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EpicNext-Cms/src/actions/translations.ts
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TypeScript

"use server";
import fs from "node:fs/promises";
import path from "node:path";
import JSON5 from "json5";
import { z } from "zod";
import { CLIENT_TRANSLATION_FILES, getClientTranslationFile } from "@/lib/client-translation-files";
import { patchJson5 } from "@/lib/json5-patch";
import { adminAction } from "@/lib/safe-action";
import { ActionError, actionOk } from "@/lib/safe-action-shared";
const saveTranslationsSchema = z.object({
locale: z.enum(["en", "it"]),
data: z.record(z.string(), z.unknown()),
});
export const saveTranslations = adminAction({ schema: saveTranslationsSchema }, async (ctx) => {
if (ctx.session.user.rank < 7) throw new ActionError("Forbidden");
const filePath = path.join(process.cwd(), "messages", `${ctx.data.locale}.json`);
await fs.writeFile(filePath, JSON.stringify(ctx.data.data, null, 2), "utf-8");
return actionOk();
});
const saveClientTranslationsSchema = z.object({
fileId: z.enum(CLIENT_TRANSLATION_FILES.map((f) => f.id) as [string, ...string[]]),
data: z.record(z.string(), z.string()),
});
export const saveClientTranslations = adminAction({ schema: saveClientTranslationsSchema }, async (ctx) => {
if (ctx.session.user.rank < 7) throw new ActionError("Forbidden");
const file = getClientTranslationFile(ctx.data.fileId);
if (!file) throw new ActionError("Unknown file");
if (file.readOnly) throw new ActionError("File is read-only");
// file.relPath comes from CLIENT_TRANSLATION_FILES (closed enum) but
// Turbopack's static tracer can't prove that — without the hint it
// pulls the entire project into the NFT list.
const absPath = path.join(/*turbopackIgnore: true*/ process.cwd(), file.relPath);
const raw = await fs.readFile(absPath, "utf-8");
if (file.format === "json") {
// Plain JSON — no comments to preserve, just round-trip.
await fs.writeFile(absPath, JSON.stringify(ctx.data.data, null, 4), "utf-8");
return actionOk({ commentsLost: false, unpatchedKeys: [] as string[] });
}
// JSON5: surgical line-level patch keeps headers and section comments
// intact. Falls back to a full re-serialization (which DOES drop comments)
// only when an edited key cannot be located via the patch contract.
const original: Record<string, string> = {};
const parsed = JSON5.parse(raw);
if (parsed && typeof parsed === "object" && !Array.isArray(parsed)) {
for (const [k, v] of Object.entries(parsed)) {
original[k] = v == null ? "" : String(v);
}
}
const { content, unpatchedKeys } = patchJson5(raw, original, ctx.data.data);
if (unpatchedKeys.length === 0) {
await fs.writeFile(absPath, content, "utf-8");
return actionOk({ commentsLost: false, unpatchedKeys });
}
// At least one key could not be patched surgically (e.g. unusual
// formatting or a brand-new key). Fall back to a full re-serialization
// and warn the caller that comments were lost.
await fs.writeFile(absPath, JSON5.stringify(ctx.data.data, null, 4), "utf-8");
return actionOk({ commentsLost: true, unpatchedKeys });
});