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authorruki <waruqi@gmail.com>2018-11-08 00:38:48 +0800
committerruki <waruqi@gmail.com>2018-11-07 21:53:09 +0800
commit26105034da4fcce7ac883c899d781f016559310d (patch)
treec459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/vue/src/platforms/web/server/directives/model.js
parent2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff)
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diff --git a/node_modules/vue/src/platforms/web/server/directives/model.js b/node_modules/vue/src/platforms/web/server/directives/model.js
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+/* @flow */
+
+import { looseEqual, looseIndexOf } from 'shared/util'
+
+// this is only applied for <select v-model> because it is the only edge case
+// that must be done at runtime instead of compile time.
+export default function model (node: VNodeWithData, dir: VNodeDirective) {
+ if (!node.children) return
+ const value = dir.value
+ const isMultiple = node.data.attrs && node.data.attrs.multiple
+ for (let i = 0, l = node.children.length; i < l; i++) {
+ const option = node.children[i]
+ if (option.tag === 'option') {
+ if (isMultiple) {
+ const selected =
+ Array.isArray(value) &&
+ (looseIndexOf(value, getValue(option)) > -1)
+ if (selected) {
+ setSelected(option)
+ }
+ } else {
+ if (looseEqual(value, getValue(option))) {
+ setSelected(option)
+ return
+ }
+ }
+ }
+ }
+}
+
+function getValue (option) {
+ const data = option.data || {}
+ return (
+ (data.attrs && data.attrs.value) ||
+ (data.domProps && data.domProps.value) ||
+ (option.children && option.children[0] && option.children[0].text)
+ )
+}
+
+function setSelected (option) {
+ const data = option.data || (option.data = {})
+ const attrs = data.attrs || (data.attrs = {})
+ attrs.selected = ''
+}