nhb-toolbox/dist/esm/date/plugins/zodiacPlugin.js

A versatile collection of smart, efficient, and reusable utility functions and classes for everyday development needs.

import { ZODIAC_PRESETS } from '../constants.js';
/** * Plugin to inject `getZodiacSign` method */
export const zodiacPlugin = (ChronosClass) => {
    ChronosClass.prototype.getZodiacSign = function (options) {
        const { birthDate, preset = 'western', custom } = options ?? {};
        let month;
        let date;
        if (birthDate && birthDate?.includes('-')) {
            [month, date] = birthDate.split('-').map(Number);
        }
        else {
            month = this.isoMonth;
            date = this.date;
        }
        const signs = [...(custom ?? ZODIAC_PRESETS[preset])].sort((a, b) => a[1][0] * 100 + a[1][1] - (b[1][0] * 100 + b[1][1]));
        for (let i = signs.length - 1; i >= 0; i--) {
            const [sign, [m, d]] = signs[i];
            if (month > m || (month === m && date >= d)) {
                return sign;
            }
        }
        return signs[0][0];
    };
};