58 lines
1.4 KiB
JavaScript
58 lines
1.4 KiB
JavaScript
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/**
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* Copyright (c) Nicolas Gallagher.
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*
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*/
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import ExecutionEnvironment from 'fbjs/lib/ExecutionEnvironment';
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var doLeftAndRightSwapInRTL = true;
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var isPreferredLanguageRTL = false;
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var isRTLAllowed = true;
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var isRTLForced = false;
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var isRTL = function isRTL() {
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if (isRTLForced) {
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return true;
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}
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return isRTLAllowed && isPreferredLanguageRTL;
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};
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var onDirectionChange = function onDirectionChange() {
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if (ExecutionEnvironment.canUseDOM) {
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if (document.documentElement && document.documentElement.setAttribute) {
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document.documentElement.setAttribute('dir', isRTL() ? 'rtl' : 'ltr');
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}
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}
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};
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var I18nManager = {
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allowRTL: function allowRTL(bool) {
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isRTLAllowed = bool;
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onDirectionChange();
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},
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forceRTL: function forceRTL(bool) {
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isRTLForced = bool;
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onDirectionChange();
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},
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setPreferredLanguageRTL: function setPreferredLanguageRTL(bool) {
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isPreferredLanguageRTL = bool;
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onDirectionChange();
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},
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swapLeftAndRightInRTL: function swapLeftAndRightInRTL(bool) {
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doLeftAndRightSwapInRTL = bool;
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},
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get doLeftAndRightSwapInRTL() {
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return doLeftAndRightSwapInRTL;
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},
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get isRTL() {
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return isRTL();
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}
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};
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export default I18nManager;
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