chore: compress images

Author: willin

compress.js

@@ -4,32 +4,34 @@ const { execSync } = require("child_process");
 const path = require("path");
 const fs = require("fs");
 
-const numCPUs = cpus().length;
+const numCPUs = 1; //cpus().length;
+
+function compress(file, index) {
+  console.log(`${index}: Compressing ${file}`);
+  const statsOrigin = fs.statSync(file);
 
-function compress(file) {
-  console.log(`Compressing ${file}`);
   // 需要先安装 https://pngquant.org/ 命令行工具
+  execSync(`cp "${file}" "${file}.bak"`, { encoding: "utf-8" });
+  // execSync(`sips --resampleWidth 1920 "${file}"`, { encoding: "utf-8" });
   execSync(`pngquant "${file}"`, { encoding: "utf-8" });
-  const checkStats = execSync(`ls -l "${file}" | grep 'rwxr-xr-x'`, {
-    encoding: "utf-8"
-  });
-  const statsOrigin = fs.statSync(file);
+
   const statsCompress = fs.statSync(file.replace(".png", "-fs8.png"));
   if (statsOrigin.size > statsCompress.size) {
     execSync(`rm -rf "${file}"`);
     execSync(`mv "${file.replace(".png", "-fs8.png")}" "${file}"`);
-    if (checkStats.includes("rwxr-xr-x")) {
-      execSync(`chmod 755 "${file}"`);
-    }
+    execSync(`chmod 755 "${file}"`);
+    execSync(`rm -rf "${file}.bak"`);
   } else {
     execSync(`rm -rf "${file.replace(".png", "-fs8.png")}"`);
+    execSync(`rm -rf "${file}"`);
+    execSync(`mv "${file}.bak" "${file}"`);
   }
   execSync("sleep 0.2");
 }
 
 if (cluster.isMaster) {
   execSync(
-    'find . -name "*.png" -type f -size +500kb -not -path "./node_modules/*" -not -path "./docs/.vuepress/dist/*" -not -path "./.git/*" > temp.log'
+    'find ./docs -name "*.png" -type f -size +100kb -not -path "./node_modules/*" -not -path "./docs/.vuepress/dist/*" -not -path "./.git/*" > temp.log'
   );
   for (let i = 0; i < numCPUs; i += 1) {
     cluster.fork();
@@ -43,16 +45,13 @@ if (cluster.isMaster) {
     if ((i % numCPUs) + 1 !== +cluster.worker.id) {
       return;
     }
-    if (
-      !file ||
-      file.endsWith("/demo1-main.png") ||
-      file.endsWith("-fs8.png")
-    ) {
+    if (!file || file.endsWith("-fs8.png")) {
       return;
     }
     try {
-      compress(file);
+      compress(file, i);
     } catch (e) {
+      console.error(e);
       console.log(`Failed to compress ${file}`);
       execSync(`rm -rf "${file.replace(".png", "-fs8.png")}"`);
     }