我有一个使用webpacker gem的Rails 5.1应用程序。我的package.json文件如下:
{
"dependencies": {
"@rails/webpacker": "^3.0.1",
"handlebars": "^4.0.10",
"handlebars-loader": "^1.6.0",
"jquery": "^3.2.1"
},
"devDependencies": {
"webpack-dev-server": "^2.7.1",
"webpack-merge": "^4.1.0"
}
}
我的webpack/environment.js文件如下:
const { environment } = require('@rails/webpacker');
const webpack = require('webpack');
environment.plugins.set(
'Provide',
new webpack.ProvidePlugin({
$: 'jquery',
jQuery: 'jquery'
})
);
environment.loaders.set('Handlebars', {
test: /\.hbs$/,
use: 'handlebars-loader'
});
module.exports = environment;
如果我在app/javascript/templates中创建一个foo.hbs文件,那么我可以使用以下代码成功编译该模板:
const template = require("templates/foo.hbs");
const context = {name: "Fred", age: 5};
const html = template(context);
但我遇到困难的部分是如何添加handlebars helpers。 我想在文件夹app/javascript/handlebars-helpers中放置助手函数,但我不确定如何配置。 handlebars-loader有文档建议您如何指定helpers目录:https://github.com/pcardune/handlebars-loader/blob/master/examples/helperDirs/webpack.config.js,但我不清楚如何将其添加到Webpacker环境.js中。