gulpfile.js

//
// gulpfile.js
// Gulp for Alasql
// Дата: 06.08.2014
// (c) 2014-2015, Andrey Gershun
//

var closure = false;

var fs = require('fs');
var gulp = require('gulp');
module.exports = gulp;
var concat = require('gulp-concat');
var uglify = require('gulp-uglify');
var shell = require('gulp-shell');
var rename = require('gulp-rename');
var dereserve = require('gulp-dereserve');
var argv = require('yargs').argv || {};
var replace = require('gulp-replace');
var execSync = require('child_process').execSync;


// Identify name of the build
var packageData = JSON.parse(fs.readFileSync('package.json', 'utf8'))
var version = packageData.version;
var branch = execSync('git --work-tree="' + __dirname +'" --git-dir="' + __dirname + '/.git" branch', {encoding:'utf8'})
              .match(/^\*\s+(.*)/m)[1]
              .trim()
var commits = parseInt(execSync('git rev-list HEAD --count', {encoding:'utf8'})) | 0;
if(!(/^master|^release\//.test(branch))){
  version += '-'
              + branch.replace(/[^0-9a-z-]/ig,'.').replace(/^\.+|\.+$/g,'')
              + '-' 
              + commits;
} 

gulp.task('js-merge-worker', function () {
  return gulp.src([
    './src/05copyright.js', 
    './src/99worker-start.js', 
    './src/99worker.js', 
    './src/99worker-finish.js', 
    ])
    .pipe(concat('alasql-worker.js'))
    .pipe(replace(/PACKAGE_VERSION_NUMBER/g, version)) 
    .pipe(gulp.dest('./dist'))
    .pipe(rename('alasql-worker.min.js'))
    .pipe(uglify({preserveComments:function(a,b){return 1===b.line && /^!/.test(b.value)}})) // leave first line of comment if starts with a "!"
    .pipe(gulp.dest('./dist'));
});

gulp.task('js-merge', function () {
  return gulp.src([
    './src/05copyright.js', 
  	'./src/10start.js', 
  	'./src/alasqlparser.js', 
    './src/12pretty.js', 
  	'./src/15utility.js', 
    './src/16comments.js', 
    './src/17alasql.js', 
    './src/18promise.js', 
    './src/20database.js',
    './src/21transaction.js',
//    './src/22store.js',
    './src/23table.js',
    './src/24view.js',
  	'./src/25queryclass.js',
    './src/28yy.js',
  	'./src/30statements.js',
    './src/35search.js',
    './src/38query.js',
    './src/39dojoin.js',
  	'./src/40select.js',
    './src/41exists.js',
    './src/420from.js',
    './src/421join.js',
    './src/422where.js',
    './src/423groupby.js',
    './src/424select.js',
    './src/425having.js',
    './src/426orderby.js',
    './src/427pivot.js',
    './src/43rollup.js',    
    './src/44defcols.js',
    './src/45union.js',
    './src/46apply.js',
    './src/47over.js',
  	'./src/50expression.js',
    './src/52linq.js',
    './src/55functions.js',
//    './src/56sprintf.js',
    './src/57case.js',
    './src/58json.js',
    './src/59convert.js',
  	'./src/60createtable.js',
    './src/61date.js',
    './src/62droptable.js',
    './src/63createvertex.js',
    './src/64altertable.js',
    './src/65createindex.js',
    './src/66dropindex.js',
    './src/67withselect.js',
    './src/68if.js',
    './src/69while.js',
  	'./src/70insert.js',
    './src/71trigger.js',
    './src/72delete.js',
    './src/74update.js',
//    './src/74update.js',
    './src/75merge.js',
    './src/76usedatabase.js',
    './src/77declare.js',
    './src/78show.js',
    './src/79set.js',
    './src/80console.js',
    './src/81commit.js',
    './src/821tsql.js',
    './src/822mysql.js',
    './src/823postgres.js',
    './src/824oracle.js',
    './src/825sqlite.js',
    './src/830into.js',
    './src/831xls.js',
    './src/832xlsxml.js',
    './src/833xlsx.js',
//    './src/839zip.js', // To be added later in XLSX plugin
    './src/84from.js',
    './src/843xml.js',
    './src/844gexf.js',
    './src/85help.js',
    './src/86print.js',
    './src/87source.js',
    './src/88require.js',
    './src/89assert.js',
    './src/90websql.js',
    './src/91indexeddb.js',
    './src/92localstorage.js',
    './src/93sqljs.js',
    './src/94filestorage.js',
    './src/97saveas.js',
    './src/FileSaver.js',
   	'./src/98finish.js',
    './src/99worker.js'
    ])
    .pipe(concat('alasql.js'))
    .pipe(replace(/\/\*\/\*[\S\s]+?\*\//g, ''))         // Remove multiline comments starting with "/*/*" 
    .pipe(replace(/^\/\/[ \t]{2,}.*/gm, ''))            // Remove single line comments where the // part is first thing and content does not follow imidiatly (probably a "just test" line) 
    .pipe(replace(/\/\/.*?console\.log\(.*/gm, ''))     // Remove single line comments 'console.log(' is part of the line 
    .pipe(replace(/\n[\s]+\n/g, "\n\n"))                // Collaps multilinebreak 
    .pipe(replace(/PACKAGE_VERSION_NUMBER/g, version))  // Please set version in package.json file
    .pipe(gulp.dest('./dist'))
    .pipe(dereserve())
    .pipe(rename('alasql.min.js'))
    .pipe(uglify({preserveComments:function(a,b){return 1===b.line && /^!/.test(b.value)}})) // leave first line of comment if starts with a "!"
    .pipe(gulp.dest('./dist'))
    ;
});


