express-openapi
Advanced tools
An unopinionated OpenAPI framework for express
express as possible.res.validateResponse tailored to a particular route.
format validators.
keywords validators (openapi-request-validator only).
collectionFormat for formData array parameters.basePath.
apiDoc.basePath + args.docsPath).apiDoc and operationDoc to requests E.G. req.apiDoc and req.operationDocconsumes mimeTypes.
security in operation docs.
Taken from openapis.org:
The goal of the OAI specification is to define a standard, language-agnostic interface to REST APIs which allows both humans and computers to discover and understand the capabilities of the service without access to source code, documentation, or through network traffic inspection. When properly defined, a consumer can understand and interact with the remote service with a minimal amount of implementation logic. Similar to what interfaces have done for lower-level programming
To study the current specification view the docs.
To see example projects, look at our test suite.
This getting started guide will use the most fundamental concepts of OpenAPI and
express-openapi.
Create your API's main apiDoc. You can create it anywhere. For this example
we'll create it in under an api-v1/ directory:
// ./api-v1/api-doc.js
const apiDoc = {
swagger: '2.0',
basePath: '/v1',
info: {
title: 'A getting started API.',
version: '1.0.0'
},
definitions: {
World: {
type: 'object',
properties: {
name: {
description: 'The name of this world.',
type: 'string'
}
},
required: ['name']
}
},
paths: {}
};
export default apiDoc;
You may be wondering why paths can be an empty object literal. We'll get to that in a second.
This is all that is required for our API's main apiDoc. To see the full list of values and options for the main apiDoc you can view The Schema.
Note: You can also use a YAML string instead of javascript objects e.g.
# ./api-v1/api-doc.yml
swagger: '2.0'
basePath: '/v1'
info:
title: 'A getting started API.'
version: '1.0.0'
definitions:
World:
type: 'object'
properties:
name:
description: 'The name of this world.'
type: 'string'
required:
- 'name'
paths: {}
Create path handlers.
Our paths object was empty in the main apiDoc because express-openapi will generate it for us
based on the location of our path handlers.
For this example we'll place our path handlers under api-v1/paths/.
Let's create a worlds path:
// ./api-v1/paths/worlds.js
export default function(worldsService) {
let operations = {
GET
};
function GET(req, res, next) {
res.status(200).json(worldsService.getWorlds(req.query.worldName));
}
// NOTE: We could also use a YAML string here.
GET.apiDoc = {
summary: 'Returns worlds by name.',
operationId: 'getWorlds',
parameters: [
{
in: 'query',
name: 'worldName',
required: true,
type: 'string'
}
],
responses: {
200: {
description: 'A list of worlds that match the requested name.',
schema: {
type: 'array',
items: {
$ref: '#/definitions/World'
}
}
},
default: {
description: 'An error occurred',
schema: {
additionalProperties: true
}
}
}
};
return operations;
}
In OpenAPI we define what operations a path exposes. Operations are exposed as HTTP methods.
The apiDoc property of the GET http method configures the getWorld operation
with express-openapi. Without it express-openapi would do nothing with it. We
can see that worldName is a required query parameter. If we were to call this
operation without worldName we would receive a 400 input validation error.
In this example, we're also using dependency injection. This allows us to easily connect our path handlers with our API's services. We could've exposed an object literal instead of a function. The dependency injection approach is recommended which is why we use it here.
Note: If you prefer not to follow this design driven approach, or if you'd rather have your API's documentation solely in the apiDoc file, you can provide operation handlers with args.operations.
Create services
We referenced a worldsService in our path handler, let's create it now. It's
best to place services that conform to your API's object definitions under a versioned
folder. This keeps API versioned code separately and allows you to scale your app
for multiple API versions.
// ./api-v1/services/worldsService.js
let worlds = {
Earth: {
name: 'Earth'
}
};
const worldsService = {
getWorlds(name) {
return worlds[name] ? [worlds[name]] : [];
}
};
export default worldsService;
Initialize your express app with express-openapi
We'll create our app file as usual and we'll initialize it with express-openapi:
// ./app.js
import express from 'express';
import { initialize } from 'express-openapi';
import v1WorldsService from './api-v1/services/worldsService';
import v1ApiDoc from './api-v1/api-doc';
const app = express();
initialize({
app,
// NOTE: If using yaml you can provide a path relative to process.cwd() e.g.
