Moves string to a constant

app/assets/javascripts/pipelines/components/pipelines_table_row.vue

@@ -9,6 +9,7 @@
   import CommitComponent from '../../vue_shared/components/commit.vue';
   import LoadingButton from '../../vue_shared/components/loading_button.vue';
   import Icon from '../../vue_shared/components/icon.vue';
+  import { PIPELINES_TABLE } from '../constants.js'
 
   /**
    * Pipeline table row.
@@ -46,6 +47,7 @@
         required: true,
       },
     },
+    pipelinesTable: PIPELINES_TABLE,
     data() {
       return {
         isRetrying: false,
@@ -297,7 +299,7 @@
             v-for="(stage, index) in pipeline.details.stages"
             :key="index">
             <pipeline-stage
-              type="PIPELINES_TABLE"
+              :type="$options.pipelinesTable"
               :stage="stage"
               :update-dropdown="updateGraphDropdown"
             />

app/assets/javascripts/pipelines/components/stage.vue

@@ -21,6 +21,7 @@ import Icon from '../../vue_shared/components/icon.vue';
 import LoadingIcon from '../../vue_shared/components/loading_icon.vue';
 import JobComponent from './graph/job_component.vue';
 import tooltip from '../../vue_shared/directives/tooltip';
+import { PIPELINES_TABLE } from '../constants.js'
 
 export default {
   components: {
@@ -141,7 +142,7 @@ export default {
     },
 
     pipelineActionRequestComplete() {
-      if (this.type === 'PIPELINES_TABLE') {
+      if (this.type === PIPELINES_TABLE) {
         // warn the table to update
         eventHub.$emit('refreshPipelinesTable');
       } else {

app/assets/javascripts/pipelines/constants.js

-// eslint-disable-next-line import/prefer-default-export
 export const CANCEL_REQUEST = 'CANCEL_REQUEST';
+export const PIPELINES_TABLE = 'PIPELINES_TABLE';