flow like the river

BACK_BACK/node_modules/parcel-bundler/lib/builtins/loaders/node/css-loader.js

@@ -0,0 +1,4 @@
+// loading a CSS style is a no-op in Node.js
+module.exports = function loadCSSBundle() {
+  return Promise.resolve();
+};

BACK_BACK/node_modules/parcel-bundler/lib/builtins/loaders/node/html-loader.js

@@ -0,0 +1,17 @@
+var fs = require('fs');
+
+module.exports = function loadHTMLBundle(bundle) {
+  return new Promise(function(resolve, reject) {
+    fs.readFile(__dirname + bundle, 'utf8', function(err, data) {
+      if (err) {
+        reject(err);
+      } else {
+        // wait for the next event loop iteration, so we are sure
+        // the current module is fully loaded
+        setImmediate(function() {
+          resolve(data);
+        });
+      }
+    });
+  });
+};

BACK_BACK/node_modules/parcel-bundler/lib/builtins/loaders/node/js-loader.js

@@ -0,0 +1,20 @@
+var fs = require('fs');
+
+module.exports = function loadJSBundle(bundle) {
+  return new Promise(function(resolve, reject) {
+    fs.readFile(__dirname + bundle, 'utf8', function(err, data) {
+      if (err) {
+        reject(err);
+      } else {
+        // wait for the next event loop iteration, so we are sure
+        // the current module is fully loaded
+        setImmediate(function() {
+          resolve(data);
+        });
+      }
+    });
+  })
+  .then(function(code) {
+    new Function('', code)();
+  });
+};

BACK_BACK/node_modules/parcel-bundler/lib/builtins/loaders/node/wasm-loader.js

@@ -0,0 +1,19 @@
+var fs = require('fs');
+
+module.exports = function loadWASMBundle(bundle) {
+  return new Promise(function(resolve, reject) {
+    fs.readFile(__dirname + bundle, function(err, data) {
+      if (err) {
+        reject(err);
+      } else {
+        resolve(data.buffer);
+      }
+    });
+  })
+  .then(function(data) {
+    return WebAssembly.instantiate(data);
+  })
+  .then(function(wasmModule) {
+    return wasmModule.instance.exports;
+  });
+};