29 lines
733 B
TypeScript
29 lines
733 B
TypeScript
import { isString } from '@vue/shared'
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// style properties that should NOT have "px" added when numeric
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const nonNumericRE = /acit|ex(?:s|g|n|p|$)|rph|ows|mnc|ntw|ine[ch]|zoo|^ord/i
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export function patchStyle(el: any, prev: any, next: any, data: any) {
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const { style } = el
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if (!next) {
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el.removeAttribute('style')
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} else if (isString(next)) {
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style.cssText = next
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} else {
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for (const key in next) {
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let value = next[key]
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if (typeof value === 'number' && !nonNumericRE.test(key)) {
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value = value + 'px'
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}
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style[key] = value
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}
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if (prev && !isString(prev)) {
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for (const key in prev) {
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if (!next[key]) {
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style[key] = ''
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}
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}
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}
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}
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}
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