@nestjs/common
Version:
Nest - modern, fast, powerful node.js web framework (@common)
265 lines (264 loc) • 9.7 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.Res = exports.Req = exports.Headers = exports.Session = exports.Ip = exports.Next = exports.Response = exports.Request = void 0;
exports.assignMetadata = assignMetadata;
exports.UploadedFile = UploadedFile;
exports.UploadedFiles = UploadedFiles;
exports.Query = Query;
exports.Body = Body;
exports.RawBody = RawBody;
exports.Param = Param;
exports.HostParam = HostParam;
const constants_1 = require("../../constants");
const route_paramtypes_enum_1 = require("../../enums/route-paramtypes.enum");
const shared_utils_1 = require("../../utils/shared.utils");
function assignMetadata(args, paramtype, index, data, ...pipes) {
return {
...args,
[`${paramtype}:${index}`]: {
index,
data,
pipes,
},
};
}
function createRouteParamDecorator(paramtype) {
return (data) => (target, key, index) => {
const args = Reflect.getMetadata(constants_1.ROUTE_ARGS_METADATA, target.constructor, key) || {};
Reflect.defineMetadata(constants_1.ROUTE_ARGS_METADATA, assignMetadata(args, paramtype, index, data), target.constructor, key);
};
}
const createPipesRouteParamDecorator = (paramtype) => (data, ...pipes) => (target, key, index) => {
const args = Reflect.getMetadata(constants_1.ROUTE_ARGS_METADATA, target.constructor, key) || {};
const hasParamData = (0, shared_utils_1.isNil)(data) || (0, shared_utils_1.isString)(data);
const paramData = hasParamData ? data : undefined;
const paramPipes = hasParamData ? pipes : [data, ...pipes];
Reflect.defineMetadata(constants_1.ROUTE_ARGS_METADATA, assignMetadata(args, paramtype, index, paramData, ...paramPipes), target.constructor, key);
};
/**
* Route handler parameter decorator. Extracts the `Request`
* object from the underlying platform and populates the decorated
* parameter with the value of `Request`.
*
* Example: `logout(@Request() req)`
*
* @see [Request object](https://docs.nestjs.com/controllers#request-object)
*
* @publicApi
*/
exports.Request = createRouteParamDecorator(route_paramtypes_enum_1.RouteParamtypes.REQUEST);
/**
* Route handler parameter decorator. Extracts the `Response`
* object from the underlying platform and populates the decorated
* parameter with the value of `Response`.
*
* Example: `logout(@Response() res)`
*
* @publicApi
*/
const Response = (options) => (target, key, index) => {
if (options?.passthrough) {
Reflect.defineMetadata(constants_1.RESPONSE_PASSTHROUGH_METADATA, options?.passthrough, target.constructor, key);
}
return createRouteParamDecorator(route_paramtypes_enum_1.RouteParamtypes.RESPONSE)()(target, key, index);
};
exports.Response = Response;
/**
* Route handler parameter decorator. Extracts reference to the `Next` function
* from the underlying platform and populates the decorated
* parameter with the value of `Next`.
*
* @publicApi
*/
exports.Next = createRouteParamDecorator(route_paramtypes_enum_1.RouteParamtypes.NEXT);
/**
* Route handler parameter decorator. Extracts the `Ip` property
* from the `req` object and populates the decorated
* parameter with the value of `ip`.
*
* @see [Request object](https://docs.nestjs.com/controllers#request-object)
*
* @publicApi
*/
exports.Ip = createRouteParamDecorator(route_paramtypes_enum_1.RouteParamtypes.IP);
/**
* Route handler parameter decorator. Extracts the `Session` object
* from the underlying platform and populates the decorated
* parameter with the value of `Session`.
*
* @see [Request object](https://docs.nestjs.com/controllers#request-object)
*
* @publicApi
*/
exports.Session = createRouteParamDecorator(route_paramtypes_enum_1.RouteParamtypes.SESSION);
/**
* Route handler parameter decorator. Extracts the `file` object
* and populates the decorated parameter with the value of `file`.
* Used in conjunction with
* [multer middleware](https://github.com/expressjs/multer) for Express-based applications.
*
* For example:
* ```typescript
* uploadFile(@UploadedFile() file) {
* console.log(file);
* }
* ```
* @see [Request object](https://docs.nestjs.com/techniques/file-upload)
*
* @publicApi
*/
function UploadedFile(fileKey, ...pipes) {
return createPipesRouteParamDecorator(route_paramtypes_enum_1.RouteParamtypes.FILE)(fileKey, ...pipes);
}
/**
* Route handler parameter decorator. Extracts the `files` object
* and populates the decorated parameter with the value of `files`.
* Used in conjunction with
* [multer middleware](https://github.com/expressjs/multer) for Express-based applications.
