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Circuit diagrams: auto-expand all single nested operations #2842

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Merged
minestarks merged 1 commit into from
Jan 13, 2026
Merged

Circuit diagrams: auto-expand all single nested operations #2842

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39 changes: 24 additions & 15 deletions source/npm/qsharp/ux/circuit-vis/sqore.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -122,21 +122,7 @@ export class Sqore {
);

// If only one top-level operation, expand automatically:
if (
_circuit.componentGrid.length == 1 &&
_circuit.componentGrid[0].components.length == 1 &&
_circuit.componentGrid[0].components[0].dataAttributes != null &&
Object.prototype.hasOwnProperty.call(
_circuit.componentGrid[0].components[0].dataAttributes,
"location",
) &&
_circuit.componentGrid[0].components[0].dataAttributes["expanded"] !==
"false"
) {
const location: string =
_circuit.componentGrid[0].components[0].dataAttributes["location"];
this.expandOperation(_circuit.componentGrid, location);
}
this.expandIfSingleOperation(_circuit.componentGrid);

// Create visualization components
const composedSqore: ComposedSqore = this.compose(_circuit);
Expand Down Expand Up @@ -169,6 +155,29 @@ export class Sqore {
}
}

private expandIfSingleOperation(grid: ComponentGrid) {
if (grid.length == 1 && grid[0].components.length == 1) {
const onlyComponent = grid[0].components[0];
if (
onlyComponent.dataAttributes != null &&
Object.prototype.hasOwnProperty.call(
onlyComponent.dataAttributes,
"location",
) &&
onlyComponent.dataAttributes["expanded"] !== "false"
) {
const location: string = onlyComponent.dataAttributes["location"];
this.expandOperation(grid, location);
}
}
// Recursively expand if the only child is also a single operation
for (const col of grid) {
for (const op of col.components) {
this.expandIfSingleOperation(op.children || []);
}
}
}

/**
* Sets the viewBox attribute of the SVG element to enable zooming and panning.
*
Expand Down
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