feat: scratchpad to save persistent notes

src/renderer/components/TheScratchpad.vue

@@ -0,0 +1,75 @@
+<template>
+   <ConfirmModal
+      :confirm-text="$t('word.update')"
+      :cancel-text="$t('word.close')"
+      size="large"
+      :hide-footer="true"
+      @hide="hideScratchpad"
+   >
+      <template :slot="'header'">
+         <div class="d-flex">
+            <i class="mdi mdi-24px mdi-notebook-edit-outline mr-1" /> {{ $t('word.scratchpad') }}
+         </div>
+      </template>
+      <div :slot="'body'">
+         <div>
+            <div>
+               <TextEditor
+                  :value.sync="localNotes"
+                  editor-class="textarea-editor"
+                  mode="markdown"
+                  :auto-focus="true"
+                  :show-line-numbers="false"
+               />
+            </div>
+            <small class="text-gray">{{ $t('message.markdownSupported') }}</small>
+         </div>
+      </div>
+   </ConfirmModal>
+</template>
+
+<script>
+import { mapActions, mapGetters } from 'vuex';
+import ConfirmModal from '@/components/BaseConfirmModal';
+import TextEditor from '@/components/BaseTextEditor';
+
+export default {
+   name: 'TheScratchpad',
+   components: {
+      ConfirmModal,
+      TextEditor
+   },
+   data () {
+      return {
+         localNotes: '',
+         debounceTimeout: null
+      };
+   },
+   computed: {
+      ...mapGetters({
+         notes: 'scratchpad/getNotes'
+      })
+   },
+   watch: {
+      localNotes () {
+         clearTimeout(this.debounceTimeout);
+
+         this.debounceTimeout = setTimeout(() => {
+            this.changeNotes(this.localNotes);
+         }, 200);
+      }
+   },
+   created () {
+      this.localNotes = this.notes;
+   },
+   methods: {
+      ...mapActions({
+         hideScratchpad: 'application/hideScratchpad',
+         changeNotes: 'scratchpad/changeNotes'
+      }),
+      hideModal () {
+         this.$emit('hide');
+      }
+   }
+};
+</script>