handy-img

handy img tool and API

Install

$ npm i -S handy-img

cli

just type himg or handy-img

$ himg
himg <命令>

命令：
  himg compress <file>  compress file                               [aliases: c]
  himg info <file>      show info for file                          [aliases: i]

选项：
  --version  显示版本号                                                   [布尔]
  --help     显示帮助信息                                                 [布尔]

缺少 non-option 参数：传入了 0 个, 至少需要 1 个

API

const himg = require('handy-img')

metadata(input) -> Promise<Object>

• use sharp extract img metadata
• input can be String filepath or Buffer buf

decode(input) -> Promise<ImageDataLike>

• use sharp decode img
• input can be String filepath or Buffer buf
• ImageDataLike has signature

type ImageDataLike = {
  data: Uint8Array
  width: number
  height: number
}

mozjpegEncode

function mozjpegEncode(
  data: Uint8Array,
  width: number,
  height: number,
  options: Object
): Promise<Buffer>

encode the ImageData to compressed jpeg buffer

mozjpegCompress

type Input = string | Buffer
function mozjpegCompress(input: Input, options: Object): Promise<Buffer>

use mozjpeg to compress file

Changelog

CHANGELOG.md

License

the MIT License http://magicdawn.mit-license.org