gulp.task('jison-compile', function () {
  return gulp.src('./src/alasqlparser.jison', {read: false})
    .pipe(shell([
//      'node ./utils/redj/redj.js',
//      'jison ./src/alasqlparser1.jison -o ./src/alasqlparser.js'
      './node_modules/.bin/jison ./src/alasqlparser.jison -o ./src/alasqlparser.js' // Todo: avoid having to install globally with `npm install jison -g`

//      'java -jar utils/compiler.jar -O "ADVANCED_OPTIMIZATIONS" src/alasqlparser1.js --language_in=ECMASCRIPT5 --js_output_file src/alasqlparser.js',
    ]));
});

/*
gulp.task('jison-compile-fast', function () {
  return gulp.src('./src/alasqlparser.jison', {read: false})
    .pipe(shell([
//      'node ./utils/redj/redj.js',
//      'jison ./src/alasqlparser1.jison -o ./src/alasqlparser.js'
      'jison ./src/alasqlparser.jison -o ./src/alasqlparser.js'   // Todo: avoid having to install globally with `npm install jison -g`
//      'java -jar utils/compiler.jar -O "ADVANCED_OPTIMIZATIONS" src/alasqlparser1.js --language_in=ECMASCRIPT5 --js_output_file src/alasqlparser.js',
    ]));
});
*/

/** @todo Replace UglifyJS with Closure */

/*
gulp.task('uglify', function () {
  return gulp.src('dist/alasql.js', {read: false})
    .pipe(shell([
      'uglifyjs dist/alasql.js -o dist/alasql.min.js',
      'uglifyjs dist/alasql-worker.js -o dist/alasql-worker.min.js',
      //'cd test && (mocha . --reporter dot || if [ $? -ne 0 ] ; then say -v karen Tests failed ; else tput bel; fi)',
      
//      'java -jar utils/compiler.jar -O "SIMPLE_OPTIMIZATIONS" dist/alasql.js --language_in=ECMASCRIPT5 --js_output_file dist/alasql.min.js',
//      'java -jar utils/compiler.jar -O "SIMPLE_OPTIMIZATIONS" dist/alasql-worker.js --language_in=ECMASCRIPT5 --js_output_file dist/alasql-worker.min.js'
    ]));
});
*/

/*
gulp.task('copy-dist', function(){
//  gulp.src(['./dist/alasql.js'/*,'./alasql.js.map'* /])
//    .pipe(gulp.dest('./'));
});
*/


gulp.task('copy-dist-org', function(){
  gulp.src(['./dist/alasql.min.js',
            './dist/alasql-worker.min.js',
            '/dist/alasql-echo.js',
            '/dist/alasql-md.js',
            ])
    .pipe(gulp.dest('./console/'));
});

