[node] Fix undefined startRoute option #1036
Merged
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What kind of change does this pull request introduce?
Fixes a bug with Nodebox when the startRoute option is not set, which caused an invalid iframe URL to be generated.
There was a previous attempt to fix this #1002 but it didn't actually fix it due to a mistake in operator precedence.
What is the current behavior?
The iframe URL has the string "undefined" appended to it.
What is the new behavior?
The iframe URL is correct.
What steps did you take to test this? This is required before we can merge, make sure to test the flow you've updated.
No longer seeing the invalid URL when loading a Sandpack.
Checklist