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const { Record, List } = require('immutable');
const DEFAULTS = {
store: null,
actions: {},
plugins: List()
};
class Context extends Record(DEFAULTS) {
constructor(...args) {
super(...args);
this.dispatch = this.dispatch.bind(this);
this.getState = this.getState.bind(this);
}
/**
* Return current state
* @return {Object}
*/
getState() {
const { store } = this;
return store.getState();
}
/**
* Dispatch an action
* @param {Action} action
*/
dispatch(action) {
const { store } = this;
return store.dispatch(action);
}
/**
* Deactivate the context, cleanup resources from plugins.
*/
deactivate() {
const { plugins, actions } = this;
plugins.forEach(plugin => {
plugin.deactivate(this.dispatch, this.getState, actions);
});
}
/**
* Activate the context and the plugins.
*/
activate() {
const { plugins, actions } = this;
plugins.forEach(plugin => {
plugin.activate(this.dispatch, this.getState, actions);
});
}
}
module.exports = Context;
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