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compress-pictures

v1.0.5

Published

compress-pictures 是一款基于前端JavaScript图片压缩插件,默认以80%质量压缩。

Readme

compress-pictures 是什么

compress-pictures 是一款基于前端JavaScript图片压缩插件,默认以80%质量压缩。

compress-pictures 是基于原生 JS 实现的,不依赖任何框架。它编译压缩后是 2.55kb,gzip 后仅有 1.03kb,是一款非常轻量的 JS lib。

压缩逻辑

// 宽高均 <= 1280,图片尺寸大小保持不变
// 宽高均 > 1280 && 宽高比 > 2,
// ----宽大于高 取较小值(高)等于1280,较大值等比例压缩
// ----高大于宽 取较小值(宽)等于1280,较大值等比例压缩 (宽高比在0.5到2之间 )
// 宽或高 > 1280
// ----宽图 图片尺寸大小保持不变
// ----长图 图片尺寸大小保持不变
// 宽大于高 取较大值(宽)等于1280,较小值等比例压缩
// 高大于宽 取较大值(高)等于1280,较小值等比例压缩

起步

使用方法
// 安装
npm i compress-pictures -S

// 代码中的使用
let img = await tinypic(this.$refs.img) // 传入input DOM对象
默认返回值

compress-pictures 提供了一个默认的返回方式,具体如下:

{
  url: 图片blob地址,
  img: blob对象,
  info: {
    height: 高度,
    width: 宽度,
  },
}

Changelog

每次改动的详情参考发版日志.