我试图将图标添加到使用webpack创建的基于React的网站上。添加favicon完全是一场噩梦，而我尝试了许多解决方案都无济于事。向我推荐的最新解决方案称为“ favicons-webpack-plugin”，可在以下位置找到：https : //github.com/jantimon/favicons-webpack-plugin。
如果有人能告诉我我做错了什么，将非常感谢您的协助。
当我运行'npm run start'时出现以下错误
这是我的目录结构：
这是我的webpack.config.js文件：
const path = require('path');
const merge = require('webpack-merge');
const webpack = require('webpack');
const NpmInstallPlugin = require('npm-install-webpack-plugin');
const TARGET = process.env.npm_lifecycle_event;
const FaviconsWebpackPlugin = require('favicons-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const CleanPlugin = require('clean-webpack-plugin');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
var favicons = require('favicons'),
source = 'my-logo.png', // Source image(s). `string`, `buffer` or array of `{ size: filepath }`
configuration = {
appName: null, // Your application's name. `string`
appDescription: null, // Your application's description. `string`
developerName: null, // Your (or your developer's) name. `string`
developerURL: null, // Your (or your developer's) URL. `string`
background: "#fff", // Background colour for flattened icons. `string`
path: "/", // Path for overriding default icons path. `string`
url: "/", // Absolute URL for OpenGraph image. `string`
display: "standalone", // Android display: "browser" or "standalone". `string`
orientation: "portrait", // Android orientation: "portrait" or "landscape". `string`
version: "1.0", // Your application's version number. `number`
logging: false, // Print logs to console? `boolean`
online: false, // Use RealFaviconGenerator to create favicons? `boolean`
icons: {
android: true, // Create Android homescreen icon. `boolean`
appleIcon: true, // Create Apple touch icons. `boolean`
appleStartup: true, // Create Apple startup images. `boolean`
coast: true, // Create Opera Coast icon. `boolean`
favicons: true, // Create regular favicons. `boolean`
firefox: true, // Create Firefox OS icons. `boolean`
opengraph: true, // Create Facebook OpenGraph image. `boolean`
twitter: true, // Create Twitter Summary Card image. `boolean`
windows: true, // Create Windows 8 tile icons. `boolean`
yandex: true // Create Yandex browser icon. `boolean`
}
},
callback = function (error, response) {
if (error) {
console.log(error.status); // HTTP error code (e.g. `200`) or `null`
console.log(error.name); // Error name e.g. "API Error"
console.log(error.message); // Error description e.g. "An unknown error has occurred"
}
console.log(response.images); // Array of { name: string, contents: <buffer> }
console.log(response.files); // Array of { name: string, contents: <string> }
console.log(response.html); // Array of strings (html elements)
};
favicons(source, configuration, callback);
const pkg = require('./package.json');
const PATHS = {
app: path.join(__dirname, 'app'),
build: path.join(__dirname, 'build')
};
process.env.BABEL_ENV = TARGET;
const common = {
entry: {
app: PATHS.app
},
// Add resolve.extensions
// '' is needed to allow imports without an extension
// note the .'s before the extension as it will fail to load without them
resolve: {
extensions: ['', '.js', '.jsx', '.json']
},
output: {
path: PATHS.build,
filename: 'bundle.js'
},
module: {
loaders: [
{
// Test expects a RegExp! Notethe slashes!
test: /\.css$/,
loaders: ['style', 'css'],
//Include accepts either a path or an array of paths
include: PATHS.app
},
//set up JSX. This accepts js too thanks to RegExp
{
test: /\.(js|jsx)$/,
//enable caching for improved performance during development
//It uses default OS directory by default. If you need something more custom,
//pass a path to it. ie: babel?cacheDirectory=<path>
loaders: [
'babel?cacheDirectory,presets[]=es2015'
],
//parse only app files Without this it will go thru the entire project.
//beside being slow this will likely result in an error
include: PATHS.app
}
]
}
};
// Default configuration. We will return this if
// Webpack is called outside of npm.
if(TARGET === 'start' || !TARGET){
module.exports = merge(common, {
devtool: 'eval-source-map',
devServer: {
contentBase: PATHS.build,
//enable history API fallback so HTML5 HISTORY API based
// routing works. This is a good default that will come in handy in more
// complicated setups.
historyApiFallback: true,
hot: true,
inline: true,
progress: true,
//display only errors to reduce output amount
stats: 'errors only',
//Parse host and port from env so this is easy to customize
host: process.env.HOST,
port: process.env.PORT
},
plugins: [
new webpack.HotModuleReplacementPlugin(),
new NpmInstallPlugin({
save: true //--save
}),
new FaviconsWebpackPlugin('my-logo.png')
]
});
}
if(TARGET === 'build' || TARGET === 'stats') {
module.exports = merge(common, {
entry: {
vendor: Object.keys(pkg.dependencies).filter(function(v) {
return v !== 'alt-utils';
}),
style: PATHS.style
},
output: {
path: PATHS.build,
// Output using entry name
filename: '[name].[chunkhash].js',
chunkFilename: '[chunkhash].js'
},
module: {
loaders: [
// Extract CSS during build
{
test: /\.css$/,
loader: ExtractTextPlugin.extract('style', 'css'),
include: PATHS.app
}
]
},
plugins: [
// Output extracted CSS to a file
new ExtractTextPlugin('[name].[chunkhash].css'),
// Extract vendor and manifest files
new webpack.optimize.CommonsChunkPlugin({
names: ['vendor', 'manifest']
}),
// Setting DefinePlugin affects React library size!
new webpack.DefinePlugin({
'process.env.NODE_ENV': '"production"'
}),
new webpack.optimize.UglifyJsPlugin({
compress: {
warnings: false
}
})
]
});
}
这是我的server.js文件：
/* Global Requires */
const express = require('express');
const logger = require('morgan');
const bodyParser = require('body-parser');
const path = require('path');
const app = express();
const ReactDOM = require('react-dom')
var favicon = require('serve-favicon');
if(process.env.NODE_ENV === 'development') {
console.log('in development.');
require('dotenv').config();
} else {
console.log('in production.');
}
/* App Config */
app.use(bodyParser.urlencoded({ extended: false }));
app.use(bodyParser.json());
app.use(express.static(path.join(__dirname, 'build')));
app.use(favicon(__dirname + '/public/favicon.ico'));
app.use(logger('dev'));
/* Server Initialization */
app.get('/', (req, res) => res.sendFile('index.html'));
var port = process.env.PORT || 3000;
app.listen(port, () => console.log(`Server initialized on // ${new Date()}`));