Updates

dist/utils/resolve-and-load-data-file.js

@@ -0,0 +1,86 @@
+import fs from "fs";
+import path from "path";
+import { AppData } from "../data/app-data";
+function extensionToFormat(extension) {
+    switch (extension) {
+        case ".ts":
+            return "ts";
+        case ".js":
+            return "js";
+        case ".json":
+            return "json";
+        case ".yaml":
+        case ".yml":
+            return "yaml";
+    }
+}
+/**
+ * Resolve a basename (no extension) to an existing file among supported formats.
+ * Priority: .ts > .js > .json > .yaml > .yml
+ * Errors if multiple matches exist.
+ */
+export function resolveDataFile(dir, baseName) {
+    const matches = [];
+    for (const extension of AppData.SupportedDataFileExtensions) {
+        const filePath = path.join(dir, `${baseName}${extension}`);
+        if (fs.existsSync(filePath) && fs.statSync(filePath).isFile()) {
+            matches.push({
+                path: filePath,
+                basename: `${baseName}${extension}`,
+                extension,
+                format: extensionToFormat(extension),
+            });
+        }
+    }
+    if (matches.length === 0) {
+        return null;
+    }
+    if (matches.length > 1) {
+        const found = matches.map((m) => m.basename).join(", ");
+        throw new Error(`Multiple \`${baseName}\` files found (${found}). Keep only one of: ${AppData.SupportedDataFileExtensions.join(", ")}`);
+    }
+    return matches[0];
+}
+export function supportedDataFileNames(baseName) {
+    return AppData.SupportedDataFileExtensions.map((ext) => `\`${baseName}${ext}\``).join(", ");
+}
+export function isSchemaFileName(name) {
+    const base = path.basename(name);
+    if (base === AppData.DbSchemaFileName) {
+        return true;
+    }
+    return AppData.SupportedDataFileExtensions.some((ext) => base === `${AppData.DbSchemaFileName}${ext}`);
+}
+/**
+ * Load a data file as a plain object.
+ * - .ts / .js: require() and use default export (or module itself)
+ * - .json: JSON.parse
+ * - .yaml / .yml: Bun.YAML.parse
+ */
+export function loadDataFile(resolved) {
+    if (resolved.format === "ts" || resolved.format === "js") {
+        const imported = require(resolved.path);
+        const data = imported && typeof imported === "object" && "default" in imported
+            ? imported.default
+            : imported;
+        if (data == null) {
+            throw new Error(`No default export from \`${resolved.path}\`. Please export a default module.`);
+        }
+        return data;
+    }
+    const text = fs.readFileSync(resolved.path, "utf-8");
+    if (resolved.format === "json") {
+        return JSON.parse(text);
+    }
+    return Bun.YAML.parse(text);
+}
+export function resolveAndLoadDataFile(dir, baseName) {
+    const resolved = resolveDataFile(dir, baseName);
+    if (!resolved) {
+        return null;
+    }
+    return {
+        ...resolved,
+        data: loadDataFile(resolved),
+    };
+}