feat: add settings menu

plugins/i18nextTypesPlugin.ts

@@ -0,0 +1,97 @@
+import { readFileSync, readdirSync, writeFileSync } from "node:fs";
+import { join, resolve } from "node:path";
+import { normalizePath } from "vite";
+import type { Plugin, ResolvedConfig } from "vite";
+
+interface Options {
+  sourceDir: string;
+  destination: string;
+}
+
+type JsonValue = string | number | boolean | null | JsonObject | JsonValue[];
+type JsonObject = { [key: string]: JsonValue };
+
+function flattenKeys(obj: JsonObject, prefix: string, result: Map<string, Set<string>>): void {
+  for (const [key, value] of Object.entries(obj)) {
+    const fullKey = prefix ? `${prefix}.${key}` : key;
+    if (value !== null && typeof value === "object" && !Array.isArray(value)) {
+      flattenKeys(value as JsonObject, fullKey, result);
+    } else if (typeof value === "string") {
+      if (!result.has(fullKey)) {
+        result.set(fullKey, new Set());
+      }
+      result.get(fullKey)!.add(value);
+    }
+  }
+}
+
+function generateTypes(sourceDir: string, destination: string): void {
+  const files = readdirSync(sourceDir).filter((f) => f.endsWith(".json"));
+
+  const keyValues = new Map<string, Set<string>>();
+
+  for (const file of files) {
+    const content = JSON.parse(readFileSync(join(sourceDir, file), "utf-8")) as JsonObject;
+
+    flattenKeys(content, "", keyValues);
+  }
+
+  const sortedKeys = Array.from(keyValues.keys()).sort();
+
+  const lines: string[] = [
+    "// Auto-generated by i18nextTypesPlugin — do not edit manually",
+    "declare const resources: {",
+  ];
+
+  for (const key of sortedKeys) {
+    const values = Array.from(keyValues.get(key)!);
+    const union = values.map((v) => JSON.stringify(v)).join(" | ");
+    lines.push(`  ${JSON.stringify(key)}: ${union};`);
+  }
+
+  lines.push("};");
+  lines.push("export default resources;");
+  lines.push("");
+
+  writeFileSync(destination, lines.join("\n"), "utf-8");
+}
+
+export function i18nextTypesPlugin(options: Options): Plugin {
+  let resolvedSourceDir: string;
+  let resolvedDestination: string;
+
+  return {
+    name: "i18next-types",
+
+    configResolved(config: ResolvedConfig) {
+      resolvedSourceDir = normalizePath(resolve(config.root, options.sourceDir));
+      resolvedDestination = normalizePath(resolve(config.root, options.destination));
+    },
+
+    buildStart() {
+      generateTypes(resolvedSourceDir, resolvedDestination);
+    },
+
+    configureServer(server) {
+      server.watcher.add(resolvedSourceDir);
+
+      server.watcher.on("change", (file: string) => {
+        if (file.startsWith(resolvedSourceDir) && file.endsWith(".json")) {
+          generateTypes(resolvedSourceDir, resolvedDestination);
+        }
+      });
+
+      server.watcher.on("add", (file: string) => {
+        if (file.startsWith(resolvedSourceDir) && file.endsWith(".json")) {
+          generateTypes(resolvedSourceDir, resolvedDestination);
+        }
+      });
+
+      server.watcher.on("unlink", (file: string) => {
+        if (file.startsWith(resolvedSourceDir) && file.endsWith(".json")) {
+          generateTypes(resolvedSourceDir, resolvedDestination);
+        }
+      });
+    },
+  };
+}