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node_modules/date-fns/esm/parse/_lib/parsers/MonthParser.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 { mapValue, parseNDigits, parseNumericPattern } from "../utils.js";
+import { Parser } from "../Parser.js";
+import { numericPatterns } from "../constants.js";
+export var MonthParser = /*#__PURE__*/function (_Parser) {
+  _inherits(MonthParser, _Parser);
+  var _super = _createSuper(MonthParser);
+  function MonthParser() {
+    var _this;
+    _classCallCheck(this, MonthParser);
+    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), "incompatibleTokens", ['Y', 'R', 'q', 'Q', 'L', 'w', 'I', 'D', 'i', 'e', 'c', 't', 'T']);
+    _defineProperty(_assertThisInitialized(_this), "priority", 110);
+    return _this;
+  }
+  _createClass(MonthParser, [{
+    key: "parse",
+    value: function parse(dateString, token, match) {
+      var valueCallback = function valueCallback(value) {
+        return value - 1;
+      };
+      switch (token) {
+        // 1, 2, ..., 12
+        case 'M':
+          return mapValue(parseNumericPattern(numericPatterns.month, dateString), valueCallback);
+        // 01, 02, ..., 12
+        case 'MM':
+          return mapValue(parseNDigits(2, dateString), valueCallback);
+        // 1st, 2nd, ..., 12th
+        case 'Mo':
+          return mapValue(match.ordinalNumber(dateString, {
+            unit: 'month'
+          }), valueCallback);
+        // Jan, Feb, ..., Dec
+        case 'MMM':
+          return match.month(dateString, {
+            width: 'abbreviated',
+            context: 'formatting'
+          }) || match.month(dateString, {
+            width: 'narrow',
+            context: 'formatting'
+          });
+        // J, F, ..., D
+        case 'MMMMM':
+          return match.month(dateString, {
+            width: 'narrow',
+            context: 'formatting'
+          });
+        // January, February, ..., December
+        case 'MMMM':
+        default:
+          return match.month(dateString, {
+            width: 'wide',
+            context: 'formatting'
+          }) || match.month(dateString, {
+            width: 'abbreviated',
+            context: 'formatting'
+          }) || match.month(dateString, {
+            width: 'narrow',
+            context: 'formatting'
+          });
+      }
+    }
+  }, {
+    key: "validate",
+    value: function validate(_date, value) {
+      return value >= 0 && value <= 11;
+    }
+  }, {
+    key: "set",
+    value: function set(date, _flags, value) {
+      date.setUTCMonth(value, 1);
+      date.setUTCHours(0, 0, 0, 0);
+      return date;
+    }
+  }]);
+  return MonthParser;
+}(Parser);