1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
/**
* 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 CSSProperty = require('./CSSProperty');
var ExecutionEnvironment = require('fbjs/lib/ExecutionEnvironment');
var ReactInstrumentation = require('./ReactInstrumentation');
var camelizeStyleName = require('fbjs/lib/camelizeStyleName');
var dangerousStyleValue = require('./dangerousStyleValue');
var hyphenateStyleName = require('fbjs/lib/hyphenateStyleName');
var memoizeStringOnly = require('fbjs/lib/memoizeStringOnly');
var warning = require('fbjs/lib/warning');
var processStyleName = memoizeStringOnly(function (styleName) {
return hyphenateStyleName(styleName);
});
var hasShorthandPropertyBug = false;
var styleFloatAccessor = 'cssFloat';
if (ExecutionEnvironment.canUseDOM) {
var tempStyle = document.createElement('div').style;
try {
// IE8 throws "Invalid argument." if resetting shorthand style properties.
tempStyle.font = '';
} catch (e) {
hasShorthandPropertyBug = true;
}
// IE8 only supports accessing cssFloat (standard) as styleFloat
if (document.documentElement.style.cssFloat === undefined) {
styleFloatAccessor = 'styleFloat';
}
}
if (process.env.NODE_ENV !== 'production') {
// 'msTransform' is correct, but the other prefixes should be capitalized
var badVendoredStyleNamePattern = /^(?:webkit|moz|o)[A-Z]/;
// style values shouldn't contain a semicolon
var badStyleValueWithSemicolonPattern = /;\s*$/;
var warnedStyleNames = {};
var warnedStyleValues = {};
var warnedForNaNValue = false;
var warnHyphenatedStyleName = function (name, owner) {
if (warnedStyleNames.hasOwnProperty(name) && warnedStyleNames[name]) {
return;
}
warnedStyleNames[name] = true;
process.env.NODE_ENV !== 'production' ? warning(false, 'Unsupported style property %s. Did you mean %s?%s', name, camelizeStyleName(name), checkRenderMessage(owner)) : void 0;
};
var warnBadVendoredStyleName = function (name, owner) {
if (warnedStyleNames.hasOwnProperty(name) && warnedStyleNames[name]) {
return;
}
warnedStyleNames[name] = true;
process.env.NODE_ENV !== 'production' ? warning(false, 'Unsupported vendor-prefixed style property %s. Did you mean %s?%s', name, name.charAt(0).toUpperCase() + name.slice(1), checkRenderMessage(owner)) : void 0;
};
var warnStyleValueWithSemicolon = function (name, value, owner) {
if (warnedStyleValues.hasOwnProperty(value) && warnedStyleValues[value]) {
return;
}
warnedStyleValues[value] = true;
process.env.NODE_ENV !== 'production' ? warning(false, "Style property values shouldn't contain a semicolon.%s " + 'Try "%s: %s" instead.', checkRenderMessage(owner), name, value.replace(badStyleValueWithSemicolonPattern, '')) : void 0;
};
var warnStyleValueIsNaN = function (name, value, owner) {
if (warnedForNaNValue) {
return;
}
warnedForNaNValue = true;
process.env.NODE_ENV !== 'production' ? warning(false, '`NaN` is an invalid value for the `%s` css style property.%s', name, checkRenderMessage(owner)) : void 0;
};
var checkRenderMessage = function (owner) {
if (owner) {
var name = owner.getName();
if (name) {
return ' Check the render method of `' + name + '`.';
}
}
return '';
};
/**
* @param {string} name
* @param {*} value
* @param {ReactDOMComponent} component
*/
var warnValidStyle = function (name, value, component) {
var owner;
if (component) {
owner = component._currentElement._owner;
}
if (name.indexOf('-') > -1) {
warnHyphenatedStyleName(name, owner);
} else if (badVendoredStyleNamePattern.test(name)) {
warnBadVendoredStyleName(name, owner);
} else if (badStyleValueWithSemicolonPattern.test(value)) {
warnStyleValueWithSemicolon(name, value, owner);
}
if (typeof value === 'number' && isNaN(value)) {
warnStyleValueIsNaN(name, value, owner);
}
};
}
/**
* Operations for dealing with CSS properties.
*/
var CSSPropertyOperations = {
/**
* Serializes a mapping of style properties for use as inline styles:
*
* > createMarkupForStyles({width: '200px', height: 0})
* "width:200px;height:0;"
*
* Undefined values are ignored so that declarative programming is easier.
* The result should be HTML-escaped before insertion into the DOM.
*
* @param {object} styles
* @param {ReactDOMComponent} component
* @return {?string}
*/
createMarkupForStyles: function (styles, component) {
var serialized = '';
for (var styleName in styles) {
if (!styles.hasOwnProperty(styleName)) {
continue;
}
var isCustomProperty = styleName.indexOf('--') === 0;
var styleValue = styles[styleName];
if (process.env.NODE_ENV !== 'production') {
if (!isCustomProperty) {
warnValidStyle(styleName, styleValue, component);
}
}
if (styleValue != null) {
serialized += processStyleName(styleName) + ':';
serialized += dangerousStyleValue(styleName, styleValue, component, isCustomProperty) + ';';
}
}
return serialized || null;
},
/**
* Sets the value for multiple styles on a node. If a value is specified as
* '' (empty string), the corresponding style property will be unset.
*
* @param {DOMElement} node
* @param {object} styles
* @param {ReactDOMComponent} component
*/
setValueForStyles: function (node, styles, component) {
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onHostOperation({
instanceID: component._debugID,
type: 'update styles',
payload: styles
});
}
var style = node.style;
for (var styleName in styles) {
if (!styles.hasOwnProperty(styleName)) {
continue;
}
var isCustomProperty = styleName.indexOf('--') === 0;
if (process.env.NODE_ENV !== 'production') {
if (!isCustomProperty) {
warnValidStyle(styleName, styles[styleName], component);
}
}
var styleValue = dangerousStyleValue(styleName, styles[styleName], component, isCustomProperty);
if (styleName === 'float' || styleName === 'cssFloat') {
styleName = styleFloatAccessor;
}
if (isCustomProperty) {
style.setProperty(styleName, styleValue);
} else if (styleValue) {
style[styleName] = styleValue;
} else {
var expansion = hasShorthandPropertyBug && CSSProperty.shorthandPropertyExpansions[styleName];
if (expansion) {
// Shorthand property that IE8 won't like unsetting, so unset each
// component to placate it
for (var individualStyleName in expansion) {
style[individualStyleName] = '';
}
} else {
style[styleName] = '';
}
}
}
}
};
module.exports = CSSPropertyOperations;
|
