compress-base64/README.md

compress base64

# compress-base64

A library for compressing base64 in browser environment.

# install

```bash
npm i compress-base64
```

or

```bash
yarn add compress-base64
```

or

```bash
pnpm add compress-base64
```

# usage

## options

## es

For example.

```js
import compress from 'compress-base64';

if (typeof FileReader === 'function') {
  const reader = new FileReader();
  reader.onload = (event) => {
    compress(event.target.result, {
      width: 400,
      type: 'image/png',
      max: 200, // max size
      min: 20, // min size
      quality: 0.8,
    }).then((result) => {
      console.log(result);
    });
  };
  reader.readAsDataURL(file);
} else {
  alert('Your browser does not support FileReader');
}
```

## browser

Introduce this resource.

```html
<script src="https://unpkg.com/compress-base64@latest"></script>
```

You can also download this resource locally and then import it.

```html
<script src="/path/compress-base64/umd/index.js"></script>
```

Use it.

```js
if (typeof FileReader === 'function') {
  const reader = new FileReader();
  reader.onload = (event) => {
    window.CompressBase64.default(event.target.result, {
      width: 100,
      type: 'image/png',
      max: 7, // max size
      min: 5,
      quality: 0.8,
    }).then((result) => {
      console.log(result.length);
      resolve(result);
    });
  };
  reader.readAsDataURL(file);
} else {
  alert('Your browser does not support FileReader');
}
```