serverless/lib/plugins/awsCompileApigEvents/lib/compileRestApi.js

'use strict';

const merge = require('lodash').merge;
const BbPromise = require('bluebird');

module.exports = {
  compileRestApi() {
    this.serverless.service.getAllFunctions().forEach((functionName) => {
      const functionObject = this.serverless.service.getFunction(functionName);

      // checking all three levels in the obj tree
      // to avoid "can't read property of undefined" error
      if (functionObject.events && functionObject.events.aws
        && functionObject.events.aws.http_endpoint) {
        const restApiTemplate = `
          {
            "Type" : "AWS::ApiGateway::RestApi",
            "Properties" : {
              "Name" : "${this.options.stage}-${this.serverless.service.service}"
            }
          }
        `;

        const newRestApiObject = {
          RestApiApigEvent: JSON.parse(restApiTemplate),
        };

        merge(this.serverless.service.resources.aws.Resources, newRestApiObject);
      }
    });

    return BbPromise.resolve();
  },
};