lint & format

This commit is contained in:
dwelle
2026-01-24 22:27:43 +01:00
parent be9981bda5
commit 29ba7fe96d
181 changed files with 3968 additions and 2654 deletions
@@ -10,11 +10,11 @@ import { FONT_FAMILY } from "@excalidraw/excalidraw";
`FONT_FAMILY` contains all the font families used in `Excalidraw`. The default families are the following:
| Font Family | Description |
| ----------- | ---------------------- |
| `Excalifont` | The `Hand-drawn` font |
| `Nunito` | The `Normal` Font |
| `Comic Shanns` | The `Code` Font |
| Font Family | Description |
| -------------- | --------------------- |
| `Excalifont` | The `Hand-drawn` font |
| `Nunito` | The `Normal` Font |
| `Comic Shanns` | The `Code` Font |
Pre-selected family is `FONT_FAMILY.Excalifont`, unless it's overriden with `initialData.appState.currentItemFontFamily`.
@@ -13,7 +13,7 @@ Once the callback is triggered, you will need to store the api in state to acces
```jsx showLineNumbers
export default function App() {
const [excalidrawAPI, setExcalidrawAPI] = useState(null);
return <Excalidraw excalidrawAPI={(api)=> setExcalidrawAPI(api)} />;
return <Excalidraw excalidrawAPI={(api) => setExcalidrawAPI(api)} />;
}
```
@@ -362,10 +362,9 @@ This API has the below signature. It sets the `tool` passed in param as the acti
```ts
(
tool: (
| { type: ToolType }
| { type: "custom"; customType: string }
) & { locked?: boolean },
tool: ({ type: ToolType } | { type: "custom"; customType: string }) & {
locked?: boolean;
},
) => {};
```
@@ -1,7 +1,15 @@
# initialData
<pre>
&#123; elements?: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114">ExcalidrawElement[]</a>, appState?: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95">AppState</a> &#125;
&#123; elements?:{" "}
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114">
ExcalidrawElement[]
</a>
, appState?:{" "}
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95">
AppState
</a>{" "}
&#125;
</pre>
This helps to load Excalidraw with `initialData`. It must be an object or a [promise](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/Promise) which resolves to an object containing the below optional fields.
@@ -46,7 +54,7 @@ function App() {
},
],
appState: { zenModeEnabled: true, viewBackgroundColor: "#a5d8ff" },
scrollToContent: true
scrollToContent: true,
}}
/>
</div>
@@ -3,7 +3,7 @@
All `props` are _optional_.
| Name | Type | Default | Description |
| --- | --- | --- | --- |
| --- | --- | --- | --- | --- |
| [`initialData`](/docs/@excalidraw/excalidraw/api/props/initialdata) | `object` &#124; `null` &#124; <code>Promise<object &#124; null></code> | `null` | The initial data with which app loads. |
| [`excalidrawAPI`](/docs/@excalidraw/excalidraw/api/props/excalidraw-api) | `function` | \_ | Callback triggered with the excalidraw api once rendered |
| [`isCollaborating`](#iscollaborating) | `boolean` | \_ | This indicates if the app is in `collaboration` mode |
@@ -31,7 +31,7 @@ All `props` are _optional_.
| [`generateIdForFile`](#generateidforfile) | `function` | \_ | Allows you to override `id` generation for files added on canvas |
| [`validateEmbeddable`](#validateembeddable) | `string[]` \| `boolean` \| `RegExp` \| `RegExp[]` \| <code>((link: string) => boolean &#124; undefined)</code> | \_ | use for custom src url validation |
| [`renderEmbeddable`](/docs/@excalidraw/excalidraw/api/props/render-props#renderEmbeddable) | `function` | \_ | Render function that can override the built-in `<iframe>` |
| [`renderScrollbars`] | `boolean`| | `false` | Indicates whether scrollbars will be shown
| [`renderScrollbars`] | `boolean` | | `false` | Indicates whether scrollbars will be shown |
### Storing custom data on Excalidraw elements
@@ -247,7 +247,7 @@ This prop indicates whether to `focus` the Excalidraw component on page load. De
Allows you to override `id` generation for files added on canvas (images). By default, an SHA-1 digest of the file is used.
```tsx
(file: File) => string | Promise<string>
(file: File) => string | Promise<string>;
```
### validateEmbeddable
@@ -65,7 +65,7 @@ If user choses to `dock` the sidebar, it will push the right part of the UI towa
function App() {
return (
<div style={{ height: "500px" }}>
<Excalidraw UIOptions={{dockedSidebarBreakpoint: 200}}/>
<Excalidraw UIOptions={{ dockedSidebarBreakpoint: 200 }} />
</div>
);
}
@@ -73,9 +73,8 @@ function App() {
## tools
This `prop` controls the visibility of the tools in the editor.
Currently you can control the visibility of `image` tool via this prop.
This `prop` controls the visibility of the tools in the editor. Currently you can control the visibility of `image` tool via this prop.
| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| image | boolean | true | Decides whether `image` tool should be visible.
| Prop | Type | Default | Description |
| ----- | ------- | ------- | ----------------------------------------------- |
| image | boolean | true | Decides whether `image` tool should be visible. |
@@ -14,35 +14,44 @@ We're working on much improved export utilities. Stay tuned!
