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https://github.com/speakeasy-sdks/recipe-book
An example TypeScript SDK to highlight real code examples of best practices.
https://github.com/speakeasy-sdks/recipe-book
Last synced: 2 days ago
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An example TypeScript SDK to highlight real code examples of best practices.
- Host: GitHub
- URL: https://github.com/speakeasy-sdks/recipe-book
- Owner: speakeasy-sdks
- Created: 2024-09-30T16:39:17.000Z (about 1 month ago)
- Default Branch: main
- Last Pushed: 2024-10-17T16:47:20.000Z (22 days ago)
- Last Synced: 2024-10-20T00:19:55.000Z (19 days ago)
- Language: TypeScript
- Size: 1.75 MB
- Stars: 0
- Watchers: 6
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
Awesome Lists containing this project
README
# Example TypeScript SDK
The goal of this example SDK is to show a basic representation of generating and customizing a TypeScript SDK with Speakeasy. It is based on a simple (and fictional) CRUD API for managing recipes. Use this README as a guide to understand how the SDK is generated and customized. Links to relevant sections of the codebase are provided here in order to explore the code in action and see best practices for various customizations.
## Initial Generation
[Once the prerequisites are installed](https://www.speakeasy.com/docs/create-client-sdks#prerequisites) and a valid OpenAPI Specification (OAS) file is available (in this case, [RecipeOpenAPISpec.yaml](https://github.com/speakeasy-sdks/recipe-book/blob/main/RecipeOpenAPISpec.yaml)), the following command is used to generate the SDK:
```bash
speakeasy quickstart
```
The CLI then prompts for the required information:
```bash
What is the location of your OpenAPI Spec file? RecipeOpenAPISpec.yaml
What is a good name for this source document? SpeakeasyRecipeBook-OAS
Which target would you like to generate? typescript
Name your SDK: speakeasy-recipe-book
```
If successful, an output similar to this will be displayed:
```bash
│ Workflow - success
│ └─Target: speakeasy-recipe-book - success
│ └─Source: SpeakeasyRecipeBook-OAS - success
│ └─Applying Overlays - success
│ └─Apply 3 overlay(s) - success
│ └─Validating Document - success
│ └─Diagnosing OpenAPI - success
│ └─Tracking OpenAPI Changes - success
│ └─Snapshotting OpenAPI Revision - success
│ └─Storing OpenAPI Revision - success
│ └─Computing Document Changes - success
│ └─Downloading prior revision - success
│ └─Computing changes - success
│ └─Uploading changes report - success
│ └─Validating gen.yaml - success
│ └─Generating Typescript SDK - success
│ └─Setup Environment - success
│ └─Load and Validate Document - success
│ └─Generate SDK - success
Source SpeakeasyRecipeBook-OAS Compiled Successfully
└─Lint report: https://go.speakeasy.com/5lKqS
└─API Change report: https://go.speakeasy.com/ed1Kh
SDKs Generated Successfully
└─speakeasy-recipe-book overview: https://go.speakeasy.com/CKVwn
```
The resulting `workflow.yaml` file generated can be found [here](https://github.com/speakeasy-sdks/recipe-book/blob/main/.speakeasy/workflow.yaml). Subsequent generations can be run at any time using `speakeasy run`.
Now that the base SDK is generated, customizations for a variety of use cases can be applied. The following is a sampling of methods that can be used to customize the SDK.
## Overlays
Overlays are applied to extend or alter the functionality of the Recipe Book API.
- [Add "Snacks" tag added to the API](https://github.com/speakeasy-sdks/recipe-book/blob/main/add_snack_tag_overlay.yaml)
- [Hide an internal-only operation from public SDK and mark it as internal only](https://github.com/speakeasy-sdks/recipe-book/blob/main/internal-staff-overlay.yaml)
Overlays are then added as a new workflow source using:
```bash
speakeasy configure sources
```
Application of overlays is shown in the [workflow.yaml](https://github.com/speakeasy-sdks/recipe-book/blob/main/.speakeasy/workflow.yaml#L7-L10) file.
##### Resources
- [Create Overlays](https://www.speakeasy.com/docs/overlays/create-overlays)
- [Apply Overlays](https://www.speakeasy.com/docs/overlays/create-overlays)
- [Common Overlay Examples](https://www.speakeasy.com/examples/sdk-generation/overlays/overlays)
## `x-speakeasy` Extensions
Speakeasy extensions provide fine-tuned control over the SDK, enabling modification to behaviors like retries, pagination, error handling, and other advanced SDK features.
