You can use it like a getLocalIdent option in the 'css-loader'.
const {createGenerator} = require('optimized-css-hash'); { loader: 'css-loader', options: { modules: { // pathHash is the required name to place the optimized hash in the class name. localIdentName: '[name]__[local]___[pathHash]', mode: 'global', getLocalIdent: createGenerator(), }, }, }, article idea - https://dev.to/denisx/reduce-bundle-size-via-one-letter-css-classname-hash-strategy-10g6