我无法在Express的请求对象中声明新属性
我正在尝试将新属性附加到打字稿中的请求对象。 这是代码:
import { request, Request, response, Response } from "express";
((req: Request, res: Response) => {
console.log(req.user);
})(request, response)
我是这样声明的:
declare global {
namespace Express {
interface Request {
user: string;
}
}
}
然后我用TS节点运行它。结果是:
/home/mahdi/Desktop/learn-stuf/test/node_modules/ts-node/src/index.ts:843
return new TSError(diagnosticText, diagnosticCodes, diagnostics);
^
TSError: ⨯ Unable to compile TypeScript:
x.ts:9:21 - error TS2339: Property 'user' does not exist on type 'Request<ParamsDictionary, any, any, ParsedQs, Record<string, any>>'.
9 console.log(req.user);
~~~~
at createTSError (/home/mahdi/Desktop/learn-stuf/test/node_modules/ts-node/src/index.ts:843:12)
at reportTSError (/home/mahdi/Desktop/learn-stuf/test/node_modules/ts-node/src/index.ts:847:19)
at getOutput (/home/mahdi/Desktop/learn-stuf/test/node_modules/ts-node/src/index.ts:1057:36)
at Object.compile (/home/mahdi/Desktop/learn-stuf/test/node_modules/ts-node/src/index.ts:1411:41)
at Module.m._compile (/home/mahdi/Desktop/learn-stuf/test/node_modules/ts-node/src/index.ts:1596:30)
at Module._extensions..js (node:internal/modules/cjs/loader:1159:10)
at Object.require.extensions.<computed> [as .ts] (/home/mahdi/Desktop/learn-stuf/test/node_modules/ts-node/src/index.ts:1600:12)
at Module.load (node:internal/modules/cjs/loader:981:32)
at Function.Module._load (node:internal/modules/cjs/loader:827:12)
at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:77:12) {
diagnosticCodes: [ 2339 ]
}
我测试了太多网站的答案,但是其中一个没有起作用。请帮忙。
I'm trying to attach the new property to the request object in typescript.
this is the code :
import { request, Request, response, Response } from "express";
((req: Request, res: Response) => {
console.log(req.user);
})(request, response)
i'm declaring like this :
declare global {
namespace Express {
interface Request {
user: string;
}
}
}
and then I'm running it with ts-node. result is :
/home/mahdi/Desktop/learn-stuf/test/node_modules/ts-node/src/index.ts:843
return new TSError(diagnosticText, diagnosticCodes, diagnostics);
^
TSError: ⨯ Unable to compile TypeScript:
x.ts:9:21 - error TS2339: Property 'user' does not exist on type 'Request<ParamsDictionary, any, any, ParsedQs, Record<string, any>>'.
9 console.log(req.user);
~~~~
at createTSError (/home/mahdi/Desktop/learn-stuf/test/node_modules/ts-node/src/index.ts:843:12)
at reportTSError (/home/mahdi/Desktop/learn-stuf/test/node_modules/ts-node/src/index.ts:847:19)
at getOutput (/home/mahdi/Desktop/learn-stuf/test/node_modules/ts-node/src/index.ts:1057:36)
at Object.compile (/home/mahdi/Desktop/learn-stuf/test/node_modules/ts-node/src/index.ts:1411:41)
at Module.m._compile (/home/mahdi/Desktop/learn-stuf/test/node_modules/ts-node/src/index.ts:1596:30)
at Module._extensions..js (node:internal/modules/cjs/loader:1159:10)
at Object.require.extensions.<computed> [as .ts] (/home/mahdi/Desktop/learn-stuf/test/node_modules/ts-node/src/index.ts:1600:12)
at Module.load (node:internal/modules/cjs/loader:981:32)
at Function.Module._load (node:internal/modules/cjs/loader:827:12)
at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:77:12) {
diagnosticCodes: [ 2339 ]
}
I tested too many answers of sites, but one of them did not work. please help.
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编辑文件之类的文件
,或
tsconfig
中的声明文件的目录。由于我通常将其命名express.d.ts
,然后放在src/types
文件夹中,在我的情况下,tsconfig.json
将被编辑最后tsconfig.json
中添加TS节点配置。 (不在compileroptions
中)edit the file like
or
tsconfig
. Since I usually name itexpress.d.ts
and place insrc/types
folder, in my case,tsconfig.json
will be edited like thistsconfig.json
. (not incompilerOptions
)您是否正在寻找@type/express/express/express/express ?
您还可以使用 :
但是,也许您正在寻找
req.body.user
,type响应&lt; {user:string;}&gt;
?Are you maybe looking for @types/express ?
You can also fix it with intersection type :
But maybe you are looking for
req.body.user
, typeResponse<{user: string;}>
?