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天文台pc/tianwentai-ui/node_modules/date-fns/parse/_lib/parsers/Hour0To11Parser.mjs 874 Bytes
bc518174   王天杨   提交两个项目文件
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  import { numericPatterns } from "../constants.mjs";
  import { Parser } from "../Parser.mjs";
  import { parseNDigits, parseNumericPattern } from "../utils.mjs";
  
  export class Hour0To11Parser extends Parser {
    priority = 70;
  
    parse(dateString, token, match) {
      switch (token) {
        case "K":
          return parseNumericPattern(numericPatterns.hour11h, dateString);
        case "Ko":
          return match.ordinalNumber(dateString, { unit: "hour" });
        default:
          return parseNDigits(token.length, dateString);
      }
    }
  
    validate(_date, value) {
      return value >= 0 && value <= 11;
    }
  
    set(date, _flags, value) {
      const isPM = date.getHours() >= 12;
      if (isPM && value < 12) {
        date.setHours(value + 12, 0, 0, 0);
      } else {
        date.setHours(value, 0, 0, 0);
      }
      return date;
    }
  
    incompatibleTokens = ["h", "H", "k", "t", "T"];
  }