// apiDoc: './api-v1/api-doc.yml',
apiDoc: v1ApiDoc,
dependencies: {
worldsService: v1WorldsService
},
paths: './api-v1/paths'
});
app.listen(3000);
Our paths are now active and we can test them out with Swagger UI. This getting started guide didn't cover everything. For more examples see the sample projects used in our extensive test suite.
OpenAPI allows vendor extensions to be used throughout your api doc.
'x-express-openapi-case-sensitive': false - Use this in parameter definitions to
allow parameter names to be case insensitive. Use cases may include moving from
a legacy application that didn't enforce case sensitivity (see #49).
GET.apiDoc = {
...
parameters: [
{
name: 'paramName',
in: 'query',
type: 'string',
required: true,
'x-express-openapi-case-sensitive': false
}
],
...
};
Calling this operation with paramname=5 will not affect the validity of the request
and your path handler will receive paramName=5.
x-express-openapi-schema-extension: {} - Use this to extend the schema being used. An
example use case can be allowing oneOf with version 2.0 documents.
i.e.
x-express-openapi-schema-extension: {
definitions: {
schema: {
properties: {
oneOf: {
type: "array",
minItems: 1,
items: {
$ref: "#/definitions/schema"
}
}
}
}
}
}
You can directly control what middleware express-openapi adds to your express app
by using the following vendor extension properties. These properties are scoped, so
if you use one as a root property of your API Document, all paths and operations will
be affected. Similarly if you just want to configure middleware for an operation,
you can use these properties in said operation's apiDoc. See full examples in the
./test/sample-projects/
directory.
'x-express-openapi-additional-middleware': [myMiddleware] - Adds the provided
middleware after defaults, coercion, and validation middleware (added by
express-openapi) but before middleware defined in operations and before the response is sent. This property
inherits from all previous properties. For an example of how to perform global response validation based on this extension, see Express Middleware to Validate Responses on All Routes'x-express-openapi-inherit-additional-middleware': false - Prevents middleware
added in a parent scope with x-express-openapi-additional-middleware. This extension
works from the methodDoc up to the apiDoc, as opposed to the apiDoc down to the methodDoc.
The effect is that using this extension in the methodDoc would prevent that method
from receiving any additional middleware defined in parent scopes. You can use this
extension in any scope (methodDoc, pathDoc, or apiDoc) and the result i the same.'x-express-openapi-disable-middleware': true - Disables all middleware.'x-express-openapi-disable-coercion-middleware': true - Disables coercion middleware.'x-express-openapi-disable-defaults-middleware': true - Disables
defaults middleware.'x-express-openapi-disable-response-validation-middleware': true - Disables
response validation middleware I.E. no res.validateResponse method will be
available in the affected operation handler method.'x-express-openapi-disable-validation-middleware': true - Disables input
validation middleware.By overriding the implementation of res.send within a middleware function, it is possible to perform res.validateResponse on all paths, and allow the paths to use res.send or res.json. The example below is how such a middleware might be added to app.js.
function validateAllResponses(req, res, next) {
const strictValidation = req.apiDoc['x-express-openapi-validation-strict'] ? true : false;
if (typeof res.validateResponse === 'function') {
const send = res.send;
res.send = function expressOpenAPISend(...args) {
const onlyWarn = !strictValidation;
if (res.get('x-express-openapi-validation-error-for') !== undefined) {
return send.apply(res, args);
}
const body = args[0];
let validation = res.validateResponse(res.statusCode, body);
let validationMessage;
if (validation === undefined) {
validation = { message: undefined, errors: undefined };
}
if (validation.errors) {
const errorList = Array.from(validation.errors).map(_ => _.message).join(',');
validationMessage = `Invalid response for status code ${res.statusCode}: ${errorList}`;
console.warn(validationMessage);
// Set to avoid a loop, and to provide the original status code
res.set('x-express-openapi-validation-error-for', res.statusCode.toString());
}
if (onlyWarn || !validation.errors) {
return send.apply(res, args);
} else {
res.status(500);
return res.json({ error: validationMessage });
}
}
}
next();
}
initialize({
app: app,
paths: path.resolve(__dirname, 'api-paths'),
apiDoc: {
...apiDoc,
'x-express-openapi-additional-middleware': [validateAllResponses],
'x-express-openapi-validation-strict': true
}
});
Initializes paths and middleware on an express app, and returns an initialized api. An initialized api contains the following properties:
apiDoc - This is the final result of the apiDoc after processing.| Type | Required | Description |
|---|---|---|
| Object or String | Y | This is an OpenAPI (swagger 2.0) compliant document. See the OpenAPI-Specification for more details. |
args.apiDoc.paths can be an empty object. In that case express-openapi will populate this
for you based on your operation level apiDocs.
