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23 lines
597 B
23 lines
597 B
3 years ago
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/* @flow */
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import { warn, extend, isPlainObject } from 'core/util/index'
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export function bindObjectListeners (data: any, value: any): VNodeData {
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if (value) {
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if (!isPlainObject(value)) {
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process.env.NODE_ENV !== 'production' && warn(
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'v-on without argument expects an Object value',
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this
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)
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} else {
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const on = data.on = data.on ? extend({}, data.on) : {}
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for (const key in value) {
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const existing = on[key]
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const ours = value[key]
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on[key] = existing ? [].concat(existing, ours) : ours
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}
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}
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}
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return data
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}
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