All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
* add --exclude-after-remap option for users who pre-instrument their codebase ([#697](https://github.com/istanbuljs/nyc/issues/697)) ([cdfdff3](https://github.com/istanbuljs/nyc/commit/cdfdff3))
* add option to hook vm.runInContext ([#680](https://github.com/istanbuljs/nyc/issues/680)) ([f04b7a9](https://github.com/istanbuljs/nyc/commit/f04b7a9))
* allow instrument-only to produce sourcemaps ([#674](https://github.com/istanbuljs/nyc/issues/674)) ([f31d7a6](https://github.com/istanbuljs/nyc/commit/f31d7a6))
* apply exclude logic before remapping coverage ([#667](https://github.com/istanbuljs/nyc/issues/667)) ([a10d478](https://github.com/istanbuljs/nyc/commit/a10d478))
* create temp directory when --no-clean flag is set [#663](https://github.com/istanbuljs/nyc/issues/663) ([#664](https://github.com/istanbuljs/nyc/issues/664)) ([3bd1527](https://github.com/istanbuljs/nyc/commit/3bd1527))
* remove excluded files from coverage before writing ([#649](https://github.com/istanbuljs/nyc/issues/649)) ([658dba4](https://github.com/istanbuljs/nyc/commit/658dba4))
### Features
* add possibility to filter coverage-maps ([#637](https://github.com/istanbuljs/nyc/issues/637)) ([dd40dc5](https://github.com/istanbuljs/nyc/commit/dd40dc5))
* allow cwd to be configured see [#620](https://github.com/istanbuljs/nyc/issues/620) ([0dcceda](https://github.com/istanbuljs/nyc/commit/0dcceda))
* add support for per file coverage checking ([#591](https://github.com/istanbuljs/nyc/issues/591)) ([bbadc1f](https://github.com/istanbuljs/nyc/commit/bbadc1f))
* upgrade to version of spawn-wrap that supports .EXE ([#626](https://github.com/istanbuljs/nyc/issues/626)) ([8768afe](https://github.com/istanbuljs/nyc/commit/8768afe))
* update help link to list of reporters ([#601](https://github.com/istanbuljs/nyc/issues/601)) ([b1eb4d6](https://github.com/istanbuljs/nyc/commit/b1eb4d6))
* upgrade to spawn-wrap version that works with babel-register ([#617](https://github.com/istanbuljs/nyc/issues/617)) ([923b062](https://github.com/istanbuljs/nyc/commit/923b062))
* we should not create a cache folder if cache is false ([#567](https://github.com/istanbuljs/nyc/issues/567)) ([213206f](https://github.com/istanbuljs/nyc/commit/213206f))
* introduced a bug that resulted in source-maps not being loaded approriately on second test run ([#566](https://github.com/istanbuljs/nyc/issues/566)) ([1bf74fd](https://github.com/istanbuljs/nyc/commit/1bf74fd))
* source-maps were not being cached in the parent process when --all was being used ([#556](https://github.com/istanbuljs/nyc/issues/556)) ([ff73b18](https://github.com/istanbuljs/nyc/commit/ff73b18))
### Features
* add support for --no-clean, to disable deleting raw coverage output ([#558](https://github.com/istanbuljs/nyc/issues/558)) ([1887d1c](https://github.com/istanbuljs/nyc/commit/1887d1c))
* fix bug related to merging coverage reports see [#482](https://github.com/istanbuljs/nyc/issues/482) ([81229a0](https://github.com/istanbuljs/nyc/commit/81229a0))
* revert defaulting to empty file-coverage report, this caused too many issues ([25aec77](https://github.com/istanbuljs/nyc/commit/25aec77))
### Features
* allow babel cache to be enabled ([#517](https://github.com/istanbuljs/nyc/issues/517)) ([98ebdff](https://github.com/istanbuljs/nyc/commit/98ebdff))
* exclude the coverage/ folder by default 🚀 ([#502](https://github.com/istanbuljs/nyc/issues/502)) ([50adde4](https://github.com/istanbuljs/nyc/commit/50adde4))
* upgrade to version of yargs with extend support ([#541](https://github.com/istanbuljs/nyc/issues/541)) ([95cc09a](https://github.com/istanbuljs/nyc/commit/95cc09a))
* fix bug related to merging coverage reports see [#482](https://github.com/istanbuljs/nyc/issues/482) ([81229a0](https://github.com/istanbuljs/nyc/commit/81229a0))
* address edge-cases related to --all when instrumentation is disabled ([#482](https://github.com/istanbuljs/nyc/issues/482)) ([8c58d68](https://github.com/istanbuljs/nyc/commit/8c58d68))
* pass configuration options to --check-coverage ([#483](https://github.com/istanbuljs/nyc/issues/483)) ([1022b16](https://github.com/istanbuljs/nyc/commit/1022b16))
### Features
* allow eager instantiation of instrumenter ([#490](https://github.com/istanbuljs/nyc/issues/490)) ([8b58c05](https://github.com/istanbuljs/nyc/commit/8b58c05))
* reporting watermarks can now be set in nyc config stanza ([#469](https://github.com/istanbuljs/nyc/issues/469)) ([0a1d72a](https://github.com/istanbuljs/nyc/commit/0a1d72a))
