WebP plugin for imagemin
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readme.md

imagemin-webp Build Status Build status

WebP imagemin plugin

Install

$ npm install imagemin-webp

Usage

const imagemin = require('imagemin');
const imageminWebp = require('imagemin-webp');

imagemin(['images/*.{jpg,png}'], 'build/images', {
	use: [
		imageminWebp({quality: 50})
	]
}).then(() => {
	console.log('Images optimized');
});

API

imageminWebp([options])(buffer)

options

Type: Object

preset

Type: string
Default: default

Preset setting, one of default, photo, picture, drawing, icon and text.

quality

Type: number
Default: 75

Set quality factor between 0 and 100.

alphaQuality

Type: number
Default: 100

Set transparency-compression quality between 0 and 100.

method

Type: number
Default: 4

Specify the compression method to use, between 0 (fastest) and 6 (slowest). This parameter controls the trade off between encoding speed and the compressed file size and quality.

size

Type: number

Set target size in bytes.

sns

Type: number
Default: 80

Set the amplitude of spatial noise shaping between 0 and 100.

filter

Type: number

Set deblocking filter strength between 0 (off) and 100.

autoFilter

Type: boolean
Default: false

Adjust filter strength automatically.

sharpness

Type: number
Default: 0

Set filter sharpness between 0 (sharpest) and 7 (least sharp).

lossless

Type: boolean
Default: false

Encode images losslessly.

nearLossless

Type: number
Default: 100

Encode losslessly with an additional lossy pre-processing step, with a quality factor between 0 (maximum pre-processing) and 100 (same as lossless).

crop

Type: Object { x: number, y: number, width: number, height: number }

Crop the image.

resize

Type: Object { width: number, height: number }

Resize the image. Happens after crop.

buffer

Type: Buffer

Buffer to optimize.

License

MIT © Imagemin