42 lines
1008 B
JavaScript
42 lines
1008 B
JavaScript
import Preact from "preact";
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/** @type {Store.State} */
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export const Initial = {
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People: [],
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};
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/** @type {Store.Reducer} */
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export const Reducer = (inState, inAction) => {
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const clone = { ...inState };
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switch (inAction.Key) {
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case "person-create": {
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clone.People.push({ ...inAction.Arg, ID: new Date().getTime() });
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break;
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}
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case "person-delete": {
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for (let i = 0; i < inState.People.length; i++) {
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if (inState.People[i].ID == inAction.Arg.ID) {
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inState.People.splice(i, 1);
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break;
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}
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}
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}
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}
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return clone;
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};
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/** @type {Store.Context} */
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const Context = Preact.createContext([Initial, (_a) => {}]);
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/** @type {Store.Provider} */
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export const Provider = (props) => {
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const binding = Preact.useReducer(Reducer, Initial);
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return Preact.createElement(Context.Provider, {
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value: binding,
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children: props.children,
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});
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};
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/** @type {Store.Consumer} */
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export const Consumer = () => Preact.useContext(Context);
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