Updating NPM dependencies

node_modules/escodegen/escodegen.js

@@ -95,14 +95,15 @@
         BitwiseSHIFT: 10,
         Additive: 11,
         Multiplicative: 12,
-        Await: 13,
-        Unary: 13,
-        Postfix: 14,
-        Call: 15,
-        New: 16,
-        TaggedTemplate: 17,
-        Member: 18,
-        Primary: 19
+        Exponentiation: 13,
+        Await: 14,
+        Unary: 14,
+        Postfix: 15,
+        Call: 16,
+        New: 17,
+        TaggedTemplate: 18,
+        Member: 19,
+        Primary: 20
     };
 
     BinaryPrecedence = {
@@ -130,7 +131,8 @@
         '-': Precedence.Additive,
         '*': Precedence.Multiplicative,
         '%': Precedence.Multiplicative,
-        '/': Precedence.Multiplicative
+        '/': Precedence.Multiplicative,
+        '**': Precedence.Exponentiation
     };
 
     //Flags
@@ -981,7 +983,7 @@
             result.push('[');
         }
 
-        result.push(this.generateExpression(expr, Precedence.Sequence, E_TTT));
+        result.push(this.generateExpression(expr, Precedence.Assignment, E_TTT));
 
         if (computed) {
             result.push(']');
@@ -1831,14 +1833,16 @@
         },
 
         BinaryExpression: function (expr, precedence, flags) {
-            var result, currentPrecedence, fragment, leftSource;
+            var result, leftPrecedence, rightPrecedence, currentPrecedence, fragment, leftSource;
             currentPrecedence = BinaryPrecedence[expr.operator];
+            leftPrecedence = expr.operator === '**' ? Precedence.Postfix : currentPrecedence;
+            rightPrecedence = expr.operator === '**' ? currentPrecedence : currentPrecedence + 1;
 
             if (currentPrecedence < precedence) {
                 flags |= F_ALLOW_IN;
             }
 
-            fragment = this.generateExpression(expr.left, currentPrecedence, flags);
+            fragment = this.generateExpression(expr.left, leftPrecedence, flags);
 
             leftSource = fragment.toString();
 
@@ -1848,7 +1852,7 @@
                 result = join(fragment, expr.operator);
             }
 
-            fragment = this.generateExpression(expr.right, currentPrecedence + 1, flags);
+            fragment = this.generateExpression(expr.right, rightPrecedence, flags);
 
             if (expr.operator === '/' && fragment.toString().charAt(0) === '/' ||
             expr.operator.slice(-1) === '<' && fragment.toString().slice(0, 3) === '!--') {
@@ -2219,13 +2223,19 @@
             multiline = false;
             if (expr.properties.length === 1) {
                 property = expr.properties[0];
-                if (property.value.type !== Syntax.Identifier) {
+                if (
+                    property.type === Syntax.Property
+                    && property.value.type !== Syntax.Identifier
+                ) {
                     multiline = true;
                 }
             } else {
                 for (i = 0, iz = expr.properties.length; i < iz; ++i) {
                     property = expr.properties[i];
-                    if (!property.shorthand) {
+                    if (
+                        property.type === Syntax.Property
+                        && !property.shorthand
+                    ) {
                         multiline = true;
                         break;
                     }