generator-convenia/app/utils.js

'use strict';
const fs = require('fs');
const path = require('path');

const esprima = require('espree');
const escodegen = require('escodegen');

const esprimaOptions = {
  sourceType: 'module',
  ecmaVersion: 6
}

const escodegenOptions = {
  comment: true,
  format: {
    indent: { style: '  ' },
    semicolons: true,
  }
}

const read = path => esprima.parse(fs.readFileSync(path, 'utf8'), esprimaOptions)
const readString = str => esprima.parse(str, esprimaOptions)

const write = function(path, tree) {
  const code = escodegen.generate(tree, escodegenOptions) + '\n';

  fs.writeFileSync(path, code, 'utf8');
};

const getDestinationPath = function(name, type, suffix) {
  const prefix = path.join('src', type, name);
  const portablePrefix = path.sep === '/' ? prefix : prefix.split(path.sep).join('/');
  return [portablePrefix, suffix].join('.');
};

const getRelativePath = function(name, type, suffix) {
  const filePath = path.join('..', type, name);
  const portableFilePath = path.sep === '/' ? filePath : filePath.split(path.sep).join('/');
  return [portableFilePath, suffix].join('.');
};

const getBaseName = function(path) {
  const items = path.split('/');
  return items[items.length - 1];
};

module.exports = {
  read,
  readString,
  write,
  getDestinationPath,
  getBaseName,
  getRelativePath
}