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https://github.com/facebook/react.git
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91 lines
2.3 KiB
JavaScript
91 lines
2.3 KiB
JavaScript
/**
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* Copyright 2013 Facebook, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* @providesModule CSSProperty
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*/
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"use strict";
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/**
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* CSS properties which accept numbers but are not in units of "px".
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*/
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var isUnitlessNumber = {
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fillOpacity: true,
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fontWeight: true,
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lineHeight: true,
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opacity: true,
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orphans: true,
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zIndex: true,
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zoom: true
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};
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/**
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* Most style properties can be unset by doing .style[prop] = '' but IE8
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* doesn't like doing that with shorthand properties so for the properties that
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* IE8 breaks on, which are listed here, we instead unset each of the
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* individual properties. See http://bugs.jquery.com/ticket/12385.
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* The 4-value 'clock' properties like margin, padding, border-width seem to
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* behave without any problems. Curiously, list-style works too without any
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* special prodding.
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*/
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var shorthandPropertyExpansions = {
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background: {
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backgroundImage: true,
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backgroundPosition: true,
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backgroundRepeat: true,
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backgroundColor: true
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},
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border: {
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borderWidth: true,
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borderStyle: true,
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borderColor: true
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},
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borderBottom: {
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borderBottomWidth: true,
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borderBottomStyle: true,
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borderBottomColor: true
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},
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borderLeft: {
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borderLeftWidth: true,
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borderLeftStyle: true,
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borderLeftColor: true
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},
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borderRight: {
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borderRightWidth: true,
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borderRightStyle: true,
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borderRightColor: true
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},
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borderTop: {
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borderTopWidth: true,
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borderTopStyle: true,
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borderTopColor: true
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},
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font: {
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fontStyle: true,
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fontVariant: true,
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fontWeight: true,
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fontSize: true,
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lineHeight: true,
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fontFamily: true
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}
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};
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var CSSProperty = {
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isUnitlessNumber: isUnitlessNumber,
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shorthandPropertyExpansions: shorthandPropertyExpansions
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};
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module.exports = CSSProperty;
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