swagger-express-ts
Advanced tools
Automatically generate and serve swagger.json
First, install inversify-express-utils.
npm install inversify inversify-express-utils reflect-metadata --save
Install swagger-express-ts.
npm install swagger-express-ts --save
import * as express from "express";
import "reflect-metadata";
import { Container } from "inversify";
import { interfaces, InversifyExpressServer, TYPE } from "inversify-express-utils";
import { VersionController } from "./version/version.controller";
import * as swagger from "./lib/swagger-specification";
import { SwaggerDefinitionConstant } from "swagger-express-ts";
// set up container
const container = new Container();
// bind your controllers to Controller
container.bind<interfaces.Controller>( TYPE.Controller )
.to( VersionController ).whenTargetNamed( VersionController.TARGET_NAME );
// create server
const server = new InversifyExpressServer( container );
// configure server
server.setConfig( ( app: any ) => {
app.use( swagger.express( {
definition : {
info : {
title : "Mon api",
version : "1.0"
},
models : {
Version : {
properties : {
name : { type : SwaggerDefinitionConstant.Definition.Property.Type.STRING, required : true },
description : { type : SwaggerDefinitionConstant.Definition.Property.Type.STRING },
version : { type : SwaggerDefinitionConstant.Definition.Property.Type.STRING, required : true }
}
}
}
}
} ) );
} );
// configure error
server.setErrorConfig( ( app: any ) => {
app.use( ( err: Error, request: express.Request, response: express.Response, next: express.NextFunction ) => {
console.error( err.stack );
response.status( 500 ).send( "Something broke!" );
} );
} );
// start server
const app = server.build();
app.listen( 3000 );
import * as express from "express";
import { injectable } from "inversify";
import { controller, httpGet, interfaces, httpPost } from "inversify-express-utils";
import { ApiPath, ApiOperationGet, ApiOperationPost } from "swagger-express-ts";
import "reflect-metadata";
@ApiPath( {
path : "/version",
name : "Version",
description : "Everything about version"
} )
@controller( "/version" )
@injectable()
export class VersionController implements interfaces.Controller {
public static TARGET_NAME: string = "VersionController";
@ApiOperationGet( {
responses : {
200 : {
description : "Success",
definition : "Version"
}
}
} )
@httpGet( "/" )
public getVersions( request: express.Request, response: express.Response, next: express.NextFunction ): void {
response.json( {
description : pkg.description,
name : pkg.name,
version : pkg.version,
} );
}
@ApiOperationPost( {
parameters : {
body : {
description : "New version",
required : true,
definition: "Version"
}
},
responses : {
200 : { description : "Success" },
400 : { description : "Parameters fail" }
}
} )
@httpPost( "/" )
public postVersion( request: express.Request, response: express.Response, next: express.NextFunction ): void {
if ( ! request.body ) {
return response.status( 400 ).end();
}
response.json( request.body );
}
}
Start your server and test on url : /api-docs/swagger.json
You can serve swagger.json and swagger-ui in your API.
npm install swagger-ui-dist --save
Create index.html in new directory "swagger".
