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gulpfile.js
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gulpfile.js
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// jshint node: true, esversion: 6
// Strict mode
'use strict';
// Core
const fs = require('fs');
// Modules
const contrast = require('contrast-color');
const del = require('del');
const gulp = require('gulp');
// Plugins
const autoprefixer = require('gulp-autoprefixer');
const concat = require('gulp-concat');
const csso = require('gulp-csso');
const filter = require('gulp-filter');
const plumber = require('gulp-plumber');
const rename = require('gulp-rename');
const sass = require('gulp-sass')(require('sass'));
const sourcemaps = require('gulp-sourcemaps');
const touch = require('gulp-touch-fd');
const uglify = require('gulp-uglify');
// Data
const sites = require('./data/sites.json');
// Configuration
const cssSrc = [
'./src/scss/**/*.scss'
];
const jsSrc = './src/js/**/*.js';
const jsAdminSrc = './src/admin-js/**/*.js';
const cssDest = './dist/css';
const jsDest = './dist/js';
const jsAdminDest = './dist/admin-js';
const cssCacheDir = './cache/scss';
// Tasks
function cssClean() {
return del(cssDest);
}
function jsClean() {
return del(jsDest);
}
function jsAdminClean() {
return del(jsAdminDest);
}
function cssBuild() {
// Assemble Sass variables from JSON site data.
let bgColors = [];
let fgColors = [];
let bgList = '';
let fgList = '';
let bgItems = [];
let fgItems = [];
let output = '';
for (let site in sites) {
let bgName = `${site}-color`;
let fgName = `${site}-contrast-color`;
let bgColor = sites[site].color;
let fgColor = contrast.contrastColor({bgColor: bgColor});
bgColors.push(`$${bgName}: ${bgColor};`);
fgColors.push(`$${fgName}: ${fgColor};`);
bgItems.push(`${site}: $${bgName}`);
fgItems.push(`${site}: $${fgName}`);
}
bgList = '$site-colors: (' + bgItems.join(', ') + ');';
fgList = '$site-contrast-colors: (' + fgItems.join(', ') + ');';
output = bgColors.join(' ') + fgColors.join(' ') + bgList + fgList;
// Create cache directory if it does not already exist.
if (!fs.existsSync(cssCacheDir)) {
fs.mkdirSync(cssCacheDir, {
recursive: true
});
}
// Write Sass variables.
fs.writeFileSync(cssCacheDir + '/_colors.scss', output);
// Compile CSS.
return gulp.src(cssSrc)
.pipe(plumber())
// Create map(s) and write uncompressed development version
.pipe(sourcemaps.init())
.pipe(sass.sync({
includePaths: ['.'],
quietDeps: true
}).on('error', sass.logError))
.pipe(autoprefixer())
.pipe(sourcemaps.write('.'))
.pipe(gulp.dest(cssDest))
.pipe(touch())
// Remove map(s) and write compressed production version
.pipe(filter('**/*.css'))
.pipe(rename({suffix: '.min'}))
.pipe(csso())
.pipe(gulp.dest(cssDest))
.pipe(touch());
}
function jsBuild() {
return gulp.src(jsSrc)
.pipe(plumber())
// Create map(s) and write uncompressed development version
.pipe(sourcemaps.init())
.pipe(concat('script.js'))
.pipe(sourcemaps.write('.'))
.pipe(gulp.dest(jsDest))
.pipe(touch())
// Remove map(s) and write compressed production version
.pipe(filter('**/*.js'))
.pipe(rename({suffix: '.min'}))
.pipe(uglify())
.pipe(gulp.dest(jsDest))
.pipe(touch());
}
function jsAdminBuild() {
return gulp.src(jsAdminSrc)
.pipe(plumber())
// Create map(s) and write uncompressed development version
.pipe(sourcemaps.init())
.pipe(concat('script.js'))
.pipe(sourcemaps.write('.'))
.pipe(gulp.dest(jsDest))
.pipe(touch())
// Remove map(s) and write compressed production version
.pipe(filter('**/*.js'))
.pipe(rename({suffix: '.min'}))
.pipe(uglify())
.pipe(gulp.dest(jsAdminDest))
.pipe(touch());
}
const cssTask = gulp.series(cssClean, cssBuild);
const jsTask = gulp.series(jsClean, jsBuild);
const jsAdminTask = gulp.series(jsAdminClean, jsAdminBuild);
// Combined
function watch() {
gulp.watch(cssSrc, cssTask);
gulp.watch(jsSrc, jsTask);
gulp.watch(jsAdminSrc, jsAdminTask);
}
const build = gulp.parallel(cssTask, jsTask, jsAdminTask);
// Public
exports.default = build;
exports.watch = watch;