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node_modules/date-fns/esm/parse/_lib/parsers/ISOWeekParser.js

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+import _classCallCheck from "@babel/runtime/helpers/esm/classCallCheck";
+import _createClass from "@babel/runtime/helpers/esm/createClass";
+import _assertThisInitialized from "@babel/runtime/helpers/esm/assertThisInitialized";
+import _inherits from "@babel/runtime/helpers/esm/inherits";
+import _createSuper from "@babel/runtime/helpers/esm/createSuper";
+import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
+import { Parser } from "../Parser.js";
+import { numericPatterns } from "../constants.js";
+import { parseNumericPattern, parseNDigits } from "../utils.js";
+import setUTCISOWeek from "../../../_lib/setUTCISOWeek/index.js";
+import startOfUTCISOWeek from "../../../_lib/startOfUTCISOWeek/index.js"; // ISO week of year
+export var ISOWeekParser = /*#__PURE__*/function (_Parser) {
+  _inherits(ISOWeekParser, _Parser);
+  var _super = _createSuper(ISOWeekParser);
+  function ISOWeekParser() {
+    var _this;
+    _classCallCheck(this, ISOWeekParser);
+    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+      args[_key] = arguments[_key];
+    }
+    _this = _super.call.apply(_super, [this].concat(args));
+    _defineProperty(_assertThisInitialized(_this), "priority", 100);
+    _defineProperty(_assertThisInitialized(_this), "incompatibleTokens", ['y', 'Y', 'u', 'q', 'Q', 'M', 'L', 'w', 'd', 'D', 'e', 'c', 't', 'T']);
+    return _this;
+  }
+  _createClass(ISOWeekParser, [{
+    key: "parse",
+    value: function parse(dateString, token, match) {
+      switch (token) {
+        case 'I':
+          return parseNumericPattern(numericPatterns.week, dateString);
+        case 'Io':
+          return match.ordinalNumber(dateString, {
+            unit: 'week'
+          });
+        default:
+          return parseNDigits(token.length, dateString);
+      }
+    }
+  }, {
+    key: "validate",
+    value: function validate(_date, value) {
+      return value >= 1 && value <= 53;
+    }
+  }, {
+    key: "set",
+    value: function set(date, _flags, value) {
+      return startOfUTCISOWeek(setUTCISOWeek(date, value));
+    }
+  }]);
+  return ISOWeekParser;
+}(Parser);