moodle-local_treestudyplan/amd/src/primary-nav-tools.js

/*eslint-env es6*/

/**
 * Hide a primary navigation item by href
 * @param {string|Array} hrefs The link that should be hidden
 */
export function hide_primary(hrefs) {
    let element = document.createElement('style');
    document.head.appendChild(element);
    let sheet = element.sheet;

    if(typeof hrefs === 'string' || hrefs instanceof String){
        hrefs = [hrefs];
    }

    if(typeof hrefs === 'object' && Array.isArray(hrefs)){
        for(const ix in hrefs){
            const href = hrefs[ix];
            let style = `
                .primary-navigation li.nav-item > a[href*="${href}"] {
                    display: none;
                }
            `;
            sheet.insertRule(style, sheet.cssRules.length);
            style = `
                #usernavigation a[href*="${href}"] {
                    display: none;
                }
            `;
            sheet.insertRule(style, sheet.cssRules.length);
        }
    }
}