Files
30-seconds-of-code/test4/observeMutations/observeMutations.js
Angelos Chalaris 5afe81452a Migrated tests to jest
Used jest-codemods to migrate, will have to pass everything by hand before we can merge.
2018-06-18 14:18:25 +03:00

19 lines
386 B
JavaScript

const observeMutations = (element, callback, options) => {
const observer = new MutationObserver(mutations => mutations.forEach(m => callback(m)));
observer.observe(
element,
Object.assign(
{
childList: true,
attributes: true,
attributeOldValue: true,
characterData: true,
characterDataOldValue: true,
subtree: true
},
options
)
);
return observer;
};
module.exports = observeMutations;