It is also possible to have just one central apiDoc.
args.apiDoc.basePath will add a prefix to all paths added by express-openapi.
args.apiDoc.definitions will be used for de-referencing $ref properties in
parameters.
You may pass a javascript object or a YAML string.
| Type | Required | Description |
|---|---|---|
| Object | Y | The express app you wish to initialize. |
| Type | Required | Default Value | Description |
|---|---|---|---|
| Object | N | null | A key value map of mimeTypes and middleware. |
Each key is the mime type from the consumes array of either the apiDoc or the operation doc.
var bodyParser = require('body-parser');
initialize({
/*...*/
consumesMiddleware: {
'application/json': bodyParser.json(),
'text/text': bodyParser.text()
}
/*...*/
});
By adding a middleware handler for 'multipart/form-data' file uploads can be processed. For example, using multer:
var multer = require('multer');
initialize({
/*...*/
consumesMiddleware: {
'multipart/form-data': function(req, res, next) {
multer().any()(req, res, function(err) {
if (err) return next(err);
req.files.forEach(function(f) {
req.body[f.fieldname] = ''; // Set to empty string to satisfy OpenAPI spec validation
});
return next();
});
}
}
/*...*/
});
Now you can access your non-file fields via req.body, and your files via req.files. See a full example in the with-consumes-middleware-multipart-openapi3 test.
| Type | Required | Default Value | Description |
|---|---|---|---|
| Object | N | null | An object of custom formats. |
Each key is the name of the format to be used with the format keyword. Each value
is a function that accepts an input and returns a boolean value.
initialize({
/*...*/
customFormats: {
myFormat: function(input) {
return input === 'foo';
}
}
/*...*/
});
See Custom Formats in jsonschema.
| Type | Required | Default Value | Description |
|---|---|---|---|
| Object | N | null | An object of AJV KeywordDefinitions. |
Each key is the name of a custom keyword. Each value is an AJV keyword definition. Asynchronous keywords are not suported!
initialize({
/*...*/
customKeywords: {
'x-custom-keyword': {
modifying: false,
errors: false,
validate: function () {
return true;
}
}
}
/*...*/
});
See Custom Keywords in AJV.
See example with-customKeywords on how to use custom keywords for type coercion.
| Type | Required | Description |
|---|---|---|
| Object | N | Mapping from keys to dependency objects that can be injected as named parameters into path handlers exported as functions |
For path handlers that export a function instead of an object. The parameter names of the exported function directly map to keys listed in this object.
Example
// ├── api-doc.js
// ├── api-paths1
// │ └── users.js
// ├── api-paths2
// │ └── location.js
// └── app.js
// app.js
// create some backend services. You can use typescript.
// a mock data provider, for testing or local development
var mockDataProvider = require("custom-mock-data-provider");
// a pretend geo service, as an example of allowing route handlers to perform external interactions
var geoService = require("awesome-geo-service")({url: "http.example.com/geoservice"});
initialize({
apiDoc: require('./api-doc.js'),
app: app,
paths: [
path.resolve(__dirname, 'api-paths'),
],
// Provide a mapping of dependency names.