**_Signature_**
<pre>
exportToCanvas(&#123;<br/>&nbsp;
elements,<br/>&nbsp;
appState<br/>&nbsp;
getDimensions,<br/>&nbsp;
files,<br/>&nbsp;
exportPadding?: number;<br/>
&#125;: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/utils/export.ts#L24">ExportOpts</a>
exportToCanvas(&#123;
<br />
&nbsp; elements,
<br />
&nbsp; appState
<br />
&nbsp; getDimensions,
<br />
&nbsp; files,
<br />
&nbsp; exportPadding?: number;
<br />
&#125;:{" "}
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/utils/export.ts#L24">
ExportOpts
</a>
</pre>
| Name | Type | Default | Description |
| --- | --- | --- | --- |
| `elements` | [Excalidraw Element []](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114) | | The elements to be exported to canvas. |
| `appState` | [AppState](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/packages/utils.ts#L23) | [Default App State](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/appState.ts#L17) | The app state of the scene. |
| [`getDimensions`](#getdimensions) | `function` | _ | A function which returns the `width`, `height`, and optionally `scale` (defaults to `1`), with which canvas is to be exported. |
| `maxWidthOrHeight` | `number` | _ | The maximum `width` or `height` of the exported image. If provided, `getDimensions` is ignored. |
| `files` | [BinaryFiles](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L59) | _ | The files added to the scene. |
| [`getDimensions`](#getdimensions) | `function` | \_ | A function which returns the `width`, `height`, and optionally `scale` (defaults to `1`), with which canvas is to be exported. |
| `maxWidthOrHeight` | `number` | \_ | The maximum `width` or `height` of the exported image. If provided, `getDimensions` is ignored. |
| `files` | [BinaryFiles](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L59) | \_ | The files added to the scene. |
| `exportPadding` | `number` | `10` | The `padding` to be added on canvas. |
#### getDimensions
```tsx
(width: number, height: number) => {
(width: number, height: number) => {
width: number,
height: number,
scale?: number
height: number,
scale?: number
}
```
A function which returns the `width`, `height`, and optionally `scale` (defaults to `1`), with which canvas is to be exported.
A function which returns the `width`, `height`, and optionally `scale` (defaults to `1`), with which canvas is to be exported.
**How to use**
@@ -57,17 +66,17 @@ function App() {
const [canvasUrl, setCanvasUrl] = useState("");
const [excalidrawAPI, setExcalidrawAPI] = useState(null);
return (
return (
<>
<button
className="custom-button"
onClick={async () => {
if (!excalidrawAPI) {
return
return;
}
const elements = excalidrawAPI.getSceneElements();
if (!elements || !elements.length) {
return
return;
}
const canvas = await exportToCanvas({
elements,
@@ -76,7 +85,9 @@ function App() {
exportWithDarkMode: false,
},
files: excalidrawAPI.getFiles(),
getDimensions: () => { return {width: 350, height: 350}}
getDimensions: () => {
return { width: 350, height: 350 };
},
});
const ctx = canvas.getContext("2d");
ctx.font = "30px Virgil";
@@ -90,15 +101,13 @@ function App() {
<img src={canvasUrl} alt="" />
</div>
<div style={{ height: "400px" }}>
<Excalidraw excalidrawAPI={(api) => setExcalidrawAPI(api)}
/>
<Excalidraw excalidrawAPI={(api) => setExcalidrawAPI(api)} />
</div>
</>
)
);
}
```
### exportToBlob
**_Signature_**
@@ -114,7 +123,7 @@ exportToBlob(<br/>&nbsp;
| Name | Type | Default | Description |
| --- | --- | --- | --- |
| `opts` | `object` | _ | This param is passed to `exportToCanvas`. You can refer to [`exportToCanvas`](#exporttocanvas) |
| `opts` | `object` | \_ | This param is passed to `exportToCanvas`. You can refer to [`exportToCanvas`](#exporttocanvas) |
| `mimeType` | `string` | `image/png` | Indicates the image format. |
| `quality` | `number` | `0.92` | A value between `0` and `1` indicating the [image quality](https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement/toBlob#parameters). Applies only to `image/jpeg`/`image/webp` MIME types. |
| `exportPadding` | `number` | `10` | The padding to be added on canvas. |
@@ -132,26 +141,34 @@ Returns a promise which resolves with a [blob](https://developer.mozilla.org/en-
**_Signature_**
<pre>
exportToSvg(&#123;<br/>&nbsp;
elements:&nbsp;
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114">
ExcalidrawElement[]
</a>,<br/>&nbsp;
appState:
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95"> AppState
</a>,<br/>&nbsp;
exportPadding: number,<br/>&nbsp;
metadata: string,<br/>&nbsp;
files:&nbsp;
exportToSvg(&#123;
<br />
&nbsp; elements:&nbsp;
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114">
ExcalidrawElement[]
</a>
,<br />
&nbsp; appState:
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95">
{" "}
AppState
</a>
,<br />
&nbsp; exportPadding: number,
<br />
&nbsp; metadata: string,
<br />
&nbsp; files:&nbsp;
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L59">
BinaryFiles
</a>,<br/>
&#125;);
BinaryFiles
</a>
,<br />
&#125;);
</pre>
| Name | Type | Default | Description |
| --- | --- | --- | --- |
| elements | [Excalidraw Element []](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114) | | The elements to exported as `svg `|
| elements | [Excalidraw Element []](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114) | | The elements to exported as `svg ` |
| appState | [AppState](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95) | [defaultAppState](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/appState.ts#L11) | The `appState` of the scene |
| exportPadding | number | 10 | The `padding` to be added on canvas |
| files | [BinaryFiles](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L64) | undefined | The `files` added to the scene. |
@@ -176,7 +193,7 @@ exportToClipboard(<br/>&nbsp;
| `opts` | | | This param is same as the params passed to `exportToCanvas`. You can refer to [`exportToCanvas`](#exporttocanvas). |
| `mimeType` | `string` | `image/png` | Indicates the image format, this will be used when exporting as `png`. |
| `quality` | `number` | `0.92` | A value between `0` and `1` indicating the [image quality](https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement/toBlob#parameters). Applies only to `image/jpeg` / `image/webp` MIME types. This will be used when exporting as `png`. |
| `type` | 'png' &#124; 'svg' &#124; 'json' | _ | This determines the format to which the scene data should be `exported`. |
| `type` | 'png' &#124; 'svg' &#124; 'json' | \_ | This determines the format to which the scene data should be `exported`. |
**How to use**
@@ -20,8 +20,7 @@ import { restoreAppState } from "@excalidraw/excalidraw";
This function will make sure all the `keys` have appropriate `values` in [appState](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95) and if any key is missing, it will be set to its `default` value.
