static properties

lib/ast.js

@@ -473,7 +473,10 @@ var AST_Arrow = DEFNODE("Arrow", null, {
     $documentation: "An ES6 Arrow function ((a) => b)"
 }, AST_Lambda);
 
-var AST_ConciseMethod = DEFNODE("ConciseMethod", null, {
+var AST_ConciseMethod = DEFNODE("ConciseMethod", "static", {
+    $propdoc: {
+        static: "[boolean] whether this method is static (classes only)",
+    },
     $documentation: "An ES6 concise method inside an object or class"
 }, AST_Lambda);
 
@@ -947,11 +950,17 @@ var AST_ObjectSymbol = DEFNODE("ObjectSymbol", "symbol", {
     }
 }, AST_ObjectProperty);
 
-var AST_ObjectSetter = DEFNODE("ObjectSetter", null, {
+var AST_ObjectSetter = DEFNODE("ObjectSetter", "static", {
+    $propdoc: {
+        static: "[boolean] whether this is a static setter (classes only)"
+    },
     $documentation: "An object setter property",
 }, AST_ObjectProperty);
 
-var AST_ObjectGetter = DEFNODE("ObjectGetter", null, {
+var AST_ObjectGetter = DEFNODE("ObjectGetter", "static", {
+    $propdoc: {
+        static: "[boolean] whether this is a static getter (classes only)"
+    },
     $documentation: "An object getter property",
 }, AST_ObjectProperty);
 

lib/output.js

@@ -775,9 +775,11 @@ function OutputStream(options) {
         var self = this;
         if (!nokeyword) {
             output.print("function");
+            if (self.name) {
+                output.space();
+            }
         }
         if (self.name) {
-            output.space();
             self.name.print(output);
         }
         output.with_parens(function(){
@@ -839,6 +841,10 @@ function OutputStream(options) {
         if (needs_parens) { output.print(")") }
     });
     DEFPRINT(AST_ConciseMethod, function(self, output){
+        if (self.static) {
+            output.print("static");
+            output.space();
+        }
         self._do_print(output, true /* do not print "function" */);
     });
 
@@ -1238,12 +1244,20 @@ function OutputStream(options) {
         self.value.print(output);
     });
     DEFPRINT(AST_ObjectSetter, function(self, output){
+        if (self.static) {
+            output.print("static");
+            output.space();
+        }
         output.print("set");
         output.space();
         self.key.print(output);
         self.value._do_print(output, true);
     });
     DEFPRINT(AST_ObjectGetter, function(self, output){
+        if (self.static) {
+            output.print("static");
+            output.space();
+        }
         output.print("get");
         output.space();
         self.key.print(output);

lib/parse.js

@@ -1533,9 +1533,16 @@ function parse($TEXT, options) {
     }
 
     function concise_method_or_getset(name, start) {
+        var is_static = false;
+        if (name === "static" && !is("punc", "(")) {
+            is_static = true;
+            name = S.token.value;
+            next();
+        }
         if (is("punc", "(")) {
             return new AST_ConciseMethod({
                 start    : start,
+                static   : is_static,
                 name     : new AST_SymbolMethod({ name: name }),
                 argnames : params_or_seq_().as_params(croak),
                 body     : _function_body(true),
@@ -1545,6 +1552,7 @@ function parse($TEXT, options) {
         if (name == "get") {
             return new AST_ObjectGetter({
                 start : start,
+                static: is_static,
                 key   : as_atom_node(),
                 value : function_(AST_Accessor),
                 end   : prev()
@@ -1553,6 +1561,7 @@ function parse($TEXT, options) {
         if (name == "set") {
             return new AST_ObjectSetter({
                 start : start,
+                static: is_static,
                 key   : as_atom_node(),
                 value : function_(AST_Accessor),
                 end   : prev()

test/compress/harmony.js

@@ -200,6 +200,20 @@ classes: {
     expect_exact: "class SomeClass{constructor(){}foo(){}}class NoSemi{constructor(...args){}foo(){}}class ChildClass extends SomeClass{}var asExpression=class AsExpression{};var nameless=class{};"
 }
 
+class_statics: {
+    input: {
+        x = class {
+            static staticMethod() {}
+            static get foo() {}
+            static set bar() {}
+            static() { /* "static" can be a method name! */ }
+            get() { /* "get" can be a method name! */ }
+            set() { /* "set" can be a method name! */ }
+        }
+    }
+    expect_exact: "x=class{static staticMethod(){}static get foo(){}static set bar(){}static(){}get(){}set(){}};"
+}
+
 number_literals: {
     input: {
         0b1001;