code: function findExistingBreakpoint(state, generatedLocation) {
    const breakpoints = getBreakpointsList(state);
  
    return breakpoints.find(bp => {
      return (
        bp.generatedLocation.sourceUrl == generatedLocation.sourceUrl &&
        bp.generatedLocation.line == generatedLocation.line &&
        bp.generatedLocation.column == generatedLocation.column
      );
    });
  }
docs: Look for an existing breakpoint at the specified generated location.