<!-- HTML for static distribution bundle build -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Swagger UI</title>
<link href="https://fonts.googleapis.com/css?family=Open+Sans:400,700|Source+Code+Pro:300,600|Titillium+Web:400,600,700"
rel="stylesheet">
<link rel="stylesheet" type="text/css" href="/api-docs/swagger/assets/swagger-ui.css">
<link rel="icon" type="image/png" href="/api-docs/swagger/assets/favicon-32x32.png" sizes="32x32"/>
<link rel="icon" type="image/png" href="/api-docs/swagger/assets/favicon-16x16.png" sizes="16x16"/>
<style>
html {
box-sizing: border-box;
overflow: -moz-scrollbars-vertical;
overflow-y: scroll;
}
*,
*:before,
*:after {
box-sizing: inherit;
}
body {
margin: 0;
background: #fafafa;
}
</style>
</head>
<body>
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
style="position:absolute;width:0;height:0">
<defs>
<symbol viewBox="0 0 20 20" id="unlocked">
<path d="M15.8 8H14V5.6C14 2.703 12.665 1 10 1 7.334 1 6 2.703 6 5.6V6h2v-.801C8 3.754 8.797 3 10 3c1.203 0 2 .754 2 2.199V8H4c-.553 0-1 .646-1 1.199V17c0 .549.428 1.139.951 1.307l1.197.387C5.672 18.861 6.55 19 7.1 19h5.8c.549 0 1.428-.139 1.951-.307l1.196-.387c.524-.167.953-.757.953-1.306V9.199C17 8.646 16.352 8 15.8 8z"></path>
</symbol>
<symbol viewBox="0 0 20 20" id="locked">
<path d="M15.8 8H14V5.6C14 2.703 12.665 1 10 1 7.334 1 6 2.703 6 5.6V8H4c-.553 0-1 .646-1 1.199V17c0 .549.428 1.139.951 1.307l1.197.387C5.672 18.861 6.55 19 7.1 19h5.8c.549 0 1.428-.139 1.951-.307l1.196-.387c.524-.167.953-.757.953-1.306V9.199C17 8.646 16.352 8 15.8 8zM12 8H8V5.199C8 3.754 8.797 3 10 3c1.203 0 2 .754 2 2.199V8z"/>
</symbol>
<symbol viewBox="0 0 20 20" id="close">
<path d="M14.348 14.849c-.469.469-1.229.469-1.697 0L10 11.819l-2.651 3.029c-.469.469-1.229.469-1.697 0-.469-.469-.469-1.229 0-1.697l2.758-3.15-2.759-3.152c-.469-.469-.469-1.228 0-1.697.469-.469 1.228-.469 1.697 0L10 8.183l2.651-3.031c.469-.469 1.228-.469 1.697 0 .469.469.469 1.229 0 1.697l-2.758 3.152 2.758 3.15c.469.469.469 1.229 0 1.698z"/>
</symbol>
<symbol viewBox="0 0 20 20" id="large-arrow">
<path d="M13.25 10L6.109 2.58c-.268-.27-.268-.707 0-.979.268-.27.701-.27.969 0l7.83 7.908c.268.271.268.709 0 .979l-7.83 7.908c-.268.271-.701.27-.969 0-.268-.269-.268-.707 0-.979L13.25 10z"/>
</symbol>
<symbol viewBox="0 0 20 20" id="large-arrow-down">
<path d="M17.418 6.109c.272-.268.709-.268.979 0s.271.701 0 .969l-7.908 7.83c-.27.268-.707.268-.979 0l-7.908-7.83c-.27-.268-.27-.701 0-.969.271-.268.709-.268.979 0L10 13.25l7.418-7.141z"/>
</symbol>
<symbol viewBox="0 0 24 24" id="jump-to">
<path d="M19 7v4H5.83l3.58-3.59L8 6l-6 6 6 6 1.41-1.41L5.83 13H21V7z"/>
</symbol>
<symbol viewBox="0 0 24 24" id="expand">
<path d="M10 18h4v-2h-4v2zM3 6v2h18V6H3zm3 7h12v-2H6v2z"/>
</symbol>
</defs>
</svg>
<div id="swagger-ui"></div>
<script src="/api-docs/swagger/assets/swagger-ui-bundle.js"></script>
<script src="/api-docs/swagger/assets/swagger-ui-standalone-preset.js"></script>
<script>
window.onload = function () {
// Build a system
const ui = SwaggerUIBundle ({
url: "/api-docs/swagger.json",
dom_id: '#swagger-ui',
deepLinking: true,
presets: [
SwaggerUIBundle.presets.apis,
SwaggerUIStandalonePreset
],
plugins: [
SwaggerUIBundle.plugins.DownloadUrl
],
layout: "StandaloneLayout",
validatorUrl: null
});
window.ui = ui
}
</script>
</body>
</html>
Configure your server like that.
app.use( '/api-docs/swagger', express.static( 'swagger' ) );
app.use( '/api-docs/swagger/assets', express.static( 'node_modules/swagger-ui-dist' ) );
Test it on url "/api-docs/swagger". It's cool!
