Hopefully this plugin will be unnecessary soon - when vercel/next.js#23185 merges
Next.js supports SASS/SCSS, but not Less. This plugin adds Less support by duplicating SASS webpack rules and adding support for .less files with less-loader.
It mimics the exact behavior of CSS extraction/css-modules/errors/client/server of SASS.
Tested with [email protected] with webpack@5, and [email protected].
yarn add next-with-less
npm i next-with-lessPeer dependencies to install: less less-loader.
// next.config.js
const withLess = require("next-with-less");
module.exports = withLess({
lessLoaderOptions: {
/* ... */
},
});You can see all the options available to less-loader here.
Usage with next-compose-plugins
// next.config.js
const withPlugins = require("next-compose-plugins");
const withLess = require("next-with-less");
const plugins = [
/* ...other plugins... */
[withLess, {
lessLoaderOptions: {
/* ... */
},
}],
/* ...other plugins... */
];
module.exports = withPlugins(plugins, {
/* ... */
});To override some of antd default variables, just add them under lessLoaderOptions.lessOptions.modifyVars:
// next.config.js
const withLess = require("next-with-less");
module.exports = withLess({
lessLoaderOptions: {
/* ... */
lessOptions: {
/* ... */
modifyVars: {
"primary-color": "#9900FF",
"border-radius-base": "2px",
/* ... */
},
},
},
});As an alternative, the same can be achieved using the additionalData option.
Put your variables in a file, like:
@primary-color: #9900ff;
@border-radius-base: 2px;and then pass it to less-loader using additionalData:
// next.config.js
const withLess = require("next-with-less");
const path = require("path");
const pathToLessFileWithVariables = path.resolve(
"your-file-with-antd-variables.less"
);
module.exports = withLess({
lessLoaderOptions: {
/* ... */
additionalData: (content) =>
`${content}\n\n@import '${pathToLessFileWithVariables}';`,
},
});
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