gulpfile.js

/*jshint esversion: 6 */
/*
 * Copyright (C) 2017  luffah<contact@luffah.xyz>
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
//require("es6-promise").polyfill();
//const fs = require('fs');
const gulp = require("gulp");
const file = require('gulp-file');
const del = require("del");
const concat = require("gulp-concat");
const inject = require('gulp-inject');
const htmlminifier = require("gulp-html-minifier");
const uglify = require('gulp-uglify');
const postcss = require("gulp-postcss");
var postcss_plugins = [
    require("autoprefixer"),
    require("cssnano")
];

const po2json = require('po2json');
var languages=['fr','en'];


function _make_all(){
  //  var clean=false;
  //  while (!clean){
  //   try {
  //     fs.statSync('tmp');
  //     fs.statSync('webroot');
  //     console.log('Waiting _clean to finish');
  //   } catch (e) {
  //     clean=true;
  //   }
  //  }
  var dialogs=_dialogs(languages);
  var js=_js();
  var css=_css();
  var images=_images();
  var sounds=_sounds();
  for (i in dialogs){
    _html(i,dialogs[i],images,js,css);
  }
}
function _js(){
  /*
   * JS (without dialogs)
   */

  var jssrc=[
    'src/js/engine/howler.core.js',
    'src/js/engine/js.js',
    'src/js/engine/Gettext.js',
    'src/js/engine/Cookie.js',
    'src/js/engine/GameState.js',
    'src/js/engine/EventTarget.js',
    'src/js/engine/Sound.js',
    'src/js/engine/Music.js',
    'src/js/engine/ReturnSequence.js',
    'src/js/engine/VTerm.js',
    'src/js/engine/User.js',
    'src/js/engine/Parse.js',
    'src/js/engine/Command.js',
    'src/js/engine/Commands.js',
    'src/js/engine/Pic.js',
    'src/js/engine/Item.js',
    'src/js/engine/Room.js',
    'src/js/terminus.init.js',
    'src/js/terminus.assets.js',
    'src/js/terminus.utils.js',
    'src/js/terminus.gamestart.js',
    'src/js/terminus.level1.js',
    'src/js/terminus.level2.js',
    'src/js/terminus.run.js',
  ];
  
  /* uncomment this for debuging */
  gulp.src(jssrc)
    .pipe(concat('min.js'))
    .pipe(gulp.dest("./"))
  ;
  /* --------------------------- */
  return gulp.src(jssrc)
    .pipe(concat('min.js'))
    .pipe(uglify());

}

function _css(){
  /*
   * CSS
   */
  return gulp.src("src/css/terminus.css")
    .pipe(concat('min.css'))
    .pipe(postcss(postcss_plugins));
}

function _images(){
  /*
   * Images
   */
  return gulp.src('src/img/*')
    .pipe(gulp.dest('webroot/img/'));
}
function _sounds(){
  /*
   * Sounds
   */
  return gulp.src('src/snd/*.wav')
    .pipe(gulp.dest('webroot/snd/'));
}

function _filter_dialogs(jsonData){
  var ret={};
  for (j in jsonData){
    if (i) {
      ret[j]=jsonData[j][1];
    }
  }
  return ret;
}

function _dialogs(tlang){
  /*
   * Translations / text
   */
  var data = {};
  for (i in tlang){
    try {
      data[tlang[i]] = 'var dialog=' + JSON.stringify(
        _filter_dialogs(
          po2json.parseFileSync('src/lang/terminus.'+tlang[i]+'.po')
        )
      ) +';';
      file("terminus.dialog."+tlang[i]+".js",
        "//Warning this file is autogenerated \n"+data[tlang[i]]+"\nconst APP_NAME='terminus';const LANG='"+tlang[i]+"';",
        {src:true})
        .pipe(gulp.dest('src/js/_build'));
    } catch (e) {
      console.log(e);
    }
  }
  return data;
}


function _html(lang,dialogs,images,js,css){
  /*
   * HTML
   */
  var inject_def_css =  { transform:
    function (filePath, file) {
      return '<style>'+file.contents.toString('utf8')+'</style>'; }
  };
  var inject_def_js =  { transform:
    function (filePath, file) { 
      return '<script>' + dialogs +
        file.contents.toString('utf8') +
        '</script>';
    }
  };
  gulp.src('src/*.html')
    .pipe(htmlminifier({collapseWhitespace: true}))
    .pipe(inject(css, inject_def_css))
    .pipe(inject(js, inject_def_js))
    .pipe(concat("terminus."+lang+".html"))
    .pipe(gulp.dest("webroot/"));
  return true;
}

function _clean(){
  return del.sync(['webroot']); 
}

gulp.task('clean', _clean);
gulp.task('makeall', ['clean'], _make_all);
gulp.task('default', ['makeall']);