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Fix ThenanbleRef promise

This commit is contained in:
Michael Diarmid 2017-09-20 11:50:34 +01:00 committed by GitHub
parent 7f99b035e2
commit d23c048304
1 changed files with 18 additions and 10 deletions
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28
lib/modules/database/reference.js
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@ -481,30 +481,38 @@ export default class Reference extends ReferenceBase {
* Access then method of promise if set * Access then method of promise if set
* @return {*} * @return {*}
*/ */
get then() { then(fnResolve, fnReject) {
if (this._promise && this._promise.then) { if (isFunction(fnResolve) && this._promise && this._promise.then) {
return this._promise.then.bind(this._promise)(() => { return this._promise.then.bind(this._promise)((result) => {
this._promise = null; this._promise = null;
return this; return fnResolve(result);
}, (possibleErr) => {
this._promise = null;
if (isFunction(fnReject)) {
return fnReject(possibleErr);
}
throw possibleErr;
}); });
} }
return undefined; return throw new Error("Cannot read property 'then' of undefined.");
} }
/** /**
* Access catch method of promise if set * Access catch method of promise if set
* @return {*} * @return {*}
*/ */
get catch() { catch(fnReject) {
if (this._promise && this._promise.catch) { if (isFunction(fnReject) && this._promise && this._promise.catch) {
return this._promise.catch.bind(this._promise)((exception) => { return this._promise.catch.bind(this._promise)((possibleErr) => {
this._promise = null; this._promise = null;
return Promise.reject(exception); return fnReject(possibleErr);
}); });
} }
return undefined; return throw new Error("Cannot read property 'catch' of undefined.");
} }
/** /**