Unify buffer module

lib/vendor/buffer/buffer.js

@@ -1,57 +1,10 @@
-function SpecificBuffer (_Buffer) {
-    const Buffer = function () {
-        if (typeof arguments[0] === 'number') {
-            return _Buffer.alloc(...arguments);
-        }
-
-        return _Buffer.from(...arguments);
-    }
-
-    Buffer.poolSize = _Buffer.poolSize;
-
-    Object.defineProperty(Buffer, Symbol.hasInstance, {
-        value: function (instance) {
-            return instance instanceof _Buffer;
-        }
-    });
-
-    Buffer.isBuffer = function () {
-        return _Buffer.isBuffer(...arguments);
-    }
-
-    Buffer.alloc = function () {
-        return _Buffer.alloc(...arguments);
-    }
-
-    Buffer.allocUnsafe = function () {
-        return _Buffer.allocUnsafe(...arguments);
-    }
-
-    Buffer.allocUnsafeSlow = function () {
-        return _Buffer.allocUnsafeSlow(...arguments);
+function getBufferModule (buffer) {
+    return  {
+        Buffer: buffer.Buffer,
+        SlowBuffer: buffer.SlowBuffer,
+        INSPECT_MAX_BYTES: buffer.INSPECT_MAX_BYTES,
+        kMaxLength: buffer.kMaxLength
     }
-
-    Buffer.from = function () {
-        return _Buffer.from(...arguments);
-    }
-
-    Buffer.compare = function () {
-        return _Buffer.compare(...arguments);
-    }
-
-    Buffer.isEncoding = function () {
-        return _Buffer.isEncoding(...arguments);
-    }
-
-    Buffer.concat = function () {
-        return _Buffer.concat(...arguments);
-    }
-
-    Buffer.byteLength = function () {
-        return _Buffer.byteLength(...arguments);
-    }
-
-    return Buffer;
 }
 
-module.exports = SpecificBuffer;
+module.exports = getBufferModule;

lib/vendor/buffer/index.browser.js

@@ -1,9 +1,8 @@
-const SpecificBuffer = require('./buffer');
+const getBufferModule = require('./buffer');
+const SpecificBuffer = require('./specific-buffer');
 const buffer = require('buffer/');
 
-module.exports = {
-    Buffer: SpecificBuffer(buffer.Buffer),
-    SlowBuffer: buffer.SlowBuffer,
-    INSPECT_MAX_BYTES: buffer.INSPECT_MAX_BYTES,
-    kMaxLength: buffer.kMaxLength
-}
+module.exports = getBufferModule({
+    ...buffer,
+    Buffer: SpecificBuffer(buffer.Buffer)
+})

lib/vendor/buffer/index.js

@@ -1,9 +1,8 @@
-const SpecificBuffer = require('./buffer');
+const getBufferModule = require('./buffer');
+const SpecificBuffer = require('./specific-buffer');
 const buffer = globalThis._nodeRequires.buffer;
 
-module.exports = {
+module.exports = getBufferModule({
+    ...buffer,
     Buffer: SpecificBuffer(globalThis.Buffer),
-    SlowBuffer: buffer.SlowBuffer,
-    INSPECT_MAX_BYTES: buffer.INSPECT_MAX_BYTES,
-    kMaxLength: buffer.kMaxLength
-}
+});

lib/vendor/buffer/specific-buffer.js

@@ -0,0 +1,57 @@
+function SpecificBuffer (_Buffer) {
+    const Buffer = function () {
+        if (typeof arguments[0] === 'number') {
+            return _Buffer.alloc(...arguments);
+        }
+
+        return _Buffer.from(...arguments);
+    }
+
+    Buffer.poolSize = _Buffer.poolSize;
+
+    Object.defineProperty(Buffer, Symbol.hasInstance, {
+        value: function (instance) {
+            return instance instanceof _Buffer;
+        }
+    });
+
+    Buffer.isBuffer = function () {
+        return _Buffer.isBuffer(...arguments);
+    };
+
+    Buffer.alloc = function () {
+        return _Buffer.alloc(...arguments);
+    };
+
+    Buffer.allocUnsafe = function () {
+        return _Buffer.allocUnsafe(...arguments);
+    };
+
+    Buffer.allocUnsafeSlow = function () {
+        return _Buffer.allocUnsafeSlow(...arguments);
+    };
+
+    Buffer.from = function () {
+        return _Buffer.from(...arguments);
+    };
+
+    Buffer.compare = function () {
+        return _Buffer.compare(...arguments);
+    };
+
+    Buffer.isEncoding = function () {
+        return _Buffer.isEncoding(...arguments);
+    };
+
+    Buffer.concat = function () {
+        return _Buffer.concat(...arguments);
+    };
+
+    Buffer.byteLength = function () {
+        return _Buffer.byteLength(...arguments);
+    };
+
+    return Buffer;
+}
+
+module.exports = SpecificBuffer;