When `localAppState` is supplied, it's used in place of values that are missing (`undefined`) in `appState` instead of the defaults.
Use this as a way to not override user's defaults if you persist them.
You can pass `null` / `undefined` if not applicable.
Use this as a way to not override user's defaults if you persist them. You can pass `null` / `undefined` if not applicable.
### restoreElements
@@ -36,10 +35,10 @@ restoreElements(
</pre>
| Prop | Type | Description |
| ---- | ---- | ---- |
| --- | --- | --- |
| `elements` | <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114">ImportedDataState["elements"]</a> | The `elements` to be restored |
| [`localElements`](#localelements) | <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114">ExcalidrawElement[]</a> &#124; null &#124; undefined | When `localElements` are supplied, they are used to ensure that existing restored elements reuse `version` (and increment it), and regenerate `versionNonce`. |
| [`opts`](#opts) | `Object` | The extra optional parameter to configure restored elements
| [`localElements`](#localelements) | <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114">ExcalidrawElement[]</a> &#124; null &#124; undefined | When `localElements` are supplied, they are used to ensure that existing restored elements reuse `version` (and increment it), and regenerate `versionNonce`. |
| [`opts`](#opts) | `Object` | The extra optional parameter to configure restored elements |
#### localElements
@@ -47,13 +46,14 @@ When `localElements` are supplied, they are used to ensure that existing restore
Use this when you `import` elements which may already be present in the scene to ensure that you do not disregard the newly imported elements if you're using element version to detect the update
#### opts
The extra optional parameter to configure restored elements. It has the following attributes
| Prop | Type | Description|
| --- | --- | ------|
| Prop | Type | Description |
| --- | --- | --- |
| `refreshDimensions` | `boolean` | Indicates whether we should also _recalculate_ text element dimensions. Since this is a potentially costly operation, you may want to disable it if you restore elements in tight loops, such as during collaboration. |
| `repairBindings` |`boolean` | Indicates whether the _bindings_ for the elements should be repaired. This is to make sure there are no containers with non existent bound text element id and no bound text elements with non existent container id. |
| `normalizeIndices` |`boolean` | Indicates whether _fractional indices_ for the elements should be normalized. This is to prevent possible issues caused by using stale (too old, too long) indices. |
| `repairBindings` | `boolean` | Indicates whether the _bindings_ for the elements should be repaired. This is to make sure there are no containers with non existent bound text element id and no bound text elements with non existent container id. |
| `normalizeIndices` | `boolean` | Indicates whether _fractional indices_ for the elements should be normalized. This is to prevent possible issues caused by using stale (too old, too long) indices. |
**_How to use_**
@@ -94,8 +94,12 @@ This function makes sure elements and state is set to appropriate values and set
**_Signature_**
<pre>
restoreLibraryItems(libraryItems: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/types.ts#L34">ImportedDataState["libraryItems"]</a>,<br/>&nbsp;
defaultStatus: "published" | "unpublished")
restoreLibraryItems(libraryItems:{" "}
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/types.ts#L34">
ImportedDataState["libraryItems"]
</a>
,<br />
&nbsp; defaultStatus: "published" | "unpublished")
</pre>
**_How to use_**
@@ -38,6 +38,7 @@ For a complete list of variables, check [theme.scss](https://github.com/excalidr
--color-primary-light: #dcbec9;
}
```
```tsx live
function App() {
return (
@@ -23,7 +23,7 @@ To start the example app using the `@excalidraw/excalidraw` package, follow the
```
[http://localhost:3001](http://localhost:3001) will open in your default browser.
This is the same example as the [CodeSandbox](https://codesandbox.io/p/sandbox/github/excalidraw/excalidraw/tree/master/examples/with-script-in-browser) example.
## Releasing
+4 -9
View File
@@ -6,21 +6,17 @@ No, Excalidraw package doesn't come with collaboration built in, since the imple
### Turning off Aggressive Anti-Fingerprinting in Brave browser
When *Aggressive Anti-Fingerprinting* is turned on, the `measureText` API breaks which in turn breaks the Text Elements in your drawings. Here is more [info](https://github.com/excalidraw/excalidraw/pull/6336) on the same.
