function addMethod()

in serverless-rest-api/javascript-http-sam/src/api/authorizer.js [123:149]

• 24 lines of code
• 7 McCabe index (conditional complexity)

  function addMethod(effect, verb, resource, conditions) {
    if (verb !== '*' && !Object.prototype.hasOwnProperty.call(AuthPolicy.HttpVerb, verb)) {
      throw new Error(`Invalid HTTP verb ${verb}. Allowed verbs in AuthPolicy.HttpVerb`);
    }

    if (!this.pathRegex.test(resource)) {
      throw new Error(`Invalid resource path: ${resource}. Path should match ${this.pathRegex}`);
    }

    let cleanedResource = resource;
    if (resource.substring(0, 1) === '/') {
      cleanedResource = resource.substring(1, resource.length);
    }
    const resourceArn = `arn:aws:execute-api:${this.region}:${this.awsAccountId}:${this.restApiId}/${this.stage}/${verb}/${cleanedResource}`;

    if (effect.toLowerCase() === 'allow') {
      this.allowMethods.push({
        resourceArn,
        conditions,
      });
    } else if (effect.toLowerCase() === 'deny') {
      this.denyMethods.push({
        resourceArn,
        conditions,
      });
    }
  }