sd.config.js

module.exports = {
  format: {
    // Adding a custom format to show how to get an alias's name.
    customFormat({ dictionary, options }) {
      return dictionary.allTokens.map(token => {
        let value = JSON.stringify(token.value);
        // new option added to decide whether or not to output references
        if (options.outputReferences) {
          // the `dictionary` object now has `usesReference()` and
          // `getReferences()` methods. `usesReference()` will return true if
          // the value has a reference in it. `getReferences()` will return
          // an array of references to the whole tokens so that you can access its
          // name or any other attributes.
          if (dictionary.usesReference(token.original.value)) {
            const reference = dictionary.getReferences(token.original.value);
            value = reference.name;
          }
        }

        return `export const ${token.name} = ${value};`;
      }).join('\n');
    },
  },
  platforms: {
    json: {
      buildPath: './src/style-dictionary-dist/',
      files: [{
        destination: 'tokens.json',
        format: 'json/nested',
      }],
    },
  },
  source: ['./tokens/token.json'],
};