Standard Web Components
Preact Web Components

Web Components Study

References

Declarative Shadow DOM Specs
Declarative Shadow DOM by Jason Miller and Mason Freed
Isomorphic Web Components by Jake Lazaroff
Utility to get Declarative Shadow Dom work in JSX
What is DSD
DSD
Declarative Shadow DOM and issue in React
Declarative Shadow DOM and issue in SSR
Some useful modern browser APIs for Web components
Solid JS DSD issue