Promise base API Call

promise.js

getGroupChatDetails() {
	this.conversations[this.id].members.map(id => {
			const promise = this.fetchProfile(id);
			promise.then((result) => {
					//this.profileDetails.push(result.payload.data.data.profile);
					this.profileDetails = result.payload.data.data.profile;
			}, (err) => {
					console.log(err);
			});
	});
},