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redux-scc
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This commit is contained in:
Kai Moseley 2016-12-04 16:30:48 +00:00
parent 065126c761
commit 76c577ce6c
2 changed files with 20 additions and 12 deletions
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13
src/redux-arg/reducers.js
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@ -9,6 +9,10 @@ import type {
ObjectReducerBehaviorsConfig, ObjectReducerBehaviorsConfig,
ObjectReducerBehaviors, ObjectReducerBehaviors,
} from './reducers/objectReducer'; } from './reducers/objectReducer';
import type {
StructureType,
PrimitiveType,
} from './structure';
//============================== //==============================
// Flow types // Flow types
@ -62,3 +66,12 @@ export function createReducerBehaviors(behaviorsConfig: ReducerBehaviorsConfig,
[`${locationString}.${name}`]: behavior.reducer, [`${locationString}.${name}`]: behavior.reducer,
}), {}); }), {});
} }
export function calculateDefaults(typeDescription: StructureType | PrimitiveType) {
const { type, structure = {}} = typeDescription;
if ([PROP_TYPES.array, PROP_TYPES.shape].find(type))
return reduce(reducerStructure, (memo, propValue, propName) => ({
...memo,
[propName]: propValue().defaultValue,
}), {});
}

19
src/redux-arg/reducers/arrayReducer.js
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@ -47,7 +47,7 @@ function checkIndex(state: Object, payload: any, behaviorName: string): boolean
return true; return true;
} }
const DEFAULT_OBJECT_BEHAVIORS: ArrayReducerBehaviorsConfig = { const DEFAULT_ARRAY_BEHAVIORS: ArrayReducerBehaviorsConfig = {
updateAtIndex: { updateAtIndex: {
action(value) { return value }, action(value) { return value },
reducer(state, payload, initialState, index) { reducer(state, payload, initialState, index) {
@ -95,29 +95,24 @@ export function createArrayReducer(reducerShape: StructureType, {
locationString locationString
}: ArrayReducerOptions = {}) { }: ArrayReducerOptions = {}) {
return { return {
reducers: createReducer(reducerShape, createReducerBehaviors(DEFAULT_OBJECT_BEHAVIORS, locationString)), reducers: createReducer(reducerShape, createReducerBehaviors(DEFAULT_ARRAY_BEHAVIORS, locationString)),
actionsObject: createActions(DEFAULT_OBJECT_BEHAVIORS, locationString, {}), actionsObject: createActions(DEFAULT_ARRAY_BEHAVIORS, locationString, {}),
}; };
} }
function calculateDefaults(reducerStructure) {
return reduce(reducerStructure, (memo, propValue, propName) => ({
...memo,
[propName]: propValue().defaultValue,
}), {});
}
function createReducer(arrayStructure: StructureType, behaviors: ArrayReducerBehaviors): ArrayReducer {
const initialState = calculateDefaults(arrayStructure().structure); function createReducer(arrayTypeDescription: StructureType, behaviors: ArrayReducerBehaviors): ArrayReducer {
const initialState = calculateDefaults(arrayTypeDescription);
return (state = initialState, { type, payload }: ArrayReducerAction) => { return (state = initialState, { type, payload }: ArrayReducerAction) => {
//If the action type does not match any of the specified behaviors, just return the current state. //If the action type does not match any of the specified behaviors, just return the current state.
if (!behaviors[type]) return state; if (!behaviors[type]) return state;
//Sanitize the payload using the reducer shape, then apply the sanitized //Sanitize the payload using the reducer shape, then apply the sanitized
//payload to the state using the behavior linked to this action type. //payload to the state using the behavior linked to this action type.
return behaviors[type](state, validateArray(arrayStructure, payload), initialState); return behaviors[type](state, validateArray(arrayTypeDescription, payload), initialState);
} }
} }