A promising feature: JavaScript Promise Integration with Francis McCabe - WasmAssembly

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In this episode, Thomas Steiner chats with Francis McCabe from Google, who's the champion of the JavaScript Promise Integration and the Stack Switching proposals. They go from talking about synchronous assumptions in code over to discussing the JavaScript Promise Integration (JSPI) proposal and how to use it in practice, its performance implications, and how to use it in practice. After exploring a neat side effect of JSPI, namely lazy loading, the fall into the rabbit hole of comparing JSPI to the upcoming ES module integration of Wasm. Finally, Francis gives an overview of his other early stage Stack Switching proposal.

Chapters:
0:00 - Introducing Francis McCabe
1:32 - The Go! and Go(lang) programming experience
3:22 - Synchronous assumptions
6:29 - How the explainer explains JavaScript Promise Integration (JSPI)
11:23 - The performance impact of JSPI
13:44 - The JSPI standardization journey
20:30 - JSPI’s implementation status
22:33 - The JSPI origin trial
24:26 - Using JSPI in practice
28:05 - Lazy loading with JSPI
33:38 - E5 module integration and JSPI
38:08 - The Stack Switching proposal
47:59 - Wasm, but not
51:09 - Following Francis’ work

Resources:

#WebAssembly #Wasm #JSPI #Standardization

Speaker: Thomas Steiner