Multer media

Installation

``bash
$ yarn add multer-media
`

Usage

`javascript
const upload = multer({
storage: multerMedia({
algorithm: 'md5',

destination: (
req: ExpressRequest,
file: Express.Multer.File,
callback: (error: Error | null, path: string) => void,
) => {
callback(null, '/tmp/my-uploads');
},

filename: (
req: ExpressRequest,
file: Express.Multer.File,
callback: (error: Error | null, path: string) => void,
) => {
const uniqueSuffix = Date.now() + '-' + Math.round(Math.random() * 1E9)
callback(null, file.fieldname + '-' + uniqueSuffix);
},

/**
* A function that will be executed on start
*
* @param req The Express Request object.
* @param file Object containing information about the processed file.
* @param src Stream Readable
*/
start?: (
req: Request,
file: Express.Multer.File,
outStream?: stream.Writable,
chunk?: any,
encoding?: BufferEncoding,
) => {},

/**
* A function that will be executed on write events
*
* @param req The Express Request object.
* @param file Object containing information about the processed file.
* @param src Stream Readable
*/
write?: (
req: Request,
file: Express.Multer.File,
outStream?: stream.Writable,
chunk?: any,
encoding?: BufferEncoding,
) => {},

/**
* A function that will be executed on write events
*
* @param req The Express Request object.
* @param file Object containing information about the processed file.
* @param src Stream Readable
*/
finish?: (
req: Request,
file: Express.Multer.File,
outStream?: stream.Writable,
chunk?: any,
encoding?: BufferEncoding,
) => {},
}),
});
`

API

$3

Each file contains the following information:

Key | Type | Description
--- | --- | ---
fieldname | string | Field name specified in the form |
originalname | string | Name of the file on the user's computer |
encoding | string | Encoding type of the file |
mimetype | string | Mime type of the file |
size | number | Size of the file in bytes |
destination | string | The folder to which the file has been saved |
filename | string | The name of the file within the destination
path | string | The full path to the uploaded file
hash | string | Hash with algorithm the file
media` | FfprobeData | Media probe of this file, using ffmpeg-static