initial version

.gitignore

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+.vscode
+node_modules
+*.orig

README.md

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+# express-middelware-openapi
+
+in construction

app.ts

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+var express = require('express');
+var path = require('path');
+var cookieParser = require('cookie-parser');
+var bodyParser = require('body-parser');
+var logger = require('morgan');
+const http = require('http');
+const { OpenApiMiddleware } = require('./middleware');
+// const OpenAPIRequestValidator = require('openapi-request-validator');
+// var indexRouter = require('./routes/index');
+// var usersRouter = require('./routes/users');
+
+
+var app = express();
+
+app.use(bodyParser.json());
+app.use(logger('dev'));
+app.use(express.json());
+app.use(express.urlencoded({ extended: false }));
+app.use(cookieParser());
+
+app.use(express.static(path.join(__dirname, 'public')));
+
+// const ov = OpenAPIRequestValidator();
+// var router = express.Router();
+
+app.use(new OpenApiMiddleware({
+  apiSpecPath: './openapi.yaml',
+  validate: true,
+  enableObjectCoercion: true // should be default
+}).middleware())
+/* GET home page. */
+app.get('/v1/pets', function(req, res, next) {
+  console.log('at /v1/pets here');
+  res.json({
+    test: 'hi',
+  });
+});
+
+const server = http.createServer(app);
+server.listen(3000);
+console.log('Listening on port 3000');
+console.log('Try visiting http://localhost:3000/greet?name=Jason');
+console.log('-----STARTED[---');
+
+module.exports = app;

fw/base.path.ts

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+import { OpenAPIV3 } from 'openapi-types';
+import { URL } from 'url';
+
+export default class BasePath {
+  public readonly variables: { [key: string]: { enum: string[] } } = {};
+  public readonly path: string = '';
+
+  constructor(server: OpenAPIV3.ServerObject) {
+    // break the url into parts
+    // baseUrl param added to make the parsing of relative paths go well
+    const serverUrl = new URL(server.url, 'http://localhost');
+    console.log(serverUrl);
+    let urlPath = decodeURI(serverUrl.pathname).replace(/\/$/, '');
+    if (/{\w+}/.test(urlPath)) {
+      // has variable that we need to check out
+      urlPath = urlPath.replace(/{(\w+)}/g, (substring, p1) => `:${p1}`);
+    }
+    console.log(urlPath);
+    this.path = urlPath;
+    for (const variable in server.variables) {
+      if (server.variables.hasOwnProperty(variable)) {
+        this.variables[variable] = { enum: server.variables[variable].enum };
+      }
+    }
+  }
+
+  public hasVariables() {
+    return Object.keys(this.variables).length > 0;
+  }
+
+  public static fromServers(servers: OpenAPIV3.ServerObject[]) {
+    if (!servers) {
+      return [new BasePath({ url: '' })];
+    }
+    return servers.map(server => new BasePath(server));
+  }
+}