# @strudel/core

This package contains the bare essence of strudel.

## Install

```sh

npm i @strudel/core --save

```

## Example

```js

import { sequence } from '@strudel/core';

const pattern = sequence('a', ['b', 'c']);

const events = pattern.queryArc(0, 1);

const spans = events.map(

  (event) => `${event.value}: ${event.whole.begin.toFraction()} - ${event.whole.end.toFraction()} `,

);

```

yields:

```log

a: 0 - 1/2

b: 1/2 - 3/4

c: 3/4 - 1

a: 1 - 3/2

b: 3/2 - 7/4

c: 7/4 - 2

```

- [play with @strudel/core on codesandbox](https://codesandbox.io/s/strudel-core-test-forked-9ywhv7?file=/src/index.js).

- [open color pattern example](https://raw.githack.com/tidalcycles/strudel/main/packages/core/examples/canvas.html)

- [open minimal repl example](https://raw.githack.com/tidalcycles/strudel/main/packages/core/examples/vanilla.html)

- [open minimal vite example](./examples/vite-vanilla-repl/)