@ant-design/pro-utils
Version:
69 lines • 2.5 kB
JavaScript
import _regeneratorRuntime from "@babel/runtime/helpers/esm/regeneratorRuntime";
import _asyncToGenerator from "@babel/runtime/helpers/esm/asyncToGenerator";
import { useCallback, useEffect, useRef } from 'react';
import { useRefFunction } from "../useRefFunction";
/**
* 一个去抖的 hook，传入一个 function，返回一个去抖后的 function
* @param {(...args:T) => Promise<any>} fn
* @param {number} wait?
*/
export function useDebounceFn(fn, wait) {
var callback = useRefFunction(fn);
var timer = useRef();
var cancel = useCallback(function () {
if (timer.current) {
clearTimeout(timer.current);
timer.current = null;
}
}, []);
var run = useCallback( /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee2() {
var _len,
args,
_key,
_args2 = arguments;
return _regeneratorRuntime().wrap(function _callee2$(_context2) {
while (1) switch (_context2.prev = _context2.next) {
case 0:
for (_len = _args2.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = _args2[_key];
}
if (!(wait === 0 || wait === undefined)) {
_context2.next = 3;
break;
}
return _context2.abrupt("return", callback.apply(void 0, args));
case 3:
cancel();
return _context2.abrupt("return", new Promise(function (resolve) {
timer.current = setTimeout( /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee() {
return _regeneratorRuntime().wrap(function _callee$(_context) {
while (1) switch (_context.prev = _context.next) {
case 0:
_context.t0 = resolve;
_context.next = 3;
return callback.apply(void 0, args);
case 3:
_context.t1 = _context.sent;
(0, _context.t0)(_context.t1);
return _context.abrupt("return");
case 6:
case "end":
return _context.stop();
}
}, _callee);
})), wait);
}));
case 5:
case "end":
return _context2.stop();
}
}, _callee2);
})), [callback, cancel, wait]);
useEffect(function () {
return cancel;
}, [cancel]);
return {
run: run,
cancel: cancel
};
}