* upgrade to istanbul-lib-instrument with support for 'const foo = function () {}' name preservation. upgrade to istanbul-lib-hook with fix for ts-node. ([#494](https://github.com/istanbuljs/nyc/issues/494)) ([d8d2de0](https://github.com/istanbuljs/nyc/commit/d8d2de0))
* upgrade to newer istanbul-lib-instrument, with fixes for inferred function names ([#479](https://github.com/istanbuljs/nyc/issues/479)) ([e01ec8c](https://github.com/istanbuljs/nyc/commit/e01ec8c))
* adds support for source-map production ([#439](https://github.com/istanbuljs/nyc/issues/439)) ([31488f5](https://github.com/istanbuljs/nyc/commit/31488f5))
* allow an alternate cache folder to be provided ([#443](https://github.com/istanbuljs/nyc/issues/443)) ([b6713a3](https://github.com/istanbuljs/nyc/commit/b6713a3))
* node_modules is again excluded by default when custom exclude is provided ([#442](https://github.com/istanbuljs/nyc/issues/442)) ([2828538](https://github.com/istanbuljs/nyc/commit/2828538))
### BREAKING CHANGES
* **/node_modules/** is again excluded by default.
* hot-fix bad release of nyc ([c487eb3](https://github.com/istanbuljs/nyc/commit/c487eb3))
* reverts _maybeInstrumentSource logic, so that exclude is still applied ([#429](https://github.com/istanbuljs/nyc/issues/429)) ([b90d26f](https://github.com/istanbuljs/nyc/commit/b90d26f))
* update core istanbul libraries ([#426](https://github.com/istanbuljs/nyc/issues/426)) ([4945dac](https://github.com/istanbuljs/nyc/commit/4945dac))
### Features
* coverage information is now returned for process tree ([#416](https://github.com/istanbuljs/nyc/issues/416)) ([92dedda](https://github.com/istanbuljs/nyc/commit/92dedda))
* read coverage header when using "noop" instrumenter ([#420](https://github.com/istanbuljs/nyc/issues/420)) ([63a8758](https://github.com/istanbuljs/nyc/commit/63a8758))
* swap to version of test-exclude that does not warn ([#410](https://github.com/istanbuljs/nyc/issues/410)) ([78aac45](https://github.com/istanbuljs/nyc/commit/78aac45))
* update istanbul-lib-source-maps to 1.0.2 ([#411](https://github.com/istanbuljs/nyc/issues/411)) ([9c89945](https://github.com/istanbuljs/nyc/commit/9c89945))
* add a feature which allows us to bust the cache when breaking changes are introduced ([#394](https://github.com/istanbuljs/nyc/issues/394)) ([b7a413a](https://github.com/istanbuljs/nyc/commit/b7a413a))
* add shim for check-coverage on node 0.10 ([#386](https://github.com/istanbuljs/nyc/issues/386)) ([9ebaea8](https://github.com/istanbuljs/nyc/commit/9ebaea8))
* upgrade to newer versions of source-map, signal-exit, and instrument ([#389](https://github.com/istanbuljs/nyc/issues/389)) ([a9bdf0f](https://github.com/istanbuljs/nyc/commit/a9bdf0f)), closes [#379](https://github.com/istanbuljs/nyc/issues/379)
### Features
* add support for .nycrc ([#391](https://github.com/istanbuljs/nyc/issues/391)) ([1c2349b](https://github.com/istanbuljs/nyc/commit/1c2349b))
* refactored config to fix precedence of config vs. args ([#388](https://github.com/istanbuljs/nyc/issues/388)) ([99dbbb3](https://github.com/istanbuljs/nyc/commit/99dbbb3)), closes [#379](https://github.com/istanbuljs/nyc/issues/379)
* upgrade standard, and a few other dependencies. fix standard nits ([#375](https://github.com/istanbuljs/nyc/issues/375)) ([64c68b7](https://github.com/istanbuljs/nyc/commit/64c68b7))
### Features
* gather process tree information ([#364](https://github.com/istanbuljs/nyc/issues/364)) ([fabe5f3](https://github.com/istanbuljs/nyc/commit/fabe5f3))
* serialization using ',' was breaking globs ([#353](https://github.com/bcoe/nyc/issues/353)) ([22929db](https://github.com/bcoe/nyc/commit/22929db))
### Features
* implicitly assume `node` when the command starts with an option ([#350](https://github.com/bcoe/nyc/issues/350)) ([2bb52cd](https://github.com/bcoe/nyc/commit/2bb52cd))
* make `nyc instrument` work in subdirectories ([#343](https://github.com/bcoe/nyc/issues/343)) ([a82cf49](https://github.com/bcoe/nyc/commit/a82cf49))
* upgrade to versions of coverage/instrument that solve out-of-bound errors ([#349](https://github.com/bcoe/nyc/issues/349)) ([bee0328](https://github.com/bcoe/nyc/commit/bee0328))
### Features
* upgrade to new test-exclude; with suppport for node_modules, and empty exclude ([#348](https://github.com/bcoe/nyc/issues/348)) ([d616ffc](https://github.com/bcoe/nyc/commit/d616ffc))
### BREAKING CHANGES
* node_modules is no longer automatically excluded, and an empty array of exclude rules can now be provided.
