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calvinfroedge/reducer-immutable.js

Created April 21, 2016 14:02
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  1. calvinfroedge created this gist Apr 21, 2016.
    35 changes: 35 additions & 0 deletions reducer-immutable.js
    View file
    Original file line number Diff line number Diff line change
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    import { handleActions } from 'redux-actions'
    import { INVOICE } from '../constants'
    import { INVOICE_JSON } from '../data'
    import Immutable from 'immutable'

    let obj = {};

    let { ADD, UPDATE, REMOVE, RECIPIENT_ADD, ITEM_REMOVE, ITEM_ADD } = INVOICE;

    obj[ADD] = (state, action)=>{
    return state.push(Immutable.fromJS(action.payload));
    };
    obj[UPDATE] = (state, action)=>{
    let { index, selected, value } = action.payload;
    selected.unshift(index);
    return state.updateIn(selected, val => value);
    };
    obj[RECIPIENT_ADD] = (state, action)=>{
    let { index } = action.payload;
    return state.updateIn([index, 'to', 'recipients'], val => val.push(INVOICE_JSON.to.recipients[0]))
    };
    obj[ITEM_ADD] = (state, action)=>{
    let { index, selected, value } = action.payload;
    selected.unshift(index);
    return state.updateIn(selected, val => val.push(INVOICE_JSON.items[0]));
    };
    obj[ITEM_REMOVE] = (state, action)=>{
    let { index, selected } = action.payload;
    selected.unshift(index);
    return state.removeIn(selected);
    };
    obj[REMOVE] = (state, action)=>{
    return state.remove(action.payload);
    }
    export default handleActions(obj, Immutable.fromJS([]));