SSR compiler produces error with component refs

[alizauf]

I'm trying to access a component using a ref, but I receive the below error.

example:

<div>
  <Background ref:componentRef />
</div>

Stack trace

Cannot read property 'length' of undefined
TypeError: Cannot read property 'length' of undefined
at node.attributes.map.attribute (/Users/aliza.aufrichtig/Sites/2016-12-local-guns/node_modules/svelte/compiler/svelte.js:7338:31)
at Array.map (native)
at Object.enter (/Users/aliza.aufrichtig/Sites/2016-12-local-guns/node_modules/svelte/compiler/svelte.js:7333:33)
at Object.enter (/Users/aliza.aufrichtig/Sites/2016-12-local-guns/node_modules/svelte/compiler/svelte.js:7373:16)
at SsrGenerator.visit (/Users/aliza.aufrichtig/Sites/2016-12-local-guns/node_modules/svelte/compiler/svelte.js:6905:32)
at node.children.forEach.child (/Users/aliza.aufrichtig/Sites/2016-12-local-guns/node_modules/svelte/compiler/svelte.js:6913:10)
at Array.forEach (native)
at SsrGenerator.visit (/Users/aliza.aufrichtig/Sites/2016-12-local-guns/node_modules/svelte/compiler/svelte.js:6912:18)
at node.children.forEach.child (/Users/aliza.aufrichtig/Sites/2016-12-local-guns/node_modules/svelte/compiler/svelte.js:6913:10)
at Array.forEach (native)

[Rich-Harris]

Thanks – fixed in 1.5.0