src/reducers/map.js
function setContext(state, action) {
  let metadata = incrementVersion(state.metadata, SOURCE_VERSION_KEY);
  metadata = incrementVersion(metadata.metadata, LAYER_VERSION_KEY);
  return Object.assign({}, action.context, {
    metadata: Object.assign({}, metadata.metadata, action.context.metadata)
  });
}
function setContext(state, action) {
  let metadata = incrementVersion(state.metadata, SOURCE_VERSION_KEY);
  metadata = incrementVersion(metadata.metadata, LAYER_VERSION_KEY);
  return Object.assign({}, action.context, {
    metadata: Object.assign({}, metadata.metadata, action.context.metadata)
  });
}
function setContext ( state , action ) { let metadata = incrementVersion ( state . metadata , SOURCE_VERSION_KEY ) ; metadata = incrementVersion ( metadata . metadata , LAYER_VERSION_KEY ) ; return Object . assign ( { } , action . context , { metadata : Object . assign ( { } , metadata . metadata , action . context . metadata ) } ) ; }
Load a new context
@param {Object} state Current state.
@param {Object} action Action to handle.

@returns {Object} The new state.
Load a new context @param { Object } state Current state . @param { Object } action Action to handle .