Change display-name's acceptTranspilerName to ignoreTranspilerName

This was a change that has been queued for v4. I considered changing the
default from false to true, but I think it makes more sense to invert
the option to be an ignore option.

Addresses #436

Author: lencioni

docs/rules/display-name.md

@@ -33,14 +33,16 @@ var Hello = React.createClass({
 ...
 ```
 
-### `acceptTranspilerName`
+### `ignoreTranspilerName`
 
-When `true` the rule will accept the name set by the transpiler and does not require a `displayName` property in this case.
+When `true` the rule will ignore the name set by the transpiler and require a `displayName` property in this case.
 
 The following patterns are considered okay and do not cause warnings:
 
 ```js
 var Hello = React.createClass({
+  displayName: 'Hello',
+
   render: function() {
     return <div>Hello {this.props.name}</div>;
   }
@@ -54,9 +56,34 @@ export default class Hello extends React.Component {
     return <div>Hello {this.props.name}</div>;
   }
 }
+Hello.displayName = 'Hello';
+```
+
+```js
+export default function Hello({ name }) {
+  return <div>Hello {name}</div>;
+}
+Hello.displayName = 'Hello';
 ```
 
-With the following patterns the transpiler can not assign a name for the component and therefore it will still cause warnings:
+The following patterns will cause warnings:
+
+```js
+var Hello = React.createClass({
+  render: function() {
+    return <div>Hello {this.props.name}</div>;
+  }
+});
+module.exports = Hello;
+```
+
+```js
+export default class Hello extends React.Component {
+  render() {
+    return <div>Hello {this.props.name}</div>;
+  }
+}
+```
 
 ```js
 module.exports = React.createClass({

lib/rules/display-name.js

@@ -14,7 +14,7 @@ module.exports = Components.detect(function(context, components, utils) {
 
   var sourceCode = context.getSourceCode();
   var config = context.options[0] || {};
-  var acceptTranspilerName = config.acceptTranspilerName || false;
+  var ignoreTranspilerName = config.ignoreTranspilerName || false;
 
   var MISSING_MESSAGE = 'Component definition is missing display name';
 
@@ -141,21 +141,21 @@ module.exports = Components.detect(function(context, components, utils) {
     },
 
     FunctionExpression: function(node) {
-      if (!acceptTranspilerName || !hasTranspilerName(node)) {
+      if (ignoreTranspilerName || !hasTranspilerName(node)) {
         return;
       }
       markDisplayNameAsDeclared(node);
     },
 
     FunctionDeclaration: function(node) {
-      if (!acceptTranspilerName || !hasTranspilerName(node)) {
+      if (ignoreTranspilerName || !hasTranspilerName(node)) {
         return;
       }
       markDisplayNameAsDeclared(node);
     },
 
     ArrowFunctionExpression: function(node) {
-      if (!acceptTranspilerName || !hasTranspilerName(node)) {
+      if (ignoreTranspilerName || !hasTranspilerName(node)) {
         return;
       }
       markDisplayNameAsDeclared(node);
@@ -169,14 +169,14 @@ module.exports = Components.detect(function(context, components, utils) {
     },
 
     ClassDeclaration: function(node) {
-      if (!acceptTranspilerName || !hasTranspilerName(node)) {
+      if (ignoreTranspilerName || !hasTranspilerName(node)) {
         return;
       }
       markDisplayNameAsDeclared(node);
     },
 
     ObjectExpression: function(node) {
-      if (!acceptTranspilerName || !hasTranspilerName(node)) {
+      if (ignoreTranspilerName || !hasTranspilerName(node)) {
         // Search for the displayName declaration
         node.properties.forEach(function(property) {
           if (!property.key || !isDisplayNameDeclaration(property.key)) {
@@ -205,7 +205,7 @@ module.exports = Components.detect(function(context, components, utils) {
 module.exports.schema = [{
   type: 'object',
   properties: {
-    acceptTranspilerName: {
+    ignoreTranspilerName: {
       type: 'boolean'
     }
   },