- [Use `x-speakeasy-name-override` to rename an operation in the OpenAPI Spec.](https://github.com/speakeasy-sdks/recipe-book/blob/main/RecipeOpenAPISpec.yaml#L50)
- [Use `x-speakeasy-enums` to add enums to an operation in the OpenAPI Spec.](https://github.com/speakeasy-sdks/recipe-book/blob/main/RecipeOpenAPISpec.yaml#L187-L190)
##### Resources
- [Customization Basics](https://www.speakeasy.com/docs/customize-basics#2-using-x-speakeasy-extensions)
- [`x-speakeasy-name-override`](https://www.speakeasy.com/docs/methods#change-method-names)
- [`x-speakeasy-enums`](https://www.speakeasy.com/docs/data-model/enums#enum-member-names)
## Customize Imports
Speakeasy allows customization of the paths to which models are generated and imported.
- [Update model path definitions in `gen.yaml`.](https://github.com/speakeasy-sdks/recipe-book/blob/main/.speakeasy/gen.yaml#L30-L37)
- [Example of customized import paths used in SDK.](https://github.com/speakeasy-sdks/recipe-book/blob/main/src/funcs/recipesGetById.ts#L12-L21)
##### Resources
- [Customize Imports](https://www.speakeasy.com/docs/structure/imports)
## Customize Namespaces
Speakeasy allows grouping of models into namespaces.
- [Update namespace using `x-speakeasy-group`.](https://github.com/speakeasy-sdks/recipe-book/blob/main/RecipeOpenAPISpec.yaml#L51)
- [Update namespace using tags.](https://github.com/speakeasy-sdks/recipe-book/blob/main/RecipeOpenAPISpec.yaml#L15-L16)
##### Resources
- [Customize Namespaces](https://www.speakeasy.com/docs/structure/namespaces)
## Customize Error Handling
Speakeasy allows custom error handling for different status codes, such as 401 (Unauthorized) or 500 (Internal Server Error).
- [Define Custom Errors](https://github.com/speakeasy-sdks/recipe-book/blob/main/RecipeOpenAPISpec.yaml#L32-L84)
- [Define AuthError Schema](https://github.com/speakeasy-sdks/recipe-book/blob/main/RecipeOpenAPISpec.yaml#L239-L244)
##### Resources
- [Customize Error Handling](https://www.speakeasy.com/docs/responses/errors)
## Enable Pagination
Speakeasy allows custom pagination rules for each API operation using the `x-speakeasy-pagination` extension.
- [Configure Pagination for /recipes response](https://github.com/speakeasy-sdks/recipe-book/blob/main/RecipeOpenAPISpec.yaml#L67-L74)
##### Resources
- [Adding Pagination](https://www.speakeasy.com/docs/runtime/pagination)
Is the guide missing a particular example that would be helpful? If so, email [email protected] with your feedback!
# Auto-generated SDK documention starts here.
## Summary
Recipe Book API: A simple (and fictional) API to manage recipes for a Recipe Book.
## Table of Contents
* [SDK Installation](#sdk-installation)
* [Requirements](#requirements)
* [SDK Example Usage](#sdk-example-usage)
* [Available Resources and Operations](#available-resources-and-operations)
* [Standalone functions](#standalone-functions)
* [Retries](#retries)
* [Error Handling](#error-handling)
* [Server Selection](#server-selection)
* [Custom HTTP Client](#custom-http-client)
* [Debugging](#debugging)
## SDK Installation
The SDK can be installed with either [npm](https://www.npmjs.com/), [pnpm](https://pnpm.io/), [bun](https://bun.sh/) or [yarn](https://classic.yarnpkg.com/en/) package managers.
### NPM
```bash
npm add https://github.com/speakeasy-sdks/recipe-book
```
### PNPM
```bash
pnpm add https://github.com/speakeasy-sdks/recipe-book
```
### Bun
```bash
bun add https://github.com/speakeasy-sdks/recipe-book
```
### Yarn
```bash
yarn add https://github.com/speakeasy-sdks/recipe-book zod
# Note that Yarn does not install peer dependencies automatically. You will need
# to install zod as shown above.
```
## Requirements
For supported JavaScript runtimes, please consult [RUNTIMES.md](RUNTIMES.md).
