How to use the antd-theme-generator.generateTheme function in antd-theme-generator

// site less file
  mainLessFile: path.join(root, './src/styles.less'),
  themeVariables: [
    '@primary-color',
    '@text-color',
    '@text-color-secondary'
  ],
  // if provided, file will be created with generated less/styles
  outputFilePath
}

if (fs.existsSync(outputFilePath)) {
  fs.unlinkSync(outputFilePath);
}

generateTheme(options).then(less => {
  console.log('Theme generated successfully');
})
.catch(error => {
  console.log('Error', error);
})

@import './theme/styles/app/index';
@import './abc/index';
@import '../src/app/styles/index.less';
`;
fs.writeFileSync(path.resolve(root, '.tmp/all.less'), allLess);

const options = {
  antdStylesDir: path.join(root, 'node_modules/ng-zorro-antd/src/'),
  stylesDir: path.join(root, '.tmp'),
  // varFile: path.join(__dirname, '../components/style/themes/default.less'),
  themeVariables: ['@primary-color'],
  mainLessFile: path.join(root, '.tmp/all.less'),
  outputFilePath: path.join(root, 'src/assets/color.less'),
};

generateTheme(options);

fs.writeFileSync(tmpVarFilePath, ALLVAR);
}

function removeVarFile() {
  fs.unlinkSync(tmpVarFilePath);
}

function removeOutputFile() {
  if (fs.existsSync(outputFilePath)) {
    fs.unlinkSync(outputFilePath);
  }
}

genVarFile();
removeOutputFile();
generateTheme(options)
  .then(() => {
    removeVarFile();
    console.log('Theme generated successfully');
  })
  .catch(error => {
    removeVarFile();
    console.log('Error', error);
  });

mainLessFile: path.join(__dirname, './src/styles/main.less'),
  themeVariables: [
    '@primary-color',
    '@secondary-color',
    '@text-color',
    '@text-color-secondary',
    '@heading-color',
    '@layout-body-background',
    '@btn-primary-bg',
    '@layout-header-background'
  ],
  indexFileName: 'index.html',
  outputFilePath: path.join(__dirname, './public/color.less'),
}

generateTheme(options).then(less => {
  console.log('Theme generated successfully');
})
  .catch(error => {
    console.log('Error', error);
  });

module.exports = () => generateTheme(options);

#!/usr/bin/env node
const path = require('path');
const { generateTheme } = require('antd-theme-generator');

const options = {
  stylesDir: path.join(__dirname, '../site/theme/static'),
  antdStylesDir: path.join(__dirname, '../components'),
  varFile: path.join(__dirname, '../components/style/themes/default.less'),
  mainLessFile: path.join(__dirname, '../site/theme/static/index.less'),
  themeVariables: ['@primary-color'],
  outputFilePath: path.join(__dirname, '../_site/color.less'),
};

generateTheme(options);

if (!content.match(/\/color\.less/g)) {
          index.source = () =>
            content.replace(less, "").replace(//gi, `${less}`);
          content = index.source();
          index.size = () => content.length;
        }
      }
      if (options.generateOnce && this.colors) {
        compilation.assets["color.less"] = {
          source: () => this.colors,
          size: () => this.colors.length
        };
        return callback();
      }
      generateTheme(options)
        .then(css => {
          if (options.generateOnce) {
            this.colors = css;
          }
          compilation.assets["color.less"] = {
            source: () => css,
            size: () => css.length
          };
          callback();
        })
        .catch(err => {
          callback(err);
        });
    });
  }