# Changelog

## 0.5.12

* Implement `lunr.stopWordFilter` with an object instead of using `lunr.SortedSet` [#170](https://github.com/olivernn/lunr.js/pull/170), resulting in a performance boost for the text processing pipeline, thanks to [Brian Vaughn](https://github.com/bvaughn).
* Ensure that `lunr.trimmer` does not introduce empty tokens into the index, [#166](https://github.com/olivernn/lunr.js/pull/166), thanks to [janeisklar](https://github.com/janeisklar)

## 0.5.11

* Fix [bug](https://github.com/olivernn/lunr.js/issues/162) when using the unminified build of lunr in some project builds, thanks [Alessio Michelini](https://github.com/darkmavis1980)

## 0.5.10

* Fix bug in IDF calculation, thanks to [weixsong](https://github.com/weixsong) for discovering the issue.
* Documentation fixes [#111](https://github.com/olivernn/lunr.js/pull/111) thanks [Chris Van](https://github.com/cvan).
* Remove version from bower.json as it is not needed [#160](https://github.com/olivernn/lunr.js/pull/160), thanks [Kevin Kirsche](https://github.com/kkirsche)
* Fix link to augment.js on the home page [#159](https://github.com/olivernn/lunr.js/issues/159), thanks [Gábor Nádai](https://github.com/mefiblogger)

## 0.5.9

* Remove recursion from SortedSet#indexOf and SortedSet#locationFor to gain small performance gains in Index#search and Index#add
* Fix incorrect handling of non existant functions when adding/removing from a Pipeline [#146](https://github.com/olivernn/lunr.js/issues/146) thanks to [weixsong](https://github.com/weixsong)

## 0.5.8

* Fix typo when referencing Martin Porter's home page http://tartarus.org/~martin/ [#132](https://github.com/olivernn/lunr.js/pull/132) thanks [James Aylett](https://github.com/jaylett)
* Performance improvement for tokenizer [#139](https://github.com/olivernn/lunr.js/pull/139) thanks [Arun Srinivasan](https://github.com/satchmorun)
* Fix vector magnitude caching bug :flushed: [#142](https://github.com/olivernn/lunr.js/pull/142) thanks [Richard Poole](https://github.com/richardpoole)
* Fix vector insertion bug that prevented lesser ordered nodes to be inserted into a vector [#143](https://github.com/olivernn/lunr.js/pull/143) thanks [Richard Poole](https://github.com/richardpoole)
* Fix inefficient use of arguments in SortedSet add method, thanks to [Max Nordlund](https://github.com/maxnordlund).
* Fix deprecated use of path.exists in test server [#141](https://github.com/olivernn/lunr.js/pull/141) thanks [wei song](https://github.com/weixsong)

## 0.5.7

* Performance improvement for stemmer [#124](https://github.com/olivernn/lunr.js/pull/124) thanks [Tony Jacobs](https://github.com/tony-jacobs)

## 0.5.6

* Performance improvement when add documents to the index [#114](https://github.com/olivernn/lunr.js/pull/114) thanks [Alex Holmes](https://github.com/alex2)

## 0.5.5

* Fix bug in tokenizer introduced in 0.5.4 [#101](https://github.com/olivernn/lunr.js/pull/101) thanks [Nolan Lawson](https://github.com/nolanlawson)

## 0.5.4

* Tokenizer also splits on hyphens [#98](https://github.com/olivernn/lunr.js/pull/98/files) thanks [Nolan Lawson](https://github.com/nolanlawson)

## 0.5.3

* Correctly stem words ending with the letter 'y' [#84](https://github.com/olivernn/lunr.js/pull/84) thanks [Mihai Valentin](https://github.com/MihaiValentin)
* Improve build tools and dev dependency installation [#78](https://github.com/olivernn/lunr.js/pull/78) thanks [Ben Pickles](https://github.com/benpickles)

## 0.5.2

* Use npm they said, it'll be easy they said.

## 0.5.1

* Because [npm issues](https://github.com/olivernn/lunr.js/issues/77) :(

## 0.5.0

* Add plugin support to enable i18n and other extensions to lunr.
* Add AMD support [#72](https://github.com/olivernn/lunr.js/issues/72) thanks [lnwdr](https://github.com/lnwdr).
* lunr.Vector now implemented using linked lists for better performance especially in indexes with large numbers of unique tokens.
* Build system clean up.

## 0.4.5

* Fix performance regression introduced in 0.4.4 by fixing #64.

## 0.4.4

* Fix bug [#64](https://github.com/olivernn/lunr.js/issues/64) idf cache should handle tokens with the same name as object properties, thanks [gitgrimbo](https://github.com/gitgrimbo).
* Intersperse source files with a semicolon as part of the build process, fixes [#61](https://github.com/olivernn/lunr.js/issues/61), thanks [shyndman](https://github.com/shyndman).

## 0.4.3

* Fix bug [#49](https://github.com/olivernn/lunr.js/issues/49) tokenizer should handle null and undefined as arguments, thanks [jona](https://github.com/jona).

## 0.4.2

* Fix bug [#47](https://github.com/olivernn/lunr.js/issues/47) tokenizer converts its input to a string before trying to split it into tokens, thanks [mikhailkozlov](https://github.com/mikhailkozlov).

## 0.4.1

* Fix bug [#41](https://github.com/olivernn/lunr.js/issues/41) that caused issues when indexing mixed case tags, thanks [Aptary](https://github.com/Aptary)

## 0.4.0

* Add index mutation events ('add', 'update' and 'remove').
* Performance improvements to searching.
* Penalise non-exact matches so exact matches are better ranked than expanded matches.

## 0.3.3

* Fix bug [#32](https://github.com/olivernn/lunr.js/pull/32) which prevented lunr being used where a `console` object is not present, thanks [Tony Marklove](https://github.com/jjbananas) and [wyuenho](https://github.com/wyuenho)

## 0.3.2

* Fix bug [#27](https://github.com/olivernn/lunr.js/pull/27) when trying to calculate tf with empty fields, thanks [Gambhiro](https://github.com/gambhiro)

## 0.3.1

* Fix bug [#24](https://github.com/olivernn/lunr.js/pull/24) that caused an error when trying to remove a non-existant document from the index, thanks [Jesús Leganés Combarro](https://github.com/piranna)

## 0.3.0

* Implement [JSON serialisation](https://github.com/olivernn/lunr.js/pull/14), allows indexes to be loaded and dumped, thanks [ssured](https://github.com/ssured).
* Performance improvements to searching and indexing.
* Fix bug [#15](https://github.com/olivernn/lunr.js/pull/15) with tokeniser that added stray empty white space to the index, thanks [ssured](https://github.com/ssured).

## 0.2.3

* Fix issue with searching for a term not in the index [#12](https://github.com/olivernn/lunr.js/issues/12), thanks [mcnerthney](https://github.com/mcnerthney) and [makoto](https://github.com/makoto)

## 0.2.2

* Boost exact term matches so they are better ranked than expanded term matches, fixes [#10](https://github.com/olivernn/lunr.js/issues/10), thanks [ssured](https://github.com/ssured)

## 0.2.1

* Changes to the build process.
* Add component.json and package.json
* Add phantomjs test runner
* Remove redundant attributes
* Many [spelling corrections](https://github.com/olivernn/lunr.js/pull/8), thanks [Pascal Borreli](https://github.com/pborreli)