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preact.config.js
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preact.config.js
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import CopyWebpackPlugin from "copy-webpack-plugin";
import path from "path";
/** Removes new lines, HTML comments, and unneeded spaces */
const minifyHtml =
/([\n\r] *|<!--.*-->)|( *(?=[<\/>()\+\.\"=?:]))|((?<=[=+]) *)/gms;
export default (config, env, helpers) => {
config.plugins.push(
new CopyWebpackPlugin({
patterns: [
{
from: "*",
context: path.resolve(__dirname, "public"),
// The `content` argument is a [`Buffer`](https://nodejs.org/api/buffer.html) object, it could be converted to a `String` to be processed using `content.toString()`
// The `absoluteFrom` argument is a `String`, it is absolute path from where the file is being copied
transform(content, absoluteFrom) {
if (absoluteFrom.includes("404.html")) {
return Promise.resolve(
content.toString().replace(minifyHtml, "")
);
}
return Promise.resolve(content);
},
},
],
})
);
};