29 lines
990 B
JavaScript
29 lines
990 B
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.useHash = void 0;
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var tslib_1 = require("tslib");
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var react_1 = require("react");
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var useLifecycles_1 = tslib_1.__importDefault(require("./useLifecycles"));
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var util_1 = require("./misc/util");
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/**
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* read and write url hash, response to url hash change
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*/
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var useHash = function () {
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var _a = react_1.useState(function () { return window.location.hash; }), hash = _a[0], setHash = _a[1];
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var onHashChange = react_1.useCallback(function () {
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setHash(window.location.hash);
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}, []);
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useLifecycles_1.default(function () {
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util_1.on(window, 'hashchange', onHashChange);
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}, function () {
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util_1.off(window, 'hashchange', onHashChange);
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});
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var _setHash = react_1.useCallback(function (newHash) {
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if (newHash !== hash) {
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window.location.hash = newHash;
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}
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}, [hash]);
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return [hash, _setHash];
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};
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exports.useHash = useHash;
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