@muban/muban/dist/esm/lib/props/property-sources/createAttributePropertySource.js

Writing components for server-rendered HTML

import { convertSourceValue } from './convertSourceValue';
export function createAttributePropertySource() {
    return () => ({
        sourceName: 'attr',
        hasProp: (propInfo) => Boolean(propInfo.source.target &&
            propInfo.type !== Function &&
            propInfo.source.target.hasAttribute(propInfo.source.name)),
        getProp: (propInfo) => {
            var _a;
            let value;
            const rawValue = propInfo.type !== Function
                ? (_a = propInfo.source.target.getAttribute(propInfo.source.name)) !== null && _a !== void 0 ? _a : undefined
                : undefined;
            if (rawValue !== undefined) {
                value = convertSourceValue(propInfo, rawValue);
            }
            else if (propInfo.type === Boolean) {
                // TODO: output warning about undefined booleans once we document
                //  how these should behave for all type of sources
                // eslint-disable-next-line no-console
                console.warn();
            }
            return value;
        },
    });
}