28 lines
740 B
TypeScript
28 lines
740 B
TypeScript
import { isSpecialBooleanAttr } from '@vue/shared'
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export const xlinkNS = 'http://www.w3.org/1999/xlink'
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export function patchAttr(
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el: Element,
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key: string,
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value: any,
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isSVG: boolean
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) {
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if (isSVG && key.startsWith('xlink:')) {
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if (value == null) {
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el.removeAttributeNS(xlinkNS, key.slice(6, key.length))
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} else {
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el.setAttributeNS(xlinkNS, key, value)
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}
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} else {
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// note we are only checking boolean attributes that don't have a
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// corresponding dom prop of the same name here.
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const isBoolean = isSpecialBooleanAttr(key)
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if (value == null || (isBoolean && value === false)) {
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el.removeAttribute(key)
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} else {
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el.setAttribute(key, isBoolean ? '' : value)
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}
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}
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}
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