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heneveld pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/brooklyn-ui.git

commit 66699f208f11c34192d7a7cc71cdd2137dfa88e9
Author: Mykola Mandra <[email protected]>
AuthorDate: Wed Jun 23 10:50:23 2021 +0100

    Check label text for null before adding into textPath html attribute
    
    Signed-off-by: Mykola Mandra <[email protected]>
---
 ui-modules/blueprint-composer/app/components/util/d3-blueprint.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ui-modules/blueprint-composer/app/components/util/d3-blueprint.js 
b/ui-modules/blueprint-composer/app/components/util/d3-blueprint.js
index 06404ed..09e562f 100755
--- a/ui-modules/blueprint-composer/app/components/util/d3-blueprint.js
+++ b/ui-modules/blueprint-composer/app/components/util/d3-blueprint.js
@@ -806,7 +806,7 @@ export function D3Blueprint(container, options) {
                 .attr('hidden', (d) => (d.label ? null : ''))
                 .attr('xlink:href', (d)=>('#' + d.source._id + '-' + 
d.target._id))
                 .attr('startOffset', '59%')
-                .html((d) => (' ' + d.label + ' '));
+                .html((d) => (d.label ? ' ' + d.label + ' ': null));
 
         // Draw the transition
         relationData.transition()

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