fe2e3c81fe
* Add better migrations * Improves migrations * rename dev to example * renames migrate * Removes workers from git * Remove rogue dependency * Fix dropdown navigation by keyboard
250 lines
12 KiB
Markdown
250 lines
12 KiB
Markdown
<div style="text-align: center; transform: scale(.5);">
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<img src="card-repo.png"/>
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</div>
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# @tldraw/tldraw
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This package contains the [tldraw](https://tldraw.com) editor as a React component named `<TLDraw>`. You can use this package to embed the editor in any React application.
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🎨 Want to build your own tldraw-ish app instead? Try [@tldraw/core](https://github.com/tldraw/core).
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💕 Love this library? Consider [becoming a sponsor](https://github.com/sponsors/steveruizok?frequency=recurring&sponsor=steveruizok).
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## Installation
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Use your package manager of choice to install `@tldraw/core` and its peer dependencies.
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```bash
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yarn add @tldraw/tldraw
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# or
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npm i @tldraw/tldraw
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```
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## Usage
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Import the `TLDraw` React component and use it in your app.
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```tsx
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import { TLDraw } from '@tldraw/tldraw'
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function App() {
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return <TLDraw />
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}
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```
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You can control the `TLDraw` component through props:
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```tsx
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import { TLDraw, TLDrawDocument } from '@tldraw/tldraw'
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function App() {
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const myDocument: TLDrawDocument = {}
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return <TLDraw document={document} />
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}
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```
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Or imperatively through the `TLDrawState` instance:
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```tsx
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import { TLDraw, TLDrawState } from '@tldraw/tldraw'
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function App() {
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const handleMount = React.useCallback((tlstate: TLDrawState) => {
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const myDocument: TLDrawDocument = {}
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tlstate.loadDocument(myDocument).selectAll()
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}, [])
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return <TLDraw onMount={handleMount} />
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}
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```
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## Documentation
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### `TLDraw`
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The `TLDraw` React component is the [tldraw](https://tldraw.com) editor exported as a standalone component. You can control the editor through props, or through the `TLDrawState`'s imperative API. **All props are optional.**
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| Prop | Type | Description |
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| --------------- | ---------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------ |
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| `id` | `string` | An id under which to persist the component's state. |
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| `document` | `TLDrawDocument` | An initial [`TLDrawDocument`](#tldrawdocument) object. |
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| `currentPageId` | `string` | A current page id, referencing the `TLDrawDocument` object provided via the `document` prop. |
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| `onMount` | `Function` | A callback function that will be called when the editor first mounts, receiving the current `TLDrawState`. |
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| `onChange` | `Function` | A callback function that will be called whenever the `TLDrawState` updates. The update will include the current `TLDrawState` and the reason for the change. |
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| `onUserChange` | `Function` | A callback function that will be fired when the user's "presence" information changes. |
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| `autofocus` | `boolean` | Whether the editor should immediately receive focus. Defaults to true. |
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| `showMenu` | `boolean` | Whether to show the menu. |
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| `showPages` | `boolean` | Whether to show the pages menu. |
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| `showStyles` | `boolean` | Whether to show the styles menu. |
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| `showTools` | `boolean` | Whether to show the tools. |
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| `showUI` | `boolean` | Whether to show any UI other than the canvas. |
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### `TLDrawDocument`
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A `TLDrawDocument` is an object with three properties:
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- `id` - A unique ID for this document
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- `pages` - A table of `TLDrawPage` objects
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- `pageStates` - A table of `TLPageState` objects
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- `version` - The document's version, used internally for migrations.
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```ts
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import { TLDrawDocument, TLDrawState } from '@tldraw/tldraw'
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const tldocument: TLDrawDocument = {
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id: 'doc',
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version: TLDrawState.version,
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pages: {
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page1: {
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id: 'page1',
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shapes: {},
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bindings: {},
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},
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},
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pageStates: {
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page1: {
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id: 'page1',
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selectedIds: [],
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currentParentId: 'page1',
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camera: {
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point: [0, 0],
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zoom: 1,
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},
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},
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},
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}
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```
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**Tip:** TLDraw is built [@tldraw/core](https://github.com/tldraw/core). The pages and pagestates in TLDraw are just objects containing `TLPage` and `TLPageState` objects from the core library. For more about these types, check out the [@tldraw/core](https://github.com/tldraw/core) documentation.
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**Important:** In the `pages` object, each `TLPage` object must be keyed under its `id` property. Likewise, each `TLPageState` object must be keyed under its `id`. In addition, each `TLPageState` object must have an `id` that matches its corresponding page.
