Gulp Generate

gulpfile.js

const gulp     =  require('gulp');
const template =  require('gulp-template');
const rename   =  require('gulp-rename');
const path     =  require('path');
const yargs    =  require('yargs');
const appRoot  =  require('app-root-path');
const loadsh   =  require('lodash');
require('./contains');

/*
* Gerador de Codigos
* task para gerar query Graphql: gulp graph --name 'nome-no-singular-minusculo' (opcional)[--model 'id \n name']
* task para gerar Component: gulp component --name 'nome-no-singular-minusculo' --parent Nome-da-pasta-aonde-sera-inserido
* task para gerar Component e GraphQl: gulp crud --name 'nome-no-singular-minusculo' --parent Nome-da-pasta-aonde-sera-inserido
* Exemplo de uso: gulp crud --name 'modality' --parent Incomes
*/

const paths = {
  graphTemplates: path.join(__dirname, 'graphql/**/*.**'),
  componentTemplate: path.join(__dirname, 'crud/**/*.**')
};


const resolveToComponents = (glob) => {
  glob = glob || '';
  return path.join(appRoot.toString(), 'src/', glob);
};

const toCamelCase = val => val.charAt(0).toUpperCase() + val.slice(1);
const toLowerCase = val => val.charAt(0).toLowerCase() + val.slice(1);
const toPlural = (val) => {
  const lastTwo = val.substr(val.length-2);
	const lastOne = val.substr(val.length-1);
	const arrayTwo = ['ay', 'ey', 'iy', 'oy', 'uy'];
	const arrayOne = ['o', 's', 'x', 'z'];
	if(arrayTwo.contains(lastTwo)) return `${val}s`;
	if(['sh', 'ch'].contains(lastTwo)) return `${val}es`;
	if(arrayOne.contains(lastOne)) return `${val}es`;
	if(lastOne === 'y') return `${val.slice(0, -1)}ies`;
  if(val === 'have') return 'has';
	return `${val}s`;
};

gulp.task('graph', () => {
  const name = yargs.argv.name;
  const model = yargs.argv.model || 'id \n      name';
  const destPath = path.join(appRoot.toString(), 'src/graphql');
  console.log('Gerando querys para o modelo: ',name);
  return gulp.src(paths.graphTemplates)
    .pipe(template({
      name: name,
      pluralName: toPlural(name),
      model: model,
      upCaseName: toCamelCase(name),
      pluralNameUpCase: toCamelCase(toPlural(name))
    }))
    .pipe(rename((path) => {
      path.basename = path.basename.replace('temp', name);
    }))
    .pipe(gulp.dest(destPath));
});

gulp.task('component', () => {
  const name = yargs.argv.name;
  const parentPath = yargs.argv.parent || '';
  const destPath = path.join(resolveToComponents('components'), parentPath, toCamelCase(name));
  console.log('Gerando Component para o modelo: ',name);
  return gulp.src(paths.componentTemplate)
    .pipe(template({
      name: name,
      pluralName: toPlural(name),
      upCaseName: toCamelCase(name),
      parentName: toLowerCase(parentPath),
      kebabName:  loadsh.kebabCase(name)
    }))
    .pipe(rename((path) => {
      path.basename = path.basename.replace('temp.list', toCamelCase(name)+'List');
    }))
    .pipe(rename((path) => {
      path.basename = path.basename.replace('temp.form', toCamelCase(name)+'Form');
    }))
    .pipe(rename((path) => {
      path.basename = path.basename.replace('router', 'router');
    }))
    .pipe(gulp.dest(toCamelCase(destPath)));
});

gulp.task('crud', ['graph', 'component']);