React 所有者堆栈重置

一、作用

二、重置所有者堆栈限制

export function resetOwnerStackLimit() {
  if (__DEV__) {
    const now = getCurrentTime();
    const timeSinceLastReset = now - lastResetTime;
    if (timeSinceLastReset > 1000) {
      ReactSharedInternals.recentlyCreatedOwnerStacks = 0;
      lastResetTime = now;
    }
  } else {
    // These errors should never make it into a build so we don't need to encode them in codes.json
    // 这些错误永远不应该出现在构建中，所以我们不需要在 codes.json 中对它们进行编码
    throw new Error(
      'resetOwnerStackLimit should never be called in production mode. This is a bug in React.',
    );
  }
}

三、常量

1. 现在有性能

const hasPerformanceNow =
  typeof performance === 'object' && typeof performance.now === 'function';

if (hasPerformanceNow) {
  const localPerformance = performance;
  getCurrentTime = () => localPerformance.now();
} else {
  const localDate = Date;
  getCurrentTime = () => localDate.now();
}

四、变量

1. 上次重置时间

let lastResetTime = 0;

五、工具

1. 获取当前时间

let getCurrentTime: () => number | DOMHighResTimeStamp;