包详细信息

imagemin-jpeg-recompress

imagemin16.8kMIT7.1.0

jpeg-recompress imagemin plugin

compress, image, imageminplugin, img

自述文件

imagemin-jpeg-recompress

jpeg-recompress imagemin plugin

Install

$ npm install --save imagemin-jpeg-recompress

Usage

const imagemin = require('imagemin');
const imageminJpegRecompress = require('imagemin-jpeg-recompress');

(async () => {
    await imagemin(['images/*.jpg'], {
        destination: 'build/images',
        plugins: [
            imageminJpegRecompress()
        ]
    });

    console.log('Images optimized');
})();

API

imageminJpegRecompress(options?)(buffer)

options

accurate

Type: boolean\ Default: false

Favor accuracy over speed.

quality

Type: string\ Default: medium

Set a quality preset. Available presets: low, medium, high and veryhigh.

method

Type: string\ Default: ssim

Set comparison method. Available methods: mpe, ssim, ms-ssim and smallfry.

target

Type: number\ Default: 0.9999

Set target quality.

min

Type: number\ Default: 40

Minimum JPEG quality.

max

Type: number\ Default: 95

Maximum JPEG quality.

loops

Type: number\ Default: 6

Set the number of attempts.

defish

Type: number\ Default: 0

Set defish strength.

progressive

Type: boolean\ Default: true

Enable progressive encoding.

subsample

Type: string\ Default: default

Set subsampling method. Available values: default, disable.

strip

Type: boolean\ Default: true

Strips metadata, such as EXIF data.

buffer

Type: buffer

Buffer to optimize.