arrayDestructuringInSwitch1.ts

export type Expression = BooleanLogicExpression | 'true' | 'false';
export type BooleanLogicExpression = ['and', ...Expression[]] | ['not', Expression];

export function evaluate(expression: Expression): boolean {
  if (Array.isArray(expression)) {
    const [operator, ...operands] = expression;
    switch (operator) {
      case 'and': {
        return operands.every((child) => evaluate(child));
      }
      case 'not': {
        return !evaluate(operands[0]);
      }
      default: {
        throw new Error(`${operator} is not a supported operator`);
      }
    }
  } else {
    return expression === 'true';
  }
}