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55 lines
1.7 KiB
55 lines
1.7 KiB
import { nanoid } from 'nanoid/non-secure';
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/**
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* Base router object that can be used when writing custom routers.
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* This provides few helper methods to handle common actions such as `RESET`.
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*/
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const BaseRouter = {
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getStateForAction(state, action) {
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switch (action.type) {
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case 'SET_PARAMS':
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{
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const index = action.source ? state.routes.findIndex(r => r.key === action.source) : state.index;
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if (index === -1) {
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return null;
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}
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return {
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...state,
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routes: state.routes.map((r, i) => i === index ? {
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...r,
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params: {
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...r.params,
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...action.payload.params
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}
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} : r)
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};
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}
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case 'RESET':
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{
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const nextState = action.payload;
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if (nextState.routes.length === 0 || nextState.routes.some(route => !state.routeNames.includes(route.name))) {
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return null;
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}
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if (nextState.stale === false) {
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if (state.routeNames.length !== nextState.routeNames.length || nextState.routeNames.some(name => !state.routeNames.includes(name))) {
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return null;
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}
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return {
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...nextState,
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routes: nextState.routes.map(route => route.key ? route : {
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...route,
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key: `${route.name}-${nanoid()}`
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})
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};
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}
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return nextState;
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}
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default:
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return null;
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}
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},
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shouldActionChangeFocus(action) {
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return action.type === 'NAVIGATE';
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}
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};
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export default BaseRouter;
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//# sourceMappingURL=BaseRouter.js.map
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