make rules optional

tests/cases/fourslash/formattingOptionsChangeJsx.ts

@@ -0,0 +1,32 @@
+///<reference path="fourslash.ts"/>
+
+//@Filename: file.tsx
+/////*InsertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces*/<Madoka homu={                true    } saya={   (true)  } />;
+
+runTest("InsertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces", "<Madoka homu={ true } saya={ (true) } />;", "<Madoka homu={true} saya={(true)} />;");
+
+
+function runTest(propertyName: string, expectedStringWhenTrue: string, expectedStringWhenFalse: string) {
+    // Go to the correct file
+    goTo.marker(propertyName);
+
+    // Set the option to false first
+    format.setOption(propertyName, false);
+
+    // Format
+    format.document();
+
+    // Verify
+    goTo.marker(propertyName);
+    verify.currentLineContentIs(expectedStringWhenFalse);
+
+    // Set the option to true
+    format.setOption(propertyName, true);
+
+    // Format
+    format.document();
+
+    // Verify
+    goTo.marker(propertyName);
+    verify.currentLineContentIs(expectedStringWhenTrue);
+}