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天文台pc/tianwentai-ui/node_modules/date-fns/parse/_lib/parsers/ISOWeekParser.mjs 979 Bytes
bc518174   王天杨   提交两个项目文件
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  import { setISOWeek } from "../../../setISOWeek.mjs";
  import { startOfISOWeek } from "../../../startOfISOWeek.mjs";
  import { numericPatterns } from "../constants.mjs";
  import { Parser } from "../Parser.mjs";
  import { parseNDigits, parseNumericPattern } from "../utils.mjs";
  
  // ISO week of year
  export class ISOWeekParser extends Parser {
    priority = 100;
  
    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);
      }
    }
  
    validate(_date, value) {
      return value >= 1 && value <= 53;
    }
  
    set(date, _flags, value) {
      return startOfISOWeek(setISOWeek(date, value));
    }
  
    incompatibleTokens = [
      "y",
      "Y",
      "u",
      "q",
      "Q",
      "M",
      "L",
      "w",
      "d",
      "D",
      "e",
      "c",
      "t",
      "T",
    ];
  }