NHttp Controller
Micro routing controller for Deno with decorator support.
limited to nhttp only. requires nhttp version 1.1.7 or higher.
Installation
deno.land
import {...} from "https://deno.land/x/nhttp_controller@0.8.0/mod.ts";nest.land
import {...} from "https://x.nest.land/nhttp_controller@0.8.0/mod.ts";Usage
import { NHttp } from "https://deno.land/x/nhttp@{version}/mod.ts";
import {
addControllers,
BaseController,
Controller,
Get,
Post,
Status,
} from "https://deno.land/x/nhttp_controller@0.8.0/mod.ts";
@Controller("/hello")
class HelloController extends BaseController {
@Get()
findAll() {
return { name: "john" };
}
@Get("/:id")
findById() {
const { params } = this.requestEvent;
return params;
}
@Status(201)
@Post()
save() {
const { body } = this.requestEvent;
return body;
}
}
class App extends NHttp {
constructor() {
super();
this.use("/api", addControllers([HelloController]));
}
}
new App().listen(3000);Decorator
Controller
@Controller(path?: string).
...
@Controller("/hello")
class HelloController extends BaseController {...}
...Method
@METHOD(path?: string).
Support => @Get, @Post, @Put, @Delete, @Patch, @Head, @Options, @Any, @Trace, @Connect.
...
@Controller("/hello")
class HelloController extends BaseController {
@Get()
hello() {
return "hello";
}
}
...Status
@Status(code: number | (rev, next) => number).
...
@Controller("/hello")
class HelloController extends BaseController {
@Status(201)
@Post()
save() {
return "Created";
}
@Status((rev) => {
// logic here
return 200;
})
@Put('/:id')
update() {
return "Updated";
}
}
...Header
@Header(object | (rev, next) => object).
...
@Controller("/hello")
class HelloController extends BaseController {
@Header({ "Content-Type": "text/html" })
@Get()
hello() {
return "<h1>Hello</h1>";
}
@Header((rev) => {
let type = rev.url.includes(".css") ? "text/css" : "text/plain";
return { "Content-Type": type };
})
@Get()
hello2() {
return Deno.readFile('./path/to/file');
}
}
...Type
@Type(contentType:string | (rev, next) => string).
...
@Controller("/hello")
class HelloController extends BaseController {
@Type("html")
@Get()
hello() {
return "<h1>Hello</h1>";
}
}
...View
@View(source). requires nhttp_view
...
@Controller("/hello")
class HelloController extends BaseController {
@View("index")
@Get()
hello() {
// parameter
return {
name: "my_param"
};
}
}
...Middlewares
@Wares(…middlewares).
...
@Controller("/hello")
class HelloController extends BaseController {
@Wares((rev, next) => {
rev.foo = "foo";
return next();
})
@Get()
hello() {
const { foo } = this.requestEvent;
return foo;
}
}
...Upload
@Upload(options).
Relation to multipart
...
@Controller("/hello")
class HelloController extends BaseController {
@Upload({
name: 'image',
required: true,
maxSize: '2mb'
})
@Post()
hello() {
const { body, file } = this.requestEvent;
console.log(file)
console.log(body)
return 'Success upload';
}
}
...Inject
@Inject(value: any, …args: any).
...
class HelloService {
async findAll() {
const data = await db.findAll();
return { data, status: 200 };
}
async save(body) {
await db.save(body);
return { message: 'success save', status: 201 };
}
}
@Controller("/hello")
class HelloController extends BaseController {
@Inject(HelloService)
private readonly service!: HelloService;
@Get()
findAll() {
return this.service.findAll();
}
@Status(201)
@Post()
save() {
const { body } = this.requestEvent;
return this.service.save(body);
}
}
...addControllers
addControllers(classControllers: class[]).
...
app.use(addControllers([HelloController, OtherController]));
app.use('/api/v1', addControllers([HelloController, OtherController]));
app.use('/api/v1', middlewares, addControllers([HelloController, OtherController]));
...