gulpfile.js

var gulp = require('gulp');
var gutil = require('gulp-util');
var taskListing = require('gulp-task-listing');
var xSpawn = require('cross-spawn');
var Q = require('q');

var _ = require('lodash');

var tsGen = require('./tsgen-core');

// Public tasks

gulp.task('default', ['help']);

gulp.task('help', taskListing.withFilters(function (taskName) {
    var isSubTask = taskName.substr(0, 1) == "_";
    return isSubTask;
}, function (taskName) {
    var shouldRemove = taskName === 'default';
    return shouldRemove;
}));

gulp.task('generate', function() {
    generateMetadata().then(generateEntities);
});

gulp.task('generate-entities', generateEntities);

gulp.task('generate-metadata', generateMetadata);


function generateEntities() {
    tsGen.generate({
        inputFileName: './Northwind.metadata.json',
        outputFolder: './entities',
        camelCase: true,
        baseClassName: 'EntityBase'
    });
}

function generateMetadata() {
    // assumes that the 'breeze.tooling' github repo exists on disk at the same level as the breeze.server.net repo
    // TODO: add a check that the 'breeze.tooling' dir exists and that the metadataGenerator.dll has been created.

    var spawnInfo = spawnExt('../MetadataGenerator/MetadataGenerator/bin/debug/metadatagenerator',
      ['-i', '../../breeze.server.net/Tests/Model_NorthwindIB_CF.EF6/bin/Debug/Model_NorthwindIB_CF.EF6.dll', '-o', './Northwind.metadata.json' ]);
    return spawnInfo.promise;
}

// returns both a promise and the spawned process so that it can be killed if needed.
function spawnExt(command, args, options) {
  var deferred = Q.defer();
  var descr = command + " " + args.join(' ');
  var proc;
  gutil.log('running: ' + descr);
  try {
    proc = xSpawn.spawn(command, args, options);
  } catch(e) {
    gutil.log(e);
    deferred.reject(e);
    return { proc: null, promise: deferred.promise };
  }
  proc.stdout.on('data', function (data) {
    gutil.log(data.toString());
  });
  proc.stderr.on('data', function (data) {
    gutil.log(data.toString());
  });
  proc.on('close', function (data) {
    gutil.log('completed: ' + descr);
    deferred.resolve(data);
  });
  proc.on('error', function (data) {
    gutil.log('completed with error:' + descr);
    gutil.log(data.toString());
    deferred.reject(data);
  });
  return { proc: proc, promise: deferred.promise };
}