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57 lines
1.2 KiB
57 lines
1.2 KiB
3 years ago
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const {
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ID,
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SET_DATA,
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GET_CHANGE_DATA
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} = require('../util')
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function isWxsChangeProp (attr) {
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return attr.name.indexOf('change:') === 0
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}
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function createSetDataGenVar (id) {
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return function genVar (name, value) {
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return `${SET_DATA}(${id},'${name}',${value})`
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}
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}
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function createGetChangeDataGenVar (id) {
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return function genVar (name) {
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return `${GET_CHANGE_DATA}(${id},'${name}')`
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}
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}
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module.exports = function parseWxsProps (el, {
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isAppService,
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isAppView
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}) {
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if (!el.attrs) {
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return
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}
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const wxsChangeProps = []
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el.attrs = el.attrs.filter(attr => {
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if (isWxsChangeProp(attr)) {
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wxsChangeProps.push(attr.name.replace('change:', ''))
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if (isAppService) { // service 层移除 change:prop
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return false
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}
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}
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return true
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})
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if (!wxsChangeProps.length) {
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return
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}
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const genSetVar = createSetDataGenVar(el.attrsMap[ID])
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const genGetVar = createGetChangeDataGenVar(el.attrsMap[ID])
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el.attrs.forEach(attr => {
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if (wxsChangeProps.includes(attr.name)) {
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if (isAppService) {
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attr.value = genSetVar('change:' + attr.value, attr.value)
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} else if (isAppView) {
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attr.value = genGetVar('change:' + attr.value)
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}
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}
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})
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}
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