// Coded entirely by ChatGPT
// :(
const express = require("express");
const fs = require("fs");
const parser = require("@babel/parser");
const traverse = require("@babel/traverse").default;
const generate = require("@babel/generator").default;
const t = require("@babel/types");
const app = express();
app.use(express.json());
const FILE = "../_data/i18n.js";
function loadAST() {
const code = fs.readFileSync(FILE, "utf8");
return parser.parse(code, { sourceType: "module" });
}
function extract(ast) {
const out = {};
traverse(ast, {
AssignmentExpression(path) {
if (
path.node.left.object?.name === "module" &&
path.node.left.property?.name === "exports"
) {
path.node.right.properties.forEach(langProp => {
const lang = langProp.key.name || langProp.key.value;
out[lang] = {};
langProp.value.properties.forEach(p => {
const key = p.key.name || p.key.value;
out[lang][key] = p.value.extra?.raw || generate(p.value).code;
});
});
}
}
});
return out;
}
function write(ast, newData) {
traverse(ast, {
AssignmentExpression(path) {
if (
path.node.left.object?.name === "module" &&
path.node.left.property?.name === "exports"
) {
path.node.right.properties.forEach(langProp => {
const lang = langProp.key.name || langProp.key.value;
const existingKeys = new Set(
langProp.value.properties.map(p => p.key.name || p.key.value)
);
// update existing
langProp.value.properties.forEach(p => {
const key = p.key.name || p.key.value;
if (key in (newData[lang] || {})) {
p.value = parser.parseExpression(newData[lang][key]);
}
});
// add new keys
Object.keys(newData[lang] || {}).forEach(key => {
if (!existingKeys.has(key)) {
langProp.value.properties.push(
t.objectProperty(
t.identifier(key),
parser.parseExpression(newData[lang][key])
)
);
}
});
});
}
}
});
const output = generate(ast, { retainLines: true }).code;
fs.writeFileSync(FILE, output);
}
app.get("/data", (req, res) => {
const ast = loadAST();
res.json(extract(ast));
});
app.post("/save", (req, res) => {
const ast = loadAST();
write(ast, req.body);
res.send("ok");
});
app.get("/", (req, res) => {
res.send(`
i18n Editor
`);
});
app.listen(3000,()=>console.log('http://localhost:3000'));