fix: workaround for this rust-lang/docs.rs#1823 (#52)

bindings/bindings.ts

@@ -1,39 +1,39 @@
 // Auto-generated with deno_bindgen
-import { CachePolicy, prepare } from "https://deno.land/x/[email protected]/plug.ts"
+import { CachePolicy, prepare } from "https://deno.land/x/[email protected]/plug.ts";
 
 function encode(v: string | Uint8Array): Uint8Array {
-  if (typeof v !== "string") return v
-  return new TextEncoder().encode(v)
+  if (typeof v !== "string") return v;
+  return new TextEncoder().encode(v);
 }
 
 function decode(v: Uint8Array): string {
-  return new TextDecoder().decode(v)
+  return new TextDecoder().decode(v);
 }
 
 function readPointer(v: any): Uint8Array {
-  const ptr = new Deno.UnsafePointerView(v as bigint)
-  const lengthBe = new Uint8Array(4)
-  const view = new DataView(lengthBe.buffer)
-  ptr.copyInto(lengthBe, 0)
-  const buf = new Uint8Array(view.getUint32(0))
-  ptr.copyInto(buf, 4)
-  return buf
+  const ptr = new Deno.UnsafePointerView(v as bigint);
+  const lengthBe = new Uint8Array(4);
+  const view = new DataView(lengthBe.buffer);
+  ptr.copyInto(lengthBe, 0);
+  const buf = new Uint8Array(view.getUint32(0));
+  ptr.copyInto(buf, 4);
+  return buf;
 }
 
-const url = new URL("../target/debug", import.meta.url)
-let uri = url.toString()
-if (!uri.endsWith("/")) uri += "/"
+const url = new URL("../target/debug", import.meta.url);
+let uri = url.toString();
+if (!uri.endsWith("/")) uri += "/";
 
-let darwin: string | { aarch64: string; x86_64: string } = uri
-  + "libflowscripter_template_deno_rust_library.dylib"
+let darwin: string | { aarch64: string; x86_64: string } = uri +
+  "libflowscripter_template_deno_rust_library.dylib";
 
 if (url.protocol !== "file:") {
   // Assume that remote assets follow naming scheme
   // for each macOS artifact.
   darwin = {
     aarch64: uri + "libflowscripter_template_deno_rust_library_arm64.dylib",
     x86_64: uri + "libflowscripter_template_deno_rust_library.dylib",
-  }
+  };
 }
 
 const opts = {
@@ -44,13 +44,13 @@ const opts = {
     linux: uri + "libflowscripter_template_deno_rust_library.so",
   },
   policy: CachePolicy.NONE,
-}
+};
 const _lib = await prepare(opts, {
   add: { parameters: ["i32", "i32"], result: "i32", nonblocking: false },
-})
+});
 
 export function add(a0: number, a1: number) {
-  let rawResult = _lib.symbols.add(a0, a1)
-  const result = rawResult
-  return result
+  let rawResult = _lib.symbols.add(a0, a1);
+  const result = rawResult;
+  return result;
 }

build.rs

@@ -0,0 +1,3 @@
+// empty build script to ensure OUT_DIR is set when deno_bindgen proc macro is run
+// to work around this problem: https://github.com/rust-lang/docs.rs/issues/1823
+fn main() {}