planning

node_modules/decap-cms-core/src/reducers/config.ts

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+import { produce } from 'immer';
+
+import { CONFIG_REQUEST, CONFIG_SUCCESS, CONFIG_FAILURE } from '../actions/config';
+import { EDITORIAL_WORKFLOW } from '../constants/publishModes';
+
+import type { ConfigAction } from '../actions/config';
+import type { CmsConfig } from '../types/redux';
+
+const defaultState = {
+  isFetching: true,
+};
+
+const config = produce((state: CmsConfig, action: ConfigAction) => {
+  switch (action.type) {
+    case CONFIG_REQUEST:
+      state.isFetching = true;
+      break;
+    case CONFIG_SUCCESS:
+      return {
+        ...action.payload,
+        isFetching: false,
+        error: undefined,
+      };
+    case CONFIG_FAILURE:
+      state.isFetching = false;
+      state.error = action.payload.toString();
+  }
+}, defaultState);
+
+export function selectLocale(state: CmsConfig) {
+  return state.locale || 'en';
+}
+
+export function selectUseWorkflow(state: CmsConfig) {
+  return state.publish_mode === EDITORIAL_WORKFLOW;
+}
+
+export default config;