Allow wildcards for matching except names

Author: earthslasthope

__specs__/index.spec.js

@@ -42,8 +42,45 @@ describe('Should create a correct regular expression for excluding node_modules'
 	});
 });
 
+describe('Should be able to convert wildcards in parameters to matching pattern in the regular expression', () => {
+	/**
+	 * @type {TestCase[]}
+	 */
+	const testCases = [
+		{
+			description: 'Wildcard occurs in the only argument',
+			params: ['react-*'],
+			expected: X
+				? /node_modules\\(?!(react\-(?:.*))\\)/i
+				: /node_modules\/(?!(react\-(?:.*))\/)/i
+		},
+		{
+			description: 'Wildcard occurs in the second argument out of three',
+			params: ['abc', 'mno*', 'xvz'],
+			expected: X
+				? /node_modules\\(?!(abc|mno(?:.*)|xvz)\\)/i
+				: /node_modules\/(?!(abc|mno(?:.*)|xvz)\/)/i
+		},
+		{
+			description: 'Wildcard used for scoped packages',
+			params: ['@awesomecorp/*'],
+			expected: X
+				? /node_modules\\(?!(@awesomecorp\\(?:.*))\\)/i
+				: /node_modules\/(?!(@awesomecorp\/(?:.*))\/)/i
+		}
+	];
+
+	testCases.forEach(function ({ params, expected, description }, i) {
+		test(`Test case #${i + 1}: ${description}`, function () {
+			const result = babelLoaderExcludeNodeModulesExcept(params);
+			expect(result).toEqual(expected);
+		});
+	});
+});
+
 /**
  * @typedef {Object} TestCase
  * @property {string[]} params
  * @property {RegExp} expected
+ * @property {string} [description]
  */

index.js

@@ -23,7 +23,29 @@ function babelLoaderExcludeNodeModulesExcept(exceptionList) {
 		});
 
 		const alternationGroup =
-			'(' + normalizedExceptionList.map(escapeStringRegexp).join('|') + ')';
+			'(' +
+			normalizedExceptionList
+				.map((item) => {
+					// Breaking down string by wildcards. For every
+					// occurrance between wildcards build the portion
+					// with escapeStringRegexp.
+					// For the wildcards, replace them by a non-capturing
+					// group matching everything.
+					const match = item.match(/([^*]*)/g);
+					return match
+						.map((m, i) => {
+							if (m.length > 0) {
+								return escapeStringRegexp(m);
+							} else if (i !== match.length - 1 && m.length === 0) {
+								return '(?:.*)';
+							} else {
+								return '';
+							}
+						})
+						.join('');
+				})
+				.join('|') +
+			')';
 
 		// If the exception list includes e.g. "react", we don't want to
 		// accidentally make an exception for "react-dom", so make sure to