kppoint.github.io/gulpfile.js at dev · kppoint/kppoint.github.io · GitHub

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vargulp=require('gulp'),
webpack=require('webpack'),
webpackCfg=require('./config/webpack'),
gutil=require('gulp-util'),
gData=require('gulp-data'),
jade=require('gulp-jade'),
compass=require('gulp-compass'),
WebpackDevServer=require('webpack-dev-server'),
constants=require('./config/constants'),
request=require('request');

// Webpack compiler & its config.
//
varcompiler=webpack(webpackCfg),
// Instantiate server only in development mode,
// otherwise gulp would not terminate itself after performing all tasks
server=isProduction() ? {} : newWebpackDevServer(compiler,{
contentBase: './',
publicPath: '/assets/'
}),
webpackStats;

// Runs webpack compiler and generates javascript files.
//
gulp.task('webpackCompile',function(cb){
compiler.run(function(err,stats){
if(err){
thrownewgutil.PluginError('webpack',err)
}
gutil.log('[webpack]',""+stats);

webpackStats=stats;
cb();
});
});

// Starts a Webpack dev server, which watch file changes,
// re-compiles in memory (so no actual file is generated) and reloads the browser
// as needed.
//
gulp.task('devServer',function(cb){
server.listen(8080,"0.0.0.0",function(err){
if(err)thrownewgutil.PluginError("webpack-dev-server",err);
gutil.log("[webpack-dev-server]","http://localhost:8080/webpack-dev-server/index.html");
});
});

// Jade compilation
//
gulp.task('jade',function(){
returngulp.src('src/jade/index.jade')
.pipe(jade({
pretty: true,
locals: {
hash: 'main',
totalPoints: constants.TOTAL_POINTS,
totalUsers: constants.TOTAL_USERS
}
}))
.pipe(gulp.dest('./'))
.on('end',forceReload);
});

// Jade compilation with webpack compilation stats
//
gulp.task('jadeProduction',['webpackCompile','compass'],function(){
returngulp.src('src/jade/index.jade')
.pipe(gData(populateLocals))
.pipe(jade({
pretty: false
}))
.pipe(gulp.dest('./'));
});

// Compass compilation
//
gulp.task('compass',function(){
returngulp.src('src/scss/main.scss')
.pipe(compass({
config_file: 'config/compass.rb',
css: 'assets',
sass: 'src/scss'
}))
.pipe(gulp.dest('./assets'))
.on('end',forceReload);
});

// Watch file change and invoke corresponding compilers.
//
// Note: This task has nothing to do with browser reload.
// Browser reload setup is in config/webpack.js.
//
gulp.task('watch',['jade','compass'],function(cb){
gulp.watch('./src/jade/*',['jade']);
gulp.watch('./src/scss/*',['compass']);
});

gulp.task('default',['watch','devServer']);

gulp.task('build',isProduction() ?
['jadeProduction'] : ['webpackCompile','jade','compass']);

/* Utility functions */

functionforceReload(){
if(isProduction()){
return;
}

// Force browser reload by hacking webpack-dev-server
// (using non-public api)
if(server.io){
gutil.log('[forceReload] Reloading...')
server.io.sockets.emit('ok');
}else{
thrownewgutil.PluginError("forceReload","webpack-dev-server socket is not ready");
}
}

functionpopulateLocals(file,cb){
request(constants.API_ENDPOINT,function(err,resp,data){
if(err){
thrownewgutil.PluginError("populateLocals",err);
}

varhasParseError=false;
try{
data=JSON.parse(data);
}catch(e){
gutil.beep();
gutil.log('[populateLocals]','Parse error on data:',e);
gutil.log('[populateLocals]','Data:',data);
hasParseError=true;
}


if(!hasParseError&&resp.statusCode===200){
gutil.log('[populateLocals]','Fetched data:',data);

cb(null,{
totalPoints: data.total_points,
totalUsers: data.total_users,
hash: webpackStats.hash
});

}else{
gutil.log('[populateLocals]','Fallback to manual setup:',{
totalPoints: constants.TOTAL_POINTS,
totalUsers: constants.TOTAL_USERS
});

cb(null,{
totalPoints: constants.TOTAL_POINTS,
totalUsers: constants.TOTAL_USERS,
hash: webpackStats.hash
});
}
});
}

functionisProduction(){
returnprocess.env.NODE_ENV==='production';
}