split out follow’s importer as a separate component

src/components/importer/importer.js

@@ -0,0 +1,36 @@
+const Importer = {
+  data () {
+    return {
+      file: null,
+      error: false,
+      success: false,
+      uploading: false
+    }
+  },
+  methods: {
+    change () {
+      this.file = this.$refs.input.files[0]
+    },
+    submit () {
+      this.uploading = true
+      // eslint-disable-next-line no-undef
+      const formData = new FormData()
+      formData.append('list', this.file)
+      this.$store.state.api.backendInteractor.followImport({params: formData})
+        .then((status) => {
+          if (status) {
+            this.success = true
+          } else {
+            this.error = true
+          }
+          this.uploading = false
+        })
+    },
+    dismiss () {
+      this.success = false
+      this.error = false
+    }
+  }
+}
+
+export default Importer