Function getRelevantTokens

src/processTargets/processMark.ts:64–83

* Given a selection, finds all tokens that we might use to expand the * selection. Just looks at tokens on the same line as the start and end of the * selection, because we assume that a token cannot span multiple lines. * @param selection The selection we care about * @returns A list of tokens

(selection: SelectionWithEditor)

 * @returns A list of tokens that we might expand to
 */
function getRelevantTokens(selection: SelectionWithEditor) {
  const startLine = selection.selection.start.line;
  const endLine = selection.selection.end.line;

  let tokens = getTokensInRange(
    selection.editor,
    selection.editor.document.lineAt(startLine).range
  );

  if (endLine !== startLine) {
    tokens.push(
      ...getTokensInRange(
        selection.editor,
        selection.editor.document.lineAt(endLine).range
      )
    );
  }

  return tokens;
}

/**
 * Given a selection returns a new selection which contains the tokens