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Convert external stylesheet to embedded stylesheet, aka document stylesheet.
<link rel="stylesheet" /> => <style>...<style/>
Require mini-css-extract-plugin and html-webpack-plugin
npm i html-inline-css-webpack-plugin -Dyarn add html-inline-css-webpack-plugin -Dconst MiniCssExtractPlugin = require("mini-css-extract-plugin");
const HtmlWebpackPlugin = require('html-webpack-plugin');
const HTMLInlineCSSWebpackPlugin = require("html-inline-css-webpack-plugin").default;
module.exports = {
plugins: [
new MiniCssExtractPlugin({
filename: "[name].css",
chunkFilename: "[id].css"
}),
new HtmlWebpackPlugin(),
new HTMLInlineCSSWebpackPlugin(),
],
module: {
rules: [
{
test: /\.css$/,
use: [
MiniCssExtractPlugin.loader,
"css-loader"
]
}
]
}
}interface Config {
filter?: (fileName: string) => boolean
styleTagFactory?: (params: { style: string }) => string
leaveCSSFile?: boolean
replace?: {
target: string
position?: 'before' | 'after'
removeTarget?: boolean
}
}filter?: (fileName: string) => booleanReturn true to make current file internal, otherwise ignore current file. Include both css file and html file name.
...
new HTMLInlineCSSWebpackPlugin({
filter(fileName) {
return fileName.includes('main');
},
}),
...styleTagFactory?: (params: { style: string }) => stringUsed to customize the style tag.
...
new HTMLInlineCSSWebpackPlugin({
styleTagFactory({ style }) {
return `<style type="text/css">${style}</style>`;
},
}),
...if true, it will leave CSS files where they are when inlining
replace?: {
target: string
position?: 'before' | 'after' // default is 'before'
removeTarget?: boolean // default is false
}A config for customizing the location of injection, default will add internal style sheet before the </head>
A target for adding the internal style sheet
Add internal style sheet before/after the target
if true, it will remove the target from the output HTML
Please note that HTML comment is removed by default by the
html-webpack-pluginin production mode. #16
<head>
<!-- inline_css_plugin -->
<style>
/* some hard code style */
</style>
</head>...
new HTMLInlineCSSWebpackPlugin({
replace: {
removeTarget: true,
target: '<!-- inline_css_plugin -->',
},
}),
...<head>
<style>
/* style from *.css files */
</style>
<style>
/* some hard code style */
</style>
</head>
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