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一个有点2的基于tinypng图片压缩服务的图片压缩工具;只支持png、JPEG格式图片,无需api key

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@weivea/tinypng2

一个有点2的基于tinypng图片压缩服务的图片压缩工具;只支持png、JPEG格式图片,

重要的事情说三遍 无需api key 无需api key 无需api key

稳定性依赖于当前网络环境访问 https://tinypng.com/ 的性能

勉强能用~ 不要声张~

ps: 基于网络,无网络时无法使用

require

node version >=12.4.0

Install

npm install -g @weivea/tinypng2

Usage

cd dirOfImage #进入指定目录
tinypng2 *.(png|jpeg)

use it as a module

npm install @weivea/tinypng2 --save

const tinyPng = require('@weivea/tinypng2')
const imgReadStream = fs.createReadStream(filePath)

tinyPng(imgReadStream).then((resultBuf)=>{
  // resultBuf 压缩后得图片,Buffer
})

// 用完后记得调用; tinyPng.close(),  tinyPng起了一个子进程来对 tinypng网站做爬虫
tinyPng.close()

ps: 只适用于单线程调用, tinyPng不能同时发起俩, 得在then回调之后再发起下一个,如下

run(imagePaths).then(()=>{
  console.log('done')
  tinyPng.close();
}).catch((er)=>{
  console.error('run Error:', er)
  tinyPng.close();
})

async function run(filePaths) {
  const len = filePaths.length
  for (let i=0; i<len; i++) {
    const filePath = filePaths[i]
    const imgReadStream = fs.createReadStream(filePath)
    console.log('compress:', filePath)
    const resultBuf = await tinyPng(imgReadStream)
    // console.log(resultBuf)
    const pathObj = path.parse(filePath);
    pathObj.name = pathObj.name + '_tiny'
    pathObj.base = ''
    const newPath = path.format(pathObj)
    // console.log(newPath)
    const wStream = fs.createWriteStream(newPath) 
    const pass = new PassThrough()
    pass.pipe(wStream)
    pass.end(resultBuf)
    console.log('compressed:', newPath)
  }
}

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一个有点2的基于tinypng图片压缩服务的图片压缩工具;只支持png、JPEG格式图片,无需api key

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