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const element = require('./element'),
string = require('./string');
function listen(root) {
const observer = new MutationObserver( mutations => {
mutations.forEach( mutation => {
for(let node of mutation.addedNodes) {
element(node);
}
});
});
listen.runOnReady( () => {
observer.observe(root || document.body, {
childList: true,
subtree: true
});
});
return observer;
}
listen.runOnReady = function(run) {
// if called without arguments, run on the entire body after the document has loaded
if (document.readyState !== 'loading') {
// we're already ready
run();
} else if (document.addEventListener) {
document.addEventListener('DOMContentLoaded', run, false);
} else {
const readyStateCheckInterval = setInterval(() => {
if (document.readyState !== 'loading') {
clearInterval(readyStateCheckInterval);
run();
}
}, 10);
}
};
module.exports = listen;
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