hexo-theme-sb/_gulp/favicon.js

Clean and simple theme for Hexo blog framework

const gulp = require('gulp')
const realFavicon = require('gulp-real-favicon')
const fs = require('fs')
const runSequence = require('run-sequence')

// Generate the icons. This task takes a few seconds to complete.
// You should run it at least once to create the icons. Then,
// you should run it whenever RealFaviconGenerator updates its
// package (see the check-for-favicon-update task below).
gulp.task('favicon:generate', done =>
  realFavicon.generateFavicon(global.config.favicon.realFaviconConfig, () => done()))

const parsedFaviconFile = fs.readFileSync(global.config.favicon.realFaviconConfig.markupFile)
const parsedFaviconData = JSON.parse(parsedFaviconFile)

// Inject the favicon markups in your HTML pages. You should run
// this task whenever you modify a page. You can keep this task
// as is or refactor your existing HTML pipeline.
gulp.task('favicon:inject', () => gulp.src([global.config.root + global.config.favicon.src])
  .pipe(realFavicon.injectFaviconMarkups(parsedFaviconData.favicon.html_code))
  .pipe(gulp.dest(global.config.root + global.config.favicon.dest)))

// Check for updates on RealFaviconGenerator (think: Apple has just
// released a new Touch icon along with the latest version of iOS).
// Run this task from time to time. Ideally, make it part of your
// continuous integration system.
gulp.task('favicon:update', done => realFavicon.checkForUpdates(parsedFaviconData.version))

gulp.task('favicon', callback => runSequence('favicon:generate', 'favicon:inject', callback))