## SDK Example Usage
### Example
```typescript
import { SpeakeasyRecipeBook } from "speakeasy-recipe-book";
const speakeasyRecipeBook = new SpeakeasyRecipeBook();
async function run() {
const result = await speakeasyRecipeBook.status.getRecipeStatus({
id: "",
});
// Handle the result
console.log(result);
}
run();
```
## Available Resources and Operations
Available methods
### [recipes](docs/sdks/recipes/README.md)
* [getAll](docs/sdks/recipes/README.md#getall) - Get all recipes
* [create](docs/sdks/recipes/README.md#create) - Create a new recipe
* [getById](docs/sdks/recipes/README.md#getbyid) - Get a recipe by ID
* [update](docs/sdks/recipes/README.md#update) - Update an existing recipe by ID
* [delete](docs/sdks/recipes/README.md#delete) - Delete a recipe by ID
### [status](docs/sdks/status/README.md)
* [getRecipeStatus](docs/sdks/status/README.md#getrecipestatus) - Get the status of a recipe
## Standalone functions
All the methods listed above are available as standalone functions. These
functions are ideal for use in applications running in the browser, serverless
runtimes or other environments where application bundle size is a primary
concern. When using a bundler to build your application, all unused
functionality will be either excluded from the final bundle or tree-shaken away.
To read more about standalone functions, check [FUNCTIONS.md](./FUNCTIONS.md).
Available standalone functions
- [`recipesCreate`](docs/sdks/recipes/README.md#create) - Create a new recipe
- [`recipesDelete`](docs/sdks/recipes/README.md#delete) - Delete a recipe by ID
- [`recipesGetAll`](docs/sdks/recipes/README.md#getall) - Get all recipes
- [`recipesGetById`](docs/sdks/recipes/README.md#getbyid) - Get a recipe by ID
- [`recipesUpdate`](docs/sdks/recipes/README.md#update) - Update an existing recipe by ID
- [`statusGetRecipeStatus`](docs/sdks/status/README.md#getrecipestatus) - Get the status of a recipe
## Retries
Some of the endpoints in this SDK support retries. If you use the SDK without any configuration, it will fall back to the default retry strategy provided by the API. However, the default retry strategy can be overridden on a per-operation basis, or across the entire SDK.
To change the default retry strategy for a single API call, simply provide a retryConfig object to the call:
```typescript
import { SpeakeasyRecipeBook } from "speakeasy-recipe-book";
const speakeasyRecipeBook = new SpeakeasyRecipeBook();
async function run() {
const result = await speakeasyRecipeBook.status.getRecipeStatus({
id: "",
}, {
retries: {
strategy: "backoff",
backoff: {
initialInterval: 1,
maxInterval: 50,
exponent: 1.1,
maxElapsedTime: 100,
},
retryConnectionErrors: false,
},
});
// Handle the result
console.log(result);
}
run();
```
If you'd like to override the default retry strategy for all operations that support retries, you can provide a retryConfig at SDK initialization:
```typescript
import { SpeakeasyRecipeBook } from "speakeasy-recipe-book";
const speakeasyRecipeBook = new SpeakeasyRecipeBook({
retryConfig: {
strategy: "backoff",
backoff: {
initialInterval: 1,
maxInterval: 50,
exponent: 1.1,
maxElapsedTime: 100,
},
retryConnectionErrors: false,
},
});
async function run() {
const result = await speakeasyRecipeBook.status.getRecipeStatus({
id: "",
});
// Handle the result
console.log(result);
}
run();
```
## Error Handling
All SDK methods return a response object or throw an error. By default, an API error will throw a `custom_errors.SDKError`.
If a HTTP request fails, an operation my also throw an error from the `models/custom_errors/httpclienterrors.ts` module:
| HTTP Client Error | Description |
| ---------------------------------------------------- | ---------------------------------------------------- |
| RequestAbortedError | HTTP request was aborted by the client |
| RequestTimeoutError | HTTP request timed out due to an AbortSignal signal |
| ConnectionError | HTTP client was unable to make a request to a server |
| InvalidRequestError | Any input used to create a request is invalid |
| UnexpectedClientError | Unrecognised or unexpected error |
In addition, when custom error responses are specified for an operation, the SDK may throw their associated Error type. You can refer to respective *Errors* tables in SDK docs for more details on possible error types for each operation. For example, the `getAll` method may throw the following errors:
| Error Type | Status Code | Content Type |
| ----------------------- | ----------------------- | ----------------------- |
| custom_errors.AuthError | 401 | application/json |
| custom_errors.SDKError | 4XX, 5XX | \*/\* |
```typescript
import { SpeakeasyRecipeBook } from "speakeasy-recipe-book";
import {
AuthError,
SDKValidationError,
} from "speakeasy-recipe-book/models/custom_errors";
const speakeasyRecipeBook = new SpeakeasyRecipeBook();
async function run() {
let result;
try {
result = await speakeasyRecipeBook.recipes.getAll({
page: 461008,
});
// Handle the result
console.log(result);
} catch (err) {
switch (true) {
case (err instanceof SDKValidationError): {
// Validation errors can be pretty-printed
console.error(err.pretty());
// Raw value may also be inspected
console.error(err.rawValue);
return;
}
case (err instanceof AuthError): {
// Handle err.data$: AuthErrorData
console.error(err);
return;
}
default: {
throw err;
}
}
}
}
run();
```
Validation errors can also occur when either method arguments or data returned from the server do not match the expected format. The `SDKValidationError` that is thrown as a result will capture the raw value that failed validation in an attribute called `rawValue`. Additionally, a `pretty()` method is available on this error that can be used to log a nicely formatted string since validation errors can list many issues and the plain error string may be difficult read when debugging.
