chore: Switch to this repository from predecessor

trans/javascript.str

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+module javascript
+imports libstrategolib signatures/-
+
+signature
+  constructors
+    TopLevel: Ex -> Ex
+
+rules
+  js: TopLevel(x) -> $[const Stdio = {
+    receives: v => { process.stdout.write(String(v)); return Stdio; }
+  }
+  [<js>x]]
+
+  js: Stdio() -> $[Stdio]
+  js: Int(x) -> x
+  js: Sum(x) -> $[[<js>x].reduce((v,w) => v+w)]
+  js: Receives(x, y) -> $[[<js>x].receives([<js>y])]
+  js: [] -> $<[]>
+  js: [x | xs] -> $<[<<js>x><<jstail>xs>]>
+
+strategies
+  // wrap expression in a toplevel and then apply code generation
+  javascript = !TopLevel(<id>); js
+
+  // translate each element of a list, prepending each with ',', and concatenate
+  jstail = foldr(!"", \ (x,y) -> $<, <<js>x><y>> \)
+
+  // Interface javascript code generation with editor services and file system
+  to-javascript: (selected, _, _, path, project-path) -> (filename, result)
+    with filename := <guarantee-extension(|"js")> path
+       ; result   := <javascript> selected