simplify

package.json

@@ -48,7 +48,7 @@
     "make": "make -C ../../.. snarkyjs",
     "make:no-types": "npm run clean && make -C ../../.. snarkyjs_no_types",
     "bindings": "cd ../../.. && ./scripts/update-snarkyjs-bindings.sh && cd src/lib/snarkyjs",
-    "build": "rimraf ./src/bindings/compiled/_node_bindings && cp -r src/bindings/compiled/node_bindings src/bindings/compiled/_node_bindings && rimraf ./dist/node && npx tsc -p tsconfig.node.json && node src/build/copy-to-dist.js && node src/build/buildNode.js",
+    "build": "node src/build/copy-artifacts.js && rimraf ./dist/node && npm run dev && node src/build/buildNode.js",
     "build:test": "npx tsc -p tsconfig.test.json && cp src/snarky.d.ts dist/node/snarky.d.ts",
     "build:node": "npm run build",
     "build:web": "rimraf ./dist/web && node src/build/buildWeb.js",

src/build/copy-artifacts.js

@@ -0,0 +1,8 @@
+// copy some files from /src to /dist/node that tsc doesn't copy because we have .d.ts files for them
+import { copyFromTo } from './utils.js';
+
+await copyFromTo(
+  ['src/bindings/compiled/node_bindings/'],
+  'node_bindings',
+  '_node_bindings'
+);

src/build/copy-to-dist.js

@@ -1,22 +1,8 @@
-// copy some files from /src to /dist/node that tsc doesn't copy because
-// we have .d.ts files for them
-import fse from 'fs-extra';
+// copy some files from /src to /dist/node that tsc doesn't copy because we have .d.ts files for them
+import { copyFromTo } from './utils.js';
 
-let files = ['src/snarky.d.ts', 'src/bindings/compiled/_node_bindings'];
-
-await copyToDist(files);
-
-async function copyToDist(files) {
-  let promises = [];
-  for (let source of files) {
-    let target = source.replace('src/', 'dist/node/');
-    promises.push(
-      fse.copy(source, target, {
-        recursive: true,
-        overwrite: true,
-        dereference: true,
-      })
-    );
-  }
-  await Promise.all(promises);
-}
+await copyFromTo(
+  ['src/snarky.d.ts', 'src/bindings/compiled/_node_bindings'],
+  'src',
+  'dist/node'
+);

src/build/utils.js

@@ -0,0 +1,18 @@
+import fse from 'fs-extra';
+
+export { copyFromTo };
+
+async function copyFromTo(files, srcDir = undefined, targetDir = undefined) {
+  let promises = [];
+  for (let source of files) {
+    let target = source.replace(`${srcDir}/`, `${targetDir}/`);
+    promises.push(
+      fse.copy(source, target, {
+        recursive: true,
+        overwrite: true,
+        dereference: true,
+      })
+    );
+  }
+  await Promise.all(promises);
+}