@ant-design/pro-utils
Version:
76 lines (75 loc) • 2.88 kB
JavaScript
;
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.useDebounceFn = useDebounceFn;
var _regeneratorRuntime2 = _interopRequireDefault(require("@babel/runtime/helpers/regeneratorRuntime"));
var _asyncToGenerator2 = _interopRequireDefault(require("@babel/runtime/helpers/asyncToGenerator"));
var _react = require("react");
var _useRefFunction = require("../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?
*/
function useDebounceFn(fn, wait) {
var callback = (0, _useRefFunction.useRefFunction)(fn);
var timer = (0, _react.useRef)();
var cancel = (0, _react.useCallback)(function () {
if (timer.current) {
clearTimeout(timer.current);
timer.current = null;
}
}, []);
var run = (0, _react.useCallback)( /*#__PURE__*/(0, _asyncToGenerator2.default)( /*#__PURE__*/(0, _regeneratorRuntime2.default)().mark(function _callee2() {
var _len,
args,
_key,
_args2 = arguments;
return (0, _regeneratorRuntime2.default)().wrap(function _callee2$(_context2) {
while (1) switch (_context2.prev = _context2.next) {
case 0:
for (_len = _args2.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = _args2[_key];
}
if (!(wait === 0 || wait === undefined)) {
_context2.next = 3;
break;
}
return _context2.abrupt("return", callback.apply(void 0, args));
case 3:
cancel();
return _context2.abrupt("return", new Promise(function (resolve) {
timer.current = setTimeout( /*#__PURE__*/(0, _asyncToGenerator2.default)( /*#__PURE__*/(0, _regeneratorRuntime2.default)().mark(function _callee() {
return (0, _regeneratorRuntime2.default)().wrap(function _callee$(_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]);
(0, _react.useEffect)(function () {
return cancel;
}, [cancel]);
return {
run: run,
cancel: cancel
};
}