@aaronpowell/azure-functions-nodejs-openapi 中文文档教程
OpenAPI for Azure Functions
这是 Azure Functions 的扩展,支持生成 <来自带注释的 Azure Functions 的 href="https://www.openapis.org/">OpenAPI 规范文件。 为了使这更容易,扩展是用 TypeScript 编写的,并为需要创建的对象提供了 TypeScript 类型。
该插件通过特定导入支持 OpenAPI/Swagger v2、v3 和 v3.1 的三个主要版本,默认导出为 OpenAPI 3.1。
该插件的灵感来自 .NET 扩展。
Usage
Step 1 - Annotate an Azure Function
导入所需的版本帮助器以使用 OpenAPI 的元数据注释 Azure Functions。
import { AzureFunction, Context, HttpRequest } from "@azure/functions";
import { mapOpenApi3_1 } from "@aaronpowell/azure-functions-nodejs-openapi";
const httpTrigger: AzureFunction = async function (
context: Context,
req: HttpRequest
): Promise<void> {
context.log("HTTP trigger function processed a request.");
const name = req.query.name;
const responseMessage = name
? "Hello, " + name + ". This HTTP triggered function executed successfully."
: "This HTTP triggered function executed successfully. Pass a name in the query string or in the request body for a personalized response.";
context.res = {
body: responseMessage,
};
};
export default mapOpenApi3_1(httpTrigger, "/get-message", {
get: {
parameters: [
{
name: "name",
in: "query",
required: true,
schema: {
type: "string",
},
},
],
responses: {
"200": {
description: "Gets a message from the Function",
content: {
"application/json": {
example:
"Hello Aaron. This is a HTTP triggered function executed successfully.",
},
},
},
},
},
});
Step 2 - Create the OpenAPI endpoint
创建一个新的 HTTP 触发器 Azure Functions 并将其命名为您希望它向消费者公开的方式(例如 swagger
),然后导入该函数以生成规范文件:
import { generateOpenApi3_1Spec } from "@aaronpowell/azure-functions-nodejs-openapi";
export default generateOpenApi3_1Spec({
info: {
title: "Azure Function Swagger v3.1 demo",
version: "1.0.0",
},
});
注意:您需要编辑function.json
将 out
参数命名为 res
,因为生成器函数会将其分配给 context
.
Examples
您可以在文件夹 example
中找到不同 OpenAPI 版本的示例。 它们在 Azure Functions 运行时版本 3.x 上运行。 如果您想在版本 4.x 上运行它们,请将 host.json
中的扩展包引用调整为:
"extensionBundle": {
"id": "Microsoft.Azure.Functions.ExtensionBundle",
"version": "[2.*, 3.0.0)"
}
Scaffolding Function descriptions
em>以下是正在进行的工作。
< 从为 Functions 生成 OpenAPI 注释开始,有一个 CLI 工具作为这个包的一部分提供,openapi-func
。
这将查看函数的 function.json
并提供一些入门所需的样板。
cd example/trivia-app
npx openapi-func endpoint -f ./game-get
这将输出以下内容供您添加到您的函数中:
Here's a starting point for your OpenAPI enabled Function
Change the default export from the Azure Function to the following:
export default mapOpenApi3_1(httpTrigger, "/game-get", {
get: {
responses: { '200': { description: 'The response from the Azure Function' } }
}
})
License
MIT
OpenAPI for Azure Functions
This is an extension for Azure Functions that gives support for generating OpenAPI spec files from annotated Azure Functions. To make this easier, the extension is written in TypeScript and provided TypeScript typings for the objects needing ot be created.
The plugin supports the three major releases of OpenAPI/Swagger, v2, v3 and v3.1, via specific imports, with the default export being OpenAPI 3.1.
The plugin was inspired by the .NET extension.
Usage
Step 1 - Annotate an Azure Function
Import the desired version helper to annotate an Azure Function with the metadata for OpenAPI.
import { AzureFunction, Context, HttpRequest } from "@azure/functions";
import { mapOpenApi3_1 } from "@aaronpowell/azure-functions-nodejs-openapi";
const httpTrigger: AzureFunction = async function (
context: Context,
req: HttpRequest
): Promise<void> {
context.log("HTTP trigger function processed a request.");
const name = req.query.name;
const responseMessage = name
? "Hello, " + name + ". This HTTP triggered function executed successfully."
: "This HTTP triggered function executed successfully. Pass a name in the query string or in the request body for a personalized response.";
context.res = {
body: responseMessage,
};
};
export default mapOpenApi3_1(httpTrigger, "/get-message", {
get: {
parameters: [
{
name: "name",
in: "query",
required: true,
schema: {
type: "string",
},
},
],
responses: {
"200": {
description: "Gets a message from the Function",
content: {
"application/json": {
example:
"Hello Aaron. This is a HTTP triggered function executed successfully.",
},
},
},
},
},
});
Step 2 - Create the OpenAPI endpoint
Create a new HTTP Trigger Azure Functions and name it how you want it exposed to consumers (eg swagger
), and import the function to generate the spec file:
import { generateOpenApi3_1Spec } from "@aaronpowell/azure-functions-nodejs-openapi";
export default generateOpenApi3_1Spec({
info: {
title: "Azure Function Swagger v3.1 demo",
version: "1.0.0",
},
});
Note: You'll need to edit the function.json
to have the out
parameter named res
, as the generator function will assign it to that on context
.
Examples
You find examples for the different OpenAPI version in the folder example
. They are running on Azure Functions Runtime version 3.x. If you want to run them on version 4.x, adjust the extension bundle reference in the host.json
to:
"extensionBundle": {
"id": "Microsoft.Azure.Functions.ExtensionBundle",
"version": "[2.*, 3.0.0)"
}
Scaffolding Function descriptions
The following is very much a work in progress.
To get started in generating the OpenAPI annotations for Functions, there's a CLI tool provided as part of this package, openapi-func
.
This will look at the function.json
for a Function and give some of the boilerplate required to get you started.
cd example/trivia-app
npx openapi-func endpoint -f ./game-get
This will output the following for you to add to your Function:
Here's a starting point for your OpenAPI enabled Function
Change the default export from the Azure Function to the following:
export default mapOpenApi3_1(httpTrigger, "/game-get", {
get: {
responses: { '200': { description: 'The response from the Azure Function' } }
}
})
License
MIT
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