Format all dart: library files

sdk/lib/_internal/js_runtime/lib/js_string.dart

Index: sdk/lib/_internal/js_runtime/lib/js_string.dart
diff --git a/sdk/lib/_internal/js_runtime/lib/js_string.dart b/sdk/lib/_internal/js_runtime/lib/js_string.dart
index 86e2937dc0b4041c7930c1586bbfcc64bdf51299..b149c2328af7f306f56a7c66ac56c0c12274dcd6 100644
--- a/sdk/lib/_internal/js_runtime/lib/js_string.dart
+++ b/sdk/lib/_internal/js_runtime/lib/js_string.dart
@@ -15,7 +15,7 @@ class JSString extends Interceptor implements String, JSIndexable {
 
   @NoInline()
   int codeUnitAt(int index) {
-    if (index is !int) throw diagnoseIndexError(this, index);
+    if (index is! int) throw diagnoseIndexError(this, index);
     if (index < 0) throw diagnoseIndexError(this, index);
     return _codeUnitAt(index);
   }
@@ -49,7 +49,7 @@ class JSString extends Interceptor implements String, JSIndexable {
   }
 
   String operator +(String other) {
-    if (other is !String) throw new ArgumentError.value(other);
+    if (other is! String) throw new ArgumentError.value(other);
     return JS('String', r'# + #', this, other);
   }
 
@@ -70,8 +70,7 @@ class JSString extends Interceptor implements String, JSIndexable {
   }
 
   String splitMapJoin(Pattern from,
-                      {String onMatch(Match match),
-                       String onNonMatch(String nonMatch)}) {
+      {String onMatch(Match match), String onNonMatch(String nonMatch)}) {
     return stringReplaceAllFuncUnchecked(this, from, onMatch, onNonMatch);
   }
 
@@ -83,7 +82,7 @@ class JSString extends Interceptor implements String, JSIndexable {
   }
 
   String replaceFirstMapped(Pattern from, String replace(Match match),
-                            [int startIndex = 0]) {
+      [int startIndex = 0]) {
     checkNull(replace);
     checkInt(startIndex);
     RangeError.checkValueInInterval(startIndex, 0, this.length, "startIndex");
@@ -157,21 +156,19 @@ class JSString extends Interceptor implements String, JSIndexable {
     checkInt(startIndex);
     if (endIndex == null) endIndex = length;
     checkInt(endIndex);
-    if (startIndex < 0 ) throw new RangeError.value(startIndex);
+    if (startIndex < 0) throw new RangeError.value(startIndex);
     if (startIndex > endIndex) throw new RangeError.value(startIndex);
     if (endIndex > length) throw new RangeError.value(endIndex);
     return JS('String', r'#.substring(#, #)', this, startIndex, endIndex);
   }
 
   String toLowerCase() {
-    return JS(
-        'returns:String;effects:none;depends:none;throws:null(1)',
+    return JS('returns:String;effects:none;depends:none;throws:null(1)',
         r'#.toLowerCase()', this);
   }
 
   String toUpperCase() {
-    return JS(
-        'returns:String;effects:none;depends:none;throws:null(1)',
+    return JS('returns:String;effects:none;depends:none;throws:null(1)',
         r'#.toUpperCase()', this);
   }
 
@@ -350,8 +347,8 @@ class JSString extends Interceptor implements String, JSIndexable {
     return JS('String', r'#.substring(#, #)', result, 0, endIndex);
   }
 
-  String operator*(int times) {
-    if (0 >= times) return '';  // Unnecessary but hoists argument type check.
+  String operator *(int times) {
+    if (0 >= times) return ''; // Unnecessary but hoists argument type check.
     if (times == 1 || this.length == 0) return this;
     if (times != JS('JSUInt32', '# >>> 0', times)) {
       // times >= 2^32. We can't create a string that big.
@@ -439,9 +436,8 @@ class JSString extends Interceptor implements String, JSIndexable {
   bool get isNotEmpty => !isEmpty;
 
   int compareTo(String other) {
-    if (other is !String) throw argumentErrorValue(other);
-    return this == other ? 0
-        : JS('bool', r'# < #', this, other) ? -1 : 1;
+    if (other is! String) throw argumentErrorValue(other);
+    return this == other ? 0 : JS('bool', r'# < #', this, other) ? -1 : 1;
   }
 
   // Note: if you change this, also change the function [S].
@@ -462,7 +458,7 @@ class JSString extends Interceptor implements String, JSIndexable {
       hash = 0x1fffffff & (hash + ((0x0007ffff & hash) << 10));
       hash = JS('int', '# ^ (# >> 6)', hash, hash);
     }
-    hash = 0x1fffffff & (hash + ((0x03ffffff & hash) <<  3));
+    hash = 0x1fffffff & (hash + ((0x03ffffff & hash) << 3));
     hash = JS('int', '# ^ (# >> 11)', hash, hash);
     return 0x1fffffff & (hash + ((0x00003fff & hash) << 15));
   }
@@ -472,7 +468,7 @@ class JSString extends Interceptor implements String, JSIndexable {
   int get length => JS('int', r'#.length', this);
 
   String operator [](int index) {
-    if (index is !int) throw diagnoseIndexError(this, index);
+    if (index is! int) throw diagnoseIndexError(this, index);
     if (index >= length || index < 0) throw diagnoseIndexError(this, index);
     return JS('String', '#[#]', this, index);
   }