When _Aggressive Anti-Fingerprinting_ is turned on, the `measureText` API breaks which in turn breaks the Text Elements in your drawings. Here is more [info](https://github.com/excalidraw/excalidraw/pull/6336) on the same.
We strongly recommend turning it off. You can follow the steps below on how to do so.
1. Open [excalidraw.com](https://excalidraw.com) in Brave and click on the **Shield** button
![Shield button](../../assets/brave-shield.png)
1. Open [excalidraw.com](https://excalidraw.com) in Brave and click on the **Shield** button ![Shield button](../../assets/brave-shield.png)
<div style={{width:'30rem'}}>
2. Once opened, look for **Aggressively Block Fingerprinting**
![Aggressive block fingerprinting](../../assets/aggressive-block-fingerprint.png)
2. Once opened, look for **Aggressively Block Fingerprinting** ![Aggressive block fingerprinting](../../assets/aggressive-block-fingerprint.png)
3. Switch to **Block Fingerprinting**
![Block filtering](../../assets/block-fingerprint.png)
3. Switch to **Block Fingerprinting** ![Block filtering](../../assets/block-fingerprint.png)
4. Thats all. All text elements should be fixed now 🎉
@@ -28,7 +24,6 @@ We strongly recommend turning it off. You can follow the steps below on how to d
If disabling this setting doesn't fix the display of text elements, please consider opening an [issue](https://github.com/excalidraw/excalidraw/issues/new) on our GitHub, or message us on [Discord](https://discord.gg/UexuTaE).
### ReferenceError: process is not defined
When using `vite` or any build tools, you will have to make sure the `process` is accessible as we are accessing `process.env.IS_PREACT` to decide whether to use `preact` build.
@@ -31,9 +31,7 @@ or, if you serve your assets from the root of your CDN, you would do:
```js
// Vanilla
<head>
<script>
window.EXCALIDRAW_ASSET_PATH = "https://my.cdn.com/assets/";
</script>
<script>window.EXCALIDRAW_ASSET_PATH = "https://my.cdn.com/assets/";</script>
</head>
```
@@ -41,8 +39,8 @@ or, if you prefer the path to be dynamicly set based on the `location.origin`, y
```jsx
// Next.js
<Script id="load-env-variables" strategy="beforeInteractive" >
{ `window["EXCALIDRAW_ASSET_PATH"] = location.origin;` } // or use just "/"!
<Script id="load-env-variables" strategy="beforeInteractive">
{`window["EXCALIDRAW_ASSET_PATH"] = location.origin;`} // or use just "/"!
</Script>
```
@@ -12,8 +12,7 @@ import { Excalidraw } from "@excalidraw/excalidraw";
Throughout the documentation we use live, editable Excalidraw examples like the one shown below.
While we aim for the examples to closely reflect what you'd get if you rendered it yourself, we actually initialize it with some props behind the scenes.
For example, we're passing a `theme` prop to it based on the current color theme of the docs you're just reading.
While we aim for the examples to closely reflect what you'd get if you rendered it yourself, we actually initialize it with some props behind the scenes. For example, we're passing a `theme` prop to it based on the current color theme of the docs you're just reading.
:::
@@ -58,80 +57,76 @@ If you are using `pages router` then importing the wrapper dynamically would wor
<Tabs>
<TabItem value="Excalidraw Wrapper" label="Excalidraw Wrapper" >
```jsx showLineNumbers
"use client";
import { Excalidraw, convertToExcalidrawElements } from "@excalidraw/excalidraw";
```jsx showLineNumbers
"use client";
import { Excalidraw, convertToExcalidrawElements } from "@excalidraw/excalidraw";
import "@excalidraw/excalidraw/index.css";
import "@excalidraw/excalidraw/index.css";
const ExcalidrawWrapper: React.FC = () => {
console.info(convertToExcalidrawElements([{
type: "rectangle",
id: "rect-1",
width: 186.47265625,
height: 141.9765625,
},]));
return (
<div style={{height:"500px", width:"500px"}}>
<Excalidraw />
</div>
);
};
export default ExcalidrawWrapper;
```
const ExcalidrawWrapper: React.FC = () => {
console.info(convertToExcalidrawElements([{
type: "rectangle",
id: "rect-1",
width: 186.47265625,
height: 141.9765625,
},]));
return (
<div style={{height:"500px", width:"500px"}}>
<Excalidraw />
</div>
);
};
export default ExcalidrawWrapper;
```
</TabItem>
<TabItem value="pages" label="Pages router">
```jsx showLineNumbers
import dynamic from "next/dynamic";
```jsx showLineNumbers
import dynamic from "next/dynamic";
// Since client components get prerenderd on server as well hence importing
// the excalidraw stuff dynamically with ssr false
// Since client components get prerenderd on server as well hence importing
// the excalidraw stuff dynamically with ssr false
const ExcalidrawWrapper = dynamic(
async () => (await import("../excalidrawWrapper")).default,
{
ssr: false,
},
);
const ExcalidrawWrapper = dynamic(
async () => (await import("../excalidrawWrapper")).default,
{
ssr: false,
},
);
export default function Page() {
return <ExcalidrawWrapper />;
}
```
export default function Page() {
return (
<ExcalidrawWrapper />
);
}
```
</TabItem>
<TabItem value="app" label="App router">
```jsx showLineNumbers
import dynamic from "next/dynamic";
```jsx showLineNumbers
import dynamic from "next/dynamic";
// Since client components get prerenderd on server as well hence importing
// the excalidraw stuff dynamically with ssr false
// Since client components get prerenderd on server as well hence importing
// the excalidraw stuff dynamically with ssr false
const ExcalidrawWrapper = dynamic(
async () => (await import("../excalidrawWrapper")).default,
{
ssr: false,
},
);
const ExcalidrawWrapper = dynamic(
async () => (await import("../excalidrawWrapper")).default,
{
ssr: false,
},
);
export default function Page() {
return (
<ExcalidrawWrapper />
);
}
```
export default function Page() {
return <ExcalidrawWrapper />;
}
```
</TabItem>
</Tabs>
{/* Link should be updated to point to the latest! */}
Here is a [source code](https://github.com/excalidraw/excalidraw/tree/master/examples/with-nextjs) for the example with app and pages router. You you can try it out [here](https://excalidraw-package-example-with-nextjs.vercel.app/).
