Feat(tag): Can modify tags and save it into config.yml

src/store/modules/config.js

@@ -1,4 +1,4 @@
-import { readFile } from 'fs'
+import { readFile, writeFile } from 'fs'
 import Vue from 'vue'
 import path from 'path'
 import yaml from 'js-yaml'
@@ -50,6 +50,7 @@ export default {
   },
   actions: {
     load (context) {
+      // load config file
       readFile(path.join(context.getters.config_dir, context.getters.config_filename), 'utf8', (err, content) => {
         if (err) {
           console.log(err)
@@ -63,8 +64,22 @@ export default {
         }
       })
     },
+    save (context) {
+      // save config file
+      var config = {
+        categories: context.state.categories,
+        tags: context.state.tags,
+      }
+      var yamlConfig = yaml.safeDump(config)
+      writeFile(path.join(context.getters.config_dir, context.getters.config_filename), yamlConfig, (err) => {
+        if (err) throw err
+        console.log('The file has been saved!')
+      })
+
+    },
     edit_tag (context, tag) {
       context.commit('APPEND_TAG', { tag: tag })
-    }
+      context.dispatch('save')
+    },
   }
 }