“ts missing initializer in const declaration”错误信息意味着在使用TypeScript时,声明了一个const变量但没有提供初始值。由于const关键字用于声明一个常量,它要求在声明时必须赋予一个初始值,且之后不能再被重新赋值。 可能导致此错误的常见情景 忘记为const变量赋值: typescript const myConstant; // 错误:缺少...
然而,在某些情况下,我们可能会遇到"ts missing initializer in const declaration"错误。这个错误提示表示在常量声明中缺少了初始化器,也就是没有给常量赋初始值。例如: typescript const PI; 在上面的代码中,我们没有给常量PI赋初始值,而是直接声明了它。这就是导致出现"ts missing initializer in const declaration...
SyntaxError: Missing initializer in const declaration This is because it is TS file, and it fails on the first TS part. If I remove the type hint (which makes it a valid JS file), it works fine. Then I finally tried inline: ['pkg'] and it started working. But this workaround doe...
/app/data/extension/externally-loaded.js:20 const result: KeyValue = {}; ^^^ SyntaxError: Missing initializer in const declaration at new Script (node:vm:100:7) at createScript (node:vm:265:10) at Object.runInNewContext (node:vm:306:10) at loadModuleFromText (/app/lib/util/utils.ts:...
1046 错误 A 'declare' modifier is required for a top level declaration in a .d.ts file. 在.d.ts 文件中的顶层声明需要 "declare" 修饰符。 1047 错误 A rest parameter cannot be optional. rest 参数不能为可选参数。 1048 错误 A rest parameter cannot have an initializer. rest 参数不能具有初...
1046 错误 A 'declare' modifier is required for a top level declaration in a .d.ts file. 在 .d.ts 文件中的顶层声明需要 "declare" 修饰符。 1047 错误 A rest parameter cannot be optional. rest 参数不能为可选参数。 1048 错误 A rest parameter cannot have an initializer. rest 参数不能具有...
const isDeclarationFile=isDeclarationFileName(fileName); sourceFile=createSourceFile(fileName, languageVersion, scriptKind, isDeclarationFile); sourceFile.flags=contextFlags;//Prime the scanner.nextToken();//A member of ReadonlyArray<T> isn't assignable to a member of T[] (and prevents a direc...
import{createWrappedNode,ClassDeclaration,ts}from"ts-morph";// some code that creates a class declaration using the ts objectconstclassNode:ts.ClassDeclaration=...;// create and use a wrapped nodeconstclassDec=createWrappedNode(classNode)asClassDeclaration;constfirstProperty=classDec.getProperties()...
log(this.salary); } } const employee = new Employee(); // ⛔️ Error: Property 'salary' is private and // only accessible within class 'Employee'.ts(2341) employee.salary; console.log(employee.logSalary()); // 👉️ 100 The salary property has private member visibility, so it...
constnumHandler=(input:number)=>{letdigits;returninput; }; 1. 2. 3. 4. 在上面的例子中,我们定义了一个名为 numHandler 的函数,它接受一个 number 类型的参数。接下来,定义并返回了input 参数。当编译上面的代码时,就会提示以下错误: ...