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// ## Globals

var argv = require('minimist')(process.argv.slice(2));

var autoprefixer = require('gulp-autoprefixer');

var browserSync = require('browser-sync').create();

var changed = require('gulp-changed');

var concat = require('gulp-concat');

var flatten = require('gulp-flatten');

var gulp = require('gulp');

var gulpif = require('gulp-if');

var imagemin = require('gulp-imagemin');

var jshint = require('gulp-jshint');

var lazypipe = require('lazypipe');

var less = require('gulp-less');

var merge = require('merge-stream');

var minifyCss = require('gulp-minify-css');

var plumber = require('gulp-plumber');

var rev = require('gulp-rev');

var runSequence = require('run-sequence');

var sass = require('gulp-sass');

var sourcemaps = require('gulp-sourcemaps');

var uglify = require('gulp-uglify');

var uncss = require('gulp-uncss');

var exec = require('gulp-exec');

// See https://github.com/austinpray/asset-builder

var manifest = require('asset-builder')('./assets/manifest.json');

// `path` - Paths to base asset directories. With trailing slashes.

// - `path.source` - Path to the source files. Default: `assets/`

// - `path.dist` - Path to the build directory. Default: `dist/`

var path = manifest.paths;

// `config` - Store arbitrary configuration values here.

var config = manifest.config || {};

// `globs` - These ultimately end up in their respective `gulp.src`.

// - `globs.js` - Array of asset-builder JS dependency objects. Example:

// ```

// {type: 'js', name: 'main.js', globs: []}

// ```

// - `globs.css` - Array of asset-builder CSS dependency objects. Example:

// ```

// {type: 'css', name: 'main.css', globs: []}

// ```

// - `globs.fonts` - Array of font path globs.

// - `globs.images` - Array of image path globs.

// - `globs.bower` - Array of all the main Bower files.

var globs = manifest.globs;

// `project` - paths to first-party assets.

// - `project.js` - Array of first-party JS assets.

// - `project.css` - Array of first-party CSS assets.

var project = manifest.getProjectGlobs();

// CLI options

var enabled = {

// Enable static asset revisioning when `--production`

rev: argv.production,

// Disable source maps when `--production`

maps: !argv.production,

// Fail styles task on error when `--production`

failStyleTask: argv.production,

// Fail due to JSHint warnings only when `--production`

failJSHint: argv.production,

// Strip debug statments from javascript when `--production`

stripJSDebug: argv.production

stripJSDebug: argv.production,

// UnCSS when `--production`

unCss: argv.production

};

// Path to the compiled assets manifest in the dist directory

var revManifest = path.dist + 'assets.json';

// ## Reusable Pipelines

// See https://github.com/OverZealous/lazypipe

// ### CSS processing pipeline

// Example

// ```

// gulp.src(cssFiles)

// .pipe(cssTasks('main.css')

// .pipe(gulp.dest(path.dist + 'styles'))

// ```

var cssTasks = function(filename) {

return lazypipe()

.pipe(exec, 'curl --silent --output sitemap.json '+manifest.config.devUrl+'?show_sitemap')

.pipe(function() {

return gulpif(!enabled.failStyleTask, plumber());

})

.pipe(function() {

return gulpif(enabled.maps, sourcemaps.init());

})

.pipe(function() {

return gulpif('*.less', less());

})

.pipe(function() {

return gulpif('*.scss', sass({

outputStyle: 'nested', // libsass doesn't support expanded yet

precision: 10,

includePaths: ['.'],

errLogToConsole: !enabled.failStyleTask

}));

})

.pipe(concat, filename)

.pipe(function() {

return gulpif(enabled.unCss, uncss({

html: require('./sitemap.json')

}));

})

.pipe(autoprefixer, {

browsers: [

'last 2 versions',

'ie 8',

'ie 9',

'android 2.3',

'android 4',

'opera 12'

]

})

.pipe(minifyCss, {

advanced: false,

rebase: false

})

.pipe(function() {

return gulpif(enabled.rev, rev());

})

.pipe(function() {

return gulpif(enabled.maps, sourcemaps.write('.', {

sourceRoot: 'assets/styles/'

}));

})();

};

// ### JS processing pipeline

// Example

// ```

// gulp.src(jsFiles)

