svelte 5 : Attribute values containing {...} must be enclosed in quote marks, unless the value only contains the expression
#12466
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dummdidumm
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Jul 17, 2024
Trailing comments were added even if they started before the node end, which violates the definition of trailing comments. This fixes that, with the consequence that some comments no longer show up in the AST at all. Previously they were stuffed _somewhere_, but arguably at the wrong positions. For example the last comment in a function body got assigned as a trailing comma for the body, which is wrong, because the body ends _after_ the comma. The special case is comments at the end of an expression tag - they are added even if there are multiple, and they are added regardless of whether they are separated by newlines or not. This ensures the expression tag end is calculated correctly. Fixes #12466
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Describe the bug
Attribute values containing
{...}must be enclosed in quote marks, unless the value only contains the expressionwhen we have comment in handler, it errorrs
Reproduction
https://svelte-5-preview.vercel.app/#H4sIAAAAAAAACo2OTQ6CMBCFrzKZuAAlQXSHQOI5rAusQ9IIU0KnJqbp3U1h4dblfG_eT8DBjOSwvgXkfiKs8TrPWKB85nS4N41CWKCzftGJNE4vZpZOsZKRBLT1LNDCzkkvlB3zi-KkDZ61GMtgWC80EUuWQ0iKks1zaKG6bKDcA1Sn86k6w75MKCpuyl8TNw8vYhks69HoVxuyvO3-TItxHbsaXQ1h_V8LttAOC5zs0wyGnljL4ine4xdIOcThGQEAAA==
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