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Merge pull request #3442 from node-red/dupe-links

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Prevent duplicate links being added between nodes
This commit is contained in:
Nick O'Leary
2022-02-14 23:18:01 +00:00
committed by GitHub
parent 99c053f86b 0261105c52
commit 3d8505385a
1 changed files with 8 additions and 0 deletions
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8
packages/node_modules/@node-red/editor-client/src/js/nodes.js vendored
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@@ -600,6 +600,14 @@ RED.nodes = (function() {
RED.events.emit('nodes:add',n); RED.events.emit('nodes:add',n);
} }
function addLink(l) { function addLink(l) {
if (nodeLinks[l.source.id]) {
const isUnique = nodeLinks[l.source.id].out.every(function(link) {
return link.sourcePort !== l.sourcePort || link.target.id !== l.target.id
})
if (!isUnique) {
return
}
}
links.push(l); links.push(l);
if (l.source) { if (l.source) {
// Possible the node hasn't been added yet // Possible the node hasn't been added yet