// .pipe(jsTasks('main.js')

// .pipe(gulp.dest(path.dist + 'scripts'))

// ```

var jsTasks = function(filename) {

return lazypipe()

.pipe(function() {

return gulpif(enabled.maps, sourcemaps.init());

})

.pipe(concat, filename)

.pipe(uglify, {

compress: {

'drop_debugger': enabled.stripJSDebug

}

})

.pipe(function() {

return gulpif(enabled.rev, rev());

})

.pipe(function() {

return gulpif(enabled.maps, sourcemaps.write('.', {

sourceRoot: 'assets/scripts/'

}));

})();

};

// ### Write to rev manifest

// If there are any revved files then write them to the rev manifest.

// See https://github.com/sindresorhus/gulp-rev

var writeToManifest = function(directory) {

return lazypipe()

.pipe(gulp.dest, path.dist + directory)

.pipe(browserSync.stream, {match: '**/*.{js,css}'})

.pipe(rev.manifest, revManifest, {

base: path.dist,

merge: true

})

.pipe(gulp.dest, path.dist)();

};

// ## Gulp tasks

// Run `gulp -T` for a task summary

// ### Styles

// `gulp styles` - Compiles, combines, and optimizes Bower CSS and project CSS.

// By default this task will only log a warning if a precompiler error is

// raised. If the `--production` flag is set: this task will fail outright.

gulp.task('styles', ['wiredep'], function() {

var merged = merge();

manifest.forEachDependency('css', function(dep) {

var cssTasksInstance = cssTasks(dep.name);

if (!enabled.failStyleTask) {

cssTasksInstance.on('error', function(err) {

console.error(err.message);

this.emit('end');

});

}

merged.add(gulp.src(dep.globs, {base: 'styles'})

.pipe(cssTasksInstance));

});

return merged

.pipe(writeToManifest('styles'));

});

// ### Scripts

// `gulp scripts` - Runs JSHint then compiles, combines, and optimizes Bower JS

// and project JS.

gulp.task('scripts', ['jshint'], function() {

var merged = merge();

manifest.forEachDependency('js', function(dep) {

merged.add(

gulp.src(dep.globs, {base: 'scripts'})

.pipe(jsTasks(dep.name))

);

});

return merged

.pipe(writeToManifest('scripts'));

});

// ### Fonts

// `gulp fonts` - Grabs all the fonts and outputs them in a flattened directory

// structure. See: https://github.com/armed/gulp-flatten

gulp.task('fonts', function() {

return gulp.src(globs.fonts)

.pipe(flatten())

.pipe(gulp.dest(path.dist + 'fonts'))

.pipe(browserSync.stream());

});

// ### Images

// `gulp images` - Run lossless compression on all the images.

gulp.task('images', function() {

return gulp.src(globs.images)

.pipe(imagemin({

progressive: true,

interlaced: true,

svgoPlugins: [{removeUnknownsAndDefaults: false}, {cleanupIDs: false}]

}))

.pipe(gulp.dest(path.dist + 'images'))

.pipe(browserSync.stream());

});

// ### JSHint

// `gulp jshint` - Lints configuration JSON and project JS.

gulp.task('jshint', function() {

return gulp.src([

'bower.json', 'gulpfile.js'

].concat(project.js))

.pipe(jshint())

.pipe(jshint.reporter('jshint-stylish'))

.pipe(gulpif(enabled.failJSHint, jshint.reporter('fail')));

});

// ### Clean

// `gulp clean` - Deletes the build folder entirely.

gulp.task('clean', require('del').bind(null, [path.dist]));

// ### Watch

// `gulp watch` - Use BrowserSync to proxy your dev server and synchronize code

// changes across devices. Specify the hostname of your dev server at

// `manifest.config.devUrl`. When a modification is made to an asset, run the

// build step for that asset and inject the changes into the page.

