rrweb
Version:
record and replay the web
4 lines (2 loc) • 340 B
JavaScript
function mitt(n){return {all:n=n||new Map,on:function(t,e){var i=n.get(t);i?i.push(e):n.set(t,[e]);},off:function(t,e){var i=n.get(t);i&&(e?i.splice(i.indexOf(e)>>>0,1):n.set(t,[]));},emit:function(t,e){var i=n.get(t);i&&i.slice().map(function(n){n(e);}),(i=n.get("*"))&&i.slice().map(function(n){n(t,e);});}}}
export { mitt as default };