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/*******************************
* Build Task
*******************************/
const
gulp = require('gulp'),
// node dependencies
console = require('better-console'),
// gulp dependencies
autoprefixer = require('gulp-autoprefixer'),
chmod = require('gulp-chmod'),
concatCSS = require('gulp-concat-css'),
dedupe = require('gulp-dedupe'),
flatten = require('gulp-flatten'),
gulpif = require('gulp-if'),
header = require('gulp-header'),
less = require('gulp-less'),
minifyCSS = require('gulp-clean-css'),
normalize = require('normalize-path'),
plumber = require('gulp-plumber'),
print = require('gulp-print').default,
rename = require('gulp-rename'),
replace = require('gulp-replace'),
replaceExt = require('replace-ext'),
rtlcss = require('gulp-rtlcss'),
// config
config = require('./../config/user'),
docsConfig = require('./../config/docs'),
tasks = require('../config/tasks'),
install = require('../config/project/install'),
// shorthand
globs = config.globs,
assets = config.paths.assets,
banner = tasks.banner,
filenames = tasks.filenames,
comments = tasks.regExp.comments,
log = tasks.log,
settings = tasks.settings
;
/**
* Builds the css
* @param src
* @param type
* @param compress
* @param config
* @param opts
* @return {*}
*/
function build(src, type, compress, config, opts) {
let fileExtension;
if (type === 'rtl' && compress) {
fileExtension = settings.rename.rtlMinCSS;
} else if (type === 'rtl') {
fileExtension = settings.rename.rtlCSS;
} else if (compress) {
fileExtension = settings.rename.minCSS;
}
return gulp.src(src, opts)
.pipe(plumber(settings.plumber.less))
.pipe(less(settings.less))
.pipe(autoprefixer(settings.prefix))
.pipe(gulpif(type === 'rtl', rtlcss()))
.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(flatten())
.pipe(replace(config.paths.assets.source,
compress ? config.paths.assets.compressed : config.paths.assets.uncompressed))
.pipe(gulpif(compress, minifyCSS(settings.minify)))
.pipe(gulpif(fileExtension, rename(fileExtension)))
.pipe(gulpif(config.hasPermissions, chmod(config.parsedPermissions)))
.pipe(gulp.dest(compress ? config.paths.output.compressed : config.paths.output.uncompressed))
.pipe(print(log.created))
;
}
/**
* Packages the css files in dist
* @param {string} type - type of the css processing (none, rtl, docs)
* @param {boolean} compress - should the output be compressed
*/
function pack(type, compress) {
const output = type === 'docs' ? docsConfig.paths.output : config.paths.output;
const ignoredGlobs = type === 'rtl' ? globs.ignoredRTL + '.rtl.css' : globs.ignored + '.css';
let concatenatedCSS;
if (type === 'rtl') {
concatenatedCSS = compress ? filenames.concatenatedMinifiedRTLCSS : filenames.concatenatedRTLCSS;
} else {
concatenatedCSS = compress ? filenames.concatenatedMinifiedCSS : filenames.concatenatedCSS;
}
return gulp.src(output.uncompressed + '/**/' + globs.components + ignoredGlobs)
.pipe(plumber())
.pipe(dedupe())
.pipe(replace(assets.uncompressed, assets.packaged))
.pipe(concatCSS(concatenatedCSS, settings.concatCSS))
.pipe(gulpif(config.hasPermissions, chmod(config.parsedPermissions)))
.pipe(gulpif(compress, minifyCSS(settings.concatMinify)))
.pipe(header(banner, settings.header))
.pipe(gulp.dest(output.packaged))
.pipe(print(log.created))
;
}
function buildCSS(src, type, config, opts, callback) {
if (!install.isSetup()) {
console.error('Cannot build CSS files. Run "gulp install" to set-up Semantic');
callback();
return;
}
if (callback === undefined) {
callback = opts;
opts = config;
config = type;
type = src;
src = config.paths.source.definitions + '/**/' + config.globs.components + '.less';
}
