运行webpacker 3.5.5(gem和程序包)。这通常可以正常工作,但是在IE11中该应用程序已损坏,因为箭头功能似乎没有被变换。但是,检查缩小的代码后,似乎唯一未转换的箭头功能就在我的vue组件中。
我认为这是因为我的babel类属性插件没有以某种方式应用于我的Vue加载器,但是我一直无法提出解决方案。
这是我的.babelrc
{
"presets": [
[
"env",
{
"modules": false,
"targets": {
"browsers": [
"> 1%",
"IE 11"
],
"uglify": true
},
"useBuiltIns": true
}
]
],
"plugins": [
"syntax-dynamic-import",
"transform-object-rest-spread",
[
"transform-class-properties",
{
"spec": true
}
]
],
"env": {
"test": {
"presets": ["es2015"]
}
}
}
这是我的environment.js文件的全部内容,该文件修改了webpacker附带的webpack环境(vue loader位于底部)。
const { environment } = require('@rails/webpacker');
environment.loaders.append('expose', {
test: require.resolve('jquery'),
use: [{
loader: 'expose-loader',
options: 'jQuery'
}]
});
const webpack = require('webpack');
// append some global plugins
environment.plugins.append('Provide', new webpack.ProvidePlugin({
$: 'jquery',
jQuery: 'jquery',
axios: 'axios',
moment: 'moment-timezone',
_: 'lodash'
}));
// Necesary configuration for vue-loader v15
const VueLoaderPlugin = require('vue-loader/lib/plugin');
environment.plugins.append(
'VueLoaderPlugin',
new VueLoaderPlugin()
);
environment.loaders.append('vue', {
test: /\.vue$/,
loader: 'vue-loader'
});
module.exports = environment;
编辑以获取更多信息:这是我的背包中名为“摔跤”的入口点
import 'babel-polyfill';
import 'wrestling';
然后在wrestling.js中...
import './styles/wrestling'
import Rails from 'rails-ujs'
Rails.start();
import wrestlingSetup from './wrestlingSetup'
wrestlingSetup();
WrestlingSetup包含对vue文件的实际引用。我已经缩小了文件,以显示单个vue导入在文件中的外观。其余的基本上都相同。
import Vue from 'vue/dist/vue.esm'
// Redacted a bunch of imports, but they all look like this oen
import WrestlerCreate from './vue/wrestler_create.vue'
export default function() {
document.addEventListener('DOMContentLoaded', () => {
axiosSetup();
const app = new Vue({
el: '#app',
components: {
// Other vue components here that I've removed for simplicity
WrestlerCreate,
}
})
});
}
这是Vue组件的实际示例
<template>
<div role="form">
<!-- other form elements -->
</div>
</template>
<script>
export default {
name: 'wrestler-create',
props: [
],
// This does not get transformed by babel
data() {
return {
loading: false,
error: false,
errorMessage: "Error, please try again later or contact support.",
first_name: '',
last_name: '',
weight_class: '',
academic_class: ''
}
},
methods: {
// removed for simplicity
}
}
</script>
答案 0 :(得分:0)
为澄清起见:
请对数据使用function()。我发现function()给我的麻烦比箭头函数少。
export default {
data: function() {
return {
message: "Hello something!",
secondMessage: "Hello world!"
};
}
}
如果您确实希望使用箭头功能,可以编写:
export default {
data: () => {
return {
message: "Hello something!",
secondMessage: "Hello world!"
};
}
}