@primer/behaviors/dist/cjs/utils/user-agent.js

Shared behaviors for JavaScript components

'use strict';

let isMac = undefined;
function isMacOS() {
    if (isMac === undefined) {
        isMac = /^mac/i.test(window.navigator.platform);
    }
    return isMac;
}

exports.isMacOS = isMacOS;