## Server Selection
### Select Server by Index
You can override the default server globally by passing a server index to the `serverIdx` optional parameter when initializing the SDK client instance. The selected server will then be used as the default on the operations that use it. This table lists the indexes associated with the available servers:
| # | Server | Variables |
| - | ------ | --------- |
| 0 | `https://api.recipeBook.com/v1` | None |
```typescript
import { SpeakeasyRecipeBook } from "speakeasy-recipe-book";
const speakeasyRecipeBook = new SpeakeasyRecipeBook({
serverIdx: 0,
});
async function run() {
const result = await speakeasyRecipeBook.status.getRecipeStatus({
id: "",
});
// Handle the result
console.log(result);
}
run();
```
### Override Server URL Per-Client
The default server can also be overridden globally by passing a URL to the `serverURL` optional parameter when initializing the SDK client instance. For example:
```typescript
import { SpeakeasyRecipeBook } from "speakeasy-recipe-book";
const speakeasyRecipeBook = new SpeakeasyRecipeBook({
serverURL: "https://api.recipeBook.com/v1",
});
async function run() {
const result = await speakeasyRecipeBook.status.getRecipeStatus({
id: "",
});
// Handle the result
console.log(result);
}
run();
```
## Custom HTTP Client
The TypeScript SDK makes API calls using an `HTTPClient` that wraps the native
[Fetch API](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API). This
client is a thin wrapper around `fetch` and provides the ability to attach hooks
around the request lifecycle that can be used to modify the request or handle
errors and response.
The `HTTPClient` constructor takes an optional `fetcher` argument that can be
used to integrate a third-party HTTP client or when writing tests to mock out
the HTTP client and feed in fixtures.
The following example shows how to use the `"beforeRequest"` hook to to add a
custom header and a timeout to requests and how to use the `"requestError"` hook
to log errors:
```typescript
import { SpeakeasyRecipeBook } from "speakeasy-recipe-book";
import { HTTPClient } from "speakeasy-recipe-book/lib/http";
const httpClient = new HTTPClient({
// fetcher takes a function that has the same signature as native `fetch`.
fetcher: (request) => {
return fetch(request);
}
});
httpClient.addHook("beforeRequest", (request) => {
const nextRequest = new Request(request, {
signal: request.signal || AbortSignal.timeout(5000)
});
nextRequest.headers.set("x-custom-header", "custom value");
return nextRequest;
});
httpClient.addHook("requestError", (error, request) => {
console.group("Request Error");
console.log("Reason:", `${error}`);
console.log("Endpoint:", `${request.method} ${request.url}`);
console.groupEnd();
});
const sdk = new SpeakeasyRecipeBook({ httpClient });
```
## Debugging
You can setup your SDK to emit debug logs for SDK requests and responses.
You can pass a logger that matches `console`'s interface as an SDK option.
> [!WARNING]
> Beware that debug logging will reveal secrets, like API tokens in headers, in log messages printed to a console or files. It's recommended to use this feature only during local development and not in production.
```typescript
import { SpeakeasyRecipeBook } from "speakeasy-recipe-book";
const sdk = new SpeakeasyRecipeBook({ debugLogger: console });
```
You can also enable a default debug logger by setting an environment variable `SPEAKEASYRECIPEBOOK_DEBUG` to true.
# Development
## Maturity
This SDK is in beta, and there may be breaking changes between versions without a major version update. Therefore, we recommend pinning usage
to a specific package version. This way, you can install the same version each time without breaking changes unless you are intentionally
looking for the latest version.
## Contributions
While we value open-source contributions to this SDK, this library is generated programmatically. Any manual changes added to internal files will be overwritten on the next generation.
We look forward to hearing your feedback. Feel free to open a PR or an issue with a proof of concept and we'll do our best to include it in a future release.
### SDK Created by [Speakeasy](https://www.speakeasy.com/?utm_source=speakeasy-recipe-book&utm_campaign=typescript)