// See: http://www.browsersync.io

gulp.task('watch', function() {

browserSync.init({

files: ['{lib,templates}/**/*.php', '*.php'],

proxy: config.devUrl,

snippetOptions: {

whitelist: ['/wp-admin/admin-ajax.php'],

blacklist: ['/wp-admin/**']

}

});

gulp.watch([path.source + 'styles/**/*'], ['styles']);

gulp.watch([path.source + 'scripts/**/*'], ['jshint', 'scripts']);

gulp.watch([path.source + 'fonts/**/*'], ['fonts']);

gulp.watch([path.source + 'images/**/*'], ['images']);

gulp.watch(['bower.json', 'assets/manifest.json'], ['build']);

});

// ### Build

// `gulp build` - Run all the build tasks but don't clean up beforehand.

// Generally you should be running `gulp` instead of `gulp build`.

gulp.task('build', function(callback) {

runSequence('styles',

'scripts',

['fonts', 'images'],

callback);

});

// ### Wiredep

// `gulp wiredep` - Automatically inject Less and Sass Bower dependencies. See

// https://github.com/taptapship/wiredep

gulp.task('wiredep', function() {

var wiredep = require('wiredep').stream;

return gulp.src(project.css)

.pipe(wiredep())

.pipe(changed(path.source + 'styles', {

hasChanged: changed.compareSha1Digest

}))

.pipe(gulp.dest(path.source + 'styles'));

});

// ### Gulp

// `gulp` - Run a complete build. To compile for production run `gulp --production`.

gulp.task('default', ['clean'], function() {

gulp.start('build');

});

Saved diffs

Original text

Open file

// ## Globals
var argv         = require('minimist')(process.argv.slice(2));
var autoprefixer = require('gulp-autoprefixer');
var browserSync  = require('browser-sync').create();
var changed      = require('gulp-changed');
var concat       = require('gulp-concat');
var flatten      = require('gulp-flatten');
var gulp         = require('gulp');
var gulpif       = require('gulp-if');
var imagemin     = require('gulp-imagemin');
var jshint       = require('gulp-jshint');
var lazypipe     = require('lazypipe');
var less         = require('gulp-less');
var merge        = require('merge-stream');
var minifyCss    = require('gulp-minify-css');
var plumber      = require('gulp-plumber');
var rev          = require('gulp-rev');
var runSequence  = require('run-sequence');
var sass         = require('gulp-sass');
var sourcemaps   = require('gulp-sourcemaps');
var uglify       = require('gulp-uglify');

// See https://github.com/austinpray/asset-builder
var manifest = require('asset-builder')('./assets/manifest.json');

// `path` - Paths to base asset directories. With trailing slashes.
// - `path.source` - Path to the source files. Default: `assets/`
// - `path.dist` - Path to the build directory. Default: `dist/`
var path = manifest.paths;

// `config` - Store arbitrary configuration values here.
var config = manifest.config || {};

// `globs` - These ultimately end up in their respective `gulp.src`.
// - `globs.js` - Array of asset-builder JS dependency objects. Example:
//   ```
//   {type: 'js', name: 'main.js', globs: []}
//   ```
// - `globs.css` - Array of asset-builder CSS dependency objects. Example:
//   ```
//   {type: 'css', name: 'main.css', globs: []}
//   ```
// - `globs.fonts` - Array of font path globs.
// - `globs.images` - Array of image path globs.
// - `globs.bower` - Array of all the main Bower files.
var globs = manifest.globs;

// `project` - paths to first-party assets.
// - `project.js` - Array of first-party JS assets.
// - `project.css` - Array of first-party CSS assets.
var project = manifest.getProjectGlobs();

// CLI options
var enabled = {
  // Enable static asset revisioning when `--production`
  rev: argv.production,
  // Disable source maps when `--production`
  maps: !argv.production,
  // Fail styles task on error when `--production`
  failStyleTask: argv.production,
  // Fail due to JSHint warnings only when `--production`
  failJSHint: argv.production,
  // Strip debug statments from javascript when `--production`
  stripJSDebug: argv.production
};

// Path to the compiled assets manifest in the dist directory
var revManifest = path.dist + 'assets.json';

