Refactor

src/reducers/EditorReducer.js

@@ -0,0 +1,62 @@
+const defaultTest = `# Welcome to Beautiful Atlas
+
+This is just a small preview here's what you can do:
+
+- Write markdown or rich text, you choose
+- Dont' worry about saving
+- One document for now
+- More to come
+`
+
+const state = {
+  previousTest: null,
+  text: null,
+  unsavedChanges: false,
+};
+
+const text = (state = state, action) => {
+
+  switch (action.type) {
+    case UPDATE_TEXT: {
+      let unsavedChanges = false;
+      if (lastRevision && lastRevision.text !== state.text) {
+        unsavedChanges = true;
+      }
+      return {
+        ...state,
+        unsavedChanges,
+        text: action.text,
+      };
+    }
+    case ADD_REVISION: {
+      // Create new revision if it differs from the previous one
+      if (!lastRevision || lastRevision.text !== state.text) {
+        const lastId = lastRevision ? lastRevision.id : 0;
+        return {
+          ...state,
+          revisions: [
+            ...state.revisions,
+            {
+              id: lastId + 1,
+              text: state.text,
+              created_at: action.createdAt,
+            },
+          ],
+          unsavedChanges: false,
+        };
+      } else {
+        return state;
+      }
+    }
+    case REPLACE_TEXT: {
+      const newText = state.text.replace(action.originalText, action.replacedText);
+
+      return {
+        ...state,
+        text: newText,
+      };
+    }
+    default:
+      return state;
+  }
+};