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Diffstat (limited to 'node_modules/react-dom/lib/ReactDOMInvalidARIAHook.js')
-rw-r--r-- | node_modules/react-dom/lib/ReactDOMInvalidARIAHook.js | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/node_modules/react-dom/lib/ReactDOMInvalidARIAHook.js b/node_modules/react-dom/lib/ReactDOMInvalidARIAHook.js new file mode 100644 index 000000000..aa8ba75d2 --- /dev/null +++ b/node_modules/react-dom/lib/ReactDOMInvalidARIAHook.js @@ -0,0 +1,92 @@ +/** + * Copyright 2013-present, 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. + * + */ + +'use strict'; + +var DOMProperty = require('./DOMProperty'); +var ReactComponentTreeHook = require('react/lib/ReactComponentTreeHook'); + +var warning = require('fbjs/lib/warning'); + +var warnedProperties = {}; +var rARIA = new RegExp('^(aria)-[' + DOMProperty.ATTRIBUTE_NAME_CHAR + ']*$'); + +function validateProperty(tagName, name, debugID) { + if (warnedProperties.hasOwnProperty(name) && warnedProperties[name]) { + return true; + } + + if (rARIA.test(name)) { + var lowerCasedName = name.toLowerCase(); + var standardName = DOMProperty.getPossibleStandardName.hasOwnProperty(lowerCasedName) ? DOMProperty.getPossibleStandardName[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) { + process.env.NODE_ENV !== 'production' ? warning(false, 'Unknown ARIA attribute %s. Did you mean %s?%s', name, standardName, ReactComponentTreeHook.getStackAddendumByID(debugID)) : void 0; + warnedProperties[name] = true; + return true; + } + } + + return true; +} + +function warnInvalidARIAProps(debugID, element) { + var invalidProps = []; + + for (var key in element.props) { + var isValid = validateProperty(element.type, key, debugID); + if (!isValid) { + invalidProps.push(key); + } + } + + var unknownPropString = invalidProps.map(function (prop) { + return '`' + prop + '`'; + }).join(', '); + + if (invalidProps.length === 1) { + process.env.NODE_ENV !== 'production' ? warning(false, 'Invalid aria prop %s on <%s> tag. ' + 'For details, see https://fb.me/invalid-aria-prop%s', unknownPropString, element.type, ReactComponentTreeHook.getStackAddendumByID(debugID)) : void 0; + } else if (invalidProps.length > 1) { + process.env.NODE_ENV !== 'production' ? warning(false, 'Invalid aria props %s on <%s> tag. ' + 'For details, see https://fb.me/invalid-aria-prop%s', unknownPropString, element.type, ReactComponentTreeHook.getStackAddendumByID(debugID)) : void 0; + } +} + +function handleElement(debugID, element) { + if (element == null || typeof element.type !== 'string') { + return; + } + if (element.type.indexOf('-') >= 0 || element.props.is) { + return; + } + + warnInvalidARIAProps(debugID, element); +} + +var ReactDOMInvalidARIAHook = { + onBeforeMountComponent: function (debugID, element) { + if (process.env.NODE_ENV !== 'production') { + handleElement(debugID, element); + } + }, + onBeforeUpdateComponent: function (debugID, element) { + if (process.env.NODE_ENV !== 'production') { + handleElement(debugID, element); + } + } +}; + +module.exports = ReactDOMInvalidARIAHook;
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