const buildUncompressed = () => build(src, type, false, config, opts);
buildUncompressed.displayName = 'Building uncompressed CSS';
const buildCompressed = () => build(src, type, true, config, opts);
buildCompressed.displayName = 'Building compressed CSS';
const packUncompressed = () => pack(type, false);
packUncompressed.displayName = 'Packing uncompressed CSS';
const packCompressed = () => pack(type, true);
packCompressed.displayName = 'Packing compressed CSS';
gulp.parallel(
gulp.series(
buildUncompressed,
gulp.parallel(packUncompressed, packCompressed)
),
gulp.series(buildCompressed)
)(callback);
}
function rtlAndNormal(src, callback) {
if (callback === undefined) {
callback = src;
src = config.paths.source.definitions + '/**/' + config.globs.components + '.less';
}
const rtl = (callback) => buildCSS(src, 'rtl', config, {}, callback);
rtl.displayName = "CSS Right-To-Left";
const css = (callback) => buildCSS(src, 'default', config, {}, callback);
css.displayName = "CSS";
if (config.rtl === true || config.rtl === 'Yes') {
rtl(callback);
} else if (config.rtl === 'both') {
gulp.series(rtl, css)(callback);
} else {
css(callback);
}
}
function docs(src, callback) {
if (callback === undefined) {
callback = src;
src = config.paths.source.definitions + '/**/' + config.globs.components + '.less';
}
const func = (callback) => buildCSS(src, 'docs', config, {}, callback);
func.displayName = "CSS Docs";
func(callback);
}
// Default tasks
module.exports = rtlAndNormal;
// We keep the changed files in an array to call build with all of them at the same time
let timeout, files = [];
/**
* Watch changes in CSS files and call the correct build pipe
* @param type
* @param config
*/
module.exports.watch = function (type, config) {
const method = type === 'docs' ? docs : rtlAndNormal;
// Watch theme.config file
gulp.watch([
normalize(config.paths.source.config),
normalize(config.paths.source.site + '/**/site.variables'),
normalize(config.paths.source.themes + '/**/site.variables')
])
.on('all', function () {
// Clear timeout and reset files
timeout && clearTimeout(timeout);
files = [];
return gulp.series(method)();
});
// Watch any less / overrides / variables files
gulp.watch([
normalize(config.paths.source.definitions + '/**/*.less'),
normalize(config.paths.source.site + '/**/*.{overrides,variables}'),
normalize(config.paths.source.themes + '/**/*.{overrides,variables}')
])
.on('all', function (event, path) {
// We don't handle deleted files yet
if (event === 'unlink' || event === 'unlinkDir') {
return;
}
// Clear timeout
timeout && clearTimeout(timeout);
// Determine which LESS file has to be recompiled
let lessPath;
if(path.indexOf('site.variables') !== -1) {
return;
} else if (path.indexOf(config.paths.source.themes) !== -1) {
console.log('Change detected in packaged theme');
lessPath = replaceExt(path, '.less');
lessPath = lessPath.replace(tasks.regExp.theme, config.paths.source.definitions);
} else if (path.indexOf(config.paths.source.site) !== -1) {
console.log('Change detected in site theme');
lessPath = replaceExt(path, '.less');
lessPath = lessPath.replace(config.paths.source.site, config.paths.source.definitions);
} else {
console.log('Change detected in definition');
lessPath = path;
}
// Add file to internal changed files array
if (!files.includes(lessPath)) {
files.push(lessPath);
}
// Update timeout
timeout = setTimeout(() => {
// Copy files to build in another array
const buildFiles = [...files];
// Call method
gulp.series((callback) => method(buildFiles, callback))();
// Reset internal changed files array
files = [];
}, 1000);
});
};
// Expose build css method
module.exports.buildCSS = buildCSS;
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