The hjsmin package

[Tags:bsd3, library, program]

Reduces size of javascript files by stripping out extraneous whitespace and other syntactic elements, without changing the semantics.

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Versions 0.0.1, 0.0.2, 0.0.3, 0.0.4, 0.0.5, 0.0.6, 0.0.7, 0.0.8, 0.0.9, 0.0.11, 0.0.12, 0.0.13, 0.0.14, 0.0.15, 0.0.16, 0.1.0, 0.1.1, 0.1.2, 0.1.3, 0.1.4,,,,,,,,,,,,,,,,
Dependencies base (==4.*), blaze-builder (>=0.2 && <1), bytestring (==0.9.*), containers (>=0.2 && <0.5), HUnit, language-javascript (>=0.4.4 && <0.5), QuickCheck (==2.*), test-framework, test-framework-hunit, text (>=0.8 && <1) [details]
License BSD3
Author Alan Zimmerman <>
Maintainer Alan Zimmerman <>
Category Web
Home page
Bug tracker
Source repository head: git clone git://
Uploaded Sun Apr 3 21:08:25 UTC 2011 by AlanZimmerman
Distributions Arch:, Debian:, Fedora:, FreeBSD:, LTSHaskell:, NixOS:, Stackage:, Tumbleweed:
Downloads 29576 total (113 in the last 30 days)
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Status Docs uploaded by user
Build status unknown [no reports yet]




buildtestsBuild the executable to run unit testsDisabledAutomatic

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Maintainer's Corner

For package maintainers and hackage trustees

Readme for hjsmin

Readme for hjsmin-0.0.14


Haskell implementation of a javascript minifier

It is intended to be used in conjunction with Hamlet, part of Yesod.

As such, much of the structure of the package is shamelessly copied from Hamlet.


How to build


cabal clean && cabal configure && cabal build


cabal clean && cabal configure -fbuildtests && cabal build

Running the tests



0.0.14 - Allow unicode characters in comments

0.0.13 - Error in parsing numbers with zeros before decimal point

0.0.12 - Worked in Michael Snoyman's fix for unicode output

0.0.11 - Worked in language-javascript 0.4.*, with source locations in the AST Worked in processing of property get/set in object literals 0.0.10 - Removed attoparsec dependency and historical Parse/Token