Merge "Fix: do not show undefined when hovered on copy-clipboard button"
diff --git a/polygerrit-ui/app/elements/shared/gr-copy-clipboard/gr-copy-clipboard.ts b/polygerrit-ui/app/elements/shared/gr-copy-clipboard/gr-copy-clipboard.ts
index 4a2bcee..36cffb7 100644
--- a/polygerrit-ui/app/elements/shared/gr-copy-clipboard/gr-copy-clipboard.ts
+++ b/polygerrit-ui/app/elements/shared/gr-copy-clipboard/gr-copy-clipboard.ts
@@ -20,6 +20,7 @@
import {IronIconElement} from '@polymer/iron-icon';
import {assertIsDefined, queryAndAssert} from '../../../utils/common-util';
import {classMap} from 'lit-html/directives/class-map';
+import {ifDefined} from 'lit-html/directives/if-defined';
import {css, customElement, html, property} from 'lit-element';
import {GrLitElement} from '../../lit/gr-lit-element';
import {GrButton} from '../gr-button/gr-button';
@@ -126,7 +127,7 @@
link=""
?has-tooltip=${this.hasTooltip}
class="copyToClipboard"
- title="${this.buttonTitle}"
+ title="${ifDefined(this.buttonTitle)}"
@click="${this._copyToClipboard}"
aria-label="Click to copy to clipboard"
>