app/node_modules/@ionic/core/components/theme.js

/*!
 * (C) Ionic http://ionicframework.com - MIT License
 */
const hostContext = (selector, el) => {
    return el.closest(selector) !== null;
};
/**
 * Create the mode and color classes for the component based on the classes passed in
 */
const createColorClasses = (color, cssClassMap) => {
    return typeof color === 'string' && color.length > 0
        ? Object.assign({ 'ion-color': true, [`ion-color-${color}`]: true }, cssClassMap) : cssClassMap;
};
const getClassList = (classes) => {
    if (classes !== undefined) {
        const array = Array.isArray(classes) ? classes : classes.split(' ');
        return array
            .filter((c) => c != null)
            .map((c) => c.trim())
            .filter((c) => c !== '');
    }
    return [];
};
const getClassMap = (classes) => {
    const map = {};
    getClassList(classes).forEach((c) => (map[c] = true));
    return map;
};
const SCHEME = /^[a-z][a-z0-9+\-.]*:/;
const openURL = async (url, ev, direction, animation) => {
    if (url != null && url[0] !== '#' && !SCHEME.test(url)) {
        const router = document.querySelector('ion-router');
        if (router) {
            if (ev != null) {
                ev.preventDefault();
            }
            return router.push(url, direction, animation);
        }
    }
    return false;
};

export { createColorClasses as c, getClassMap as g, hostContext as h, openURL as o };