Refined the 'isQuoted' method

Author: wessberg

src/string-util/string-util.ts

@@ -115,7 +115,8 @@ export class StringUtil implements IStringUtil {
 	 * @returns {boolean}
 	 */
 	public isQuoted (str: string): boolean {
-		return this.startsWithQuote(str) && this.endsWithQuote(str);
+		const trimmed = this.removeWhitespace(str, true);
+		return this.startsWithQuote(trimmed) && this.endsWithQuote(trimmed);
 	}
 
 	/**

test/string-util/string-util.test.ts

@@ -70,4 +70,16 @@ test("StringUtil () => Correctly determines if a string contains whitespace #6",
 
 test("StringUtil () => Correctly determines if a string contains whitespace #7", t => {
 	t.false(stringUtil.containsWhitespace("foo"));
+});
+
+test("StringUtil () => Correctly determines if a string is quoted #1", t => {
+	t.true(stringUtil.isQuoted(`"foo"`));
+});
+
+test("StringUtil () => Correctly determines if a string is quoted #2", t => {
+	t.true(stringUtil.isQuoted(`"      foo     "`));
+});
+
+test("StringUtil () => Correctly determines if a string is quoted #3", t => {
+	t.false(stringUtil.isQuoted(`foo`));
 });