Support for create-react-class package (#179)

* Support for create-react-class package

* Support for create-react-class package (take 2)

Author: wcjordan

src/__tests__/__snapshots__/main-test.js.snap

@@ -162,3 +162,11 @@ Object {
   },
 }
 `;
+
+exports[`main fixtures processes component "component_7.js" without errors 1`] = `
+Object {
+  "description": "The is a component to test the document generation",
+  "displayName": "Component",
+  "methods": Array [],
+}
+`;

src/__tests__/fixtures/component_7.js

@@ -0,0 +1,22 @@
+/*
+ *  Copyright (c) 2015, Facebook, Inc.
+ *  All rights reserved.
+ *
+ *  This source code is licensed under the BSD-style license found in the
+ *  LICENSE file in the root directory of this source tree. An additional grant
+ *  of patent rights can be found in the PATENTS file in the same directory.
+ *
+ */
+
+var Component, createReactClass;
+
+createReactClass = require('create-react-class');
+
+/**
+ * The is a component to test the document generation
+ */
+Component = createReactClass({
+    displayName: 'Component',
+});
+
+module.exports = Component;

src/utils/__tests__/isReactCreateClassCall-test.js

@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2015, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ */
+
+/*global jest, describe, beforeEach, it, expect*/
+
+
+jest.disableAutomock();
+
+describe('isReactCreateClassCall', () => {
+  var isReactCreateClassCall;
+  var utils;
+
+  function parse(src) {
+    var root = utils.parse(src);
+    return root.get('body', root.node.body.length - 1, 'expression');
+  }
+
+  beforeEach(() => {
+    isReactCreateClassCall = require('../isReactCreateClassCall').default;
+    utils = require('../../../tests/utils');
+  });
+
+  describe('built in React.createClass', () => {
+    it('accepts createClass called on React', () => {
+      var def = parse(`
+        var React = require("React");
+        React.createClass({
+          render() {}
+        });
+      `);
+      expect(isReactCreateClassCall(def)).toBe(true);
+    });
+
+    it('accepts createClass called on aliased React', () => {
+      var def = parse(`
+        var other = require("React");
+        other.createClass({
+          render() {}
+        });
+      `);
+      expect(isReactCreateClassCall(def)).toBe(true);
+    });
+
+    it('ignores other React calls', () => {
+      var def = parse(`
+        var React = require("React");
+        React.isValidElement({});
+      `);
+      expect(isReactCreateClassCall(def)).toBe(false);
+    });
+
+    it('ignores non React calls to createClass', () => {
+      var def = parse(`
+        var React = require("bob");
+        React.createClass({
+          render() {}
+        });
+      `);
+      expect(isReactCreateClassCall(def)).toBe(false);
+    });
+  });
+
+  describe('modular in create-react-class', () => {
+    it('accepts create-react-class', () => {
+      var def = parse(`
+        var createReactClass = require("create-react-class");
+        createReactClass({
+          render() {}
+        });
+      `);
+      expect(isReactCreateClassCall(def)).toBe(true);
+    });
+
+    it('accepts create-react-class calls on another name', () => {
+      var def = parse(`
+        var makeClass = require("create-react-class");
+        makeClass({
+          render() {}
+        });
+      `);
+      expect(isReactCreateClassCall(def)).toBe(true);
+    });
+
+    it('ignores non create-react-class calls to createReactClass', () => {
+      var def = parse(`
+        var createReactClass = require("bob");
+        createReactClass({
+          render() {}
+        });
+      `);
+      expect(isReactCreateClassCall(def)).toBe(false);
+    });
+  });
+});

src/utils/isReactCreateClassCall.js

@@ -21,7 +21,7 @@ var {types: {namedTypes: types}} = recast;
  * Returns true if the expression is a function call of the form
  * `React.createClass(...)`.
  */
-export default function isReactCreateClassCall(path: NodePath): boolean {
+function isReactCreateClassCallBuiltIn(path: NodePath): boolean {
   if (types.ExpressionStatement.check(path.node)) {
     path = path.get('expression');
   }
@@ -32,3 +32,35 @@ export default function isReactCreateClassCall(path: NodePath): boolean {
   var module = resolveToModule(path.get('callee', 'object'));
   return Boolean(module && isReactModuleName(module));
 }
+
+
+/**
+ * Returns true if the expression is a function call of the form
+ * ```
+ * import createReactClass from 'create-react-class';
+ * createReactClass(...);
+ * ```
+ */
+function isReactCreateClassCallModular(path: NodePath): boolean {
+  if (types.ExpressionStatement.check(path.node)) {
+    path = path.get('expression');
+  }
+
+  if (!match(path.node, {type: 'CallExpression'})) {
+    return false;
+  }
+  var module = resolveToModule(path);
+  return Boolean(module && module === 'create-react-class');
+}
+
+/**
+ * Returns true if the expression is a function call of the form
+ * `React.createClass(...)` or
+ * ```
+ * import createReactClass from 'create-react-class';
+ * createReactClass(...);
+ * ```
+ */
+export default function isReactCreateClassCall(path: NodePath): boolean {
+  return isReactCreateClassCallBuiltIn(path) || isReactCreateClassCallModular(path)
+}