Function walkExpression

packages/db/src/query/expression-helpers.ts:150–161

(
  expr: BasicExpression | undefined | null,
  visitor: (node: BasicExpression) => void,
)

 * ```
 */
export function walkExpression(
  expr: BasicExpression | undefined | null,
  visitor: (node: BasicExpression) => void,
): void {
  if (!expr) return

  visitor(expr)

  if (expr.type === `func`) {
    expr.args.forEach((arg: BasicExpression) => walkExpression(arg, visitor))
  }
}

/**
 * Parses a WHERE expression into a custom format using provided handlers.