1 files changed, 52 insertions, 0 deletions
diff --git a/packages/gitbook-core/src/lib/createContext.js b/packages/gitbook-core/src/lib/createContext.js
new file mode 100644
index 0000000..516688e
--- /dev/null
+++ b/packages/gitbook-core/src/lib/createContext.js
@@ -0,0 +1,52 @@
+/* eslint-disable no-console */
+const { Record } = require('immutable');
+const Redux = require('redux');
+const ReduxThunk = require('redux-thunk').default;
+
+const coreReducers = require('../reducers');
+const composeReducer = require('./composeReducer');
+
+const GitBookContext = Record({
+    store: null,
+    actions: {}
+}, 'GitBookContext');
+
+/**
+ * Create a new context containing redux store from an initial state and a list of plugins.
+ * Each plugin entry is the result of {createPlugin}.
+ *
+ * @param  {Array<Plugin>} plugins
+ * @param  {Object} initialState
+ * @return {GitBookContext} context
+ */
+function createContext(plugins, initialState) {
+    // Compose the reducer from core with plugins
+    const pluginReducers = plugins.map(plugin => plugin.reduce);
+    const reducer = composeReducer(...[coreReducers].concat(pluginReducers));
+
+    // Get actions from all plugins
+    const actions = plugins.reduce((accu, plugin) => {
+        return { ...accu, ...plugin.actions };
+    });
+
+    const store = Redux.createStore(
+        (state, action) => {
+            console.log('[store]', action.type);
+            return reducer(state, action);
+        },
+        initialState,
+        Redux.compose(Redux.applyMiddleware(ReduxThunk))
+    );
+
+    // Initialize the plugins
+    plugins.forEach(plugin => {
+        plugin.init(store.dispatch, store.getState);
+    });
+
+    return GitBookContext({
+        store,
+        actions
+    });
+}
+
+module.exports = createContext;