{/* Link should be updated to point to the latest! */} Here is a [source code](https://github.com/excalidraw/excalidraw/tree/master/examples/with-nextjs) for the example with app and pages router. You you can try it out [here](https://excalidraw-package-example-with-nextjs.vercel.app/).
The `types` are available at `@excalidraw/excalidraw/types`, check [CodeSandbox](https://codesandbox.io/p/sandbox/github/excalidraw/excalidraw/tree/master/examples/with-script-in-browser) example for details.
@@ -154,6 +149,7 @@ Since Vite removes env variables by default, you can update the vite config to e
"process.env.IS_PREACT": JSON.stringify("true"),
},
```
:::
## Browser
@@ -180,15 +176,16 @@ import TabItem from "@theme/TabItem";
/>
<link rel="stylesheet" href="./index.css" />
<script>
window.EXCALIDRAW_ASSET_PATH = "https://esm.sh/@excalidraw/excalidraw@0.18.0/dist/prod/";
</script>
window.EXCALIDRAW_ASSET_PATH =
"https://esm.sh/@excalidraw/excalidraw@0.18.0/dist/prod/";
</script>
<script type="importmap">
{
"imports": {
"react": "https://esm.sh/react@19.0.0",
"react/jsx-runtime": "https://esm.sh/react@19.0.0/jsx-runtime",
"react-dom": "https://esm.sh/react-dom@19.0.0"
}
}
}
</script>
</head>
@@ -208,9 +205,9 @@ import TabItem from "@theme/TabItem";
```js showLineNumbers
// See https://www.npmjs.com/package/@excalidraw/excalidraw documentation.
import * as ExcalidrawLib from 'https://esm.sh/@excalidraw/excalidraw@0.18.0/dist/dev/index.js?external=react,react-dom';
import * as ExcalidrawLib from "https://esm.sh/@excalidraw/excalidraw@0.18.0/dist/dev/index.js?external=react,react-dom";
import React from "https://esm.sh/react@19.0.0";
import ReactDOM from "https://esm.sh/react-dom@19.0.0"
import ReactDOM from "https://esm.sh/react-dom@19.0.0";
window.ExcalidrawLib = ExcalidrawLib;
console.log("Excalidraw library", ExcalidrawLib);
@@ -41,18 +41,24 @@ flowchart TD
C -->|One| D[Laptop]
C -->|Two| E[iPhone]
C -->|Three| F[Car]
```
<img src="https://github.com/excalidraw/excalidraw/assets/11256141/c8ea84fc-e9fb-4652-9a12-154136d1a798" width="250" height="200"/>
```
<img
src="https://github.com/excalidraw/excalidraw/assets/11256141/c8ea84fc-e9fb-4652-9a12-154136d1a798"
width="250"
height="200"
/>
```
flowchart LR
id1((Hello from Circle))
```
<img src="https://github.com/excalidraw/excalidraw/assets/11256141/6202a8b9-8aa7-451e-9478-4d8d75c0f2fa" width="250" height="200"/>
<img
src="https://github.com/excalidraw/excalidraw/assets/11256141/6202a8b9-8aa7-451e-9478-4d8d75c0f2fa"
width="250"
height="200"
/>
#### Subgraphs
@@ -72,7 +78,11 @@ flowchart TB
end
```
<img src="https://github.com/excalidraw/excalidraw/assets/11256141/098bce52-8f93-437c-9a06-c6972e27c70a" width="350" height="200"/>
<img
src="https://github.com/excalidraw/excalidraw/assets/11256141/098bce52-8f93-437c-9a06-c6972e27c70a"
width="350"
height="200"
/>
#### Unsupported shapes fallback to Rectangle
@@ -87,9 +97,14 @@ flowchart LR
id5[/Parallelogram fallback to Rectangle /]
id6[/Trapezoid fallback to Rectangle\]
```
The above shapes are not supported in Excalidraw hence they fallback to Rectangle
<img src="https://github.com/excalidraw/excalidraw/assets/11256141/cb269473-16c5-4c35-bd7a-d631d8cc5b47" width="350" height="200"/>
<img
src="https://github.com/excalidraw/excalidraw/assets/11256141/cb269473-16c5-4c35-bd7a-d631d8cc5b47"
width="350"
height="200"
/>
#### Markdown fallback to Regular text
@@ -99,7 +114,12 @@ Since we don't support wysiwyg text editor yet, hence [Markdown Strings](https:/
flowchart LR
A("`Hello **World**`") --> B("`Whats **up** ?`")
```
<img src="https://github.com/excalidraw/excalidraw/assets/11256141/107bd428-9ab9-42d4-ba12-b1e29c8db478" width="250" height="200"/>
<img
src="https://github.com/excalidraw/excalidraw/assets/11256141/107bd428-9ab9-42d4-ba12-b1e29c8db478"
width="250"
height="200"
/>
#### Basic FontAwesome fallback to text
@@ -112,8 +132,11 @@ flowchart TD
B-->E(A fa:fa-camera-retro perhaps?)
