add JSX support (#1001)

lib/jsdoc/src/astbuilder.js

@@ -86,7 +86,7 @@ var parserOptions = exports.parserOptions = {
         forOf: true,
         generators: true,
         globalReturn: true,
-        jsx: false,
+        jsx: true,
         modules: true,
         newTarget: true,
         objectLiteralComputedProperties: true,

lib/jsdoc/src/syntax.js

@@ -40,6 +40,17 @@ exports.Syntax = {
     ImportDefaultSpecifier: 'ImportDefaultSpecifier',
     ImportNamespaceSpecifier: 'ImportNamespaceSpecifier',
     ImportSpecifier: 'ImportSpecifier',
+    JSXAttribute: 'JSXAttribute',
+    JSXClosingElement: 'JSXClosingElement',
+    JSXElement: 'JSXElement',
+    JSXEmptyExpression: 'JSXEmptyExpression',
+    JSXExpressionContainer: 'JSXExpressionContainer',
+    JSXIdentifier: 'JSXIdentifier',
+    JSXMemberExpression: 'JSXMemberExpression',
+    JSXNamespacedName: 'JSXNamespacedName',
+    JSXOpeningElement: 'JSXOpeningElement',
+    JSXSpreadAttribute: 'JSXSpreadAttribute',
+    JSXText: 'JSXText',
     LabeledStatement: 'LabeledStatement',
     LetStatement: 'LetStatement', // TODO: update Rhino to use VariableDeclaration
     Literal: 'Literal',

lib/jsdoc/src/walker.js

@@ -251,11 +251,8 @@ walkers[Syntax.IfStatement] = function(node, parent, state, cb) {
 };
 
 walkers[Syntax.ImportDeclaration] = function(node, parent, state, cb) {
-    var i;
-    var l;
-
     if (node.specifiers) {
-        for (i = 0, l = node.specifiers.length; i < l; i++) {
+        for (var i = 0, l = node.specifiers.length; i < l; i++) {
             cb(node.specifiers[i], node, state);
         }
     }
@@ -275,6 +272,62 @@ walkers[Syntax.ImportNamespaceSpecifier] = walkers[Syntax.ImportDefaultSpecifier
 
 walkers[Syntax.ImportSpecifier] = walkers[Syntax.ExportSpecifier];
 
+walkers[Syntax.JSXAttribute] = function(node, parent, state, cb) {
+    cb(node.name, node, state);
+
+    cb(node.value, node, state);
+};
+
+walkers[Syntax.JSXClosingElement] = function(node, parent, state, cb) {
+    cb(node.name, node, state);
+};
+
+walkers[Syntax.JSXElement] = function(node, parent, state, cb) {
+    cb(node.openingElement, node, state);
+
+    if (node.closingElement) {
+        cb(node.closingElement, node, state);
+    }
+
+    for (var i = 0, l = node.children.length; i < l; i++) {
+        cb(node.children[i], node, state);
+    }
+};
+
+walkers[Syntax.JSXEmptyExpression] = leafNode;
+
+walkers[Syntax.JSXExpressionContainer] = function(node, parent, state, cb) {
+    cb(node.expression, node, state);
+};
+
+walkers[Syntax.JSXIdentifier] = leafNode;
+
+walkers[Syntax.JSXMemberExpression] = function(node, parent, state, cb) {
+    cb(node.object, node, state);
+
+    cb(node.property. node, state);
+};
+
+walkers[Syntax.JSXNamespacedName] = function(node, parent, state, cb) {
+    cb(node.namespace, node, state);
+
+    cb(node.name, node, state);
+};
+
+walkers[Syntax.JSXOpeningElement] = function(node, parent, state, cb) {
+    cb(node.name, node, state);
+
+    for (var i = 0, l = node.attributes.length; i < l; i++) {
+        cb(node.attributes[i], node, state);
+    }
+};
+
+walkers[Syntax.JSXSpreadAttribute] = function(node, parent, state, cb) {
+    cb(node.argument, node, state);
+};
+
+walkers[Syntax.JSXText] = leafNode;
+
 walkers[Syntax.LabeledStatement] = function(node, parent, state, cb) {
     cb(node.body, node, state);
 };

test/fixtures/jsx.js

@@ -0,0 +1,2 @@
+var myDivElement = <div className="foo" />;
+React.render(myDivElement, document.getElementById('example'));

test/specs/documentation/jsx.js

@@ -0,0 +1,17 @@
+'use strict';
+
+if (jasmine.jsParser !== 'rhino') {
+    describe('JSX support', function() {
+        it('should parse JSX files without errors', function() {
+            var logger = require('jsdoc/util/logger');
+
+            function parseJsx() {
+                return jasmine.getDocSetFromFile('test/fixtures/jsx.js');
+            }
+
+            spyOn(logger, 'error');
+            expect(parseJsx).not.toThrow();
+            expect(logger.error).not.toHaveBeenCalled();
+        });
+    });
+}

test/specs/jsdoc/src/syntax.js

@@ -8,14 +8,12 @@ describe('jsdoc/src/syntax', function() {
         expect(typeof Syntax).toBe('object');
     });
 
-    it('should define all of the non-JSX node types that are defined by Espree', function() {
+    it('should define all of the node types that are defined by Espree', function() {
         var espreeSyntax = require('espree').Syntax;
 
         Object.keys(espreeSyntax).forEach(function(nodeType) {
-            if (nodeType.indexOf('JSX') !== 0) {
             expect(Syntax[nodeType]).toBeDefined();
             expect(Syntax[nodeType]).toBe(espreeSyntax[nodeType]);
-            }
         });
     });