aws-amplify

问题 I was experimenting with React a little and wanted to retrieve a json file I had on S3 bucket. I'm using the next code import React, { useState, useEffect } from "react"; import { Storage } from "aws-amplify"; export default function Gallery(props){ const [picList, setPicList] = useState([]); useEffect(() => { async function onLoad() { try{ const picUrl = await Storage.get('list.json'); const picr = await fetch(picUrl); const picjs = await picr.json(); setPicList(picjs); console.log(picList);

问题 I have installed 'amplify-cli'. When I type 'amplify configure', I get the error message: 'amplify is not recognized as an internal or external command, operable program or batch file'. 回答1: Please share your platform. Are you developing on Linux, Windows (Powershell), or Linux on Windows (WSL/Ubuntu)? Did you install the CLI globally? Try this: npm install -g @aws-amplify/cli And see if that works. If the global install fails, you can try running this per an Amplify developer: npm install -g

问题 I currently have a AppSync schema where I created a separate query within the AppSync console in order retain certain parameter (assetId) and get a list of the results in my DynamoDB table. I have tested the query already within the AppSync console and it works fine, I am now just having troubles using Amplify in my React App in order to call the query. I get the following error when running my App: DisplayCard.js:34 Uncaught (in promise) {data: null, errors: Array(1)} "Validation error of

问题 I am new to using AWS Amplify and GraphQL. Also just started building out React Native App - which is a lot of fun! I have a table called TimePeriods schema for it looks like this type TimePeriod @model { id: ID! name: String! startYear: String! endYear: String!, artworks: [ArtWorkTimePeriod] @connection (name: "TimePeriodArtWorks") #Many to Many Relationship artists: [ArtistTimePeriod] @connection (name: "TimePeriodArtists") #Many to Many Relationship } In the queries file generated by

问题 I am new to using AWS Amplify and GraphQL. Also just started building out React Native App - which is a lot of fun! I have a table called TimePeriods schema for it looks like this type TimePeriod @model { id: ID! name: String! startYear: String! endYear: String!, artworks: [ArtWorkTimePeriod] @connection (name: "TimePeriodArtWorks") #Many to Many Relationship artists: [ArtistTimePeriod] @connection (name: "TimePeriodArtists") #Many to Many Relationship } In the queries file generated by

问题 I have a PWA in Angular 8. I have added $ ng add @angular/pwa , and the PWA functionality seems to work, accept for this problem: when I push a new build to production, the app is not updated on people's browsers (tested on Chrome and mobile Safari). Instead, when a user opens their browser to go to the app, he/she will see the previous (non-updated) version of the app that was previously on their browser. They will only see the newer version if they refresh the page. No errors are shown. I

问题 I have a PWA in Angular 8. I have added $ ng add @angular/pwa , and the PWA functionality seems to work, accept for this problem: when I push a new build to production, the app is not updated on people's browsers (tested on Chrome and mobile Safari). Instead, when a user opens their browser to go to the app, he/she will see the previous (non-updated) version of the app that was previously on their browser. They will only see the newer version if they refresh the page. No errors are shown. I

问题 I've generated an REST express server with Amplify. I tried adding to more endpoints to it: // using serverless express app.post('/myendpoint', function(req, res) { console.log('body: ', req.body) res.json(req.body) }); // using serverless express app.get('/myendpoint', function(req, res) { res.json({success: 'get call to my endpoint succeed!', url: req.url}); }); After running amplify push I don't see these endpoints in the console, and I can't make requests to them via amplify. The

问题 Im recently started working with vue and nuxt. I want to add an AWS backend to my project. I've seen that Amplify is useful but haven't been able to find any resources on how to implement it in nuxt. Any advice? 回答1: I'm trying to implement as well AWS services as a backend for an app I'm working on. I managed to get a basic setup working with my Nuxt app doing the following steps. 1.- Create a Amplify Plugin File. (plugins/amplify.js) import Vue from 'vue' import Amplify, * as AmplifyModules

问题 I have a list of todo items and I would like to receive notifications when items are added or deleted from the list. So far I have implemented item addition notification: <Connect query={graphqlOperation(listTodos)} subscription={graphqlOperation(onCreateTodo)} onSubscriptionMsg={(prev, { onCreateTodo }) => { return addItem(prev, onCreateTodo) }} > {({ data: { listTodos }, loading, error }) => { if (loading) return "Loading" if (error) return "Error" return listTodos.items .map(({ id, name })