// The keys of this object can be named parameters in the signature of
// the functions exported from the modules in your paths directory.
dependencies: {
dataprovider: mockDataProvider(),
geoservice: geoService
}
});
// api-paths1/users.js
// inject both a dataprovider and geoservice dependency.
module.exports = function(geoservice, dataprovider) {
var doc = {
GET: function (req, res, next) {
res.json({user: dataprovider.getUser(req.params.userid), location: geoservice.getUserLocation(req.params.userid)});
}
};
doc.GET.apiDoc = {
...
};
return doc;
};
// api-paths2/location.js
// only inject a geoservice dependency.
module.exports = function(geoservice) {
var doc = {
GET: function (req, res, next) {
res.json({location: geoservice.getUserLocation(req.session.user.id)});
}
};
doc.GET.apiDoc = {
...
};
return doc;
};
| Type | Required | Default Value | Description |
|---|---|---|---|
| String | N | /api-docs | Sets the path that Swagger UI will use to request args.apiDoc with populated paths. You can use this to support multiple versions of your app. |
| Type | Required | Default Value | Description |
|---|---|---|---|
| Boolean | N | false | Enables object coercion in requests. |
| Type | Required | Default Value | Description |
|---|---|---|---|
| Object | N | null | A middleware function that is scoped to your api's basePath. |
This is just standard express error middleware (I.E. it has 4 arguments err, req, res, next).
When an error occurs in your API's handlers, it'll be passed to this middleware. The
rest of your app is unaffected.
Note: 4 arguments (no more, no less) must be defined in your errorMiddleware function. Otherwise the function will be silently ignored.
initialize({
apiDoc: require('v3-api-doc'),
/*...*/
errorMiddleware: function(err, req, res, next) { // only handles errors for /v3/*
/* do something with err in a v3 way */
}
/*...*/
});
| Type | Required | Description |
|---|---|---|
| Function | N | Transforms errors to a standard format as defined by the application. See openapi-request-validator#args.errorTransformer and openapi-response-validator for more info. |
| Type | Required | Default Value | Description |
|---|---|---|---|
| Boolean | N | true | Adds a route at args.apiDoc.basePath + args.docsPath. The route will respond with args.apiDoc. |
| Type | Required | Default Value | Description |
|---|---|---|---|
| Object | N | null | Map id to pre-loaded external schema |
This is used to resolve a schema reference $ref. Id can be a URL or relative path from args.docPath.
initialize({
apiDoc: require('v3-api-doc'),
/*...*/
externalSchemas: {
'http://example.com/schema': {
description: "example schema",
type: object,
/*....*/
},
'http://example.com/another-schema': {
/*....*/
}
}
/*...*/
});
And then you can reference them in your api-doc file and route handlers.
{
/*...*/
parameters: {
foo: {
"in": "body",
name: "foo",
schema: { $ref: 'http://example.com/schema'}
}
},
/*...*/
definitions: {
bar: { $ref: 'http://example.com/another-schema#/definitions/bar'}
}
}
or
put.apiDoc = {
/*...*/
parameters: [
{
"in": "body",
name: "foo",
schema: { $ref: 'http://example.com/schema'}
}
],
/*...*/
}
| Type | Required | Description |
|---|---|---|
| Object | Y (unless args.paths is provided) | An Object whose keys are operationIds in your apiDoc and whose values are operation handlers (functions) |
Consider the following example:
# ./apiDoc.yml
swagger: '2.0'
info:
title: sample api doc
version: '3'
paths:
/foo:
get:
operationId: getFoo
responses:
default:
description: return foo
schema: {}
// ./app.js
import express from 'express';
import { initialize } from 'express-openapi';
const app = express();
initialize({
app,
apiDoc: './apiDoc.yml',
operations: {
getFoo: function(req, res) {
res.send('foo');
}
}
});
app.listen(3000);
Operations also get args.dependencies injected as
this.dependencies on the function scope. This requires your
operations to be regular function
expressions
and not arrow
functions
(due to the fact that this is lexical to the surrounding scope in an
arrow function and cannot be bound to anything else). x
// ./app.js
import express from 'express';
import { initialize } from 'express-openapi';
const app = express();
initialize({
app,
apiDoc: './apiDoc.yml',
dependencies: {
log: console.log
},
operations: {
getFoo: function(req, res) {
this.dependencies.log('calling request handler');
res.send('foo');
}
}
});
app.listen(3000);
| Type | Required | Default Value | Description |
|---|---|---|---|
| Array | N | null | An array of tuples. |
Each tuple in the array consists of a RegExp to match paths, and a security
definition (see security). The tuples are traversed in reverse order, so the bottom
most matching RegExp wins. When a matching definition is found and the operation
had no security defined, it is added to the operationDoc and security middleware
is applied.
initialize({
apiDoc: require('v3-api-doc'),
/*...*/
pathSecurity: [
// here /some/{pathId} will get theirSecurity.
