text: const {series, dest} = require('gulp');
  const del = require('del');
  const ts = require("gulp-typescript");
  const tsProject = ts.createProject("tsconfig.json");
  
  function clean() {
      return del('dist/**', {force: true});
  }
  
  function tsc() {
      return tsProject.src()
          .pipe(tsProject())
          .js.pipe(dest("dist"));
  }
  
  exports.default = series(clean, tsc);
  