10 replies

Custom type on express Request doesn't work on execution

I'm trying to set a

user

user

type on my req in my express server

these are what i tried:

req.user = user;

req.user = user;

req.user = user as User;

req.user = user as User;

(req as User).user = user;

(req as User).user = user;

and for the types file:

import { User } from '@prisma/client';

declare global {
    namespace Express {
        export interface Request {
            user?: User;
        }
    }
}

import { User } from '@prisma/client';

declare global {
    namespace Express {
        export interface Request {
            user?: User;
        }
    }
}

i tried putting the above in

/global.d.ts

/global.d.ts

/src/types/express.d.ts

/src/types/express.d.ts

and

/src/typings/express/index.d.ts

/src/typings/express/index.d.ts

my editor doesn't error at all - works in all of these solutions
but while running

yarn dev

yarn dev

it errors

src/clients/web/router.ts:66:8 - error TS2339: Property 'user' does not exist on type 'Request<ParamsDictionary, any, any, ParsedQs, Record<string, any>>'.

src/clients/web/router.ts:66:8 - error TS2339: Property 'user' does not exist on type 'Request<ParamsDictionary, any, any, ParsedQs, Record<string, any>>'.

this is my tsconfig if that's of any use:

{
    "compileOnSave": false,
    "compilerOptions": {
        "target": "es2022",
        "lib": ["es2022", "esnext.asynciterable"],
        "typeRoots": ["node_modules/@types"],
        "allowSyntheticDefaultImports": true,
        "experimentalDecorators": true,
        "emitDecoratorMetadata": true,
        "forceConsistentCasingInFileNames": true,
        "moduleResolution": "node",
        "module": "commonjs",
        "pretty": true,
        "sourceMap": true,
        "declaration": true,
        "outDir": "dist",
        "allowJs": true,
        "noEmit": false,
        "esModuleInterop": true,
        "resolveJsonModule": true,
        "importHelpers": true,
        "baseUrl": "src",
        "paths": {
            "@/*": ["*"],
            "@config": ["config"],
            "@controllers/*": ["controllers/*"],
            "@types/*": ["types/*"],
            "@middlewares/*": ["middlewares/*"],
            "@routes/*": ["routes/*"],
            "@utils/*": ["utils/*"]
        }
    },
    "include": ["src/**/*.ts", "src/**/*.json", ".env", "global.d.ts"],
    "exclude": ["node_modules", "src/http", "src/logs", "src/tests"]
}

{
    "compileOnSave": false,
    "compilerOptions": {
        "target": "es2022",
        "lib": ["es2022", "esnext.asynciterable"],
        "typeRoots": ["node_modules/@types"],
        "allowSyntheticDefaultImports": true,
        "experimentalDecorators": true,
        "emitDecoratorMetadata": true,
        "forceConsistentCasingInFileNames": true,
        "moduleResolution": "node",
        "module": "commonjs",
        "pretty": true,
        "sourceMap": true,
        "declaration": true,
        "outDir": "dist",
        "allowJs": true,
        "noEmit": false,
        "esModuleInterop": true,
        "resolveJsonModule": true,
        "importHelpers": true,
        "baseUrl": "src",
        "paths": {
            "@/*": ["*"],
            "@config": ["config"],
            "@controllers/*": ["controllers/*"],
            "@types/*": ["types/*"],
            "@middlewares/*": ["middlewares/*"],
            "@routes/*": ["routes/*"],
            "@utils/*": ["utils/*"]
        }
    },
    "include": ["src/**/*.ts", "src/**/*.json", ".env", "global.d.ts"],
    "exclude": ["node_modules", "src/http", "src/logs", "src/tests"]
}

TTC

Theo's Typesafe Cult•3y ago•

10 replies

soul

Custom type on express Request doesn't work on execution

I'm trying to set a

user

user

type on my req in my express server

these are what i tried:

req.user = user;

req.user = user;

req.user = user as User;

req.user = user as User;

(req as User).user = user;

(req as User).user = user;

and for the types file:

import { User } from '@prisma/client';

declare global {
    namespace Express {
        export interface Request {
            user?: User;
        }
    }
}

import { User } from '@prisma/client';

declare global {
    namespace Express {
        export interface Request {
            user?: User;
        }
    }
}

i tried putting the above in

/global.d.ts

/global.d.ts

/src/types/express.d.ts

/src/types/express.d.ts

and

/src/typings/express/index.d.ts

/src/typings/express/index.d.ts

my editor doesn't error at all - works in all of these solutions
but while running

yarn dev

yarn dev

it errors

src/clients/web/router.ts:66:8 - error TS2339: Property 'user' does not exist on type 'Request<ParamsDictionary, any, any, ParsedQs, Record<string, any>>'.

src/clients/web/router.ts:66:8 - error TS2339: Property 'user' does not exist on type 'Request<ParamsDictionary, any, any, ParsedQs, Record<string, any>>'.

this is my tsconfig if that's of any use:

{
    "compileOnSave": false,
    "compilerOptions": {
        "target": "es2022",
        "lib": ["es2022", "esnext.asynciterable"],
        "typeRoots": ["node_modules/@types"],
        "allowSyntheticDefaultImports": true,
        "experimentalDecorators": true,
        "emitDecoratorMetadata": true,
        "forceConsistentCasingInFileNames": true,
        "moduleResolution": "node",
        "module": "commonjs",
        "pretty": true,
        "sourceMap": true,
        "declaration": true,
        "outDir": "dist",
        "allowJs": true,
        "noEmit": false,
        "esModuleInterop": true,
        "resolveJsonModule": true,
        "importHelpers": true,
        "baseUrl": "src",
        "paths": {
            "@/*": ["*"],
            "@config": ["config"],
            "@controllers/*": ["controllers/*"],
            "@types/*": ["types/*"],
            "@middlewares/*": ["middlewares/*"],
            "@routes/*": ["routes/*"],
            "@utils/*": ["utils/*"]
        }
    },
    "include": ["src/**/*.ts", "src/**/*.json", ".env", "global.d.ts"],
    "exclude": ["node_modules", "src/http", "src/logs", "src/tests"]
}

{
    "compileOnSave": false,
    "compilerOptions": {
        "target": "es2022",
        "lib": ["es2022", "esnext.asynciterable"],
        "typeRoots": ["node_modules/@types"],
        "allowSyntheticDefaultImports": true,
        "experimentalDecorators": true,
        "emitDecoratorMetadata": true,
        "forceConsistentCasingInFileNames": true,
        "moduleResolution": "node",
        "module": "commonjs",
        "pretty": true,
        "sourceMap": true,
        "declaration": true,
        "outDir": "dist",
        "allowJs": true,
        "noEmit": false,
        "esModuleInterop": true,
        "resolveJsonModule": true,
        "importHelpers": true,
        "baseUrl": "src",
        "paths": {
            "@/*": ["*"],
            "@config": ["config"],
            "@controllers/*": ["controllers/*"],
            "@types/*": ["types/*"],
            "@middlewares/*": ["middlewares/*"],
            "@routes/*": ["routes/*"],
            "@utils/*": ["utils/*"]
        }
    },
    "include": ["src/**/*.ts", "src/**/*.json", ".env", "global.d.ts"],
    "exclude": ["node_modules", "src/http", "src/logs", "src/tests"]
}

Custom type on express Request doesn't work on execution

Custom type on express Request doesn't work on execution

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