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@dwalkr

dwalkr/gulpfile.js

Created Mar 22, 2019
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/**
* This is an example gulpfile.js for orchestrating a Webpack build alongside the Hugo static site generator.
*
* This example assumes you already have Webpack installed and configured in your project.
*
* To get started, install Gulp and BrowserSync with the following command:
* npm install gulp browser-sync
*
* Then add this file to your project and name it gulpfile.js
*/
const gulp = require("gulp")
const webpack = require("webpack")
const webpackConfig = require('./webpack.config.js') // this should be the relative path to your Webpack config
const util = require('util')
const execFile = util.promisify(require('child_process').execFile)
const browserSync = require('browser-sync').create()
/**
* Run webpack to build assets as specified in webpack config
*/
function assets(cb) {
return new Promise((resolve, reject) => {
webpack(webpackConfig, (err, stats) => {
if (err) {
return reject(err)
}
if (stats.hasErrors()) {
return reject(new Error(stats.compilation.errors.join('\n')))
}
resolve()
})
})
}
/**
* returns a gulp task to run the ssg build depending on environment specified.
*
* @param string env production|development
*/
function ssg(env) {
if (env === 'production') {
return hugo = cb => execFile('hugo')
}
return hugo = cb => execFile('hugo', ['-D','-F'])
}
/**
* run dev server
*/
function serve(cb) {
browserSync.init({
server: "./public", // this should be the relative path to the location where your SSG builds the HTML
port: 8080,
host: "0.0.0.0" // bind to 0.0.0.0:8080 to work with Forestry's Instant Previews
}, cb)
}
function reload(cb) {
browserSync.reload()
cb()
}
function watch (cb) {
return gulp.watch(
'**/*', // watch everything...
{
ignored: [
// ...except for things generated by the build process.
'public/**/*',
'static/assets/**/*'
]
},
// when something changes, rebuild + reload
gulp.series(assets, ssg('development'), reload)
)
}
exports.build = gulp.series(assets, ssg('production'))
exports.develop = gulp.series(assets, ssg('development'), serve, watch)
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