Gulp.js: Difference between revisions

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{{Short description|Server-side JavaScript frameworkbuild tool}}

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{{Infobox software

| name = sssgulp

| logo = Gulp.js Logo.svg

| logo caption =

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| caption =

| other_names =

| author = Eric Schoffstall<ref name=":0">{{Cite book|title=Developing a Gulp Edge|publisher=Bleeding Edge Press|year=2014|isbn=978-1-939902-14-6|edition=1st|author1=Jed Mao |author2=Maximilian Schmitt |author3=Tomasz Stryjewski |author4=Cary Country Holt |author5=William Lubelski }}</ref>

| author = Eric Schoffstall

| developer = Blaine Bublitz, Eric Schoffstall

| released = {{Start date and age|2013|09|26|df=yes}}<ref>{{cite web | url=https://libraries.io/npm/gulp/versions | access-date=2020-12-31 | title=Release Date of Version 1.0.0}}</ref><!-- As per template guideline, this is the release date of version 1.0.0 -->

| ver layout =

| discontinued =

| latest release version = 45.0.20

| latest_release_date = {{Start date and age|20192024|0503|0629|df=yes}}<ref name="latest-releases">{{cite web | url=https://github.com/gulpjs/gulp/releases | access-date=2020-12-31 | title=Releases · gulpjs/gulp| website=[[GitHub]] }}</ref>

| latest preview version =

| latest preview date =

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'''gulp''' is an [[Open-source software|open-source]] [[JavaScript]] toolkit created by Eric Schoffstall<ref name=":0">{{Cite book|title=Developing a Gulp Edge|publisher=Bleeding Edge Press|year=2014|isbn=978-1-939902-14-6|edition=1st|author1=Jed Mao |author2=Maximilian Schmitt |author3=Tomasz Stryjewski |author4=Cary Country Holt |author5=William Lubelski }}</ref>, used as a streaming [[build system]] (similar to a more package-focused [[Make (software)|Make]]) in [[front-end web development]].

It is a task runner built on [[Node.js]] and [[npm (software)|npm]], used for automation of time-consuming and repetitive tasks involved in web development like [[Minification (programming)|minification]], concatenation, cache busting, [[unit testing]], [[Linting software|linting]], optimization, etc.<ref>{{cite web|url=https://www.smashingmagazine.com/2014/06/building-with-gulp/ |title=Building With Gulp – Smashing Magazine |website=Smashingmagazine.com |date=11 June 2014 |access-date=2016-12-14}}</ref>

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The subsequent image task optimizes images. <Code>gulp.src()</code> retrieves all the images with the extension .png, .gif or .jpg in the directory '''images-orig/'.''

<Code>.pipe(imagemin())</Code> channels the images found, through the optimization process and with <code>.pipe(gulp.dest())</code> the optimized images are saved to the '''images/' folder''. Without <code>gulp.dest()</code> the images would indeed be optimized, but are not stored.<ref>{{cite web |url=http://magazin.phlow.de/webdesign/gulp/ |title=Durchstarten mit Gulp.js – Websites optimieren, Arbeitsabläufe automatisieren |website=Magazin.phlow.de |date=2014-05-25 |access-date=2016-12-14 |archive-date=2017-06-16 |archive-url=https://web.archive.org/web/20170616233539/http://magazin.phlow.de/webdesign/gulp/ |url-status=dead }}</ref> Since the optimized images are stored to another folder, the original images remain unaltered.<ref name=":3">{{Cite book|title=Getting Started with Gulp|last=Maynard|first=Travis|publisher=Packt Publishing Ltd|year=2015|isbn=9781784393472}}</ref><syntaxhighlight lang="javascript">

// Images task

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