37 lines
1.0 KiB
JavaScript
37 lines
1.0 KiB
JavaScript
var __assign = (this && this.__assign) || function () {
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__assign = Object.assign || function(t) {
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for (var s, i = 1, n = arguments.length; i < n; i++) {
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s = arguments[i];
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for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
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t[p] = s[p];
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}
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return t;
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};
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return __assign.apply(this, arguments);
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};
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export function create(initialState) {
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var state = initialState;
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var listeners = [];
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function setState(partial) {
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state = __assign(__assign({}, state), partial);
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for (var i = 0; i < listeners.length; i++) {
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listeners[i]();
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}
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}
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function getState() {
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return state;
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}
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function subscribe(listener) {
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listeners.push(listener);
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return function unsubscribe() {
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var index = listeners.indexOf(listener);
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listeners.splice(index, 1);
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};
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}
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return {
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setState: setState,
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getState: getState,
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subscribe: subscribe,
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};
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}
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