1 files changed, 126 insertions, 0 deletions
diff --git a/app/assets/javascripts/ci/pipeline_editor/components/header/validation_segment.vue b/app/assets/javascripts/ci/pipeline_editor/components/header/validation_segment.vue
new file mode 100644
index 00000000000..84c0eef441f
--- /dev/null
+++ b/app/assets/javascripts/ci/pipeline_editor/components/header/validation_segment.vue
@@ -0,0 +1,126 @@
+<script>
+import { GlIcon, GlLink, GlLoadingIcon } from '@gitlab/ui';
+import { __, s__, sprintf } from '~/locale';
+import getAppStatus from '~/ci/pipeline_editor/graphql/queries/client/app_status.query.graphql';
+import TooltipOnTruncate from '~/vue_shared/components/tooltip_on_truncate/tooltip_on_truncate.vue';
+import {
+  EDITOR_APP_STATUS_EMPTY,
+  EDITOR_APP_STATUS_LINT_UNAVAILABLE,
+  EDITOR_APP_STATUS_LOADING,
+  EDITOR_APP_STATUS_VALID,
+} from '../../constants';
+
+export const i18n = {
+  empty: __(
+    "We'll continuously validate your pipeline configuration. The validation results will appear here.",
+  ),
+  learnMore: __('Learn more'),
+  loading: s__('Pipelines|Validating GitLab CI configuration…'),
+  invalid: s__('Pipelines|This GitLab CI configuration is invalid.'),
+  invalidWithReason: s__('Pipelines|This GitLab CI configuration is invalid: %{reason}.'),
+  unavailableValidation: s__('Pipelines|Configuration validation currently not available.'),
+  valid: s__('Pipelines|Pipeline syntax is correct.'),
+};
+
+export default {
+  i18n,
+  components: {
+    GlIcon,
+    GlLink,
+    GlLoadingIcon,
+    TooltipOnTruncate,
+  },
+  inject: {
+    lintUnavailableHelpPagePath: {
+      default: '',
+    },
+    ymlHelpPagePath: {
+      default: '',
+    },
+  },
+  props: {
+    ciConfig: {
+      type: Object,
+      required: false,
+      default: () => ({}),
+    },
+  },
+  apollo: {
+    appStatus: {
+      query: getAppStatus,
+      update(data) {
+        return data.app.status;
+      },
+    },
+  },
+  computed: {
+    helpPath() {
+      return this.isLintUnavailable ? this.lintUnavailableHelpPagePath : this.ymlHelpPagePath;
+    },
+    isEmpty() {
+      return this.appStatus === EDITOR_APP_STATUS_EMPTY;
+    },
+    isLintUnavailable() {
+      return this.appStatus === EDITOR_APP_STATUS_LINT_UNAVAILABLE;
+    },
+    isLoading() {
+      return this.appStatus === EDITOR_APP_STATUS_LOADING;
+    },
+    isValid() {
+      return this.appStatus === EDITOR_APP_STATUS_VALID;
+    },
+    icon() {
+      switch (this.appStatus) {
+        case EDITOR_APP_STATUS_EMPTY:
+          return 'check';
+        case EDITOR_APP_STATUS_LINT_UNAVAILABLE:
+          return 'time-out';
+        case EDITOR_APP_STATUS_VALID:
+          return 'check';
+        default:
+          return 'warning-solid';
+      }
+    },
+    message() {
+      const [reason] = this.ciConfig?.errors || [];
+
+      switch (this.appStatus) {
+        case EDITOR_APP_STATUS_EMPTY:
+          return this.$options.i18n.empty;
+        case EDITOR_APP_STATUS_LINT_UNAVAILABLE:
+          return this.$options.i18n.unavailableValidation;
+        case EDITOR_APP_STATUS_VALID:
+          return this.$options.i18n.valid;
+        default:
+          // Only display first error as a reason
+          return this.ciConfig?.errors?.length > 0
+            ? sprintf(this.$options.i18n.invalidWithReason, { reason }, false)
+            : this.$options.i18n.invalid;
+      }
+    },
+  },
+};
+</script>
+
+<template>
+  <div>
+    <template v-if="isLoading">
+      <gl-loading-icon size="sm" inline />
+      {{ $options.i18n.loading }}
+    </template>
+
+    <span v-else class="gl-display-inline-flex gl-white-space-nowrap gl-max-w-full">
+      <tooltip-on-truncate :title="message" class="gl-text-truncate">
+        <gl-icon :name="icon" />
+        <span data-qa-selector="validation_message_content" data-testid="validationMsg">
+          {{ message }}
+        </span>
+      </tooltip-on-truncate>
+      <span v-if="!isEmpty" class="gl-flex-shrink-0 gl-pl-2">
+        <gl-link data-testid="learnMoreLink" :href="helpPath">
+          {{ $options.i18n.learnMore }}
+        </gl-link>
+      </span>
+    </span>
+  </div>
+</template>