*
* For example:
* ```typescript
* uploadFile(@UploadedFiles() files) {
* console.log(files);
* }
* ```
* @see [Request object](https://docs.nestjs.com/techniques/file-upload)
*
* @publicApi
*/
function UploadedFiles(...pipes) {
return createPipesRouteParamDecorator(route_paramtypes_enum_1.RouteParamtypes.FILES)(undefined, ...pipes);
}
/**
* Route handler parameter decorator. Extracts the `headers`
* property from the `req` object and populates the decorated
* parameter with the value of `headers`.
*
* For example: `async update(@Headers('Cache-Control') cacheControl: string)`
*
* @param property name of single header property to extract.
*
* @see [Request object](https://docs.nestjs.com/controllers#request-object)
*
* @publicApi
*/
exports.Headers = createRouteParamDecorator(route_paramtypes_enum_1.RouteParamtypes.HEADERS);
/**
* Route handler parameter decorator. Extracts the `query`
* property from the `req` object and populates the decorated
* parameter with the value of `query`. May also apply pipes to the bound
* query parameter.
*
* For example:
* ```typescript
* async find(@Query('user') user: string)
* ```
*
* @param property name of single property to extract from the `query` object
* @param pipes one or more pipes to apply to the bound query parameter
*
* @see [Request object](https://docs.nestjs.com/controllers#request-object)
*
* @publicApi
*/
function Query(property, ...pipes) {
return createPipesRouteParamDecorator(route_paramtypes_enum_1.RouteParamtypes.QUERY)(property, ...pipes);
}
/**
* Route handler parameter decorator. Extracts the entire `body` object
* property, or optionally a named property of the `body` object, from
* the `req` object and populates the decorated parameter with that value.
* Also applies pipes to the bound body parameter.
*
* For example:
* ```typescript
* async create(@Body('role', new ValidationPipe()) role: string)
* ```
*
* @param property name of single property to extract from the `body` object
* @param pipes one or more pipes - either instances or classes - to apply to
* the bound body parameter.
*
* @see [Request object](https://docs.nestjs.com/controllers#request-object)
* @see [Working with pipes](https://docs.nestjs.com/custom-decorators#working-with-pipes)
*
* @publicApi
*/
function Body(property, ...pipes) {
return createPipesRouteParamDecorator(route_paramtypes_enum_1.RouteParamtypes.BODY)(property, ...pipes);
}
/**
* Route handler parameter decorator. Extracts the `rawBody` Buffer
* property from the `req` object and populates the decorated parameter with that value.
* Also applies pipes to the bound rawBody parameter.
*
* For example:
* ```typescript
* async create(@RawBody(new ValidationPipe()) rawBody: Buffer)
* ```
*
* @param pipes one or more pipes - either instances or classes - to apply to
* the bound body parameter.
*
* @see [Request object](https://docs.nestjs.com/controllers#request-object)
* @see [Raw body](https://docs.nestjs.com/faq/raw-body)
* @see [Working with pipes](https://docs.nestjs.com/custom-decorators#working-with-pipes)
*
* @publicApi
*/
function RawBody(...pipes) {
return createPipesRouteParamDecorator(route_paramtypes_enum_1.RouteParamtypes.RAW_BODY)(undefined, ...pipes);
}
/**
* Route handler parameter decorator. Extracts the `params`
* property from the `req` object and populates the decorated
* parameter with the value of `params`. May also apply pipes to the bound
* parameter.
*
* For example, extracting all params:
* ```typescript
* findOne(@Param() params: string[])
* ```
*
* For example, extracting a single param:
* ```typescript
* findOne(@Param('id') id: string)
* ```
* @param property name of single property to extract from the `req` object
* @param pipes one or more pipes - either instances or classes - to apply to
* the bound parameter.
*
* @see [Request object](https://docs.nestjs.com/controllers#request-object)
* @see [Working with pipes](https://docs.nestjs.com/custom-decorators#working-with-pipes)
*
* @publicApi
*/
function Param(property, ...pipes) {
return createPipesRouteParamDecorator(route_paramtypes_enum_1.RouteParamtypes.PARAM)(property, ...pipes);
}
/**
* Route handler parameter decorator. Extracts the `hosts`
* property from the `req` object and populates the decorated
* parameter with the value of `params`. May also apply pipes to the bound
* parameter.
*
* For example, extracting all params:
* ```typescript
* findOne(@HostParam() params: string[])
* ```
*
* For example, extracting a single param:
* ```typescript
* findOne(@HostParam('id') id: string)
* ```
* @param property name of single property to extract from the `req` object
*
* @see [Request object](https://docs.nestjs.com/controllers#request-object)
*
* @publicApi
*/
function HostParam(property) {
return createRouteParamDecorator(route_paramtypes_enum_1.RouteParamtypes.HOST)(property);
}
exports.Req = exports.Request;
exports.Res = exports.Response;