总的来说,我对webpack来说是个新手。真的只有几天。在很大程度上,我感觉我在设置和集成webpack到我的本地开发环境方面取得了一些相当不错的进展。在此过程中,有不少bug和命令行错误,但到目前为止,我能够解决其中的大多数问题。大声喊出Maxmillian Schwärzmuller关于Webpack的YT短篇系列,让我开始吧。
现在,我正在尝试重新利用/扩展我学到的一些概念,但是我还没有成功地让我的npm run build
(这将是生产命令)将我的CSS文件分别编译到CSS和js子文件夹(离开站点的根目录)。
我感觉我在JS和CSS特定的测试块中使用file-loader
包的尝试取得了更大的进展,但现在我想知道我是不是误解了file-loader
包的目的,或者只是没有正确地配置它。
下面是我的webpack.config.js
文件的内容:
const path = require('path');
const webpack = require('webpack');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const CleanWebpackPlugin = require('clean-webpack-plugin');
const extractPlugin = new ExtractTextPlugin({
filename: 'styles.css'
});
module.exports = {
entry: './src/js/app.js',
output: {
path: path.resolve(__dirname, 'dist'),
filename: 'app.bundle.js'
},
module: {
rules: [
{
test: /\.js$/,
use: [
{
loader: 'babel-loader',
options: {
presets: ['babel-preset-env']
}
}
// attempted to replicate the same use statement as seen below for the jpg/png test
// and only app.js (not app.bundle.js) was dropped into dist/js/
// {
// loader: 'file-loader',
// options: {
// name: '[name].[ext]',
// outputPath: 'js/',
// publicPath: 'js/'
// }
// }
]
},
{
test: /\.scss$/,
use: extractPlugin.extract({
use: ['css-loader', 'sass-loader']
})
// attempted to modify/replicate the above use statement
// use: [
// {
// loader: 'css-loader',
// loader: 'sass-loader'
// loader: 'file-loader',
// options: {
// name: '[name].[ext]',
// outputPath: 'css/',
// publicPath: 'css/'
// }
// }
// ]
},
{
test: /\.html$/,
use: [
{
loader: 'html-loader'
}
]
},
{
test: /\.(jpg|png)$/,
use: [
{
loader: 'file-loader',
options: {
name: '[name].[ext]',
outputPath: 'images/',
publicPath: 'images/'
}
}
]
},
{
test: /\.html$/,
use: [
{
loader: 'file-loader',
options: {
name: '[name].[ext]'
}
}
],
exclude: path.resolve(__dirname, 'src/index.html')
}
]
},
plugins: [
new webpack.ProvidePlugin({
$: 'jquery',
jQuery: 'jquery'
}),
extractPlugin,
new HtmlWebpackPlugin({
filename: 'index.html',
template: 'src/index.html'
}),
new CleanWebpackPlugin(['dist'])
]
};
下面是package.json
文件:
{
"name": "nodomaintoseehere.com",
"version": "1.0.0",
"description": "Site repository v1.0",
"private": true,
"main": "./src/app.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"dev": "webpack-dev-server",
"build": "webpack -p"
},
"author": "Jeremy Wilson",
"license": "ISC",
"devDependencies": {
"babel-core": "^6.26.3",
"babel-loader": "^7.1.5",
"babel-polyfill": "^6.26.0",
"babel-preset-env": "^1.7.0",
"babel-preset-es2015": "^6.24.1",
"clean-webpack-plugin": "^0.1.19",
"cross-env": "^5.2.0",
"css-loader": "^1.0.0",
"extract-text-webpack-plugin": "^3.0.2",
"file-loader": "^1.1.11",
"html-loader": "^0.5.5",
"html-webpack-plugin": "^3.2.0",
"jquery": "^3.3.1",
"node-sass": "^4.9.3",
"sass-loader": "^7.1.0",
"webpack": "^3.12.0",
"webpack-cli": "^3.1.0",
"webpack-dev-server": "^2.11.2"
},
"dependencies": {
"bootstrap": "^4.1.3",
"lodash": "^4.17.10"
}
}
最后是app.js
文件
import '../css/styles.scss';
import 'babel-polyfill';
import $ from 'jquery';
提前谢谢。
发布于 2018-08-17 08:28:48
将资产放在不同的子文件夹中不会造成任何性能上的差异,也不会造成使用上的差异,因为这些子文件夹每次都会驻留在静态服务器上,直到重新部署为止。
没有办法将js文件输出到js文件夹,因为babel加载器上没有选项,文件加载器不处理js,它们只是发出文件,在你的情况下,它将在结束时与复制的文件一起结束。文件加载器不适合处理javascript文件。
对于css,可以配置extract-text-plugin。
const path = require('path');
const webpack = require('webpack');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const CleanWebpackPlugin = require('clean-webpack-plugin');
const extractPlugin = new ExtractTextPlugin({
filename: 'css/styles.css' // <---
});
module.exports = {
entry: './src/js/app.js',
output: {
path: path.resolve(__dirname, 'dist'),
filename: 'app.bundle.js'
},
module: {
rules: [
{
test: /\.js$/,
use: [
{
loader: 'babel-loader',
options: {
presets: ['babel-preset-env']
}
}
]
},
{
test: /\.scss$/,
use: extractPlugin.extract({
use: ['css-loader', 'sass-loader']
})
},
{
test: /\.html$/,
use: [
{
loader: 'html-loader'
}
]
},
{
test: /\.(jpg|png)$/,
use: [
{
loader: 'file-loader',
options: {
name: '[name].[ext]',
outputPath: 'images/',
publicPath: 'images/'
}
}
]
},
{
test: /\.html$/,
use: [
{
loader: 'file-loader',
options: {
name: '[name].[ext]'
}
}
],
exclude: path.resolve(__dirname, 'src/index.html')
}
]
},
plugins: [
new webpack.ProvidePlugin({
$: 'jquery',
jQuery: 'jquery'
}),
extractPlugin,
new HtmlWebpackPlugin({
filename: 'index.html',
template: 'src/index.html'
}),
new CleanWebpackPlugin(['dist'])
]
};
https://stackoverflow.com/questions/51886500
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