js很多嵌套if怎么优化

function checkConditions(a, b, c) {
    if (a < 0) return false;
    if (b > 10) return false;
    if (c !== 'valid') return false;

    // 所有条件都满足
    return true;
}

function checkConditions(a, b, c) {
    return a >= 0 && b <= 10 && c === 'valid';
}

const result = a < 0 ? 'negative' : 'non-negative';

const strategies = {
    'conditionA': () => { /* 处理逻辑 */ },
    'conditionB': () => { /* 处理逻辑 */ },
    'conditionC': () => { /* 处理逻辑 */ }
};

function executeStrategy(condition) {
    const strategy = strategies[condition];
    if (strategy) {
        return strategy();
    }
    throw new Error('Unknown condition');
}

switch (value) {
    case 'A':
        // 处理逻辑
        break;
    case 'B':
        // 处理逻辑
        break;
    default:
        // 默认处理逻辑
}

const conditions = [
    { check: (a) => a >= 0, message: 'a should be non-negative' },
    { check: (b) => b <= 10, message: 'b should be less than or equal to 10' },
    { check: (c) => c === 'valid', message: 'c should be valid' }
];

function validate(a, b, c) {
    for (const { check, message } of conditions) {
        if (!check(a, b, c)) {
            throw new Error(message);
        }
    }
}