Function validateProperty

lib/assets/react-source/development/react.js:9038–9086

(tagName, name)

	var hasOwnProperty$1 = Object.prototype.hasOwnProperty;

	function validateProperty(tagName, name) {
	  {
	    if (hasOwnProperty$1.call(warnedProperties, name) && warnedProperties[name]) {
	      return true;
	    }

	    if (rARIACamel.test(name)) {
	      var ariaName = 'aria-' + name.slice(4).toLowerCase();
	      var correctName = ariaProperties.hasOwnProperty(ariaName) ? ariaName : null; // If this is an aria-* attribute, but is not listed in the known DOM
	      // DOM properties, then it is an invalid aria-* attribute.

	      if (correctName == null) {
	        error('Invalid ARIA attribute `%s`. ARIA attributes follow the pattern aria-* and must be lowercase.', name);

	        warnedProperties[name] = true;
	        return true;
	      } // aria-* attributes should be lowercase; suggest the lowercase version.


	      if (name !== correctName) {
	        error('Invalid ARIA attribute `%s`. Did you mean `%s`?', name, correctName);

	        warnedProperties[name] = true;
	        return true;
	      }
	    }

	    if (rARIA.test(name)) {
	      var lowerCasedName = name.toLowerCase();
	      var standardName = ariaProperties.hasOwnProperty(lowerCasedName) ? lowerCasedName : null; // If this is an aria-* attribute, but is not listed in the known DOM
	      // DOM properties, then it is an invalid aria-* attribute.

	      if (standardName == null) {
	        warnedProperties[name] = true;
	        return false;
	      } // aria-* attributes should be lowercase; suggest the lowercase version.


	      if (name !== standardName) {
	        error('Unknown ARIA attribute `%s`. Did you mean `%s`?', name, standardName);

	        warnedProperties[name] = true;
	        return true;
	      }
	    }
	  }

	  return true;
	}

	function warnInvalidARIAProps(type, props) {
	  {