487c68994d
feat: add cocos-service configuration file feat: add device configuration file feat: add engine configuration file feat: add information configuration file feat: add program configuration file feat: add project configuration file feat: add TypeScript configuration file
78 lines
2.2 KiB
JavaScript
78 lines
2.2 KiB
JavaScript
let Path = require('path')
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let Fs = require('fs');
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let imageminApi = require('../lib/imagemin.min')
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let packageCfg = require('../package.json')
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module.exports = {
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async getZipRate(){
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let rate = parseInt(await Editor.Profile.getConfig(packageCfg.name,'zipRate')) || 30;
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if(rate<0){
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rate = 1;
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}else if(rate>100){
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rate = 100
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}
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return rate;
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},
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/**
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* 调用压缩工具api
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* @param {Array<{file:string,uuid:string}>} fileInfo
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*/
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async compressPicture(arrList,imageFileList){
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let rate = await this.getZipRate();
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let pngRate = rate*0.01;
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console.log("压缩值:",rate+"%");
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imageminApi.imagemin(arrList, {
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plugins: [
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imageminApi.imageminMozjpeg({ quality: rate }), //压缩质量（0,1）
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imageminApi.imageminPngquant({
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quality: [pngRate, Math.min(pngRate+0.25,1)] //压缩质量（0,1）
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})
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]
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}).then((arrRes) => {
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console.log("压缩成功,详情:\n")
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for (let i = 0; i < arrRes.length; i++) {
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const res = arrRes[i];
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this.onCompressedSucceed(imageFileList,res)
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}
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}).catch(err => {
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console.log("压缩失败:",err)
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});
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},
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/**
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* 压缩成功
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* @param {Array<{file:string,uuid:string,size:number}>} imageFileList
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* @param {Object<{data:Buffer,sourcePath:string}>} res
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*/
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onCompressedSucceed(imageFileList,res){
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let desc = ""
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for (let i = 0; i < imageFileList.length; i++) {
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const fileInfo = imageFileList[i];
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if(fileInfo.file.replace(/\\/g,'/') == res.sourcePath){
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const fileName = Path.basename(fileInfo.file);
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const newSize = res.data.byteLength;
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const rate = (fileInfo.size-newSize)/fileInfo.size;
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const oldMb = (fileInfo.size / 1024).toFixed(1) + " KB";
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const newMb = (newSize / 1024).toFixed(1) + " KB";
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if(newSize < fileInfo.size){
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Fs.writeFileSync(res.sourcePath, res.data)
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desc += `${fileName}、压缩率:${parseInt(rate*100)}%、压缩前后大小:${newMb} / ${oldMb}`
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}else{
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desc += `${fileName}、无法继续压缩`
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}
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break;
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}
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}
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console.log(desc);
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},
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}
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