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fix(ssr): textarea keeps undefined/null values #11121

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Merged
merged 2 commits into from
Sep 21, 2020
Merged

fix(ssr): textarea keeps undefined/null values #11121

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613e845
fix(ssr): textarea keeps undefined/null values
danielsuguimoto Feb 18, 2020
ec79238
refactor(ssr): Code review changes for null values in textareas
danielsuguimoto Feb 19, 2020
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4 changes: 2 additions & 2 deletions src/platforms/web/server/modules/dom-props.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@

import VNode from 'core/vdom/vnode'
import { renderAttr } from './attrs'
import { isDef, isUndef, extend } from 'shared/util'
import { isDef, isUndef, extend, toString } from 'shared/util'
import { propsToAttrMap, isRenderableAttr } from '../util'

export default function renderDOMProps (node: VNodeWithData): string {
Expand All @@ -28,7 +28,7 @@ export default function renderDOMProps (node: VNodeWithData): string {
} else if (key === 'textContent') {
setText(node, props[key], false)
} else if (key === 'value' && node.tag === 'textarea') {
setText(node, props[key], false)
setText(node, toString(props[key]), false)
} else {
// $flow-disable-line (WTF?)
const attr = propsToAttrMap[key] || key.toLowerCase()
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19 changes: 19 additions & 0 deletions test/ssr/ssr-string.spec.js
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Expand Up @@ -1594,6 +1594,25 @@ describe('SSR: renderToString', () => {

renderToString(vueInstance, err => done(err))
})

it('undefined v-model with textarea', done => {
renderVmWithOptions({
render (h) {
return h('div', [
h('textarea', {
domProps: {
value: null
}
})
])
}
}, result => {
expect(result).toContain(
'<div data-server-rendered="true"><textarea></textarea></div>'
)
done()
})
})
})

function renderVmWithOptions (options, cb) {
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