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| import config from 'core/config'
|
| import {
| warn,
| isObject,
| toObject,
| isReservedAttribute,
| camelize,
| hyphenate,
| isArray
| } from 'core/util/index'
| import type { VNodeData } from 'types/vnode'
|
| /**
| * Runtime helper for merging v-bind="object" into a VNode's data.
| */
| export function bindObjectProps(
| data: any,
| tag: string,
| value: any,
| asProp: boolean,
| isSync?: boolean
| ): VNodeData {
| if (value) {
| if (!isObject(value)) {
| __DEV__ &&
| warn('v-bind without argument expects an Object or Array value', this)
| } else {
| if (isArray(value)) {
| value = toObject(value)
| }
| let hash
| for (const key in value) {
| if (key === 'class' || key === 'style' || isReservedAttribute(key)) {
| hash = data
| } else {
| const type = data.attrs && data.attrs.type
| hash =
| asProp || config.mustUseProp(tag, type, key)
| ? data.domProps || (data.domProps = {})
| : data.attrs || (data.attrs = {})
| }
| const camelizedKey = camelize(key)
| const hyphenatedKey = hyphenate(key)
| if (!(camelizedKey in hash) && !(hyphenatedKey in hash)) {
| hash[key] = value[key]
|
| if (isSync) {
| const on = data.on || (data.on = {})
| on[`update:${key}`] = function ($event) {
| value[key] = $event
| }
| }
| }
| }
| }
| }
| return data
| }
|
|
