$ swift package init --name Hello --type executable
Creating executable package: Hello
Creating Package.swift
Creating .gitignore
Creating Sources/
Creating Sources/main.swift

$ swift package add-dependency https://github.com/swiftwasm/JavaScriptKit.git --from <version>
Updating package manifest at Package.swift... done.

$ swift package add-target-dependency --package JavaScriptKit JavaScriptKit Hello
Updating package manifest at Package.swift... done.
