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Contents
"use strict";
function noop() { }
function once(emitter, name) {
const o = once.spread(emitter, name);
const r = o.then((args) => args[0]);
r.cancel = o.cancel;
return r;
}
(function (once) {
function spread(emitter, name) {
let c = null;
const p = new Promise((resolve, reject) => {
function cancel() {
emitter.removeListener(name, onEvent);
emitter.removeListener('error', onError);
p.cancel = noop;
}
function onEvent(...args) {
cancel();
resolve(args);
}
function onError(err) {
cancel();
reject(err);
}
c = cancel;
emitter.on(name, onEvent);
emitter.on('error', onError);
});
if (!c) {
throw new TypeError('Could not get `cancel()` function');
}
p.cancel = c;
return p;
}
once.spread = spread;
})(once || (once = {}));
module.exports = once;
//# sourceMappingURL=index.js.map
Version data entries
20 entries across 20 versions & 1 rubygems