feat(database): now nativeBinding supports addon object (#974)

* Added `webpack` support

* changed from `webpack_require` to `non_webpack_require`

* Update database.js

Added URL to webpack documentation

* feat(database): now `nativeBinding` supports addon object

* style(package): line break removed

---------

Co-authored-by: Matthew McEachen <matthew@photostructure.com>

lib/database.js

@@ -33,22 +33,45 @@ function Database(filenameGiven, options) {
 	const fileMustExist = util.getBooleanOption(options, 'fileMustExist');
 	const timeout = 'timeout' in options ? options.timeout : 5000;
 	const verbose = 'verbose' in options ? options.verbose : null;
-	const nativeBindingPath = 'nativeBinding' in options ? options.nativeBinding : null;
+	const nativeBinding = 'nativeBinding' in options ? options.nativeBinding : null;
 
 	// Validate interpreted options
 	if (readonly && anonymous && !buffer) throw new TypeError('In-memory/temporary databases cannot be readonly');
 	if (!Number.isInteger(timeout) || timeout < 0) throw new TypeError('Expected the "timeout" option to be a positive integer');
 	if (timeout > 0x7fffffff) throw new RangeError('Option "timeout" cannot be greater than 2147483647');
 	if (verbose != null && typeof verbose !== 'function') throw new TypeError('Expected the "verbose" option to be a function');
-	if (nativeBindingPath != null && typeof nativeBindingPath !== 'string') throw new TypeError('Expected the "nativeBinding" option to be a string');
+	if (nativeBinding != null && typeof nativeBinding !== 'string' && typeof nativeBinding !== 'object') throw new TypeError('Expected the "nativeBinding" option to be a string or addon object');
 
 	// Load the native addon
 	let addon;
-	if (nativeBindingPath == null) {
-		addon = DEFAULT_ADDON || (DEFAULT_ADDON = require('bindings')('better_sqlite3.node'));
-	} else {
-		addon = require(path.resolve(nativeBindingPath).replace(/(\.node)?$/, '.node'));
+	switch(true) {
+		case nativeBinding == null: {
+			addon = DEFAULT_ADDON || (DEFAULT_ADDON = require('bindings')('better_sqlite3.node'));
+			break;
+		}
+
+		case typeof nativeBinding === 'string': {
+			// If webpack is used to build the application, we must use `__non_webpack_require__`.
+			// See <https://webpack.js.org/api/module-variables/#__non_webpack_require__-webpack-specific>
+			const requireFunc =
+				typeof __non_webpack_require__ === 'function' ? __non_webpack_require__ : require;
+
+			addon = requireFunc(path.resolve(nativeBinding).replace(/(\.node)?$/, '.node'));
+			break;
+		}
+
+		case typeof nativeBinding === 'object': {
+			// If `nativeBinding` is addon object.
+			// See <https://github.com/WiseLibs/better-sqlite3/issues/972>
+			addon = nativeBinding;
+			break;
+		}
+
+		default: {
+			throw new TypeError('nativeBinding has an invalid value passed');
+		}
 	}
+
 	if (!addon.isInitialized) {
 		addon.setErrorConstructor(SqliteError);
 		addon.isInitialized = true;

package.json

@@ -57,4 +57,4 @@
     "window functions",
     "database"
   ]
-}
+}