Installation

npm i image-handler

Usage

import imgHandler from 'image-handler'
 
imgHandler.compressImage(file, quality, maxSize)

Params descript

Params	Type	Description
file	Object	File Object
quality	Number	The quality of compressing（between 0 - 1）, default 0.5
maxSize	Number	if the size of file larger than maxSize, handle to compress, default 400*1024 （400kb）

Callback description

return a Promise Object

<Promise>.then((file) => {
 
 // file: after compressing file object
 
})

import imgHandler from 'image-handler'
 
imgHandler.fileToUrl(file)

Params descript

Params	Type	Description
file	Object	File Object

Callback description

return a local file url

// example: blob:null/34fd9c5a-fe01-4811-8154-e91858e323c9
 
<img src="blob:null/34fd9c5a-fe01-4811-8154-e91858e323c9">