// ## Reusable Pipelines
// See https://github.com/OverZealous/lazypipe

// ### CSS processing pipeline
// Example
// ```
// gulp.src(cssFiles)
//   .pipe(cssTasks('main.css')
//   .pipe(gulp.dest(path.dist + 'styles'))
// ```
var cssTasks = function(filename) {
  return lazypipe()
    .pipe(function() {
      return gulpif(!enabled.failStyleTask, plumber());
    })
    .pipe(function() {
      return gulpif(enabled.maps, sourcemaps.init());
    })
    .pipe(function() {
      return gulpif('*.less', less());
    })
    .pipe(function() {
      return gulpif('*.scss', sass({
        outputStyle: 'nested', // libsass doesn't support expanded yet
        precision: 10,
        includePaths: ['.'],
        errLogToConsole: !enabled.failStyleTask
      }));
    })
    .pipe(concat, filename)
    .pipe(autoprefixer, {
      browsers: [
        'last 2 versions',
        'ie 8',
        'ie 9',
        'android 2.3',
        'android 4',
        'opera 12'
      ]
    })
    .pipe(minifyCss, {
      advanced: false,
      rebase: false
    })
    .pipe(function() {
      return gulpif(enabled.rev, rev());
    })
    .pipe(function() {
      return gulpif(enabled.maps, sourcemaps.write('.', {
        sourceRoot: 'assets/styles/'
      }));
    })();
};

// ### JS processing pipeline
// Example
// ```
// gulp.src(jsFiles)
//   .pipe(jsTasks('main.js')
//   .pipe(gulp.dest(path.dist + 'scripts'))
// ```
var jsTasks = function(filename) {
  return lazypipe()
    .pipe(function() {
      return gulpif(enabled.maps, sourcemaps.init());
    })
    .pipe(concat, filename)
    .pipe(uglify, {
      compress: {
        'drop_debugger': enabled.stripJSDebug
      }
    })
    .pipe(function() {
      return gulpif(enabled.rev, rev());
    })
    .pipe(function() {
      return gulpif(enabled.maps, sourcemaps.write('.', {
        sourceRoot: 'assets/scripts/'
      }));
    })();
};

// ### Write to rev manifest
// If there are any revved files then write them to the rev manifest.
// See https://github.com/sindresorhus/gulp-rev
var writeToManifest = function(directory) {
  return lazypipe()
    .pipe(gulp.dest, path.dist + directory)
    .pipe(browserSync.stream, {match: '**/*.{js,css}'})
    .pipe(rev.manifest, revManifest, {
      base: path.dist,
      merge: true
    })
    .pipe(gulp.dest, path.dist)();
};

// ## Gulp tasks
// Run `gulp -T` for a task summary

// ### Styles
// `gulp styles` - Compiles, combines, and optimizes Bower CSS and project CSS.
// By default this task will only log a warning if a precompiler error is
// raised. If the `--production` flag is set: this task will fail outright.
gulp.task('styles', ['wiredep'], function() {
  var merged = merge();
  manifest.forEachDependency('css', function(dep) {
    var cssTasksInstance = cssTasks(dep.name);
    if (!enabled.failStyleTask) {
      cssTasksInstance.on('error', function(err) {
        console.error(err.message);
        this.emit('end');
      });
    }
    merged.add(gulp.src(dep.globs, {base: 'styles'})
      .pipe(cssTasksInstance));
  });
  return merged
    .pipe(writeToManifest('styles'));
});

// ### Scripts
// `gulp scripts` - Runs JSHint then compiles, combines, and optimizes Bower JS
// and project JS.
gulp.task('scripts', ['jshint'], function() {
  var merged = merge();
  manifest.forEachDependency('js', function(dep) {
    merged.add(
      gulp.src(dep.globs, {base: 'scripts'})
        .pipe(jsTasks(dep.name))
    );
  });
  return merged
    .pipe(writeToManifest('scripts'));
});

// ### Fonts
// `gulp fonts` - Grabs all the fonts and outputs them in a flattened directory
// structure. See: https://github.com/armed/gulp-flatten
gulp.task('fonts', function() {
  return gulp.src(globs.fonts)
    .pipe(flatten())
    .pipe(gulp.dest(path.dist + 'fonts'))
    .pipe(browserSync.stream());
});

// ### Images
// `gulp images` - Run lossless compression on all the images.
gulp.task('images', function() {
  return gulp.src(globs.images)
    .pipe(imagemin({
      progressive: true,
      interlaced: true,
      svgoPlugins: [{removeUnknownsAndDefaults: false}, {cleanupIDs: false}]
    }))
    .pipe(gulp.dest(path.dist + 'images'))
    .pipe(browserSync.stream());
});

