# useCancelToken

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> A handy react hook to cancel axios requests

### [Demo](https://axel-dev.github.io/react-use-cancel-token/)

## Install

```bash
npm install --save react-use-cancel-token
```

## Usage

### useAbortController

```tsx
import * as React from 'react';
import axios from 'axios';

import useAbortController from 'react-use-cancel-token';

const Example = () => {
  const { newAbortSignal, cancelPreviousRequest, isCancel } =  useAbortController();

  const handleClick = async () => {
    cancelPreviousRequest();

    try {
      const response = await axios.get('request_url', { signal: newAbortSignal() });

      if (response.status === 200) {
        // handle success
      }
    } catch (err) {
      if (isCancel(err)) return;
      console.error(err);
    }
  };

  return <button onClick={handleClick}>send request</button>;
};
```

#### Outputs

| Property                | Type                | Description                                                           |
| ----------------------- | ------------------- | --------------------------------------------------------------------- |
| `controller`            | `MutableObjectRef`  | Reference to the AbortController instance                             |
| `newAbortSignal`        | `() => AbortSignal` | Generate the abort signal sent in the Axios request                   |
| `cancelPreviousRequest` | `() => void`        | Cancel any previous Axios request                                     |
| `isCancel`              | `() => boolean`     | Check if the error returned in Axios response is an abort error       |

### useCancelToken (deprecated)

```tsx
import * as React from 'react';
import axios from 'axios';

import { useCancelToken } from 'react-use-cancel-token';

const Example = () => {
  const { newCancelToken, cancelPreviousRequest, isCancel } = useCancelToken();

  const handleClick = async () => {
    cancelPreviousRequest();

    try {
      const response = await axios.get('request_url', { cancelToken: newCancelToken() });

      if (response.status === 200) {
        // handle success
      }
    } catch (err) {
      if (isCancel(err)) return;
      console.error(err);
    }
  };

  return <button onClick={handleClick}>send request</button>;
};
```

#### Outputs

| Property                | Type                | Description                                                           |
| ----------------------- | ------------------- | --------------------------------------------------------------------- |
| `source`                | `MutableObjectRef`  | Reference to Axios cancel token source                                |
| `newCancelToken`        | `() => CancelToken` | Generate the cancel token sent in the Axios request                   |
| `cancelPreviousRequest` | `() => void`        | Cancel any previous Axios request                                     |
| `isCancel`              | `() => boolean`     | Check if the error returned in Axios response is a cancel token error |

## License

MIT © [AXeL-dev](https://github.com/AXeL-dev)