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Fix rn ref 在 wx:for 场景取值问题 #1889

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Fix rn ref 在 wx:for 场景取值问题 #1889

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064f15b
[fix]rn-ref-wx:for
CommanderXL Mar 7, 2025
6efeb34
[lint]
CommanderXL Mar 7, 2025
bc9e8f5
[chore]comment
CommanderXL Mar 7, 2025
a7c2f0b
lint
CommanderXL Mar 7, 2025
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49 changes: 29 additions & 20 deletions packages/core/src/platform/builtInMixins/refsMixin.ios.js
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Original file line number Diff line number Diff line change
Expand Up @@ -28,29 +28,38 @@ export default function getRefsMixin () {
})
},
__getRefVal (type, selectorsConf, refFnId) {
if (!this.__refCache[refFnId]) {
this.__refCache[refFnId] = (instance) => {
selectorsConf.forEach((item = []) => {
const [prefix, selectors = ''] = item
if (selectors) {
selectors.trim().split(/\s+/).forEach(selector => {
const refKey = prefix + selector
const refVal = { type, instance, refFnId }
this.__refs[refKey] = this.__refs[refKey] || []
if (instance) { // mount
this.__refs[refKey].push(refVal)
} else { // unmount
const index = this.__refs[refKey].findIndex(item => item.refFnId === refFnId)
if (index > -1) {
this.__refs[refKey].splice(index, 1)
}
const refFn = (instance) => {
selectorsConf.forEach((item = []) => {
const [prefix, selectors = ''] = item
if (selectors) {
selectors.trim().split(/\s+/).forEach(selector => {
const refKey = prefix + selector
const refVal = {
type,
instance,
uid: refFnId || refFn
}
this.__refs[refKey] = this.__refs[refKey] || []
if (instance) { // mount
this.__refs[refKey].push(refVal)
} else { // unmount
const index = this.__refs[refKey].findIndex(item => item.uid === refFnId || item.uid === refFn)
if (index > -1) {
this.__refs[refKey].splice(index, 1)
}
})
}
})
}
})
}
})
}
if (refFnId) {
if (!this.__refCache[refFnId]) {
this.__refCache[refFnId] = refFn
}
return this.__refCache[refFnId]
} else {
return refFn
}
return this.__refCache[refFnId]
},
__selectRef (selector, refType, all = false) {
const splitedSelector = selector.match(/(#|\.)?[^.#]+/g) || []
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5 changes: 3 additions & 2 deletions packages/webpack-plugin/lib/template-compiler/compiler.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1811,7 +1811,8 @@ function processRefReact (el, meta) {
const selectors = []

/**
* selectorsConf: [type, [[prefix, selector], [prefix, selector]]]
* refFnId 在 for 循环当中为空，避免 refFn 在运行时被不同 ref 缓存共用，其他场景有唯一值，用作缓存 key
* selectorsConf: [type, [[prefix, selector], [prefix, selector]], refFnId?]
*/
if (!val) {
const rawId = el.attrsMap.id
Expand All @@ -1834,7 +1835,7 @@ function processRefReact (el, meta) {
const selectorsConf = selectors.map(item => `["${item.prefix}", ${item.selector}]`)
addAttrs(el, [{
name: 'ref',
value: `{{ this.__getRefVal('${type}', [${selectorsConf}], 'ref_fn_${++refId}') }}`
value: `{{ this.__getRefVal('${type}', [${selectorsConf}], ${all ? '' : `ref_fn_${++refId}`}) }}`
}])
}

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