gogocode-plugin-vue/src/listeners-removed.js

module.exports = function (ast, api) {
    // 迁移指南: https://v3.cn.vuejs.org/guide/migration/listeners-removed.html

    const $ = api.gogocode
    if(ast.find('<template></template>').length < 1){
        return ast
    }

    ast.find('<template></template>')
        .find('<$_$>').each((node) => {
            let attrList = Array.isArray(node.attr('content.attributes')) ? node.attr('content.attributes') : []
            attrList.forEach((attr, index) => {
                if (attr.value && attr.key && attr.value.content.indexOf('$listeners') > -1 && attr.key.content == 'v-on') {
                    if (!attrList.some(attr => { return attr.key && attr.key.content == 'v-bind' })) {
                        attr.key.content = 'v-bind'
                        attr.value.content = attr.value.content.replace('$listeners', '$attrs')
                    }
                    else {
                        const astCont = $(attr.value.content).replace('...$listeners', '').replace('$listeners', '').generate()
                        if (!astCont) {
                            attrList.splice(index, 1);
                        }
                        else {
                            attr.value.content = astCont
                        }
                    }
                }
            })
        })
    return ast
}