code: function generateTypedocDocs(typedocDocsDir) {
    const publicApiConfigFile = path.resolve(__dirname, '../src/ng5-slider/lib/public_api.json');
    const publicApiConfig = JSON.parse(fs.readFileSync(publicApiConfigFile, { encoding: 'utf8' }));
  
    const files = publicApiConfig.exports
      .map(exportDef => path.resolve(__dirname, `../src/ng5-slider/lib/${exportDef.file}.ts`));
  
    const themeDir = path.resolve(__dirname, '../typedoc-theme');
  
    // HACK: When Typedoc finda a README.md file, it uses it to generate content for the index page of documentation
    // This is not very helpful, as it repeats the same stuff that's already shown on Github and NPM
    // So instead, replace the README.md with our own file
    const apiDocsReadmeFile = path.resolve(__dirname, '../typedoc-theme/README.md');
    utils.copyReadmeMd(apiDocsReadmeFile);
  
    const app = new typedoc.Application({
      module: 'commonjs',
      target: 'es6',
      includeDeclarations: false,
      experimentalDecorators: true,
      excludeExternals: true,
      theme: themeDir
    });
  
    app.generateDocs(files, typedocDocsDir);
  
    // HACK: restore the README.md to original
    const mainReadmeFile = path.resolve(__dirname, '../README.md');
    utils.copyReadmeMd(mainReadmeFile);
  }
docs: Run typedoc over library public API files to generate HTML files from customised typedoc theme
  The resulting files are not really useful on their own; they will be used later to generate demo app code