v1.0 with SW PWA enabled

frontend/node_modules/date-fns/parse/_lib/parsers/DayPeriodParser.mjs

@@ -0,0 +1,54 @@
+import { Parser } from "../Parser.mjs";
+import { dayPeriodEnumToHours } from "../utils.mjs";
+
+// in the morning, in the afternoon, in the evening, at night
+export class DayPeriodParser extends Parser {
+  priority = 80;
+
+  parse(dateString, token, match) {
+    switch (token) {
+      case "B":
+      case "BB":
+      case "BBB":
+        return (
+          match.dayPeriod(dateString, {
+            width: "abbreviated",
+            context: "formatting",
+          }) ||
+          match.dayPeriod(dateString, {
+            width: "narrow",
+            context: "formatting",
+          })
+        );
+
+      case "BBBBB":
+        return match.dayPeriod(dateString, {
+          width: "narrow",
+          context: "formatting",
+        });
+      case "BBBB":
+      default:
+        return (
+          match.dayPeriod(dateString, {
+            width: "wide",
+            context: "formatting",
+          }) ||
+          match.dayPeriod(dateString, {
+            width: "abbreviated",
+            context: "formatting",
+          }) ||
+          match.dayPeriod(dateString, {
+            width: "narrow",
+            context: "formatting",
+          })
+        );
+    }
+  }
+
+  set(date, _flags, value) {
+    date.setHours(dayPeriodEnumToHours(value), 0, 0, 0);
+    return date;
+  }
+
+  incompatibleTokens = ["a", "b", "t", "T"];
+}