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Spreads: Common Errors & Fixes
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Jordan Brown

Gajus Kuizinas

Gajus Kuizinas

Oct 31, 2019·1 min read

After updating I ran into the issue that you describe in the article:

indexer string [3] may overwrite properties with explicit keys in a way that Flow cannot track

Try Flow | Flow

Interactive Flow REPL

flow.org

How do I update types when the intent here is to override oldHeaders with whatever overlapping props in appendHeaders?

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Gajus Kuizinas

Software architect, startup adviser. Editor of https://medium.com/applaudience. Founder of https://go2cinema.com.

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Software architect, startup adviser. Editor of https://medium.com/applaudience. Founder of https://go2cinema.com.

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