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node_modules/date-fns/parse/_lib/parsers/StandAloneQuarterParser.mjs

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+import { Parser } from "../Parser.mjs";
+import { parseNDigits } from "../utils.mjs";
+
+export class StandAloneQuarterParser extends Parser {
+  priority = 120;
+
+  parse(dateString, token, match) {
+    switch (token) {
+      // 1, 2, 3, 4
+      case "q":
+      case "qq": // 01, 02, 03, 04
+        return parseNDigits(token.length, dateString);
+      // 1st, 2nd, 3rd, 4th
+      case "qo":
+        return match.ordinalNumber(dateString, { unit: "quarter" });
+      // Q1, Q2, Q3, Q4
+      case "qqq":
+        return (
+          match.quarter(dateString, {
+            width: "abbreviated",
+            context: "standalone",
+          }) ||
+          match.quarter(dateString, {
+            width: "narrow",
+            context: "standalone",
+          })
+        );
+
+      // 1, 2, 3, 4 (narrow quarter; could be not numerical)
+      case "qqqqq":
+        return match.quarter(dateString, {
+          width: "narrow",
+          context: "standalone",
+        });
+      // 1st quarter, 2nd quarter, ...
+      case "qqqq":
+      default:
+        return (
+          match.quarter(dateString, {
+            width: "wide",
+            context: "standalone",
+          }) ||
+          match.quarter(dateString, {
+            width: "abbreviated",
+            context: "standalone",
+          }) ||
+          match.quarter(dateString, {
+            width: "narrow",
+            context: "standalone",
+          })
+        );
+    }
+  }
+
+  validate(_date, value) {
+    return value >= 1 && value <= 4;
+  }
+
+  set(date, _flags, value) {
+    date.setMonth((value - 1) * 3, 1);
+    date.setHours(0, 0, 0, 0);
+    return date;
+  }
+
+  incompatibleTokens = [
+    "Y",
+    "R",
+    "Q",
+    "M",
+    "L",
+    "w",
+    "I",
+    "d",
+    "D",
+    "i",
+    "e",
+    "c",
+    "t",
+    "T",
+  ];
+}