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23 lines
794 B
23 lines
794 B
2 years ago
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/**
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* Get the declared text direction for an element.
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*
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* @param {Node} element
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* @returns {string|undefined}
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*/
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function getTextDirection (element) {
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// There is another way to determine text direction using getComputedStyle(), as done here:
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// https://github.com/pencil-js/text-direction/blob/2a235ce95089b3185acec3b51313cbba921b3811/text-direction.js
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//
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// We do not use that approach because we are interested specifically in the _declared_ text direction.
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// If no text direction is declared, we have to provide our own explicit text direction so our
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// bidirectional CSS style sheets work.
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while (element && !element.dir) {
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// eslint-disable-next-line no-param-reassign
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element = element.parentNode
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}
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return element?.dir
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}
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export default getTextDirection
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