```
<img src="https://github.com/excalidraw/excalidraw/assets/11256141/7a693863-c3f9-42ff-b325-4b3f8303c7af" width="250" height="200"/>
<img
src="https://github.com/excalidraw/excalidraw/assets/11256141/7a693863-c3f9-42ff-b325-4b3f8303c7af"
width="250"
height="200"
/>
#### Cross Arrow head fallback to Bar Arrow head
@@ -121,8 +144,12 @@ flowchart TD
flowchart LR
Start x--x Stop
```
<img src="https://github.com/excalidraw/excalidraw/assets/11256141/217dd1ad-7f4e-4c80-8c1c-03647b42d821" width="250" height="200"/>
<img
src="https://github.com/excalidraw/excalidraw/assets/11256141/217dd1ad-7f4e-4c80-8c1c-03647b42d821"
width="250"
height="200"
/>
## Unsupported Diagram Types
@@ -135,7 +162,11 @@ erDiagram
CUSTOMER }|..|{ DELIVERY-ADDRESS : uses
```
<img src="https://github.com/excalidraw/excalidraw/assets/11256141/c1d3fdb3-32ef-4bf3-a38a-02ac3d7d2cb9" width="300" height="200"/>
<img
src="https://github.com/excalidraw/excalidraw/assets/11256141/c1d3fdb3-32ef-4bf3-a38a-02ac3d7d2cb9"
width="300"
height="200"
/>
```
gitGraph
@@ -152,4 +183,8 @@ gitGraph
```
<img src="https://github.com/excalidraw/excalidraw/assets/11256141/e5dcec0b-d570-4eb4-b981-412a996aa96c" width="400" height="300"/>
<img
src="https://github.com/excalidraw/excalidraw/assets/11256141/e5dcec0b-d570-4eb4-b981-412a996aa96c"
width="400"
height="300"
/>
@@ -2,6 +2,6 @@
The Codebase is divided into 2 Sections
* [How Parser Works under the hood](/docs/@excalidraw/mermaid-to-excalidraw/codebase/parser) - If you are interested in understanding and deep diving into inner workings of the Parser, then make sure to checkout this section.
- [How Parser Works under the hood](/docs/@excalidraw/mermaid-to-excalidraw/codebase/parser) - If you are interested in understanding and deep diving into inner workings of the Parser, then make sure to checkout this section.
* [Adding a new diagram type](/docs/@excalidraw/mermaid-to-excalidraw/codebase/new-diagram-type) - If you want to help us make the mermaid to Excalidraw Parser more powerful, you will find all information in this section to do so.
- [Adding a new diagram type](/docs/@excalidraw/mermaid-to-excalidraw/codebase/new-diagram-type) - If you want to help us make the mermaid to Excalidraw Parser more powerful, you will find all information in this section to do so.
@@ -10,7 +10,7 @@ lets run the playground server in local :point_down:
yarn start
```
This will start the playground server in port `1234` and open it in browser so you start playing with the playground.
This will start the playground server in port `1234` and open it in browser so you start playing with the playground.
## Update Supported Diagram Types
@@ -26,13 +26,13 @@ For this create a file named `{{diagramType}}.ts` in [`src/parser`](https://gith
The main aim of the parser is :point_down:
1. Determine how elements are connected in the diagram and thus finding arrow and text bindings.
1. Determine how elements are connected in the diagram and thus finding arrow and text bindings.
For this you might have to dig in to the parser `diagram.parser.yy` and which attributes to parse for the new diagram.
2. Determine the position and dimensions of each element, for this would be using the `svg`
Once the parser is ready, lets start using it.
Once the parser is ready, lets start using it.
Add the diagram type in switch case in [`parseMermaid`](https://github.com/excalidraw/mermaid-to-excalidraw/blob/master/src/parseMermaid.ts#L97) and call the parser for the same.
@@ -51,4 +51,3 @@ Thats it, you have added the new diagram type 🥳, now lets test it out!
2. Incase the new diagram type added is present in [`unsupported.ts`](https://github.com/excalidraw/mermaid-to-excalidraw/blob/master/playground/testcases/unsupported.ts) then remove it from there.
3. Verify if the test cases are running fine in playground.
@@ -8,12 +8,10 @@ In this section we will be diving into how the [flowchart parser](https://github
We use `diagram.parser.yy` attribute to parse the data. If you want to know more about how the `diagram.parse.yy` attribute looks like, you can check it [here](https://github.com/mermaid-js/mermaid/blob/00d06c7282a701849793680c1e97da1cfdfcce62/packages/mermaid/src/diagrams/flowchart/flowDb.js#L768), however for scope of flowchart we are using **3** APIs from this parser to compute `vertices`, `edges` and `clusters` as we need these data to transform to [ExcalidrawElementSkeleton](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/transform.ts#L133C13-L133C38).