License under the MIT License (MIT)
Copyright © 2018 Olivier LIN-SI-CHENG
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Example:
app.use(
swagger.express({
definition: {
setInfo: {
title: 'My api',
version: '1.0',
},
models: {
Version: {
properties: {
id: {
type:
SwaggerDefinitionConstant.Definition.Property
.Type.STRING,
required: true,
},
name: {
type:
SwaggerDefinitionConstant.Definition.Property
.Type.STRING,
required: true,
},
description: {
type:
SwaggerDefinitionConstant.Definition.Property
.Type.STRING,
},
version: {
type:
SwaggerDefinitionConstant.Definition.Property
.Type.STRING,
},
},
},
},
},
})
);
Example:
import { injectable } from 'inversify';
import 'reflect-metadata';
import { ApiPath } from 'swagger-express-ts';
import { controller } from 'inversify-express-utils';
@ApiPath({
path: '/version',
name: 'Version',
})
@controller('/version')
@injectable()
export class VersionController implements interfaces.Controller {
public static TARGET_NAME: string = 'VersionController';
}
Example:
import * as express from 'express';
import { injectable } from 'inversify';
import {
controller,
interfaces,
requestParam,
httpDelete,
} from 'inversify-express-utils';
import {
ApiPath,
ApiOperationDelete,
SwaggerDefinitionConstant,
} from 'swagger-express-ts';
import 'reflect-metadata';
@ApiPath({
path: '/versions',
name: 'Version',
})
@controller('/versions')
@injectable()
export class VersionController implements interfaces.Controller {
public static TARGET_NAME: string = 'VersionController';
private data: [any] = [
{
id: '1',
name: 'Version 1',
description: 'Description Version 1',
version: '1.0.0',
},
{
id: '2',
name: 'Version 2',
description: 'Description Version 2',
version: '2.0.0',
},
];
@ApiOperationDelete({
path: '/{id}',
parameters: {
path: {
id: {
description: 'Id of version',
type: SwaggerDefinitionConstant.Parameter.Type.STRING,
required: true,
},
},
},
responses: {
200: { description: 'Success' },
},
})
@httpDelete('/:id')
public deleteVersion(
@requestParam('id') id: string,
request: express.Request,
response: express.Response,
next: express.NextFunction
): void {
this.data.forEach((version: any, index: number) => {
if (version.id === id) {
this.data.splice(index, 1);
return response.status(200).end();
}
});
response.status(404).end();
}
}
Decorate method for getting a resource in your controller.
Example:
import * as express from 'express';
import { injectable } from 'inversify';
import {
controller,
interfaces,
requestParam,
httpGet,
} from 'inversify-express-utils';
import {
ApiPath,
ApiOperationGet,
SwaggerDefinitionConstant,
} from 'swagger-express-ts';
import 'reflect-metadata';
@ApiPath({
path: '/versions',
name: 'Version',
})
@controller('/versions')
@injectable()
export class VersionController implements interfaces.Controller {
public static TARGET_NAME: string = 'VersionController';
private data: [any] = [
{
id: '1',
name: 'Version 1',
description: 'Description Version 1',
version: '1.0.0',
},
{
id: '2',
name: 'Version 2',
description: 'Description Version 2',
version: '2.0.0',
},
];
@ApiOperationGet({
description: 'Get version object',
summary: 'Get version',
responses: {
200: { description: 'Success', isArray: true, model: 'Version' },
},
})
@httpGet('/')
public getVersions(
request: express.Request,
response: express.Response,
next: express.NextFunction
): void {
response.json(this.data);
}
}
Decorate method for updating a field of resource in your controller.
