Chinese Fortune Analysis System (BaZi)

import { duodecimalCycleMonth, monthToken, decimalCycle, solarTerms, sixty, dengGui, tenGod, duodecimalCycle, mingGongDuoDecimalCycle, shenGong, duodecimalCycleToDecimalCycle } from './config.js'; type TimeResult = string[]; type DateResult = { year: number, month: string, day: string }; const yu = { setTime: (): string => { return new Date().getHours().toString(); }, setDate: (year?: number, month?: string, day?: string): DateResult => { const now = new Date(); const yearDate = now.getFullYear(); const monthDate = now.getMonth(); // 0-based const date = now.getDate(); if (year === undefined) { year = yearDate; } if (month === '' || month === undefined) { month = monthDate + 1 < 9 ? `0${(monthDate + 1).toString()}` : (monthDate + 1).toString(); } if (day === '' || day === undefined) { day = date < 9 ? `0${(date).toString()}` : date.toString(); } return { year, month, day }; }, /** * @param {string} chinese first word 配 * @param {string} chinese first word 命 * @returns {string} 十神 */ findTenGod: (_with: string, _life: string): string => { // console.log('findTenGod', _with, _life, decimalCycle) return tenGod[decimalCycle.indexOf(_with)][decimalCycle.indexOf(_life)]; }, /** * @param {string} chineseDay first word * @param {string} twentyFourWeather * @returns {string} 登貴 */ findDengGui: (countryDay: string, twentyFourWeather: string): string => { const decimalNumber = decimalCycle.indexOf(countryDay); const solarTermsNumber = yu.dengGuiSolarTerms(twentyFourWeather); return dengGui[decimalNumber][solarTermsNumber]; }, /** * 此年度所有的月令(柱) * @param {string} 丁卯 * @returns {array} [壬寅, 癸卯, 甲辰, 乙巳, 丙午...] */ lunarMonthByYear: (year: string): string[] => { const yearFirstCh = year.toString().charAt(0); const baseYear = decimalCycle.indexOf(yearFirstCh); let index = 4; if ([0, 5].includes(baseYear)) index = 0; else if ([1, 6].includes(baseYear)) index = 1; else if ([2, 7].includes(baseYear)) index = 2; else if ([3, 8].includes(baseYear)) index = 3; return monthToken[index].map((val, idx) => decimalCycle[val] + duodecimalCycleMonth[idx]); }, /** * 節氣(月令) --> 月份 * @param {string} 節氣 * @returns {string} 二月 正月 */ solarTermToLunarMonth: (solarTerm: string): string => { const num = solarTerms.indexOf(solarTerm); if ([0, 23].includes(num)) return '正月'; if ([1, 2].includes(num)) return '二月'; if ([3, 4].includes(num)) return '三月'; if ([5, 6].includes(num)) return '四月'; if ([7, 8].includes(num)) return '五月'; if ([9, 10].includes(num)) return '六月'; if ([11, 12].includes(num)) return '七月'; if ([13, 14].includes(num)) return '八月'; if ([15, 16].includes(num)) return '九月'; if ([17, 18].includes(num)) return '十月'; if ([19, 20].includes(num)) return '十一月'; return '十二月'; }, /** * 節前節後 * @param {string} hour * @returns {string} 地支 */ hourToDuodecimalCycle: (time: string): string => { const hour = parseInt(time, 10); if (hour === 23 || hour === 0) return '子'; if (hour === 1 || hour === 2) return '丑'; if (hour === 3 || hour === 4) return '寅'; if (hour === 5 || hour === 6) return '卯'; if (hour === 7 || hour === 8) return '辰'; if (hour === 9 || hour === 10) return '巳'; if (hour === 11 || hour === 12) return '午'; if (hour === 13 || hour === 14) return '未'; if (hour === 15 || hour === 16) return '申'; if (hour === 17 || hour === 18) return '酉'; if (hour === 19 || hour === 20) return '戌'; return '亥'; }, findTime: (lunarDayFirstWord: string): TimeResult => { let result: TimeResult = []; if (['甲', '己'].includes(lunarDayFirstWord)) { result = yu.findTimeCompute(0, 11); } else if (['乙', '庚'].includes(lunarDayFirstWord)) { result = yu.findTimeCompute(12, 23); } else if (['丙', '辛'].includes(lunarDayFirstWord)) { result = yu.findTimeCompute(24, 35); } else if (['丁', '壬'].includes(lunarDayFirstWord)) { result = yu.findTimeCompute(36, 47); } else { result = yu.findTimeCompute(48, 59); } return result; }, findTimeCompute: (start: number, end: number): TimeResult => { const timeArray: TimeResult = []; for (let i = start; i <= end; i++) { timeArray.push(sixty[i]); } return timeArray; }, /** * 登貴節氣 deng_gui[X][Y] * return Y */ dengGuiSolarTerms: (solarTerm: string): number => { const num = solarTerms.indexOf(solarTerm); return Math.floor(num / 2); }, mingAndShen: ( chineseYear: string, chineseMonth: string, chineseTime: string, item: 'Ming' | 'Shen' ): string => { const down = duodecimalCycleMonth.indexOf(chineseMonth.charAt(1)); const top = duodecimalCycle.indexOf(chineseTime.charAt(1)); let result: string; if (item === 'Ming') { result = yu.getDuodecimalCycleToDecimalCycle( mingGongDuoDecimalCycle[top][down], chineseYear ); return `${result}${mingGongDuoDecimalCycle[top][down]}`; } result = yu.getDuodecimalCycleToDecimalCycle(shenGong[top][down], chineseYear); return `${result}${shenGong[top][down]}`; }, /** * 地支查天干 使用於身宮和命宮 * @param {String} decimalCycle 地支 * @param {String} chineseYear */ getDuodecimalCycleToDecimalCycle: (decimalCycleInput: string, chineseYear: string): string => { const down = duodecimalCycleMonth.indexOf(decimalCycleInput); const word = chineseYear.charAt(0); if ('甲己'.includes(word)) return duodecimalCycleToDecimalCycle[0][down]; if ('乙庚'.includes(word)) return duodecimalCycleToDecimalCycle[1][down]; if ('丙辛'.includes(word)) return duodecimalCycleToDecimalCycle[2][down]; if ('丁壬'.includes(word)) return duodecimalCycleToDecimalCycle[3][down]; return duodecimalCycleToDecimalCycle[4][down]; }, verifyAge: (chineseAge?: string): boolean => { return !(chineseAge === '請輸入年齡' || chineseAge == '' || chineseAge === undefined); }, getChineseAgeInfo: function ( birthDate: Date, now: Date = new Date() ): { westernAge: number; chineseAge: number; chineseYear: string; } { const heavenlyStems = ['甲', '乙', '丙', '丁', '戊', '己', '庚', '辛', '壬', '癸']; const earthlyBranches = ['子', '丑', '寅', '卯', '辰', '巳', '午', '未', '申', '酉', '戌', '亥']; const birthYear = birthDate.getFullYear(); const currentYear = now.getFullYear(); // 1. 实足年龄（满周岁） let westernAge = currentYear - birthYear; const hasBirthdayPassedThisYear = now.getMonth() > birthDate.getMonth() || (now.getMonth() === birthDate.getMonth() && now.getDate() >= birthDate.getDate()); if (!hasBirthdayPassedThisYear) { westernAge -= 1; } // 2. 虚岁年龄（出生时1岁，每过农历新年加1岁） const chineseAge = currentYear - birthYear + 1; // 3. 干支年（60年一轮，从甲子开始，1984年为甲子） const baseYear = 1984; // 甲子年 const offset = (birthYear - baseYear + 60) % 60; const gan = heavenlyStems[offset % 10]; const zhi = earthlyBranches[offset % 12]; const chineseYear = gan + zhi; return { westernAge, chineseAge, chineseYear } } }; export default yu;