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hendrikswan/storing-a-line-in-state-array.js

Created October 30, 2017 09:31
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storing-a-line-in-state-array.js
const handleDrawingEvent = line => ({
line,
type: 'LINE_DRAWN'
})
const defaultState = { lines: [] };
const reducer = (state = defaultState, action) => {
switch (action.type) {
case 'LINE_DRAWN':
return { ...state, lines: [...state.lines, action.line] };
default:
return state;
}
}
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