Example:
import * as express from 'express';
import { injectable } from 'inversify';
import {
controller,
interfaces,
requestParam,
httpPatch,
} from 'inversify-express-utils';
import {
ApiPath,
ApiOperationPatch,
SwaggerDefinitionConstant,
} from 'swagger-express-ts';
import 'reflect-metadata';
@ApiPath({
path: '/versions',
name: 'Version',
})
@controller('/versions')
@injectable()
export class VersionController implements interfaces.Controller {
public static TARGET_NAME: string = 'VersionController';
private data: [any] = [
{
id: '1',
name: 'Version 1',
description: 'Description Version 1',
version: '1.0.0',
},
{
id: '2',
name: 'Version 2',
description: 'Description Version 2',
version: '2.0.0',
},
];
@ApiOperationPatch({
path: '/{id}/description',
description: 'Patch description in version object',
summary: 'Patch description in version',
parameters: {
path: {
id: {
description: 'Id of version',
type: SwaggerDefinitionConstant.Parameter.Type.STRING,
required: true,
},
},
body: {
description: 'New version',
required: true,
model: 'Version',
},
},
responses: {
200: { description: 'Success' },
400: { description: 'Parameters fail' },
404: { description: 'Version not found' },
},
})
@httpPatch('/:id/description')
public patchVersionDescription(
@requestParam('id') id: string,
request: express.Request,
response: express.Response,
next: express.NextFunction
): void {
if (!request.body) {
return response.status(400).end();
}
this.data.forEach((version: any) => {
if (version.id === id) {
version.description = request.body.description;
return response.json(version);
}
});
response.status(404).end();
}
}
Decorate method for create a resource in your controller.
Example:
import * as express from 'express';
import { injectable } from 'inversify';
import {
controller,
interfaces,
requestParam,
httpPost,
} from 'inversify-express-utils';
import {
ApiPath,
ApiOperationPost,
SwaggerDefinitionConstant,
} from 'swagger-express-ts';
import 'reflect-metadata';
@ApiPath({
path: '/versions',
name: 'Version',
})
@controller('/versions')
@injectable()
export class VersionController implements interfaces.Controller {
public static TARGET_NAME: string = 'VersionController';
private data: [any] = [
{
id: '1',
name: 'Version 1',
description: 'Description Version 1',
version: '1.0.0',
},
{
id: '2',
name: 'Version 2',
description: 'Description Version 2',
version: '2.0.0',
},
];
@ApiOperationPost({
description: 'Post version object',
summary: 'Post new version',
parameters: {
body: {
description: 'New version',
required: true,
model: 'Version',
},
},
responses: {
200: { description: 'Success' },
400: { description: 'Parameters fail' },
},
})
@httpPost('/')
public postVersion(
request: express.Request,
response: express.Response,
next: express.NextFunction
): void {
if (!request.body) {
return response.status(400).end();
}
this.data.push(request.body);
response.json(request.body);
}
}
Decorate method for updating a resource in your controller.
Example:
import * as express from 'express';
import { injectable } from 'inversify';
import {
controller,
interfaces,
requestParam,
httpPut,
} from 'inversify-express-utils';
import {
ApiPath,
ApiOperationPut,
SwaggerDefinitionConstant,
} from 'swagger-express-ts';
import 'reflect-metadata';
@ApiPath({
path: '/versions',
name: 'Version',
})
@controller('/versions')
@injectable()
export class VersionController implements interfaces.Controller {
public static TARGET_NAME: string = 'VersionController';
private data: [any] = [
{
id: '1',
name: 'Version 1',
description: 'Description Version 1',
version: '1.0.0',
},
{
id: '2',
name: 'Version 2',
description: 'Description Version 2',
version: '2.0.0',
},
];
@ApiOperationPut({
path: '/{id}',
parameters: {
path: {
id: {
description: 'Id of version',
type: SwaggerDefinitionConstant.Parameter.Type.STRING,
required: true,
},
},
body: {
description: 'Updated version',
model: 'Version',
required: true,
},
},
responses: {
200: { model: 'Version' },
},
})
@httpPut('/:id')
public putVersion(
@requestParam('id') id: string,
request: express.Request,
response: express.Response,
next: express.NextFunction
): void {
if (!request.body) {
return response.status(400).end();
}
this.data.forEach((version: any, index: number) => {
if (version.id === id) {
let newVersion = request.body;
version.id = newVersion.id;
version.name = newVersion.name;
version.description = newVersion.description;
version.version = newVersion.version;
this.data[index] = version;
return response.json(version);
}
});
response.status(404).end();
}
}
FAQs
Generate and serve swagger.json
The npm package swagger-express-ts receives a total of 4,008 weekly downloads. As such, swagger-express-ts popularity was classified as popular.
We found that swagger-express-ts demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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