/
functions.ts
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/
functions.ts
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// Copyright 2019 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Type Interfaces for the Node Functions Framework.
// **If changing files, please change package.json!**
/* eslint-disable @typescript-eslint/no-explicit-any */
import * as express from 'express';
/**
* @public
*/
export interface Request extends express.Request {
/**
* A buffer which provides access to the request's raw HTTP body.
*/
rawBody?: Buffer;
}
/**
* @public
*/
export type Response = express.Response;
/**
* A HTTP function handler.
* @public
*/
export interface HttpFunction {
(req: Request, res: Response): any;
}
/**
* A legacy event function handler.
* @public
*/
export interface EventFunction {
(data: {}, context: Context): any;
}
/**
* A legacy event function handler with callback.
* @public
*/
export interface EventFunctionWithCallback {
(data: {}, context: Context, callback: Function): any;
}
/**
* A cloudevent function handler.
* @public
*/
export interface CloudEventFunction {
(cloudevent: CloudEventsContext): any;
}
/**
* A cloudevent function handler with callback.
* @public
*/
export interface CloudEventFunctionWithCallback {
(cloudevent: CloudEventsContext, callback: Function): any;
}
/**
* A function handler.
* @public
*/
export type HandlerFunction =
| HttpFunction
| EventFunction
| EventFunctionWithCallback
| CloudEventFunction
| CloudEventFunctionWithCallback;
/**
* A legacy event.
* @public
*/
export interface LegacyEvent {
data: {[key: string]: any};
context: CloudFunctionsContext;
}
/**
* A data object used for legacy event functions.
* @public
*/
export interface Data {
data: object;
}
/**
* A legacy event function context.
* @public
*/
export type LegacyCloudFunctionsContext = CloudFunctionsContext | Data;
/**
* The Cloud Functions context object for the event.
* {@link https://cloud.google.com/functions/docs/writing/background#function_parameters}
* @public
*/
export interface CloudFunctionsContext {
/**
* A unique ID for the event. For example: "70172329041928".
*/
eventId?: string;
/**
* The date/time this event was created. For example: "2018-04-09T07:56:12.975Z"
* This will be formatted as ISO 8601.
*/
timestamp?: string;
/**
* The type of the event. For example: "google.pubsub.topic.publish".
*/
eventType?: string;
/**
* The resource that emitted the event.
*/
resource?: string | {[key: string]: string};
}
/**
* The CloudEvents v1.0 context object for the event.
* {@link https://github.com/cloudevents/spec/blob/master/spec.md#context-attributes}
* @public
*/
export interface CloudEventsContext {
/**
* Type of occurrence which has happened.
*/
type?: string;
/**
* The version of the CloudEvents specification which the event uses.
*/
specversion?: string;
/**
* The event producer.
*/
source?: string;
/**
* ID of the event.
*/
id?: string;
/**
* Timestamp of when the event happened.
*/
time?: string;
/**
* Describes the subject of the event in the context of the event producer.
*/
subject?: string;
/**
* A link to the schema that the event data adheres to.
*/
dataschema?: string;
/**
* Content type of the event data.
*/
datacontenttype?: string;
/**
* The event data.
*/
data?:
| Record<string, unknown | string | number | boolean>
| string
| number
| boolean
| null
| unknown;
/**
* The traceparent string, containing a trace version, trace ID, span ID, and trace options.
* @see https://github.com/cloudevents/spec/blob/master/extensions/distributed-tracing.md
*/
traceparent?: string;
}
/**
* The function's context.
* @public
*/
export type Context = CloudFunctionsContext | CloudEventsContext;