refactor(napi/parser): lazy deser: remove construct function

napi/parser/generated/lazy/constructors.js

@@ -8,13 +8,7 @@ const { TOKEN, constructorError } = require('../../raw-transfer/lazy-common.js')
 
 const constructors = {};
 
-module.exports = { construct, constructors };
-
-function construct(ast) {
-  // (2 * 1024 * 1024 * 1024 - 16) >> 2
-  const metadataPos32 = 536870908;
-  return new RawTransferData(ast.buffer.uint32[metadataPos32], ast);
-}
+module.exports = constructors;
 
 const textDecoder = new TextDecoder('utf-8', { ignoreBOM: true }),
   decodeStr = textDecoder.decode.bind(textDecoder),

napi/parser/generated/lazy/walk.js

@@ -182,7 +182,7 @@ const {
   JSDocNullableType,
   JSDocNonNullableType,
   JSDocUnknownType,
-} = require('./constructors.js').constructors;
+} = require('./constructors.js');
 
 module.exports = walkProgram;
 

napi/parser/raw-transfer/lazy.js

@@ -2,7 +2,7 @@
 
 const { parseSyncRawImpl, parseAsyncRawImpl, returnBufferToCache } = require('./common.js'),
   { TOKEN } = require('./lazy-common.js'),
-  constructLazyData = require('../generated/lazy/constructors.js').construct,
+  { RawTransferData } = require('../generated/lazy/constructors.js'),
   walkProgram = require('../generated/lazy/walk.js'),
   { Visitor, getVisitorsArr } = require('./visitor.js');
 
@@ -104,7 +104,10 @@ function construct(buffer, sourceText, sourceLen) {
   bufferRecycleRegistry.register(ast, buffer, ast);
 
   // Get root data class instance
-  const data = constructLazyData(ast);
+  // (2 * 1024 * 1024 * 1024 - 16) >> 2
+  const metadataPos32 = 536870908;
+  const rawDataPos = buffer.uint32[metadataPos32];
+  const data = new RawTransferData(rawDataPos, ast);
 
   return {
     get program() {
@@ -121,10 +124,7 @@ function construct(buffer, sourceText, sourceLen) {
     },
     dispose: dispose.bind(null, ast),
     visit(visitor) {
-      // (2 * 1024 * 1024 * 1024 - 16) >> 2
-      const metadataPos32 = 536870908;
-      const pos = buffer.uint32[metadataPos32];
-      walkProgram(pos, ast, getVisitorsArr(visitor));
+      walkProgram(rawDataPos, ast, getVisitorsArr(visitor));
     },
   };
 }

tasks/ast_tools/src/generators/raw_transfer_lazy.rs

@@ -62,13 +62,7 @@ static CONSTRUCT_PRELUDE: &str = "
 
     const constructors = {};
 
-    module.exports = { construct, constructors };
-
-    function construct(ast) {
-        // (2 * 1024 * 1024 * 1024 - 16) >> 2
-        const metadataPos32 = 536870908;
-        return new RawTransferData(ast.buffer.uint32[metadataPos32], ast);
-    }
+    module.exports = constructors;
 
     const textDecoder = new TextDecoder('utf-8', { ignoreBOM: true }),
         decodeStr = textDecoder.decode.bind(textDecoder),
@@ -182,7 +176,7 @@ fn generate(
 
         const {{
             {constructor_names}
-        }} = require('./constructors.js').constructors;
+        }} = require('./constructors.js');
 
         module.exports = walkProgram;