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### Shapes
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Your `TLPage` objects may include shapes: objects that fit one of the `TLDrawShape` interfaces listed below. All `TLDrawShapes` extends a common interface:
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| Property | Type | Description |
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| --------------------- | ---------------- | --------------------------------------------------------------- |
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| `id` | `string` | A unique ID for the shape. |
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| `name` | `string` | The shape's name. |
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| `type` | `string` | The shape's type. |
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| `parentId` | `string` | The ID of the shape's parent (a shape or its page). |
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| `childIndex` | `number` | The shape's order within its parent's children, indexed from 1. |
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| `point` | `number[]` | The `[x, y]` position of the shape. |
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| `rotation` | `number[]` | (optional) The shape's rotation in radians. |
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| `children` | `string[]` | (optional) The shape's child shape ids. |
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| `handles` | `TLDrawHandle{}` | (optional) A table of `TLHandle` objects. |
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| `isLocked` | `boolean` | (optional) True if the shape is locked. |
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| `isHidden` | `boolean` | (optional) True if the shape is hidden. |
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| `isEditing` | `boolean` | (optional) True if the shape is currently editing. |
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| `isGenerated` | `boolean` | (optional) True if the shape is generated. |
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| `isAspectRatioLocked` | `boolean` | (optional) True if the shape's aspect ratio is locked. |
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> **Important:** In order for re-ordering to work correctly, a shape's `childIndex` values _must_ start from 1, not 0. The page or parent shape's "bottom-most" child should have a `childIndex` of 1.
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The `ShapeStyle` object is a common style API for all shapes.
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| Property | Type | Description |
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| ---------- | ------------ | --------------------------------------- |
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| `size` | `SizeStyle` | The size of the shape's stroke. |
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| `dash` | `DashStyle` | The style of the shape's stroke. |
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| `color` | `ColorStyle` | The shape's color. |
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| `isFilled` | `boolean` | (optional) True if the shape is filled. |
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#### `DrawShape`
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A hand-drawn line.
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| Property | Type | Description |
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| -------- | ------------ | ----------------------------------------- |
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| `points` | `number[][]` | An array of points as `[x, y, pressure]`. |
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##### `RectangleShape`
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A rectangular shape.
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| Property | Type | Description |
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| -------- | ---------- | --------------------------------------- |
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| `size` | `number[]` | The `[width, height]` of the rectangle. |
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#### `EllipseShape`
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An elliptical shape.
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| Property | Type | Description |
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| -------- | ---------- | ----------------------------------- |
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| `radius` | `number[]` | The `[x, y]` radius of the ellipse. |
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#### `ArrowShape`
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An arrow that can connect shapes.
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| Property | Type | Description |
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| ------------- | -------- | ----------------------------------------------------------------------- |
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| `handles` | `object` | An object with three `TLHandle` properties: `start`, `end`, and `bend`. |
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| `decorations` | `object` | An object with two properties `start`, `end`, and `bend`. |
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#### `TextShape`
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A line of text.
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| Property | Type | Description |
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| -------- | -------- | ------------------------- |
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| `text` | `string` | The shape's text content. |
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#### `StickyShape`
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A sticky note.
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| Property | Type | Description |
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| -------- | -------- | ------------------------- |
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| `text` | `string` | The shape's text content. |
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### Bindings
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A binding is a connection **from** one shape and **to** another shape. At the moment, only arrows may be bound "from". Most shapes may be bound "to", except other `ArrowShape` and `DrawShape`s.
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| Property | Type | Description |
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| ---------- | ---------------- | -------------------------------------------------------- |
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| `id` | `string` | The binding's own unique ID. |
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| `fromId` | `string` | The id of the `ArrowShape` that the binding is bound to. |
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| `toId` | `string` | The id of the other shape that the binding is bound to. |
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| `handleId` | `start` or `end` | The connected arrow handle. |
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| `distance` | `number` | The distance from the bound point. |
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| `point` | `number[]` | A normalized point representing the bound point. |
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## Local Development
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- Run `yarn` to install dependencies.
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- Run `yarn start` to start the development server for the package and for the example.
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- Open `localhost:5000` to view the example project.
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- Run `yarn test` to execute unit tests via [Jest](https://jestjs.io).
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- Run `yarn docs` to build the docs via [ts-doc](https://typedoc.org/).
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## Example
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See the `example` folder.
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## Community
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### Support
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Need help? Please [open an issue](https://github.com/tldraw/tldraw/issues/new) for support.
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### Discussion
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Want to connect with other devs? Visit the [Discord channel](https://discord.gg/s4FXZ6fppJ).
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### License
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This project is licensed under MIT. If you're using the library in a commercial product, please consider [becoming a sponsor](https://github.com/sponsors/steveruizok?frequency=recurring&sponsor=steveruizok).
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## Author
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- [@steveruizok](https://twitter.com/steveruizok)
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