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import { AssetRecordType, Editor, TLAsset, TLAssetId, TLBookmarkShape, TLExternalContentSource, TLShapePartial, Vec, VecLike, createShapeId, getEmbedInfo, getHashForString } from "tldraw";
export default async function createEmbedsFromUrl({url, point, sources, editor}: {
url: string
point: VecLike | undefined
sources: TLExternalContentSource[] | undefined
editor: Editor
}){
const position =
point ??
(editor.inputs.shiftKey
? editor.inputs.currentPagePoint
: editor.getViewportPageBounds().center);
if (url?.includes("x.com") || url?.includes("twitter.com")) {
return editor.createShape({
type: "Twittercard",
x: position.x - 250,
y: position.y - 150,
props: { url: url },
});
}
// try to paste as an embed first
const embedInfo = getEmbedInfo(url);
if (embedInfo) {
return editor.putExternalContent({
type: "embed",
url: embedInfo.url,
point,
embed: embedInfo.definition,
});
}
const assetId: TLAssetId = AssetRecordType.createId(
getHashForString(url),
);
const shape = createEmptyBookmarkShape(editor, url, position);
// Use an existing asset if we have one, or else else create a new one
let asset = editor.getAsset(assetId) as TLAsset;
let shouldAlsoCreateAsset = false;
if (!asset) {
shouldAlsoCreateAsset = true;
try {
const bookmarkAsset = await editor.getAssetForExternalContent({
type: "url",
url,
});
const fetchWebsite: {
title?: string;
image?: string;
description?: string;
} = await (await fetch(`/api/unfirlsite?website=${url}`, {
method: "POST"
})).json()
if (bookmarkAsset){
if (fetchWebsite.title) bookmarkAsset.props.title = fetchWebsite.title;
if (fetchWebsite.image) bookmarkAsset.props.image = fetchWebsite.image;
if (fetchWebsite.description) bookmarkAsset.props.description = fetchWebsite.description;
}
if (!bookmarkAsset) throw Error("Could not create an asset");
asset = bookmarkAsset;
} catch (e) {
console.log(e)
return;
}
}
editor.batch(() => {
if (shouldAlsoCreateAsset) {
editor.createAssets([asset]);
}
editor.updateShapes([
{
id: shape.id,
type: shape.type,
props: {
assetId: asset.id,
},
},
]);
});
}
function centerSelectionAroundPoint(editor: Editor, position: VecLike) {
// Re-position shapes so that the center of the group is at the provided point
const viewportPageBounds = editor.getViewportPageBounds()
let selectionPageBounds = editor.getSelectionPageBounds()
if (selectionPageBounds) {
const offset = selectionPageBounds!.center.sub(position)
editor.updateShapes(
editor.getSelectedShapes().map((shape) => {
const localRotation = editor.getShapeParentTransform(shape).decompose().rotation
const localDelta = Vec.Rot(offset, -localRotation)
return {
id: shape.id,
type: shape.type,
x: shape.x! - localDelta.x,
y: shape.y! - localDelta.y,
}
})
)
}
// Zoom out to fit the shapes, if necessary
selectionPageBounds = editor.getSelectionPageBounds()
if (selectionPageBounds && !viewportPageBounds.contains(selectionPageBounds)) {
editor.zoomToSelection()
}
}
export function createEmptyBookmarkShape(
editor: Editor,
url: string,
position: VecLike
): TLBookmarkShape {
const partial: TLShapePartial = {
id: createShapeId(),
type: 'bookmark',
x: position.x - 150,
y: position.y - 160,
opacity: 1,
props: {
assetId: null,
url,
},
}
editor.batch(() => {
editor.createShapes([partial]).select(partial.id)
centerSelectionAroundPoint(editor, position)
})
return editor.getShape(partial.id) as TLBookmarkShape
}
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