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Diffstat (limited to 'node_modules/react-dom/lib/ReactDOMNullInputValuePropHook.js')
-rw-r--r-- | node_modules/react-dom/lib/ReactDOMNullInputValuePropHook.js | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/node_modules/react-dom/lib/ReactDOMNullInputValuePropHook.js b/node_modules/react-dom/lib/ReactDOMNullInputValuePropHook.js new file mode 100644 index 000000000..e5c5f22e0 --- /dev/null +++ b/node_modules/react-dom/lib/ReactDOMNullInputValuePropHook.js @@ -0,0 +1,42 @@ +/** + * 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 ReactComponentTreeHook = require('react/lib/ReactComponentTreeHook'); + +var warning = require('fbjs/lib/warning'); + +var didWarnValueNull = false; + +function handleElement(debugID, element) { + if (element == null) { + return; + } + if (element.type !== 'input' && element.type !== 'textarea' && element.type !== 'select') { + return; + } + if (element.props != null && element.props.value === null && !didWarnValueNull) { + process.env.NODE_ENV !== 'production' ? warning(false, '`value` prop on `%s` should not be null. ' + 'Consider using the empty string to clear the component or `undefined` ' + 'for uncontrolled components.%s', element.type, ReactComponentTreeHook.getStackAddendumByID(debugID)) : void 0; + + didWarnValueNull = true; + } +} + +var ReactDOMNullInputValuePropHook = { + onBeforeMountComponent: function (debugID, element) { + handleElement(debugID, element); + }, + onBeforeUpdateComponent: function (debugID, element) { + handleElement(debugID, element); + } +}; + +module.exports = ReactDOMNullInputValuePropHook;
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