Minification (programming): Difference between revisions

Revision as of 21:43, 29 January 2023

Revision as of 21:46, 25 February 2023

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==History==

In 2001 [[Douglas Crockford]] introduced '''JSMin''',<ref>{{Cite web |title=JSMin: The JavaScript Minifier |url=https://www.crockford.com/javascript/jsmin.html |website=Crockford.com |date=11 September 2001 |first=Douglas |last=Crockford |publisher=[[WP:SPS|Self-published]]|archive-url=https://web.archive.org/web/20020405140416/https://www.crockford.com/javascript/jsmin.html |archive-date=5 April 2002 }}</ref> which removed comments and whitespace from JavaScript code.<ref name=":1">{{Cite web |url = https://webplatform.github.io/docs/concepts/programming/javascript/minification/ |title = Code minification |website = webplatform.github.io |publisher=The WebPlatform Project |url-status = live |archive-url = https://web.archive.org/web/20160424125048/https://docs.webplatform.org/wiki/concepts/programming/javascript/minification |archive-date = 24 April 2016}}</ref> It was followed by '''YUI Compressor''' in 2007.<ref name=":1"/> In 2009, Google opened up its Closure toolkit, including '''Closure Compiler''' which contained a source mapping feature together with a Firefox extension called Closure Inspector.<ref>{{Cite web |url=https://arstechnica.com/information-technology/2009/11/google-opens-up-its-javascript-development-toolbox-to-all/ |title=Google opens up its JavaScript development toolbox to all |website=[[Ars Technica]] |first=Ryan |last=Paul |date=6 November 2009}}</ref> In 2010, Mihai Bazon introduced [[wikidata:Q116250477|'''UglifyJS''']]<!--Q116250477-->, which was superseded by UglifyJS2 in 2012; the rewrite was to allow for source map support.<ref>{{Cite web |url=http://lisperator.net/blog/should-you-switch-to-uglifyjs2/ |title=Should you switch to UglifyJS2? |last=Bazon |first=Mihai |website=lisperator.net |date=8 November 2012 |publisher=[[WP:SPS|Self-published]]}}</ref> From 2017, Alex Lam took over maintenance and development of UglifyJS2, replacing it with UglifyJS3 which unified the CLI with the API.<ref>{{Cite web |url=https://www.npmjs.com/package/uglify-js/v/3.0.0 |title=uglify-js NPM |website=npmjs.com }}</ref> In 2018, [[wikidata:Q95961419|'''Terser''']]<!--Q95961419--> has been forked from uglify-es<ref>{{Cite web |title=terser · JavaScript mangler and compressor toolkit for ES6+ |url=https://terser.org/ |access-date=2023-01-29 |website=terser.org}}</ref><ref>https://github.com//terser/commit/3ef6879ecafd12b57e575ec85e6104e71d5a1b6f</ref> and has gained momentum since; in 2020 it outstripped UglifyJS when measured in daily downloads.<ref>https://npmtrends.com/terser-vs-uglify-js</ref>

==Source mapping==