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
89 lines
2.8 KiB
JavaScript
89 lines
2.8 KiB
JavaScript
const fs = require("fs");
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const path = require("path");
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const https = require("https");
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const URL = require("url").URL;
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const EventEmitter = require("events");
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const err = (msg) => new EventEmitter().emit("error", msg);
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/**
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* TinyPng 远程压缩 HTTPS 请求的配置生成方法
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*/
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function getAjaxOptions() {
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return {
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method: "POST",
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hostname: "tinypng.com",
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path: "/web/shrink",
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headers: {
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rejectUnauthorized: false,
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"X-Forwarded-For": Array(4)
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.fill(1)
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.map(() => parseInt(Math.random() * 254 + 1))
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.join("."),
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"Postman-Token": Date.now(),
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"Cache-Control": "no-cache",
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"Content-Type": "application/x-www-form-urlencoded",
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"User-Agent":
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"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36"
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}
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};
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}
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/**
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* TinyPng 远程压缩 HTTPS 请求
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* @param {string} img 待处理的文件
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* @success {
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* "input": { "size": 887, "type": "image/png" },
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* "output": { "size": 785, "type": "image/png", "width": 81, "height": 81, "ratio": 0.885, "url": "https://tinypng.com/web/output/7aztz90nq5p9545zch8gjzqg5ubdatd6" }
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* }
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* @error {"error": "Bad request", "message" : "Request is invalid"}
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*/
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function fileUpload(imgPath) {
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let req = https.request(getAjaxOptions(), (res) => {
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res.on("data", (buf) => {
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let obj = JSON.parse(buf.toString());
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if (obj.error)
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console.log(`压缩失败！\n 当前文件：${imgPath} \n ${obj.message}`);
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else fileUpdate(imgPath, obj);
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});
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});
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req.write(fs.readFileSync(imgPath), "binary");
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req.on("error", (e) =>
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console.log(`请求错误! 当前文件：${path.basename(imgPath)} \n`, e)
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);
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req.end();
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}
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// 该方法被循环调用,请求图片数据
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function fileUpdate(entryImgPath, obj) {
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let options = new URL(obj.output.url);
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let req = https.request(options, (res) => {
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let body = "";
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res.setEncoding("binary");
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res.on("data", (data) => (body += data));
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res.on("end", () => {
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fs.writeFile(entryImgPath, body, "binary", (err) => {
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if (err) return console.error(err);
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let log = `压缩成功:`;
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log += `${path.basename(entryImgPath)}、压缩率:${ ((1 - obj.output.ratio) * 100).toFixed(2) }%、压缩前后大小:${(obj.output.size / 1024).toFixed(2)} / ${(obj.input.size / 1024).toFixed(2)}`
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console.log(log);
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});
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});
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});
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req.on("error", (e) => console.warn('压缩失败:',path.basename(entryImgPath) ,e));
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req.end();
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}
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module.exports = {
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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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for (let i = 0; i < arrList.length; i++) {
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const imgPath = arrList[i];
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fileUpload(imgPath);
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}
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}
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} |