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Merge pull request #199 from Mibew/gulp_promise

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Use promises to build all the styles
This commit is contained in:
Fedor A. Fetisov 2017-03-18 00:49:54 +03:00 committed by GitHub
commit 88ba0f148e
1 changed files with 82 additions and 54 deletions
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100
src/gulpfile.js
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@ -186,14 +186,11 @@ gulp.task('chat-styles', ['chat-styles-handlebars', 'chat-styles-js'], function(
// Compile and concatenate handlebars files for all chat styles.
gulp.task('chat-styles-handlebars', function() {
var promises = [];
fs.readdir(config.chatStylesPath, function(err, list){
if(err) return done(err);
list.filter(function(path){
return fs.lstatSync(config.chatStylesPath + "/" + path).isDirectory();
}).map(function(dir){
promises.push(new Promise(function(resolve, reject){
var pipeline = gulp.src(config.chatStylesPath + '/' + dir + '/templates_src/client_side/**/*.handlebars')
return getChildDirs(config.chatStylesPath)
.then(function (dirs) {
return Promise.all(dirs.map(function (dir) {
return new Promise(function(resolve, reject){
gulp.src(config.chatStylesPath + '/' + dir + '/templates_src/client_side/**/*.handlebars')
.pipe(handlebars({
// Use specific version of Handlebars.js
handlebars: handlebarsEngine
@ -202,44 +199,38 @@ gulp.task('chat-styles-handlebars', function() {
.pipe(concat('templates.js'))
.pipe(uglify({preserveComments: 'some'}))
.pipe(header(config.compiledTemplatesHeader))
.pipe(gulp.dest(config.chatStylesPath + '/' + dir + '/templates_compiled/client_side'));
pipeline.on('end', resolve);
pipeline.on('error', reject);
}));
.pipe(gulp.dest(config.chatStylesPath + '/' + dir + '/templates_compiled/client_side'))
.on('end', resolve)
.on('error', reject);
});
}));
});
});
// Compile and concatenate js files for all chat styles.
gulp.task('chat-styles-js', function() {
var promises = [];
fs.readdir(config.chatStylesPath, function(err, list){
if(err) return done(err);
list.filter(function(path){
return fs.lstatSync(config.chatStylesPath + "/" + path).isDirectory();
}).map(function(dir){
promises.push(new Promise(function(resolve, reject){
var pipeline = gulp.src(config.chatStylesPath + '/' + dir + '/js/source/**/*.js')
return getChildDirs(config.chatStylesPath)
.then(function (dirs) {
return Promise.all(dirs.map(function (dir) {
return new Promise(function(resolve, reject){
gulp.src(config.chatStylesPath + '/' + dir + '/js/source/**/*.js')
.pipe(concat('scripts.js'))
.pipe(uglify({preserveComments: 'some'}))
.pipe(gulp.dest(config.chatStylesPath + '/' + dir + '/js/compiled'));
pipeline.on('end', resolve);
pipeline.on('error', reject);
}));
.pipe(gulp.dest(config.chatStylesPath + '/' + dir + '/js/compiled'))
.on('end', resolve)
.on('error', reject);
});
}));
});
});
// Performs all job related with pages styles.
gulp.task('page-styles', function() {
var promises = [];
fs.readdir(config.pageStylesPath, function(err, list){
if(err) return done(err);
list.filter(function(path){
return fs.lstatSync(config.pageStylesPath + "/" + path).isDirectory();
}).map(function(dir){
promises.push(new Promise(function(resolve, reject){
var pipeline = gulp.src(config.pageStylesPath + '/' + dir + '/templates_src/client_side/**/*.handlebars')
return getChildDirs(config.pageStylesPath)
.then(function (dirs) {
return Promise.all(dirs.map(function (dir) {
return new Promise(function(resolve, reject){
gulp.src(config.pageStylesPath + '/' + dir + '/templates_src/client_side/**/*.handlebars')
.pipe(handlebars({
// Use specific version of Handlebars.js
handlebars: handlebarsEngine
@ -248,11 +239,11 @@ gulp.task('page-styles', function() {
.pipe(concat('templates.js'))
.pipe(uglify({preserveComments: 'some'}))
.pipe(header(config.compiledTemplatesHeader))
.pipe(gulp.dest(config.pageStylesPath + '/' + dir + '/templates_compiled/client_side'));
pipeline.on('end', resolve);
pipeline.on('error', reject);
}));
.pipe(gulp.dest(config.pageStylesPath + '/' + dir + '/templates_compiled/client_side'))
.on('end', resolve)
.on('error', reject);
});
}));
});
});
@ -509,3 +500,40 @@ var xgettextHandlebars = function() {
callback();
});
}
/**
* Retrieves list of all dirs which are placed in the specified one.
*
* @param {String} srcDir A dir where to search.
* @returns Promise A promise which will be resolved with list of child dirs or
* rejected with the occured error.
*/
var getChildDirs = function(srcDir) {
return (new Promise(function(resolve, reject) {
fs.readdir(srcDir, function (err, files) {
if (err) {
reject(err);
} else {
resolve(files);
}
});
})).then(function (files) {
// Replace all the files that are not a directory with nulls.
return Promise.all(files.map(function (file) {
return new Promise(function (resolve, reject) {
fs.lstat(config.chatStylesPath + '/' + file, function (err, stat) {
if (err) {
reject(err);
} else {
resolve(stat.isDirectory() ? file : null);
}
});
});
}));
}).then(function(dirs) {
// Remove all the nulls from the array.
return dirs.filter(function (dir) {
return null !== dir;
});
});
}