@ryanuo/utils/dist/lib/common/tools.js

提供多种实用工具函数，涵盖算法、浏览器操作、网络请求等多个领域

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.curry = curry;
exports.debounce = debounce;
exports.getUuid = getUuid;
exports.safeJSONParse = safeJSONParse;
exports.throttle = throttle;
function getUuid() {
  return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, c => {
    const r = Math.random() * 16 | 0;
    const v = c === "x" ? r : r & 3 | 8;
    return v.toString(16);
  });
}
function curry(fn) {
  return function curried(...args) {
    if (args.length >= fn.length) return fn(...args);
    return function (...nextArgs) {
      const combinedArgs = [...args, ...nextArgs];
      return curried(...combinedArgs);
    };
  };
}
function safeJSONParse(json) {
  try {
    return JSON.parse(json);
  } catch (e) {
    return null;
  }
}
function debounce(fn, delay, immediate = false) {
  let timer = null;
  return (...args) => {
    if (timer !== null) window.clearTimeout(timer);
    if (immediate && timer === null) fn(...args);
    timer = window.setTimeout(() => {
      if (!immediate) fn(...args);
      timer = null;
    }, delay);
  };
}
function throttle(fn, delay, immediate = true) {
  let lastExecTime = 0;
  let timer = null;
  return (...args) => {
    const now = Date.now();
    const timeSinceLastExec = now - lastExecTime;
    const execute = () => {
      fn(...args);
      lastExecTime = now;
    };
    if (immediate && timeSinceLastExec >= delay) {
      execute();
    } else if (timer === null) {
      timer = window.setTimeout(() => {
        if (!immediate || timeSinceLastExec < delay) execute();
        timer = null;
      }, immediate ? delay - timeSinceLastExec : delay);
    }
  };
}