go integration and wikipedia

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

@@ -0,0 +1,29 @@
+import { numericPatterns } from "../constants.mjs";
+import { Parser } from "../Parser.mjs";
+import { parseNDigits, parseNumericPattern } from "../utils.mjs";
+
+export class SecondParser extends Parser {
+  priority = 50;
+
+  parse(dateString, token, match) {
+    switch (token) {
+      case "s":
+        return parseNumericPattern(numericPatterns.second, dateString);
+      case "so":
+        return match.ordinalNumber(dateString, { unit: "second" });
+      default:
+        return parseNDigits(token.length, dateString);
+    }
+  }
+
+  validate(_date, value) {
+    return value >= 0 && value <= 59;
+  }
+
+  set(date, _flags, value) {
+    date.setSeconds(value, 0);
+    return date;
+  }
+
+  incompatibleTokens = ["t", "T"];
+}