translations.js

const { readFileSync, readdirSync, writeFileSync } = require("fs");
const { execSync } = require("child_process");
const { resolve, join } = require("path");

const file = readFileSync("./assets/Script/Languages/en.ts", {
    encoding: "utf8",
})
    .replace("export const EN =", "")
    .replace("};", "}");
const en = eval(`(${file})`);

function getAllFiles(dir) {
    const paths = readdirSync(dir, { withFileTypes: true });
    const files = paths.map((dirent) => {
        const res = resolve(dir, dirent.name);
        return dirent.isDirectory() ? getAllFiles(res) : res;
    });
    return files.flat();
}

const sourceFiles = getAllFiles(join(__dirname, "assets", "Script"))
    .filter((f) => f.endsWith(".ts") && !f.endsWith(".d.ts") && !f.includes("/Languages/"))
    .map((f) => readFileSync(f, { encoding: "utf8" }))
    .join()
    .replace(/\s+/g, "");

function isWhitelisted(key) {
    return (
        key.startsWith("InputStrategy") ||
        key.startsWith("ConstructionStatus") ||
        key.startsWith("MarketNewsFilter") ||
        key.startsWith("PanelPosition")
    );
}

Object.keys(en).forEach((key) => {
    if (!sourceFiles.includes(`t("${key}`) && !sourceFiles.includes(`.${key}`) && !isWhitelisted(key)) {
        console.log(`Translation not used: ${key}`);
    }
});

readdirSync("./assets/Script/Languages/").forEach((fileName) => {
    if (!fileName.endsWith(".ts") || fileName.startsWith("en.ts")) {
        return;
    }
    const variableName = fileName.replace(".ts", "").replace("-", "_").toUpperCase();
    const filePath = `./assets/Script/Languages/${fileName}`;
    const file = readFileSync(filePath, { encoding: "utf8" })
        .replace(`export const ${variableName} =`, "")
        .replace("};", "}");
    const language = eval(`(${file})`);
    const result = {};
    Object.keys(en).forEach((k) => {
        if (language[k]) {
            result[k] = language[k];
        } else {
            result[k] = en[k];
        }
    });
    writeFileSync(filePath, `export const ${variableName} = ${JSON.stringify(result, null, 2)};`);
});

execSync("npx prettier --write ./assets/Script/Languages/*.ts --config .prettierrc.json", { encoding: "utf8" });

console.log("Translation has successfully updated!");