typescriptfindtypescriptfind函数 1、函数的定义方式(4种)// (1)、命名函数function add1(x: number, y: number): number { return x + y; } // (2)、匿名函数let add2:(x: number, y: number) => number = function(x: number, y: number) { return x + y; } ...
interface A { name: string } interface B { age: number } let arr: Array<A|B> = [{name: 'jack'}] arr.push({ age: 17}) function testA(value: A|B): value is A { return 'name' in value && value.name === 'jack' } let findA = arr.find<A>(testA) function test(value: ...
typescriptfindtypescriptfind函数 1、函数的定义方式(4种)// (1)、命名函数function add1(x: number, y: number): number { return x + y; } // (2)、匿名函数let add2:(x: number, y: number) => number = function(x: number, y: number) { return x + y; } ...
To fix the "cannot find name 'require'" error in TypeScript, install the @types/node package into your project by running npm i -D @types/node. This error can occur when you try to use the Node.js require() function in a TypeScript file. Read the full story - javascript.plainenglis...
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I have found a difficulty compiling my Typescript code and it turns out that inside many files in graphql-subscriptions and subscriptions-transport-ws, the AsyncIterator iterator type interface is treated as defined, but the Typescript c...
import { getRepository, Repository } from 'typeorm'; import { User } from './entity/User'; async function getUsersWithOrderAndWhere() { const userRepository: Repository<User> = getRepository(User); const users = await userRepository.find({ where: { age: MoreThan(25) }, // 查询年龄大...
_filter = function(fn){ if(this === null) throw new TypeError('this is null or not defined'); let that = Object(this); if(typeof fn !== 'function') throw new TypeError('fn is not function'); let new_arr = []; for(let i = 0;i < that.length>>>0;i++){ fn(that[i]...
Type: Bug Description I am encountering an issue with the 'Find All References' feature in VSCode after updating to the latest version. When I export functions from a module and import them using import * as user from './user', the 'Find...
functionmain(workbook:ExcelScript.Workbook){letsheet=workbook.getActiveWorksheet();letbreakCol=sheet.getRange("O2:O25");breakCol.replaceAll("\n",",");} Hope this helps a bit & your feedback will be appreciated, whatever it is (It's my understanding that TypeScript issues...