// ### JSHint
// `gulp jshint` - Lints configuration JSON and project JS.
gulp.task('jshint', function() {
  return gulp.src([
    'bower.json', 'gulpfile.js'
  ].concat(project.js))
    .pipe(jshint())
    .pipe(jshint.reporter('jshint-stylish'))
    .pipe(gulpif(enabled.failJSHint, jshint.reporter('fail')));
});

// ### Clean
// `gulp clean` - Deletes the build folder entirely.
gulp.task('clean', require('del').bind(null, [path.dist]));

// ### Watch
// `gulp watch` - Use BrowserSync to proxy your dev server and synchronize code
// changes across devices. Specify the hostname of your dev server at
// `manifest.config.devUrl`. When a modification is made to an asset, run the
// build step for that asset and inject the changes into the page.
// See: http://www.browsersync.io
gulp.task('watch', function() {
  browserSync.init({
    files: ['{lib,templates}/**/*.php', '*.php'],
    proxy: config.devUrl,
    snippetOptions: {
      whitelist: ['/wp-admin/admin-ajax.php'],
      blacklist: ['/wp-admin/**']
    }
  });
  gulp.watch([path.source + 'styles/**/*'], ['styles']);
  gulp.watch([path.source + 'scripts/**/*'], ['jshint', 'scripts']);
  gulp.watch([path.source + 'fonts/**/*'], ['fonts']);
  gulp.watch([path.source + 'images/**/*'], ['images']);
  gulp.watch(['bower.json', 'assets/manifest.json'], ['build']);
});

// ### Build
// `gulp build` - Run all the build tasks but don't clean up beforehand.
// Generally you should be running `gulp` instead of `gulp build`.
gulp.task('build', function(callback) {
  runSequence('styles',
              'scripts',
              ['fonts', 'images'],
              callback);
});

// ### Wiredep
// `gulp wiredep` - Automatically inject Less and Sass Bower dependencies. See
// https://github.com/taptapship/wiredep
gulp.task('wiredep', function() {
  var wiredep = require('wiredep').stream;
  return gulp.src(project.css)
    .pipe(wiredep())
    .pipe(changed(path.source + 'styles', {
      hasChanged: changed.compareSha1Digest
    }))
    .pipe(gulp.dest(path.source + 'styles'));
});

// ### Gulp
// `gulp` - Run a complete build. To compile for production run `gulp --production`.
gulp.task('default', ['clean'], function() {
  gulp.start('build');
});

Changed text

Open file

// ## Globals
var argv         = require('minimist')(process.argv.slice(2));
var autoprefixer = require('gulp-autoprefixer');
var browserSync  = require('browser-sync').create();
var changed      = require('gulp-changed');
var concat       = require('gulp-concat');
var flatten      = require('gulp-flatten');
var gulp         = require('gulp');
var gulpif       = require('gulp-if');
var imagemin     = require('gulp-imagemin');
var jshint       = require('gulp-jshint');
var lazypipe     = require('lazypipe');
var less         = require('gulp-less');
var merge        = require('merge-stream');
var minifyCss    = require('gulp-minify-css');
var plumber      = require('gulp-plumber');
var rev          = require('gulp-rev');
var runSequence  = require('run-sequence');
var sass         = require('gulp-sass');
var sourcemaps   = require('gulp-sourcemaps');
var uglify       = require('gulp-uglify');
var uncss        = require('gulp-uncss');
var exec         = require('gulp-exec');

// See https://github.com/austinpray/asset-builder
var manifest = require('asset-builder')('./assets/manifest.json');

// `path` - Paths to base asset directories. With trailing slashes.
// - `path.source` - Path to the source files. Default: `assets/`
// - `path.dist` - Path to the build directory. Default: `dist/`
var path = manifest.paths;

// `config` - Store arbitrary configuration values here.
var config = manifest.config || {};

// `globs` - These ultimately end up in their respective `gulp.src`.
// - `globs.js` - Array of asset-builder JS dependency objects. Example:
//   ```
//   {type: 'js', name: 'main.js', globs: []}
//   ```
// - `globs.css` - Array of asset-builder CSS dependency objects. Example:
//   ```
//   {type: 'css', name: 'main.css', globs: []}
//   ```
// - `globs.fonts` - Array of font path globs.
// - `globs.images` - Array of image path globs.
// - `globs.bower` - Array of all the main Bower files.
var globs = manifest.globs;

