在编程中,当你看到错误信息“argument of type string is not assignable to parameter of type”时,这通常意味着你试图将一个字符串类型的参数传递给一个期望不同类型参数的函数或方法。以下是针对这个问题的详细解答: 1. 错误含义 这个错误表明类型不匹配。你传递的参数类型(在这个例子中是string)与函数或方法期...
Argument of type 'string | null' is not assignable to parameter of type 'string'. 代码: JSON.parse(sessionStorage.getItem("user") ).userId; 原因: sessionStorage.getItem("user") 方法可能返回null , 而null 不是字符串 ,则JSON.parse在执行时就会出错,...
function assertNever(x: never): never { throw new Error("Unexpected object: " + x); } function processValue(value: string | number) { switch (typeof value) { case "string": // 处理字符串 break; case "number": // 处理数字 break; default: assertNever...
nodeper3楼•5 个月前
property filter does not exit on type 1093 6 5 ValidateForm emitter.on emitter.off 报错 1288 0 6 老师。我把那个scroll的组件用ts改了下,这个报错是啥意思,把我类型换成any也不行 456 0 6 老师这里似乎有个口误 1826 0 1 token报红 581 0 5 ...
Argument of type 'string | ArrayBuffer' is not assignable, Argument of type 'string | ArrayBuffer' is not assignable to parameter of type 'ArrayBuffer | SharedArrayBuffer | ArrayLike<number>' Ask Question Asked 3 years, 6 months ago. const arr = new Uint8Array(fileReader.result as ArrayBuffer...
v3+ts 报错 Argument of type 'xxx' is not assignable to parameter of type 'never' state.imgList.push(imgInfo); c错误示例 const state =reactive({ imgList: [], }) state.imgList.push(xxx); 报错 解决 const state =reactive({ imgList: []as any[],...
Argument of type 'Color' is not assignable to parameter of type 'ButtonStyleMode'. <ArkTSCheck> 我在学习对button按钮设置样式时,具体如下:该段代码并未报错,然而,当我在使用过程中设置颜色时(见下方第二段代码),报了这样的错;但是,我仍可以通过直接设置backgroundcolor来设置背景颜色 深色代码主题 复制...
Argument of type 'string' is not assignable to parameter of type 'never'.ts(2345) To mitigate the error I had to add a custom typescript definition for the supabase client: // supabaseCustom.d.ts import { PostgrestBuilder } from '@supabase/postgrest-js'; import { SupabaseClient } fro...
Hi there! I have bug with types when i'm try to use $dayjs inside of vuex mutations (example in photo below). when i'm assign value directly, without using of $dayjs module, error dissapears. my tsconfig.json file includes: { "compilerOp...