1 files changed, 103 insertions, 0 deletions
diff --git a/extra/update-language-files/index.js b/extra/update-language-files/index.js
new file mode 100644
index 0000000..acb6bd4
--- /dev/null
+++ b/extra/update-language-files/index.js
@@ -0,0 +1,103 @@
+// Need to use ES6 to read language files
+
+import fs from "fs";
+import util from "util";
+
+/**
+ * Copy across the required language files
+ * Creates a local directory (./languages) and copies the required files
+ * into it.
+ * @param {string} langCode Code of language to update. A file will be
+ * created with this code if one does not already exist
+ * @param {string} baseLang The second base language file to copy. This
+ * will be ignored if set to "en" as en.js is copied by default
+ * @returns {void}
+ */
+function copyFiles(langCode, baseLang) {
+    if (fs.existsSync("./languages")) {
+        fs.rmSync("./languages", {
+            recursive: true,
+            force: true,
+        });
+    }
+    fs.mkdirSync("./languages");
+
+    if (!fs.existsSync(`../../src/languages/${langCode}.js`)) {
+        fs.closeSync(fs.openSync(`./languages/${langCode}.js`, "a"));
+    } else {
+        fs.copyFileSync(`../../src/languages/${langCode}.js`, `./languages/${langCode}.js`);
+    }
+    fs.copyFileSync("../../src/languages/en.js", "./languages/en.js");
+    if (baseLang !== "en") {
+        fs.copyFileSync(`../../src/languages/${baseLang}.js`, `./languages/${baseLang}.js`);
+    }
+}
+
+/**
+ * Update the specified language file
+ * @param {string} langCode Language code to update
+ * @param {string} baseLangCode Second language to copy keys from
+ * @returns {void}
+ */
+async function updateLanguage(langCode, baseLangCode) {
+    const en = (await import("./languages/en.js")).default;
+    const baseLang = (await import(`./languages/${baseLangCode}.js`)).default;
+
+    let file = langCode + ".js";
+    console.log("Processing " + file);
+    const lang = await import("./languages/" + file);
+
+    let obj;
+
+    if (lang.default) {
+        obj = lang.default;
+    } else {
+        console.log("Empty file");
+        obj = {
+            languageName: "<Your Language name in your language (not in English)>"
+        };
+    }
+
+    // En first
+    for (const key in en) {
+        if (! obj[key]) {
+            obj[key] = en[key];
+        }
+    }
+
+    if (baseLang !== en) {
+        // Base second
+        for (const key in baseLang) {
+            if (! obj[key]) {
+                obj[key] = key;
+            }
+        }
+    }
+
+    const code = "export default " + util.inspect(obj, {
+        depth: null,
+    });
+
+    fs.writeFileSync(`../../src/languages/${file}`, code);
+}
+
+// Get command line arguments
+const baseLangCode = process.env.npm_config_baselang || "en";
+const langCode = process.env.npm_config_language;
+
+// We need the file to edit
+if (langCode == null) {
+    throw new Error("Argument --language=<code> must be provided");
+}
+
+console.log("Base Lang: " + baseLangCode);
+console.log("Updating: " + langCode);
+
+copyFiles(langCode, baseLangCode);
+await updateLanguage(langCode, baseLangCode);
+fs.rmSync("./languages", {
+    recursive: true,
+    force: true,
+});
+
+console.log("Done. Fixing formatting by ESLint...");