[/^\/some\/\{pathId\}/, [{mySecurity:[]}]],
[/^\/some\/\{pathId\}/, [{theirSecurity:[]}]]
]
/*...*/
});
| Type | Required | Description |
|---|---|---|
| String or Array | Y (unless args.operations is provided) | Relative path or paths to the directory or directories that contain your route files or route specifications. |
Path files are logically structured according to their URL path. For cross platform
compatibility, URLs that accept a parameter use the swagger format for parameters
as opposed to the express format (i.e. use {id} instead of :id). Filenames in
Windows do not allow the : character as it is confused with drive names.
For example, if you have the following api paths that you wish to add to your express app:
GET /v1/users/{id}
POST /v1/users
You would define basePath: '/v1' in your apiDoc, and layout your paths directory
as follows:
<project>
`paths/
`users/
`{id}.js
users.js
The contents of <project>/paths/users/{id}.js would look like this:
module.exports = {
// parameters for all operations in this path
parameters: [
{
in: 'path',
name: 'id',
required: true,
type: 'integer'
}
],
/*
Also available are:
GET
DELETE
PATCH
OPTIONS
del
delete
patch...
see index.js for the full list.
*/
get: [
/* business middleware not expressible by OpenAPI documentation goes here */
function(req, res, next) {
var validationError = res.validateResponse(200, /* return the user or an error */);
if (validationError)
return next(validationError);
}
res.status(200).json(/* return the user or an error */);
}
],
post: post
};
module.exports.get.apiDoc = {
description: 'A description for retrieving a user.',
tags: ['users'],
operationId: 'getUser',
// parameters for this operation
parameters: [
{
in: 'query',
name: 'firstName',
type: 'string'
}
],
responses: {
default: {
$ref: '#/definitions/Error'
}
}
};
function post(req, res, next) {
/* ... */
}
post.apiDoc = {
/* ... */
};
Alternatively, args.paths may contain route specifications of the form
{ path: '/foo/{id}', module: require('./handlers/foo') }.
Modules under args.paths expose methods. Methods may either be a method handler
function, or an array of business specific middleware + a method handler function.
express-openapi will prepend middleware to this stack based on the parameters
defined in the method's apiDoc property. If no apidoc property exists on the
module method, then express-openapi will add no additional middleware.
Note: Handlers in args.operations will override handlers in args.paths
| Type | Required | Description |
|---|---|---|
| RegExp | N | Paths matching this regular expression will be ignored. |
A common use for this is to ignore spec or test files located in the same folder than the paths, like:
initialize({
apiDoc: apiDoc,
app: app,
paths: './api-v1/paths',
pathsIgnore: new RegExp('\.(spec|test)$')
})
| Type | Required | Default Value | Description |
|---|---|---|---|
| Boolean | N | false | Allows middleware and path handlers to return promises. |
The following would then be supported:
export default function(worldsService) {
const operations = {
GET,
PUT,
};
// If using node >= 7.6 you can use async/await.
async function GET(req, res) {
const worlds = await worldsService.getWorlds(req.query.worldName);
if (!worlds.length) {
throw {
status: 404,
message: 'No worlds were found',
};
}
res.status(200).json(worlds);
}
// For node < 7.6 you can use plain promises.
function PUT(req, res) {
return worldsService.getWorlds(req.query.worldName)
.then(function(worlds) {
if (!worlds.length) {
throw {
status: 404,
message: 'No worlds were found',
};
}
res.status(200).json(worlds);
});
}
/* apidocs removed for brevity's sake in this example. */
return operations;
}
| Type | Required | Default Value | Description |
|---|---|---|---|
| String | N | **/*.js | Allows different file extensions. |
| Type | Required | Default Value | Description |
|---|---|---|---|
| RegExp | N | /(?:index)?\.js$/ | Allows index files to be named differently. |
| Type | Required | Default Value | Description |
|---|---|---|---|
| Function | N | null | Request handler for the api doc route. |
req.apiDoc will be set to a copy of the generated api doc and the securityFilter is
free to modify it. This is useful if you're implementing Security Filtering.
