ArtPlayer/packages/artplayer/src/contextmenu/aspectRatio.js

import { inverseClass } from '../utils';

export default function aspectRatio(menuOption) {
    return art => {
        const { i18n, player } = art;
        return {
            ...menuOption,
            html: `
                ${i18n.get('Aspect ratio')}:
                <span data-ratio="default" class="default current">${i18n.get('Default')}</span>
                <span data-ratio="4:3">4:3</span>
                <span data-ratio="16:9">16:9</span>
            `,
            click: event => {
                const { target } = event;
                const { ratio } = target.dataset;
                if (ratio) {
                    player.aspectRatio(ratio);
                    art.contextmenu.hide();
                }
            },
            mounted: $menu => {
                art.on('aspectRatioChange', ratio => {
                    const $current = Array.from($menu.querySelectorAll('span')).find(
                        item => item.dataset.ratio === ratio,
                    );
                    inverseClass($current, 'current');
                });
            },
        };
    };
}