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gulpfile.js
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gulpfile.js
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// Plugins
var gulp = require('gulp');
var pjson = require('./package.json');
var gutil = require('gulp-util');
var sass = require('gulp-sass');
var babel = require('gulp-babel');
var autoprefixer = require('gulp-autoprefixer');
var cssnano = require('gulp-cssnano');
var rename = require('gulp-rename');
var del = require('del');
var plumber = require('gulp-plumber');
var pixrem = require('gulp-pixrem');
var uglify = require('gulp-uglify');
var concat = require('gulp-concat');
var imagemin = require('gulp-imagemin');
var exec = require('child_process').exec;
var runSequence = require('run-sequence');
var browserSync = require('browser-sync').create();
var reload = browserSync.reload;
var pathsConfig = function (appName) {
// Relative paths function
this.app = "./" + (appName || pjson.name);
return {
app: this.app,
templates: this.app + '/templates',
sass: this.app + '/static/sass',
fonts: this.app + '/static/fonts',
images: this.app + '/static/aa',
js: this.app + '/static/js',
components: this.app + '/static/components',
dist: {
js: this.app + '/static/dist/js',
css: this.app + '/static/dist/css',
images: this.app + '/static/dist/images',
}
}
};
var sourcesConfig = function (paths) {
return {
js: [
paths.components + '/jquery/dist/jquery.js',
paths.components + '/uikit/js/uikit.js',
paths.js + '/**/*.js'
],
sass: [
paths.sass + '/*.scss'
],
images: [
paths.images + '/*'
],
fonts: []
}
};
var paths = pathsConfig('src');
var sources = sourcesConfig(paths);
////////////////////////////////
// Tasks
////////////////////////////////
// Clean task
gulp.task('clean', function () {
return del([paths.app + '/static/dist']);
});
// Styles autoprefixing and minification
gulp.task('styles', function() {
return gulp.src(sources.sass)
.pipe(sass().on('error', sass.logError))
.pipe(plumber()) // Checks for errors
.pipe(autoprefixer({browsers: ['last 2 version']})) // Adds vendor prefixes
.pipe(pixrem()) // add fallbacks for rem units
.pipe(gulp.dest(paths.dist.css))
.pipe(rename('app.min.css'))
.pipe(cssnano()) // Minifies the result
.pipe(gulp.dest(paths.dist.css));
});
// Javascript minification
gulp.task('scripts', function() {
return gulp.src(sources.js)
//.pipe(plumber()) // Checks for errors
.pipe(babel())
//.pipe(uglify()) // Minifies the js
.pipe(gulp.dest(paths.dist.js))
.pipe(concat('app.min.js')) // Concat files
.pipe(gulp.dest(paths.dist.js));
});
// Image compression
gulp.task('images', function () {
return gulp.src(sources.images)
.pipe(imagemin()) // Compresses PNG, JPEG, GIF and SVG images
.pipe(gulp.dest(paths.dist.images))
});
// Run Flask server
gulp.task('runServer', function () {
exec('flask run', function (err, stdout, stderr) {
console.log(stdout);
console.log(stderr);
});
});
// Browser sync server for live reload
gulp.task('browserSync', function () {
browserSync.init(
[paths.dist.css + "/*.css", paths.dist.js + "*.js", paths.templates + '/**/*.html'],
{
proxy: "localhost:5000"
}
);
});
// Watch for file changes
gulp.task('watch', function () {
gulp.watch(paths.sass + '/**/*.scss', ['styles']).on('change', reload);
gulp.watch(paths.js + '/**/*.js', ['scripts']).on("change", reload);
gulp.watch(paths.images + '/*', ['images']);
gulp.watch(paths.templates + '/**/*.html').on("change", reload);
});
// Build and compile all files
gulp.task('build', function () {
runSequence('clean', 'styles', 'scripts', 'images');
});
// Build all files and watches for changes
gulp.task('build:watch', ['build', 'watch']);
// Build all files, run the server, start BrowserSync and watch for file changes
gulp.task('default', function () {
runSequence('build', 'runServer', 'browserSync', 'watch');
});
// Build all files, start BrowserSync and watch for file changes (use it when you want to start Flask manually)
gulp.task('dev', function () {
runSequence('build', 'browserSync', 'watch');
});