Function selectWithLeadingDelimiter

src/util/nodeSelectors.ts:114–151

(...delimiters: string[])

}

export function selectWithLeadingDelimiter(...delimiters: string[]) {
  return function (editor: TextEditor, node: SyntaxNode): SelectionWithContext {
    const firstSibling = node.previousSibling;
    const secondSibling = firstSibling?.previousSibling;
    let leadingDelimiterRange;
    if (firstSibling) {
      if (delimiters.includes(firstSibling.type)) {
        // Second sibling exists. Terminate before it.
        if (secondSibling) {
          leadingDelimiterRange = makeRangeFromPositions(
            secondSibling.endPosition,
            node.startPosition
          );
        }
        // First delimiter sibling exists. Terminate after it.
        else {
          leadingDelimiterRange = makeRangeFromPositions(
            firstSibling.startPosition,
            node.startPosition
          );
        }
      }
      // First sibling exists but is not the delimiter we are looking for. Terminate before it.
      else {
        leadingDelimiterRange = makeRangeFromPositions(
          firstSibling.endPosition,
          node.startPosition
        );
      }
    }
    return {
      ...simpleSelectionExtractor(editor, node),
      context: {
        leadingDelimiterRange,
      },
    };
  };
}

export function selectWithTrailingDelimiter(...delimiters: string[]) {
  return function (editor: TextEditor, node: SyntaxNode): SelectionWithContext {