create.js
1.11 KB
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"use strict";
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
Object.defineProperty(exports, "__esModule", { value: true });
function create(initialState) {
var state = initialState;
var listeners = [];
function setState(partial) {
state = __assign(__assign({}, state), partial);
for (var i = 0; i < listeners.length; i++) {
listeners[i]();
}
}
function getState() {
return state;
}
function subscribe(listener) {
listeners.push(listener);
return function unsubscribe() {
var index = listeners.indexOf(listener);
listeners.splice(index, 1);
};
}
return {
setState: setState,
getState: getState,
subscribe: subscribe,
};
}
exports.create = create;