32 lines
952 B
TypeScript
32 lines
952 B
TypeScript
export function patchDOMProp(
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el: any,
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key: string,
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value: any,
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// the following args are passed only due to potential innerHTML/textContent
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// overriding existing VNodes, in which case the old tree must be properly
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// unmounted.
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prevChildren: any,
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parentComponent: any,
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parentSuspense: any,
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unmountChildren: any
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) {
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if ((key === 'innerHTML' || key === 'textContent') && prevChildren != null) {
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unmountChildren(prevChildren, parentComponent, parentSuspense)
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el[key] = value == null ? '' : value
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return
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}
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if (key === 'value' && el.tagName !== 'PROGRESS') {
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// store value as _value as well since
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// non-string values will be stringified.
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el._value = value
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el.value = value == null ? '' : value
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return
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}
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if (value === '' && typeof el[key] === 'boolean') {
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// e.g. <select multiple> compiles to { multiple: '' }
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el[key] = true
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} else {
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el[key] = value == null ? '' : value
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}
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}
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