tasks/rtl/watch.js
/*******************************
Watch Task
*******************************/
let
gulp = require('gulp'),
// node deps
console = require('better-console'),
fs = require('fs'),
// gulp deps
autoprefixer = require('gulp-autoprefixer'),
chmod = require('gulp-chmod'),
clone = require('gulp-clone'),
gulpif = require('gulp-if'),
less = require('gulp-less'),
minifyCSS = require('gulp-clean-css'),
plumber = require('gulp-plumber'),
print = require('gulp-print').default,
rename = require('gulp-rename'),
replace = require('gulp-replace'),
rtlcss = require('gulp-rtlcss'),
uglify = require('gulp-uglify'),
replaceExt = require('replace-ext'),
// user config
config = require('../config/user'),
// task config
tasks = require('../config/tasks'),
install = require('../config/project/install'),
// shorthand
globs = config.globs,
assets = config.paths.assets,
output = config.paths.output,
source = config.paths.source,
banner = tasks.banner,
comments = tasks.regExp.comments,
log = tasks.log,
settings = tasks.settings,
watchRTL,
// individual watch tasks
watchCSS,
watchJS,
watchAssets,
watchCSSCallback,
watchJSCallback,
watchAssetsCallback
;
// add internal tasks (concat release)
require('../collections/internal')(gulp);
watchRTL = function(callback) {
if( !install.isSetup() ) {
console.error('Cannot watch files. Run "gulp install" to set-up Semantic');
return;
}
console.clear();
console.log('Watching source files for changes');
/*--------------
Watch CSS
---------------*/
gulp
.watch([
source.config,
source.definitions + '/**/*.less',
source.site + '/**/*.{overrides,variables}',
source.themes + '/**/*.{overrides,variables}'
], function(file) {
let
lessPath,
stream,
compressedStream,
uncompressedStream,
isDefinition,
isPackagedTheme,
isSiteTheme,
isConfig
;
// log modified file
gulp.src(file.path)
.pipe(print(log.modified))
;
/*--------------
Find Source
---------------*/
// recompile on *.override , *.variable change
isConfig = (file.path.indexOf('.config') !== -1);
isPackagedTheme = (file.path.indexOf(source.themes) !== -1);
isSiteTheme = (file.path.indexOf(source.site) !== -1);
isDefinition = (file.path.indexOf(source.definitions) !== -1);
if(isConfig) {
console.log('Change detected in theme config');
// cant tell which theme was changed in theme.config, rebuild all
gulp.start('build');
}
else if(isPackagedTheme) {
console.log('Change detected in packaged theme');
lessPath = lessPath.replace(tasks.regExp.theme, source.definitions);
lessPath = replaceExt(file.path, '.less');
}
else if(isSiteTheme) {
console.log('Change detected in site theme');
lessPath = lessPath.replace(source.site, source.definitions);
lessPath = replaceExt(file.path, '.less');
}
else if(isDefinition) {
console.log('Change detected in definition');
lessPath = replaceExt(file.path, '.less');
}
/*--------------
Create CSS
---------------*/
if( fs.existsSync(lessPath) ) {
// unified css stream
stream = gulp.src(lessPath)
.pipe(plumber())
.pipe(less(settings.less))
.pipe(replace(comments.variables.in, comments.variables.out))
.pipe(replace(comments.license.in, comments.license.out))
.pipe(replace(comments.large.in, comments.large.out))
.pipe(replace(comments.small.in, comments.small.out))
.pipe(replace(comments.tiny.in, comments.tiny.out))
.pipe(autoprefixer(settings.prefix))
.pipe(gulpif(config.hasPermission, chmod(config.permission)))
.pipe(rtlcss())
;
// use 2 concurrent streams from same pipe
uncompressedStream = stream.pipe(clone());
compressedStream = stream.pipe(clone());
uncompressedStream
.pipe(plumber())
.pipe(replace(assets.source, assets.uncompressed))
.pipe(rename(settings.rename.rtlCSS))
.pipe(gulp.dest(output.uncompressed))
.pipe(print(log.created))
.on('end', function() {
gulp.start('package uncompressed rtl css');
})
;
compressedStream
.pipe(plumber())
.pipe(replace(assets.source, assets.compressed))
.pipe(minifyCSS(settings.minify))
.pipe(rename(settings.rename.minCSS))
.pipe(rename(settings.rename.rtlMinCSS))
.pipe(gulp.dest(output.compressed))
.pipe(print(log.created))
.on('end', function() {
gulp.start('package compressed rtl css');
})
;
}
else {
console.log('Cannot find UI definition at path', lessPath);
}
})
;
/*--------------
Watch JS
---------------*/
gulp
.watch([
source.definitions + '/**/*.js'
], function(file) {
gulp.src(file.path)
.pipe(plumber())
.pipe(replace(comments.license.in, comments.license.out))
.pipe(gulpif(config.hasPermission, chmod(config.permission)))
.pipe(gulp.dest(output.uncompressed))
.pipe(print(log.created))
.pipe(uglify(settings.uglify))
.pipe(rename(settings.rename.minJS))
.pipe(gulp.dest(output.compressed))
.pipe(print(log.created))
.on('end', function() {
gulp.start('package compressed js');
gulp.start('package uncompressed js');
})
;
})
;
/*--------------
Watch Assets
---------------*/
// only copy assets that match component names (or their plural)
gulp
.watch([
source.themes + '/**/assets/**/' + globs.components + '?(s).*'
], function(file) {
// copy assets
gulp.src(file.path, { base: source.themes })
.pipe(gulpif(config.hasPermission, chmod(config.permission)))
.pipe(gulp.dest(output.themes))
.pipe(print(log.created))
;
})
;
};
/* Export with Metadata */
watchRTL.displayName = 'watch-rtl';
watchRTL.description = 'Watch files as RTL';
module.exports = watchRTL;