For computing `vertices` and `edge`s lets consider the below svg generated by mermaid
![image](https://github.com/excalidraw/excalidraw/assets/11256141/d7013305-0b90-4fa0-a66e-b4f4604ad0b2)
## Computing the vertices
We use `getVertices` API from `diagram.parse.yy` to get the vertices for a given flowchart.
@@ -42,9 +40,10 @@ Considering the same example this is the response from the API
}
}
```
The dimensions and position is missing in this response and we need that to transform to [ExcalidrawElementSkeleton](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/transform.ts#L133C13-L133C38), for this we have our own parser [`parseVertex`](https://github.com/excalidraw/mermaid-to-excalidraw/blob/master/src/parseMermaid.ts#L178) which takes the above response and uses the `svg` together to compute position, dimensions and cleans up the response.
The final output from `parseVertex` looks like :point_down:
The final output from `parseVertex` looks like :point_down:
```js
{
@@ -73,57 +72,55 @@ The dimensions and position is missing in this response and we need that to tran
}
```
## Computing the edges
The lines and arrows are considered as `edges` in mermaid as shown in the above diagram.
We use `getEdges` API from `diagram.parse.yy` to get the edges for a given flowchart.
Considering the same example this is the response from the API
The lines and arrows are considered as `edges` in mermaid as shown in the above diagram. We use `getEdges` API from `diagram.parse.yy` to get the edges for a given flowchart. Considering the same example this is the response from the API
```js
[
{
"start": "start",
"end": "stop",
"type": "arrow_point",
"text": "",
"labelType": "text",
"stroke": "normal",
"length": 1
}
]
{
start: "start",
end: "stop",
type: "arrow_point",
text: "",
labelType: "text",
stroke: "normal",
length: 1,
},
];
```
Similarly here the dimensions and position is missing and we compute that from the svg. The [`parseEdge`](https://github.com/excalidraw/mermaid-to-excalidraw/blob/master/src/parseMermaid.ts#L245) takes the above response along with `svg` and computes the position, dimensions and cleans up the response.
The final output from `parseEdge` looks like :point_down:
The final output from `parseEdge` looks like :point_down:
```js
[
{
"start": "start",
"end": "stop",
"type": "arrow_point",
"text": "",
"labelType": "text",
"stroke": "normal",
"startX": 67.797,
"startY": 22,
"endX": 117.797,
"endY": 22,
"reflectionPoints": [
{
"x": 67.797,
"y": 22
},
{
"x": 117.797,
"y": 22
}
]
}
]
{
start: "start",
end: "stop",
type: "arrow_point",
text: "",
labelType: "text",
stroke: "normal",
startX: 67.797,
startY: 22,
endX: 117.797,
endY: 22,
reflectionPoints: [
{
x: 67.797,
y: 22,
},
{
x: 117.797,
y: 22,
},
],
},
];
```
## Computing the Subgraphs
`Subgraphs` is collection of elements grouped together. The Subgraphs map to `grouping` elements in Excalidraw.
@@ -132,46 +129,35 @@ Lets consider the below example :point_down:
![image](https://github.com/excalidraw/excalidraw/assets/11256141/5243ce4c-beaa-43d2-812a-0577b0a574d7)
We use `getSubgraphs` API to get the subgraph data for a given flowchart.
Considering the same example this is the response from the API
We use `getSubgraphs` API to get the subgraph data for a given flowchart. Considering the same example this is the response from the API
```js
[
{
"id": "one",
"nodes": [
"flowchart-a2-1399",
"flowchart-a1-1400"
],
"title": "one",
"classes": [],
"labelType": "text"
}
]
{
id: "one",
nodes: ["flowchart-a2-1399", "flowchart-a1-1400"],
title: "one",
classes: [],
labelType: "text",
},
];
```
For position and dimensions we use the svg to compute. The [`parseSubgraph`](https://github.com/excalidraw/mermaid-to-excalidraw/blob/master/src/parseMermaid.ts#L139) takes the above response along with `svg` and computes the position, dimensions and cleans up the response.
```js
[
{
"id": "one",
"nodes": [
"flowchart-a2-1399",
"flowchart-a1-1400"
],
"title": "one",
"labelType": "text",
"nodeIds": [
"a2",
"a1"
],
"x": 75.4921875,
"y": 0,
"width": 121.25,
"height": 188,
"text": "one"
}
]
```
{
id: "one",
nodes: ["flowchart-a2-1399", "flowchart-a1-1400"],
title: "one",
labelType: "text",
nodeIds: ["a2", "a1"],
x: 75.4921875,
y: 0,
width: 121.25,
height: 188,
text: "one",
},
];
```
@@ -2,7 +2,6 @@
[This](https://github.com/excalidraw/mermaid-to-excalidraw/blob/master/src/index.ts) is the entry point of the library.
`parseMermaidToExcalidraw` function is the only function exposed which receives mermaid syntax as the input, parses the mermaid syntax and resolves to Excalidraw Skeleton.
Lets look at the high level overview at how the parse works :point_down:
@@ -13,10 +12,10 @@ Lets dive deeper into individual section now to understand better.
