fix(runtime-dom/style): fix patchStyle on falsy next value (#1504)
fix #1506
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@ -62,6 +62,12 @@ describe(`runtime-dom: style patching`, () => {
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expect(el.style.getPropertyValue('margin-right')).toBe('10px')
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})
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it('patch with falsy style value', () => {
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const el = document.createElement('div')
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patchProp(el as any, 'style', { width: '100px' }, { width: 0 })
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expect(el.style.width).toBe('0px')
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})
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// JSDOM doesn't support custom properties on style object so we have to
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// mock it here.
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function mockElementWithStyle() {
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@ -17,7 +17,7 @@ export function patchStyle(el: Element, prev: Style, next: Style) {
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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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if (next[key] == null) {
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setStyle(style, key, '')
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}
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}
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