inlined most the assertions

lib/assertions.js

@@ -11,63 +11,11 @@ var hasAlt = (props) => {
   return typeof props.alt === 'string';
 };
 
-var altIsRedundant = (alt) => {
-  return alt.match('image');
-};
-
 var isInteractive = (tagName, props) => {
   var tag = INTERACTIVE[tagName];
   return (typeof tagName === 'function') ? tag(props) : tag;
 };
 
-var hasClick = (props) => {
-  return typeof props.onClick === 'function';
-};
-
-var hasRole = (props) => {
-  return typeof props.role === 'string';
-};
-
-var hasTabIndex = (props) => {
-  return typeof props.tabIndex === 'string';
-};
-
-var needsAriaRole = (tagName, props) => {
-  return (
-    !isInteractive(tagName, props) &&
-    hasClick(props) &&
-    !hasRole(props)
-  );
-};
-
-var needsTabIndex = (tagName, props) => {
-  return (
-    !isInteractive(tagName, props) &&
-    hasClick(props) &&
-    !hasTabIndex(props)
-  );
-};
-
-var hrefIsHash = (props) => {
-  return props.href === '#';
-};
-
-var needsButtonRole = (props) => {
-  return (
-    hasClick(props) &&
-    hrefIsHash(props)
-  );
-};
-
-
-var hasLabel = (props) => {
-  return typeof props['aria-label'] === 'string';
-};
-
-var hasLabelledBy = (props) => {
-  return typeof props['aria-labelled-by'] === 'string';
-};
-
 var hasChildTextNode = (props, children) => {
   var hasText = false;
   React.Children.forEach(children, (child) => {
@@ -81,37 +29,33 @@ var hasChildTextNode = (props, children) => {
   return hasText;
 };
 
-var needsLabel = (props, children) => {
-  return (
-    hasClick(props) &&
-    !(
-      hasLabel(props) ||
-      hasLabelledBy(props) ||
-      hasChildTextNode(props, children)
-    )
-  );
-};
-
 exports.props = {
   onClick: {
     NO_ROLE: {
       msg: 'You have a click handler on a non-interactive element but no `role` DOM property. It will be unclear what this element is supposed to do to a screen-reader user. http://www.w3.org/TR/wai-aria/roles#role_definitions',
       test (tagName, props, children) {
-        return !needsAriaRole(tagName, props);
+        return !(!isInteractive(tagName, props) && !props.role);
       }
     },
 
     NO_TABINDEX: {
       msg: 'You have a click handler on a non-interactive element but no `tabIndex` DOM property. The element will not be navigable or interactive by keyboard users. http://www.w3.org/TR/wai-aria-practices/#focus_tabindex',
       test (tagName, props, children) {
-        return !needsTabIndex(tagName, props);
+        return !(
+          !isInteractive(tagName, props) &&
+          !props.tabIndex
+        );
       }
     },
 
     NO_LABEL: {
       msg: 'You have a click handler on an element with no screen-readable text. Add `aria-label` or `aria-labelled-by` attribute, or put some text in the element.',
       test (tagName, props, children) {
-        return !needsLabel(props, children);
+        return (
+          props['aria-label'] ||
+          props['aria-labelled-by'] ||
+          hasChildTextNode(props, children)
+        );
       }
     },
 
@@ -135,9 +79,9 @@ exports.props = {
 exports.tags = {
   a: {
     HASH_HREF_NEEDS_BUTTON: {
-      msg: 'You have a click handler on an anchor with an `href` DOM property and no `role` DOM property. Add `role="button"` to your markup, or you should probably just use a `<button/>`.',
+      msg: 'You have an anchor with `href="#"` and no `role` DOM property. Add `role="button"` or better yet, use a `<button/>`.',
       test (tagName, props, children) {
-        return !needsButtonRole(props);
+        return !(!props.role && props.href === '#');
       }
     }
   },
@@ -154,7 +98,7 @@ exports.tags = {
       // TODO: have some way to set localization strings to match against
       msg: 'Screen-readers already announce `img` tags as an image, you don\'t need to use the word "image" in the description',
       test (tagName, props, children) {
-        return !(hasAlt(props) && altIsRedundant(props.alt));
+        return !(hasAlt(props) && props.alt.match('image'));
       }
     }
   }