/*
gulp.task('copy-dist-meteor', function(){
  gulp.src(['./dist/alasql.min.js','./dist/alasql-worker.min.js','/dist/alasql-echo.js'])
    .pipe(gulp.dest('./console/'));
});
*/

// Additional task to update alasql.org/console directory
gulp.task('copy-console-org', function(){
  gulp.src(['./dist/*'])
    .pipe(gulp.dest('../alasql-org/console/'));
});

/************************/

// Echo plugin
gulp.task('typescript', function(){
  gulp.src(['./src/typescript/alasql.d.ts'])
    .pipe(gulp.dest('./dist'));
});


// Echo plugin
gulp.task('plugin-plugins', function(){
  gulp.src([
      './src/echo/alasql-echo.js',
      './src/md/alasql-md.js',
  ]).pipe(gulp.dest('./dist'));
});

// Echo plugin
gulp.task('plugin-prolog', function(){
  gulp.src(['./src/prolog/alasql-prolog.js'])
    .pipe(gulp.dest('./dist'));
});


//    , {
//      templateData: {
//        f: function (s) {
//          return s.replace(/$/, '.bak')
//        }
//      }
//    }))

// gulp.task('jison-compile', function () {
//   return gulp.src('./src/*.jison')
 //    .pipe(changed('./dist/'))
//     .pipe(jison({ moduleType: 'commonjs' }))
//     .pipe(gulp.dest('./src/'))
// //    .pipe(livereload());
// });

// gulp.task('jison-lex-compile', function () {
//   return gulp.src('./src/*.jisonlex')
// //    .pipe(changed('./dist/'))
//     .pipe(jisonLex())
//     .pipe(gulp.dest('./src2/'))
// //    .pipe(livereload());
// });


var toRun = ['js-merge', 'js-merge-worker', 'plugin-prolog', 'plugin-plugins' ];

if(argv.jison){
    //toRun.unshift('jison-compile'); 
    toRun = ['jison-compile']; 
}
                       
// Главная задача
gulp.task('default', toRun, function(){});

gulp.task('watch', toRun, function(){
  gulp.watch('./src/*.js',function(){ gulp.run('js-merge'); });
  gulp.watch('./src/99worker*.js',function(){ gulp.run('js-merge-worker'); });
  gulp.watch('./src/alasqlparser.jison',function(){ gulp.run('jison-compile'); });

  gulp.watch('./src/typescript/alasql.d.ts',function(){ gulp.run('typescript'); });
  gulp.watch('./src/echo/*.js',function(){ gulp.run('plugin-plugins'); });
  gulp.watch('./src/md/*.js',function(){ gulp.run('plugin-plugins'); });
  gulp.watch('./src/prolog/*.js',function(){ gulp.run('plugin-prolog'); });

  //gulp.watch('./dist/alasql.js',function(){ gulp.run('uglify'); });

  gulp.watch('./dist/alasql.min.js',function(){ 
//    gulp.run('copy-dist'); 
    gulp.run('copy-dist-org');
/*    gulp.run('copy-dist-meteor'); */
  });
  gulp.watch('./dist/alasql-worker.js',function(){ 
//    gulp.run('copy-dist'); 
    gulp.run('copy-dist-org');
  });
//  gulp.watch('./console/*',function(){ gulp.run('copy-console-org'); });
  // gulp.watch('./src/*.jison',function(){ gulp.run('jison-compile'); gulp.run('js-merge');});
  // gulp.watch('./src/*.jisonlex',function(){ gulp.run('jison-lex-compile'); gulp.run('js-merge');});
});

gulp.task('fast', ['js-merge' /*, 'jison-compile', 'jison-lex-compile' */], function(){
  gulp.watch('./src/alasqlparser.jison',function(){ gulp.run('jison-compile'); });
  gulp.watch('./src/*.js',function(){ gulp.run('js-merge'); });
});

gulp.task('doc', function(){
  return gulp.src('./alasql.js', {read: false})
    .pipe(shell([
      'jsdoc dist/alasql.js -d ../alasql-org/api',
    ]));
});

gulp.task('console', function(){
  gulp.run('copy-console-org');
});