sourceMap option

[MartinCerny-awin]

What nextSourceMap value for sourceMap option mean? Isn't it supposed to be string? I would expect that it is one of these values https://webpack.js.org/configuration/devtool/ If not, could you please describe what it is.

[shkarupa-alex]

Where did you find that option?

[MartinCerny-awin]

it is in readme https://github.com/intervolga/optimize-cssnano-plugin/blob/master/README.md

  plugins: [
    new ExtractTextPlugin("styles.css"),

    new OptimizeCssnanoPlugin({
      sourceMap: nextSourceMap,
      cssnanoOptions: {
        preset: ['default', {
          discardComments: {
            removeAll: true,
          },
        }],
      },
    }),
  ]

[shkarupa-alex]

Sorry, that is misspell.
Source map should be boolean.
In my projects true for development, false for production.