("get-typeandmime")
const file = "../.path/file.extension"
console.log(getFileType(file));
Determine file type from a Buffer, which may be a portion of the beginning of a file:
This can also be used to read from a remote location:
const {getStreamFileType} = require("get-typeandmime")
const remoteFile = "https://static.remove.bg/sample-gallery/graphics/bird-thumbnail.jpg";
(async()=>{
console.log("Remote File Type:",await getStreamFileType(remoteFile));
})()
signs
- Buffer code of supported file typesmime
- The MIME type
Or Unsupported file type
when there is no match.
buffer
Type: Buffer | Uint8Array | ArrayBuffer
A buffer representing file data. It works best if the buffer contains the entire file. It may work with a smaller portion as well.
filePath
file: string
The file path to parse.
Contributions
Pull requests are welcome for additional commonly used file types.
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