## Parsing Mermaid diagram
One of the dependencies of the library is [`mermaid`](https://www.npmjs.com/package/mermaid) library.
We need the mermaid diagram in some extractable format so we can parse it to Excalidraw Elements.
One of the dependencies of the library is [`mermaid`](https://www.npmjs.com/package/mermaid) library. We need the mermaid diagram in some extractable format so we can parse it to Excalidraw Elements.
Parsing is broken into two steps
1. [`Rendering Mermaid to Svg`](/docs/@excalidraw/mermaid-to-excalidraw/codebase/parser#rendering-mermaid-to-svg) - This helps in determining the position and dimensions of each element in the diagram
2. [`Parsing the mermaid syntax`](/docs/@excalidraw/mermaid-to-excalidraw/codebase/parser#parsing-the-mermaid-syntax) - We also need to know how elements are connected which isn't possible with svg alone hence we also parse the mermaid syntax which helps in determining the connections and bindings between elements in the diagram.
@@ -27,10 +26,8 @@ Parsing is broken into two steps
The [`mermaid`](https://www.npmjs.com/package/mermaid) library provides the API `mermaid.render` API which gives the output of the diagram in `svg`.
If the diagram isn't supported, this svg is converted to `dataURL` and can be rendered as an image in Excalidraw.
### Parsing the mermaid syntax
For this we first need to process the options along with mermaid defination for diagram provided by the user.
@@ -57,9 +54,8 @@ If you want to understand how flowchart parser works, you can navigate to [Flowc
Now we have all the data, we just need to transform it to [ExcalidrawElementSkeleton](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/transform.ts#L133C13-L133C38) API so it can be rendered in Excalidraw.
For this we have `converters` which takes the parsed mermaid data and gives back the Excalidraw Skeleton.
For Unsupported types, we have already mentioned above that we convert it to `dataURL` and return the ExcalidrawImageSkeleton.
For this we have `converters` which takes the parsed mermaid data and gives back the Excalidraw Skeleton. For Unsupported types, we have already mentioned above that we convert it to `dataURL` and return the ExcalidrawImageSkeleton.
For supported types, currently only flowchart, we have [flowchartConverter](https://github.com/excalidraw/mermaid-to-excalidraw/blob/master/src/converter/types/flowchart.ts#L24) which parses the data and converts to [ExcalidrawElementSkeleton](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/transform.ts#L133C13-L133C38).
![image](https://github.com/excalidraw/excalidraw/assets/11256141/00226e9d-043d-4a08-989a-3ad9d2a574f1)
![image](https://github.com/excalidraw/excalidraw/assets/11256141/00226e9d-043d-4a08-989a-3ad9d2a574f1)
@@ -10,7 +10,6 @@ To set up the library in local, follow the below steps 👇🏼
Go to [@excalidraw/mermaid-to-excalidraw](https://github.com/excalidraw/mermaid-to-excalidraw) and clone the repository to your local.
```bash
git clone git@github.com:excalidraw/mermaid-to-excalidraw.git
```
@@ -20,7 +20,7 @@ Once the library is installed, its ready to use.
```js
import { parseMermaidToExcalidraw } from "@excalidraw/mermaid-to-excalidraw";
import { convertToExcalidrawElements} from "@excalidraw/excalidraw"
import { convertToExcalidrawElements } from "@excalidraw/excalidraw";
try {
const { elements, files } = await parseMermaid(diagramDefinition, {
@@ -38,5 +38,4 @@ try {
## Playground
Try it out [here](https://mermaid-to-excalidraw.vercel.app)
Try it out [here](https://mermaid-to-excalidraw.vercel.app)
+2 -6
View File
@@ -2,8 +2,7 @@
Pull requests are welcome. For major changes, please [open an issue](https://github.com/excalidraw/excalidraw/issues/new) first to discuss what you would like to change.
We have a [roadmap](https://github.com/orgs/excalidraw/projects/3) which we strongly recommend to go through and check if something interests you.
For new contributors we would recommend to start with *Easy* tasks.
We have a [roadmap](https://github.com/orgs/excalidraw/projects/3) which we strongly recommend to go through and check if something interests you. For new contributors we would recommend to start with _Easy_ tasks.
In case you want to pick up something from the roadmap, comment on that issue and one of the project maintainers will assign it to you, post which you can discuss in the issue and start working on it.
@@ -60,10 +59,7 @@ It's also a good idea to consider if your change should include additional tests
Finally - always manually test your changes using the convenient staging environment deployed for each pull request. As much as local development attempts to replicate production, there can still be subtle differences in behavior. For larger features consider testing your change in multiple browsers as well.
:::note
Some checks, such as the `lint` and `test`, require approval from the maintainers to run.
They will appear as `Expected — Waiting for status to be reported` in the PR checks when they are waiting for approval.
:::
:::note Some checks, such as the `lint` and `test`, require approval from the maintainers to run. They will appear as `Expected — Waiting for status to be reported` in the PR checks when they are waiting for approval. :::
## Translating
+1 -7
View File
@@ -54,7 +54,7 @@ yarn
yarn start
```
### Reformat all files with Prettier
### Lint & format
```bash
yarn fix
@@ -72,12 +72,6 @@ yarn test
yarn test:update
```
### Test for formatting with Prettier
```bash
yarn test:code
```
### Docker Compose
You can use docker-compose to work on Excalidraw locally if you don't want to setup a Node.js env.