Files
react-native-web/src/apis/StyleSheet/StyleSheetValidation.js
T
Nicolas Gallagher 4e3d8dbb02 [change] support CSS custom properties
Update 'setValueForStyles' and style validation to support defining and
using custom properties.

Fix #516
2017-07-28 15:29:07 -07:00

96 lines
3.0 KiB
JavaScript

/**
* Copyright (c) 2016-present, Nicolas Gallagher.
* Copyright (c) 2015-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.
*
* @providesModule StyleSheetValidation
* @flow
*/
import ImageStylePropTypes from '../../components/Image/ImageStylePropTypes';
import TextInputStylePropTypes from '../../components/TextInput/TextInputStylePropTypes';
import TextStylePropTypes from '../../components/Text/TextStylePropTypes';
import ViewStylePropTypes from '../../components/View/ViewStylePropTypes';
import warning from 'fbjs/lib/warning';
import { oneOf, string } from 'prop-types';
// Hardcoded because this is a legit case but we don't want to load it from
// a private API. We might likely want to unify style sheet creation with how it
// is done in the DOM so this might move into React. I know what I'm doing so
// plz don't fire me.
const ReactPropTypesSecret = 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED';
export default class StyleSheetValidation {
static validateStyleProp(prop, style, caller) {
if (process.env.NODE_ENV !== 'production') {
const isCustomProperty = prop.indexOf('--') === 0;
if (isCustomProperty) return;
if (allStylePropTypes[prop] === undefined) {
const message1 = '"' + prop + '" is not a valid style property.';
const message2 =
'\nValid style props: ' +
JSON.stringify(Object.keys(allStylePropTypes).sort(), null, ' ');
styleError(message1, style, caller, message2);
} else {
const error = allStylePropTypes[prop](
style,
prop,
caller,
'prop',
null,
ReactPropTypesSecret
);
if (error) {
styleError(error.message, style, caller);
}
}
}
}
static validateStyle(name, styles) {
if (process.env.NODE_ENV !== 'production') {
for (const prop in styles[name]) {
StyleSheetValidation.validateStyleProp(prop, styles[name], 'StyleSheet ' + name);
}
}
}
static addValidStylePropTypes(stylePropTypes) {
for (const key in stylePropTypes) {
allStylePropTypes[key] = stylePropTypes[key];
}
}
}
const styleError = function(message1, style, caller?, message2?) {
warning(
false,
message1 +
'\n' +
(caller || '<<unknown>>') +
': ' +
JSON.stringify(style, null, ' ') +
(message2 || '')
);
};
const allStylePropTypes = {};
StyleSheetValidation.addValidStylePropTypes(ImageStylePropTypes);
StyleSheetValidation.addValidStylePropTypes(TextStylePropTypes);
StyleSheetValidation.addValidStylePropTypes(TextInputStylePropTypes);
StyleSheetValidation.addValidStylePropTypes(ViewStylePropTypes);
StyleSheetValidation.addValidStylePropTypes({
appearance: string,
clear: string,
cursor: string,
float: oneOf(['left', 'none', 'right']),
font: string /* @private */,
listStyle: string,
pointerEvents: string
});