use https://github.com/nunocoracao/blowfish.git

themes/blowfish/genLangLinks.js

@@ -0,0 +1,66 @@
+const fs = require('fs');
+
+const configDir = "./exampleSite/config/_default";
+const contentDir = "./exampleSite/content";
+const defaultLang = "en";
+
+var targetLangs = []
+
+function readConfigs() {
+    const files = fs.readdirSync(configDir);
+    files.forEach(file => {
+        console.log(file)
+        if(file.indexOf("languages.") > -1) {
+            var lang = file.split(".")[1];
+            console.log(lang)
+            if(lang != defaultLang) {
+                targetLangs.push(lang);
+            }
+        }
+    });
+}
+
+async function processFile(filePath, file) {
+    if (filePath.indexOf("index.md") > -1) {
+
+        console.log("processing", filePath)
+        
+        for(var i in targetLangs) {
+            const targetLang = targetLangs[i];
+            var targetFilePath = filePath.replace(".md", "." + targetLang + ".md");
+            //var targetFileName = file.replace(".md", "." + targetLang + ".md");
+
+            if(fs.existsSync(targetFilePath)) {
+                console.log("file already exists", targetFilePath);
+            }else{
+                console.log("creating file", targetFilePath);
+                //fs.symlinkSync(file, targetFilePath, 'junction');
+                fs.copyFileSync(filePath, targetFilePath);
+            }
+        }
+
+    } else
+        return
+}
+
+async function processFolder(folderPath) {
+    const files = fs.readdirSync(folderPath);
+
+    for (var i in files) {
+        const file = files[i];
+        const filePath = `${folderPath}/${file}`;
+        const isDir = fs.lstatSync(filePath).isDirectory();
+        if (isDir) {
+            await processFolder(filePath);
+        } else {
+            await processFile(filePath, file);
+        }
+    }
+}
+
+async function createLinks() {
+    processFolder(contentDir);
+}
+
+readConfigs();
+createLinks();