chore: write a rollup plugin to make the future of javascript possible

Author: nbbeeken

.mocharc.json

@@ -12,5 +12,8 @@
   "timeout": 10000,
   "failZero": true,
   "sort": true,
-  "color": true
+  "color": true,
+  "node-option": [
+    "experimental-vm-modules"
+  ]
 }

etc/rollup/rollup-plugin-require-rewriter/require_rewriter.mjs

@@ -0,0 +1,38 @@
+import MagicString from 'magic-string';
+
+const CRYPTO_IMPORT_ESM_SRC = `const nodejsRandomBytes = await (async () => {
+    try {
+        return (await import('node:crypto')).randomBytes;`;
+
+class RequireRewriter {
+  transform(code, id) {
+    if (!id.includes('node_byte_utils')) {
+      return;
+    }
+    if (!code.includes('const nodejsRandomBytes')) {
+      throw new Error(`Unexpected! 'const nodejsRandomBytes' is missing from ${id}`);
+    }
+
+    const start = code.indexOf('const nodejsRandomBytes');
+    const endString = `return require('crypto').randomBytes;`
+    const end = code.indexOf(endString) + endString.length;
+
+    if (start < 0 || end < 0) {
+      throw new Error(
+        `Unexpected! 'const nodejsRandomBytes' or 'return require('crypto').randomBytes;' not found`
+      );
+    }
+
+    const magicString = new MagicString(code);
+    magicString.overwrite(start, end, CRYPTO_IMPORT_ESM_SRC);
+
+    return {
+      code: magicString.toString(),
+      map: magicString.generateMap({ hires: true })
+    };
+  }
+}
+
+export default function rewriteRequire() {
+  return new RequireRewriter();
+}

lib/bson.bundle.js

@@ -3963,6 +3963,7 @@ var bson = /*#__PURE__*/Object.freeze({
     deserialize: deserialize,
     calculateObjectSize: calculateObjectSize,
     deserializeStream: deserializeStream,
+    LongWithoutOverridesClass: LongWithoutOverridesClass,
     BSONError: BSONError,
     BSONTypeError: BSONTypeError,
     BSONType: BSONType,
@@ -3983,6 +3984,7 @@ exports.Double = Double;
 exports.EJSON = EJSON;
 exports.Int32 = Int32;
 exports.Long = Long;
+exports.LongWithoutOverridesClass = LongWithoutOverridesClass;
 exports.MaxKey = MaxKey;
 exports.MinKey = MinKey;
 exports.ObjectId = ObjectId;

lib/bson.bundle.js.map

@@ -18,9 +18,9 @@ class BSONTypeError extends TypeError {
 function nodejsMathRandomBytes(byteLength) {
     return nodeJsByteUtils.fromNumberArray(Array.from({ length: byteLength }, () => Math.floor(Math.random() * 256)));
 }
-const nodejsRandomBytes = (() => {
+const nodejsRandomBytes = await (async () => {
     try {
-        return require('crypto').randomBytes;
+        return (await import('node:crypto')).randomBytes;
     }
     catch {
         return nodejsMathRandomBytes;
@@ -3961,11 +3961,12 @@ var bson = /*#__PURE__*/Object.freeze({
     deserialize: deserialize,
     calculateObjectSize: calculateObjectSize,
     deserializeStream: deserializeStream,
+    LongWithoutOverridesClass: LongWithoutOverridesClass,
     BSONError: BSONError,
     BSONTypeError: BSONTypeError,
     BSONType: BSONType,
     EJSON: EJSON
 });
 
-export { bson as BSON, BSONError, BSONRegExp, BSONSymbol, BSONType, BSONTypeError, Binary, Code, DBRef, Decimal128, Double, EJSON, Int32, Long, MaxKey, MinKey, ObjectId, Timestamp, UUID, calculateObjectSize, deserialize, deserializeStream, serialize, serializeWithBufferAndIndex, setInternalBufferSize };
+export { bson as BSON, BSONError, BSONRegExp, BSONSymbol, BSONType, BSONTypeError, Binary, Code, DBRef, Decimal128, Double, EJSON, Int32, Long, LongWithoutOverridesClass, MaxKey, MinKey, ObjectId, Timestamp, UUID, calculateObjectSize, deserialize, deserializeStream, serialize, serializeWithBufferAndIndex, setInternalBufferSize };
 //# sourceMappingURL=bson.mjs.map

lib/bson.cjs

@@ -30,7 +30,7 @@
     "@istanbuljs/nyc-config-typescript": "^1.0.2",
     "@microsoft/api-extractor": "^7.33.6",
     "@rollup/plugin-babel": "^6.0.2",
-    "@rollup/plugin-commonjs": "^23.0.2",
+    "@rollup/plugin-commonjs": "^23.0.4",
     "@rollup/plugin-json": "^5.0.1",
     "@rollup/plugin-node-resolve": "^15.0.1",
     "@rollup/plugin-replace": "^5.0.1",
@@ -49,6 +49,7 @@
     "eslint-config-prettier": "^8.5.0",
     "eslint-plugin-prettier": "^4.2.1",
     "eslint-plugin-tsdoc": "^0.2.17",
+    "magic-string": "^0.27.0",
     "mocha": "10.1.0",
     "node-fetch": "^3.2.10",
     "nyc": "^15.1.0",