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37 lines
785 B
37 lines
785 B
/* @flow */
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'use strict';
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export type Fiat = {
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+network: string;
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value: string;
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}
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export const initialState: Array<Fiat> = [];
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const update = (state: Array<Fiat>, action: any): Array<Fiat> => {
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const newState: Array<Fiat> = [ ...state ];
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const exists: ?Fiat = newState.find(f => f.network === action.network);
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if (exists) {
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exists.value = action.rate.price_usd;
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} else {
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newState.push({
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network: action.network,
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value: action.rate.price_usd
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})
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}
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return newState;
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}
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export default (state: Array<Fiat> = initialState, action: any): Array<Fiat> => {
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switch (action.type) {
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case 'rate__update' :
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return update(state, action);
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default:
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return state;
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}
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} |