react-native/Libraries/StyleSheet/StyleSheetValidation.js

73 lines
2.0 KiB
JavaScript

/**
* Copyright 2004-present Facebook. All Rights Reserved.
*
* @providesModule StyleSheetValidation
*/
'use strict';
var ImageStylePropTypes = require('ImageStylePropTypes');
var ReactPropTypeLocations = require('ReactPropTypeLocations');
var TextStylePropTypes = require('TextStylePropTypes');
var ViewStylePropTypes = require('ViewStylePropTypes');
var invariant = require('invariant');
class StyleSheetValidation {
static validateStyleProp(prop, style, caller) {
if (!__DEV__) {
return;
}
if (allStylePropTypes[prop] === undefined) {
var message1 = '"' + prop + '" is not a valid style property.';
var message2 = '\nValid style props: ' +
JSON.stringify(Object.keys(allStylePropTypes), null, ' ');
styleError(message1, style, caller, message2);
}
var error = allStylePropTypes[prop](
style,
prop,
caller,
ReactPropTypeLocations.prop
);
if (error) {
styleError(error.message, style, caller);
}
}
static validateStyle(name, styles) {
if (!__DEV__) {
return;
}
for (var prop in styles[name]) {
StyleSheetValidation.validateStyleProp(prop, styles[name], 'StyleSheet ' + name);
}
}
static addValidStylePropTypes(stylePropTypes) {
for (var key in stylePropTypes) {
invariant(
allStylePropTypes[key] === undefined ||
allStylePropTypes[key] === stylePropTypes[key],
'Attemped to redefine existing style prop type "' + key + '".'
);
allStylePropTypes[key] = stylePropTypes[key];
}
}
}
var styleError = function(message1, style, caller, message2) {
invariant(
false,
message1 + '\n' + (caller || '<<unknown>>') + ': ' +
JSON.stringify(style, null, ' ') + (message2 || '')
);
};
var allStylePropTypes = {};
StyleSheetValidation.addValidStylePropTypes(ImageStylePropTypes);
StyleSheetValidation.addValidStylePropTypes(TextStylePropTypes);
StyleSheetValidation.addValidStylePropTypes(ViewStylePropTypes);
module.exports = StyleSheetValidation;