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

themes/blowfish/genArticle.js

@@ -0,0 +1,63 @@
+const fs = require('fs');
+const translate = require('@iamtraction/google-translate');
+
+const defaultLang = "en";
+const targetLang = process.argv[2] || "en";
+const filePath = process.argv[3];
+const targetLangIso = targetLang == "pt" ? "pt-pt" : targetLang;
+const targetFilePath = filePath.replace(".md", "." + targetLangIso + ".md");
+
+async function convert(text, from, to) {
+    var options = {
+        from: from,
+        to: to
+    };
+    var translated_text = await translate(text, options);
+    return translated_text.text;
+}
+
+console.log(filePath);
+console.log(targetFilePath);
+
+async function processFrontMatter(block) {
+    var array = block.split("\n");
+    var translatedBlock = "";
+    for (var i = 0; i < array.length; i++) {
+        if (array[i].indexOf(":") > -1) {
+            var elements = array[i].split(":");
+            var newElement = "";
+            if (elements[0] == "title" ||
+                elements[0] == "description" ||
+                elements[0] == "summary" ||
+                elements[0] == "description" ||
+                elements[0] == "categories" ||
+                elements[0] == "tags") {
+                var translatedElement = elements[1] ? await convert(elements[1], defaultLang, targetLang) : elements[1];
+                newElement = elements[0] + ": " + translatedElement;
+            } else {
+                newElement = array[i];
+            }
+        } else {
+            newElement = array[i];
+        }
+        translatedBlock += newElement + "\n";
+    }
+    return translatedBlock;
+}
+
+
+async function main() {
+    const fileContent = fs.readFileSync(filePath, 'utf8');
+
+    var array = fileContent.split("---\n")
+    var frontMatter = array[1];
+    var content = array[2];
+
+    var translatedFrontMatter = await processFrontMatter(frontMatter);
+    var translatedContent = await convert(content, defaultLang, targetLang);
+
+    var newFileContent = "---\n" + translatedFrontMatter + "---\n" + translatedContent;
+    fs.writeFileSync(targetFilePath, newFileContent, 'utf8');
+}
+
+main();