Note: You must end the request inside the filter.
initialize({
/* ... */
promiseMode: true,
securityFilter: async (req, res) => {
// do something, use await, whatever
if (!req.user) {
// only show paths to logged in users.
req.apiDoc.paths = {};
}
res.status(200).json(req.apiDoc);
}
});
| Type | Required | Default Value | Description |
|---|---|---|---|
| Object | N | null | Map name of security scheme name to a handler function. |
If you'd like to support security, define your schemes in your apiDoc like so:
var apiDoc = {
swagger: 2.0,
/* ... */
securityDefinitions: {
keyScheme: {
type: 'apiKey',
name: 'api_key',
in: 'header'
},
passwordScheme: {
type: 'basic'
}
}
};
Next you can define your security handlers in the OpenAPI initialization args:
initialize({
apiDoc: apiDoc,
app: app,
securityHandlers: {
keyScheme: function(req, scopes, definition) {
/* do something. You can assign values to req to make them available in
operation handlers. */
return Promise.resolve(true);
},
passwordScheme: function(req, scopes, definition) {
/* do something */
throw {
status: 401,
challenge: 'Basic realm=foo',
message: 'You must authenticate to access foo.'
};
}
}
});
Now you can use security in your operation docs, or in the api doc.
module.exports = {
post: post
};
function post(req, res, next) {
/* code */
}
post.apiDoc = {
/* ... */
security: [
{
passwordScheme: []
},
// if the previous set of security schemes fail, we move to the next block.
{
keyScheme: []
}
]
};
See openapi-security-handler for more details.
Also see the sample usage in https://github.com/kogosoftwarellc/open-api/blob/master/packages/express-openapi/test/sample-projects/with-securityHandlers/app.js
| Type | Required | Default Value | Description |
|---|---|---|---|
| Boolean | N | true | Validates args.apiDoc before and after path population. This does not effect individual route validation of route parameters. You can disable this behavior by passing false. |
This package includes definitions for TypeScript.
Install definitions for express and body-parser(optional) via
typings.
In server script:
import * as express from "express";
import * as bodyParser from "body-parser";
import { initialize } from "express-openapi";
const app = express();
app.use(bodyParser.json());
initialize({
apiDoc: './api-doc.js',
app,
paths: './built/api-paths',
routesGlob: '**/*.{ts,js}',
routesIndexFileRegExp: /(?:index)?\.[tj]s$/
});
app.use(((err, req, res, next) => {
res.status(err.status).json(err);
}) as express.ErrorRequestHandler);
app.listen(3000);
In route handler file like <project>/src/api-paths/users/{id}.ts:
import { Operation } from "express-openapi";
export const parameters = [
{
in: 'path',
name: 'id',
required: true,
type: 'integer'
}
];
export const GET: Operation = [
/* business middleware not expressible by OpenAPI documentation goes here */
(req, res, next) => {
res.status(200).json(/* return the user */);
}
];
GET.apiDoc = {
description: 'A description for retrieving a user.',
tags: ['users'],
operationId: 'getUser',
// parameters for this operation
parameters: [
{
in: 'query',
name: 'firstName',
type: 'string'
}
],
responses: {
default: {
$ref: '#/definitions/Error'
}
}
};
export const POST: Operation = (req, res, next) => {
/* ... */
}
POST.apiDoc = {
/* ... */
};
node@<=0.12.x => express-openapi@<=1.3.xnode@>0.12.x => express-openapi@*The MIT License (MIT)
Copyright (c) 2016 Kogo Software LLC
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.
FAQs
An unopinionated OpenAPI framework for express
We found that express-openapi demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 2 open source maintainers collaborating on the project.
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