improve date parsing

Author: spessasus

src/utils/load_date.ts

@@ -93,7 +93,9 @@ export function parseDateString(dateString: string) {
     }
 
     // Remove "st" , "nd" , "rd",  "th", etc.
-    const filtered = dateString.replace(/\b(\d+)(st|nd|rd|th)\b/g, "$1");
+    const filtered = dateString
+        .replace(/\b(\d+)(st|nd|rd|th)\b/g, "$1")
+        .replace(/\s+at\s+/i, " ");
     const date = new Date(filtered);
     if (isNaN(date.getTime())) {
         const translated = tryTranslate(dateString);

tests/rmidi_date_detection_test.ts

@@ -0,0 +1,33 @@
+import * as fs from "fs/promises";
+import * as path from "node:path";
+import { BasicMIDI, SpessaSynthLogging } from "../src";
+
+// Process arguments
+const args = process.argv.slice(2);
+if (args.length !== 1) {
+    console.info("Usage: tsx index.ts <directory path>");
+    process.exit();
+}
+const midPath = args[0];
+
+SpessaSynthLogging(false, false, false);
+
+const entries = await fs.readdir(midPath, { recursive: true });
+
+const dec = new TextDecoder();
+for (const entry of entries) {
+    const fullPath = path.join(midPath, entry);
+    const stat = await fs.stat(fullPath);
+
+    if (stat.isFile()) {
+        const bin = await fs.readFile(fullPath);
+        if (dec.decode(bin.buffer.slice(8, 12)) !== "RMID") continue;
+        const rmid = BasicMIDI.fromArrayBuffer(bin.buffer);
+        if (!rmid.rmidiInfo.creationDate) continue;
+        console.info(
+            dec.decode(rmid.rmidiInfo.creationDate),
+            " decoded as date -> ",
+            rmid.getRMIDInfo("creationDate")!.toISOString()
+        );
+    }
+}