59 lines
1.6 KiB
TypeScript
59 lines
1.6 KiB
TypeScript
import handleUserClicked from "./userpathhandler.ts";
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import {State} from "./state";
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import {
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Action,
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ID_ACTION_CLICKED_CELL,
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ID_ACTION_CLOSED_MESSAGE_BANNER,
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ID_ACTION_LOADED_MAZE,
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ID_ACTION_LOADING_FAILED,
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ID_ACTION_STARTED_LOADING,
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ID_ACTION_TOGGLED_SHOW_SOLUTION
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} from "./action.ts";
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export default function reduce(state: State, action: Action) {
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switch (action.type) {
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case ID_ACTION_STARTED_LOADING: {
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return {
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...state,
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maze: null,
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loading: true,
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errorMessage: null
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}
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}
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case ID_ACTION_LOADED_MAZE: {
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return {
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...state,
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loading: false,
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maze: action.maze,
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userPath: []
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}
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}
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case ID_ACTION_LOADING_FAILED: {
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return {
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...state,
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loading: false,
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errorMessage: `Failed to load maze. Reason: ${action.reason}`
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}
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}
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case ID_ACTION_TOGGLED_SHOW_SOLUTION: {
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return {
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...state,
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showSolution: action.value
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}
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}
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case ID_ACTION_CLOSED_MESSAGE_BANNER: {
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return {
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...state,
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errorMessage: null
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}
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}
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case ID_ACTION_CLICKED_CELL: {
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// There's so much logic involved, externalize that into its own file.
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return handleUserClicked(state, action.x, action.y);
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}
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default: {
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throw new Error(`Unknown action: ${action.type}`);
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}
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}
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}
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