Merge pull request #1543 from GitbookIO/dream

React for rendering website with plugins

1 files changed, 58 insertions, 0 deletions

diff --git a/packages/gitbook-core/src/models/Context.js b/packages/gitbook-core/src/models/Context.js
new file mode 100644
index 0000000..f4b0d4c
--- /dev/null
+++ b/packages/gitbook-core/src/models/Context.js
@@ -0,0 +1,58 @@
+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;