node.js

问题 I have the below module export in my javascript file, so that I can access it from node.js based build setup (grunt, require..). .... if(module && module.exports) { module.exports = m; } when I use the same file in browser, it gives error Uncaught ReferenceError: module is not defined const.js:49 (anonymous function) I do not use node as backend. how can I avoid this error? That is, I need to export m so that require it during build (node based), but works standalone in browser. why doesn't

问题 I am trying to create nested schema in joi and it is throwing error [Error: Object schema cannot be a joi schema] var nestedSchema = joi.object({ b: joi.number() }); var base = joi.object({ a: joi.string(), nestedData:joi.object(nestedSchema) }); How should i define nested schema in joi? 回答1: You could use object.keys API var nestedSchema = joi.object().keys({ b: joi.number() }); var base = joi.object({ a: joi.string(), nestedData: nestedSchema }); 回答2: Although Francesco's answer works,

问题 I just started a new nodejs project using typescript. I installed Typings (https://github.com/typings/typings) and used that to install reference files for node v4.x and express v4.x. My node version is v4.2.6 My typescript version is v1.7.5 My project directory is laid out thus: package.json tsconfig.json typings.json src/ app.ts typings/ main.d.ts main/ambient/node/node.d.ts main/ambient/express/express.d.ts The contents of typings/main.d.ts are as follows: /// <reference path="main/ambient

问题 I'm receiving the following error running npm start: ES2015 module syntax is preferred over custom TypeScript modules and namespaces @typescript-eslint/no-namespace namespace InternalThings {...} I tried to research this but it's very confusing. Why does this is happening? How to fix it? I tried to put some flags on my tsconfig.json but so far no success; 回答1: This is a lint error, caused by this lint rule: https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint

问题 I need to merge two JS arrays, but using concat fn or lodash library i can't do it... I have two arrays like these: [ test2: 'string', test: 'string' ] [ nome: 'string',test2: 'string', test: 'string' ] And what i need is to have result array like this: [ test2: 'string', test: 'string', nome: 'string' ] How can i do this? i tried several methods withouth success... Array concat doesn't work... Thanks 回答1: var obj1 = { 'test2': 'string', 'test': 'string' }; var obj2 = { 'nome': 'string',

问题 i get a callback is not a function only when i try to add a new parameter erreur= TypeError: callback is not a function at services.js:72 i tried to add reference to the function when i romoved evrything works fine here's my code at service.js I hope you'll help me. .factory('Payement', function ($http, $ionicLoading) { return { saveContratEtudant: function (_nb_piece1,_nb_piece2,_shortadresse,_govClt,_villeClt,_localiteClt,_voieClt,_cod_logem,_adresse_logem,_govLogem,_gelgLogem, _dateDel,

问题 I am trying with below solution using ews-javascript-api npm Node JS. but this solution is not working, not able to download attachment (Excel File) to specific path. please provide me proper solution for the same. var ews = require('ews-javascript-api') var ExchangeService = ews.ExchangeService; var service = new ExchangeService(ews.ExchangeVersion.Exchange2010); service.Credentials = new ews.ExchangeCredentials("userName", "Password"); service.Url = new ews.Uri("https://outlook.office365

问题 I'm implementing API using Sequelize in node.js. I have three tables i.e. users, projects and userprojects. Here, userprojects table contains foreign key columns i.e. UserId and ProjectId from users and projects table respectively (as shown in picture below) I want to inner join userprojects and projects table so I get final flat result as Project Id (from userproject table) and Project Name (from project table) in a flat format e.g. 7AD60938-60F5-433D-A55B-2F48A9931EFA | Project 01 2582A40C

问题 I'm implementing API using Sequelize in node.js. I have three tables i.e. users, projects and userprojects. Here, userprojects table contains foreign key columns i.e. UserId and ProjectId from users and projects table respectively (as shown in picture below) I want to inner join userprojects and projects table so I get final flat result as Project Id (from userproject table) and Project Name (from project table) in a flat format e.g. 7AD60938-60F5-433D-A55B-2F48A9931EFA | Project 01 2582A40C

问题 I have one problem in JavaScript that I got many dates from a database and I want to get the date which is in the current week . 回答1: Okay, I googled for you: Get week of year in JavaScript like in PHP Use this function and compare values. But probably it is possible to write more optimal funciton for your purposes. 回答2: Try to use mement.js method isBetween to check the date which exists in week or not if(moment('2010-10-20').isBetween('2010-10-19', '2010-10-25')){ //return true if exists /