routie dev init since i didn't adhere to any proper guidance up until now

frontend/node_modules/@apidevtools/json-schema-ref-parser/lib/resolvers/file.ts

@@ -0,0 +1,46 @@
+import fs from "fs";
+import * as url from "../util/url.js";
+import { ResolverError } from "../util/errors.js";
+import type { JSONSchema, ResolverOptions } from "../types/index.js";
+import type { FileInfo } from "../types/index.js";
+
+export default {
+  /**
+   * The order that this resolver will run, in relation to other resolvers.
+   */
+  order: 100,
+
+  /**
+   * Determines whether this resolver can read a given file reference.
+   * Resolvers that return true will be tried, in order, until one successfully resolves the file.
+   * Resolvers that return false will not be given a chance to resolve the file.
+   */
+  canRead(file: FileInfo) {
+    return url.isFileSystemPath(file.url);
+  },
+
+  /**
+   * Reads the given file and returns its raw contents as a Buffer.
+   */
+  async read(file: FileInfo): Promise<Buffer> {
+    let path: string | undefined;
+    try {
+      path = url.toFileSystemPath(file.url);
+    } catch (err: any) {
+      const e = err as Error;
+      e.message = `Malformed URI: ${file.url}: ${e.message}`;
+      throw new ResolverError(e, file.url);
+    }
+    // strip trailing slashes
+    if (path.endsWith("/") || path.endsWith("\\")) {
+      path = path.slice(0, -1);
+    }
+    try {
+      return await fs.promises.readFile(path);
+    } catch (err: any) {
+      const e = err as Error;
+      e.message = `Error opening file ${path}: ${e.message}`;
+      throw new ResolverError(e, path);
+    }
+  },
+} as ResolverOptions<JSONSchema>;