
package.lib.hooks.useLock.js Maven / Gradle / Ivy
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"use strict";
var _typeof = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = useLock;
var React = _interopRequireWildcard(require("react"));
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != _typeof(e) && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
/**
* Locker return cached mark.
* If set to `true`, will return `true` in a short time even if set `false`.
* If set to `false` and then set to `true`, will change to `true`.
* And after time duration, it will back to `null` automatically.
*/
function useLock() {
var duration = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 250;
var lockRef = React.useRef(null);
var timeoutRef = React.useRef(null);
// Clean up
React.useEffect(function () {
return function () {
window.clearTimeout(timeoutRef.current);
};
}, []);
function doLock(locked) {
if (locked || lockRef.current === null) {
lockRef.current = locked;
}
window.clearTimeout(timeoutRef.current);
timeoutRef.current = window.setTimeout(function () {
lockRef.current = null;
}, duration);
}
return [function () {
return lockRef.current;
}, doLock];
}
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