Function getSelectionInfo

src/core/updateSelections/updateSelections.ts:27–57

(
  document: TextDocument,
  selection: Selection,
  rangeBehavior: DecorationRangeBehavior
)

 * @returns An object that can be used for selection tracking
 */
export function getSelectionInfo(
  document: TextDocument,
  selection: Selection,
  rangeBehavior: DecorationRangeBehavior
): FullSelectionInfo {
  return {
    range: new Range(selection.start, selection.end),
    isForward: isForward(selection),
    expansionBehavior: {
      start: {
        type:
          rangeBehavior === DecorationRangeBehavior.ClosedClosed ||
          rangeBehavior === DecorationRangeBehavior.ClosedOpen
            ? "closed"
            : "open",
      },
      end: {
        type:
          rangeBehavior === DecorationRangeBehavior.ClosedClosed ||
          rangeBehavior === DecorationRangeBehavior.OpenClosed
            ? "closed"
            : "open",
      },
    },
    offsets: {
      start: document.offsetAt(selection.start),
      end: document.offsetAt(selection.end),
    },
    text: document.getText(selection),
  };
}

/**
 * Creates SelectionInfo objects for all selections in a list of lists.