// `project` - paths to first-party assets.
// - `project.js` - Array of first-party JS assets.
// - `project.css` - Array of first-party CSS assets.
var project = manifest.getProjectGlobs();

// CLI options
var enabled = {
  // Enable static asset revisioning when `--production`
  rev: argv.production,
  // Disable source maps when `--production`
  maps: !argv.production,
  // Fail styles task on error when `--production`
  failStyleTask: argv.production,
  // Fail due to JSHint warnings only when `--production`
  failJSHint: argv.production,
  // Strip debug statments from javascript when `--production`
  stripJSDebug: argv.production,
  // UnCSS when `--production`
  unCss: argv.production
};

// Path to the compiled assets manifest in the dist directory
var revManifest = path.dist + 'assets.json';

// ## Reusable Pipelines
// See https://github.com/OverZealous/lazypipe

// ### CSS processing pipeline
// Example
// ```
// gulp.src(cssFiles)
//   .pipe(cssTasks('main.css')
//   .pipe(gulp.dest(path.dist + 'styles'))
// ```
var cssTasks = function(filename) {
  return lazypipe()
    .pipe(exec, 'curl --silent --output sitemap.json '+manifest.config.devUrl+'?show_sitemap')
    .pipe(function() {
      return gulpif(!enabled.failStyleTask, plumber());
    })
    .pipe(function() {
      return gulpif(enabled.maps, sourcemaps.init());
    })
    .pipe(function() {
      return gulpif('*.less', less());
    })
    .pipe(function() {
      return gulpif('*.scss', sass({
        outputStyle: 'nested', // libsass doesn't support expanded yet
        precision: 10,
        includePaths: ['.'],
        errLogToConsole: !enabled.failStyleTask
      }));
    })
    .pipe(concat, filename)
    .pipe(function() {
      return gulpif(enabled.unCss, uncss({
        html: require('./sitemap.json')
      }));
    })
    .pipe(autoprefixer, {
      browsers: [
        'last 2 versions',
        'ie 8',
        'ie 9',
        'android 2.3',
        'android 4',
        'opera 12'
      ]
    })
    .pipe(minifyCss, {
      advanced: false,
      rebase: false
    })
    .pipe(function() {
      return gulpif(enabled.rev, rev());
    })
    .pipe(function() {
      return gulpif(enabled.maps, sourcemaps.write('.', {
        sourceRoot: 'assets/styles/'
      }));
    })();
};

// ### JS processing pipeline
// Example
// ```
// gulp.src(jsFiles)
//   .pipe(jsTasks('main.js')
//   .pipe(gulp.dest(path.dist + 'scripts'))
// ```
var jsTasks = function(filename) {
  return lazypipe()
    .pipe(function() {
      return gulpif(enabled.maps, sourcemaps.init());
    })
    .pipe(concat, filename)
    .pipe(uglify, {
      compress: {
        'drop_debugger': enabled.stripJSDebug
      }
    })
    .pipe(function() {
      return gulpif(enabled.rev, rev());
    })
    .pipe(function() {
      return gulpif(enabled.maps, sourcemaps.write('.', {
        sourceRoot: 'assets/scripts/'
      }));
    })();
};

// ### Write to rev manifest
// If there are any revved files then write them to the rev manifest.
// See https://github.com/sindresorhus/gulp-rev
var writeToManifest = function(directory) {
  return lazypipe()
    .pipe(gulp.dest, path.dist + directory)
    .pipe(browserSync.stream, {match: '**/*.{js,css}'})
    .pipe(rev.manifest, revManifest, {
      base: path.dist,
      merge: true
    })
    .pipe(gulp.dest, path.dist)();
};

