Initial Version (Working relay implementing basic functionality)

utils/files.ts

@@ -0,0 +1,31 @@
+import { exists } from "jsr:@std/fs";
+
+/**
+ * Return the path to Eve's configuration directory.
+ *
+ * The configuration directory is resolved in the following order:
+ *   1. The value of the `XDG_CONFIG_HOME` environment variable.
+ *   2. The value of the `HOME` environment variable, with `.config` appended.
+ *
+ * If the resolved path does not exist, create it.
+ */
+export async function getEveConfigHome(): Promise<string> {
+  const xdgConfigHome = Deno.env.get("XDG_CONFIG_HOME") ??
+    `${Deno.env.get("HOME")}/.config`;
+  const storagePath = `${xdgConfigHome}/arx/Eve`;
+  if (!(await exists(storagePath))) {
+    await Deno.mkdir(storagePath, { recursive: true });
+  }
+  return storagePath;
+}
+
+/**
+ * Return the path to the file in Eve's configuration directory.
+ *
+ * @param file The name of the file to return the path for.
+ * @returns The path to the file in Eve's configuration directory.
+ */
+export async function getEveFilePath(file: string): Promise<string> {
+  const storagePath = await getEveConfigHome();
+  return `${storagePath}/${file}`;
+}