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34 lines
822 B
34 lines
822 B
"use strict";
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = useMountStatus;
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var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
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var _react = require("react");
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function useMountStatus(defaultValue) {
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var destroyRef = (0, _react.useRef)(false);
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var _useState = (0, _react.useState)(defaultValue),
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_useState2 = (0, _slicedToArray2.default)(_useState, 2),
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val = _useState2[0],
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setVal = _useState2[1];
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function setValue(next) {
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if (!destroyRef.current) {
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setVal(next);
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}
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}
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(0, _react.useEffect)(function () {
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return function () {
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destroyRef.current = true;
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};
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}, []);
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return [val, setValue];
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} |