// ## Gulp tasks
// Run `gulp -T` for a task summary

// ### Styles
// `gulp styles` - Compiles, combines, and optimizes Bower CSS and project CSS.
// By default this task will only log a warning if a precompiler error is
// raised. If the `--production` flag is set: this task will fail outright.
gulp.task('styles', ['wiredep'], function() {
  var merged = merge();
  manifest.forEachDependency('css', function(dep) {
    var cssTasksInstance = cssTasks(dep.name);
    if (!enabled.failStyleTask) {
      cssTasksInstance.on('error', function(err) {
        console.error(err.message);
        this.emit('end');
      });
    }
    merged.add(gulp.src(dep.globs, {base: 'styles'})
      .pipe(cssTasksInstance));
  });
  return merged
    .pipe(writeToManifest('styles'));
});

// ### Scripts
// `gulp scripts` - Runs JSHint then compiles, combines, and optimizes Bower JS
// and project JS.
gulp.task('scripts', ['jshint'], function() {
  var merged = merge();
  manifest.forEachDependency('js', function(dep) {
    merged.add(
      gulp.src(dep.globs, {base: 'scripts'})
        .pipe(jsTasks(dep.name))
    );
  });
  return merged
    .pipe(writeToManifest('scripts'));
});

// ### Fonts
// `gulp fonts` - Grabs all the fonts and outputs them in a flattened directory
// structure. See: https://github.com/armed/gulp-flatten
gulp.task('fonts', function() {
  return gulp.src(globs.fonts)
    .pipe(flatten())
    .pipe(gulp.dest(path.dist + 'fonts'))
    .pipe(browserSync.stream());
});

// ### Images
// `gulp images` - Run lossless compression on all the images.
gulp.task('images', function() {
  return gulp.src(globs.images)
    .pipe(imagemin({
      progressive: true,
      interlaced: true,
      svgoPlugins: [{removeUnknownsAndDefaults: false}, {cleanupIDs: false}]
    }))
    .pipe(gulp.dest(path.dist + 'images'))
    .pipe(browserSync.stream());
});

// ### JSHint
// `gulp jshint` - Lints configuration JSON and project JS.
gulp.task('jshint', function() {
  return gulp.src([
    'bower.json', 'gulpfile.js'
  ].concat(project.js))
    .pipe(jshint())
    .pipe(jshint.reporter('jshint-stylish'))
    .pipe(gulpif(enabled.failJSHint, jshint.reporter('fail')));
});

// ### Clean
// `gulp clean` - Deletes the build folder entirely.
gulp.task('clean', require('del').bind(null, [path.dist]));

// ### Watch
// `gulp watch` - Use BrowserSync to proxy your dev server and synchronize code
// changes across devices. Specify the hostname of your dev server at
// `manifest.config.devUrl`. When a modification is made to an asset, run the
// build step for that asset and inject the changes into the page.
// See: http://www.browsersync.io
gulp.task('watch', function() {
  browserSync.init({
    files: ['{lib,templates}/**/*.php', '*.php'],
    proxy: config.devUrl,
    snippetOptions: {
      whitelist: ['/wp-admin/admin-ajax.php'],
      blacklist: ['/wp-admin/**']
    }
  });
  gulp.watch([path.source + 'styles/**/*'], ['styles']);
  gulp.watch([path.source + 'scripts/**/*'], ['jshint', 'scripts']);
  gulp.watch([path.source + 'fonts/**/*'], ['fonts']);
  gulp.watch([path.source + 'images/**/*'], ['images']);
  gulp.watch(['bower.json', 'assets/manifest.json'], ['build']);
});

// ### Build
// `gulp build` - Run all the build tasks but don't clean up beforehand.
// Generally you should be running `gulp` instead of `gulp build`.
gulp.task('build', function(callback) {
  runSequence('styles',
              'scripts',
              ['fonts', 'images'],
              callback);
});

// ### Wiredep
// `gulp wiredep` - Automatically inject Less and Sass Bower dependencies. See
// https://github.com/taptapship/wiredep
gulp.task('wiredep', function() {
  var wiredep = require('wiredep').stream;
  return gulp.src(project.css)
    .pipe(wiredep())
    .pipe(changed(path.source + 'styles', {
      hasChanged: changed.compareSha1Digest
    }))
    .pipe(gulp.dest(path.source + 'styles'));
});

// ### Gulp
// `gulp` - Run a complete build. To compile for production run `gulp --production`.
gulp.task('default', ['clean'], function() {
  gulp.start('build');
});