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Spruce demo page #460

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60237a2
Move demo rendering to React, pt. 1
jonathonherbert Jun 19, 2025
1de7389
Layout changes; heading typeface; menu styling; correct scroll behavi…
jonathonherbert Jun 19, 2025
785acc9
Remove some type errors and lint warnings
jonathonherbert Jun 19, 2025
2eca4d2
Correct client ID colors and typeface for selection carets
jonathonherbert Jun 26, 2025
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20 changes: 5 additions & 15 deletions demo/collab/SelectionPlugin.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -132,14 +132,11 @@ const getStateForNewUserSelection = (
)
);

const newClientIDs = oldState.clientIDs.add(selectionChange.clientID);

if (selectionChange.selection) {
const decorations = getDecosForSelection(
selectionChange.userName,
selectionChange.clientID,
selectionChange.selection,
newClientIDs
selectionChange.selection
);
newDecSet = newDecSet.add(doc, decorations);
}
Expand All @@ -148,25 +145,18 @@ const getStateForNewUserSelection = (
...oldState,
decorations: newDecSet,
selections: newSels,
clientIDs: newClientIDs,
};
};

const getDecosForSelection = (
userName: string,
clientID: ClientID,
{ head, from, to, empty }: Selection,
clientIDs: Set<ClientID>
{ head, from, to, empty }: Selection
): Decoration[] => {
const clientIDIndex = Array.from(clientIDs).indexOf(clientID);
if (clientIDIndex === -1) {
return [];
}

const cursorColor = selectColor(clientIDIndex);
const cursorColor = selectColor(parseInt(clientID));
const cursorDeco = getCursorDeco(head, clientID, userName, cursorColor);

const selectionColor = selectColor(clientIDIndex, true);
const selectionColor = selectColor(parseInt(clientID), true);
const selectionDeco = empty
? undefined
: getSelectionDeco(from, to, clientID, selectionColor);
Expand Down Expand Up @@ -220,7 +210,7 @@ const notEmpty = <TValue>(
return value !== null && value !== undefined;
};

const selectColor = (index: number, isBackground = false) => {
export const selectColor = (index: number, isBackground = false) => {
const hue = index * 137.508; // Use golden angle approximation
return `hsl(${hue},50%,${isBackground ? 90 : 50}%)`;
};
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2 changes: 1 addition & 1 deletion demo/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@
</head>

<body>
<div id="content-container">
<div id="app">
<div id="button-container"><button id="content-data-toggle">Toggle data view</button></div>
<div id="content">
<div id="editor-container"></div>
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