* make --all flag work with files with extensions other than .js ([#326](https://github.com/bcoe/nyc/issues/326)) ([d0a8674](https://github.com/bcoe/nyc/commit/d0a8674))
* work around for Windows path issue nodejs/node[#6624](https://github.com/bcoe/nyc/issues/6624) ([6b1fed0](https://github.com/bcoe/nyc/commit/6b1fed0))
### Features
* nyc no longer tries to run arguments passed to the instrumented bin ([#322](https://github.com/bcoe/nyc/issues/322)) ([e0a8c0b](https://github.com/bcoe/nyc/commit/e0a8c0b))
* use istanbul-lib-hook to wrap require and support vm hooks ([#308](https://github.com/bcoe/nyc/issues/308)) ([2b64cf8](https://github.com/bcoe/nyc/commit/2b64cf8))
* disable the babel/nyc cache ([#303](https://github.com/bcoe/nyc/issues/303)) ([104b3da](https://github.com/bcoe/nyc/commit/104b3da))
### Features
* adds instrument command line option ([#298](https://github.com/bcoe/nyc/issues/298)) ([e45b51b](https://github.com/bcoe/nyc/commit/e45b51b))
* nyc is being refactored to become the official Istanbul 1.0 bin ([#286](https://github.com/bcoe/nyc/issues/286)) ([61a05ea](https://github.com/bcoe/nyc/commit/61a05ea))
### BREAKING CHANGES
* significant chunks of nyc's API have been reworked, to use the Istanbul 1.0 API: source-map support, instrumentation, the check-coverage command, etc.
* add "instrument" option as alternative to specifying noop instrumenter ([#278](https://github.com/bcoe/nyc/issues/278)) ([ea028b9](https://github.com/bcoe/nyc/commit/ea028b9))
* discard more bad source map positions ([#255](https://github.com/bcoe/nyc/issues/255)) ([0838a0e](https://github.com/bcoe/nyc/commit/0838a0e))
* Update AppVeyor config with ~faster npm install ([#252](https://github.com/bcoe/nyc/issues/252)) ([df591f4](https://github.com/bcoe/nyc/commit/df591f4))
### Features
* make `__coverage__` the default approach we advocate for ES2015 coverage ([#268](https://github.com/bcoe/nyc/issues/268)) ([9fd2295](https://github.com/bcoe/nyc/commit/9fd2295))
* **update:** update strip-bom to version 3.0.0 ([#240](https://github.com/bcoe/nyc/issues/240))([24f55e7](https://github.com/bcoe/nyc/commit/24f55e7))
* upgrade spawn-wrap to version that works with new shelljs ([#242](https://github.com/bcoe/nyc/issues/242))([b16053c](https://github.com/bcoe/nyc/commit/b16053c))
* strip any duplicate extensions from --extension ([#237](https://github.com/bcoe/nyc/issues/237)) ([0946f82](https://github.com/bcoe/nyc/commit/0946f82))
* adds CLI integration testing, where there was no integration testing before. ([3403ca1](https://github.com/bcoe/nyc/commit/3403ca1))
### Features
* **cli:** --include and --exclude are now accepted as CLI options, thanks [@rpominov](https://github.com/rpominov) \o/ see [#207](https://github.com/bcoe/nyc/issues/207) ([f8a02b4](https://github.com/bcoe/nyc/commit/f8a02b4))
* **bundle dependencies:** start bundling dependencies, which should address some issues we have seen with ([6116077](https://github.com/bcoe/nyc/commit/6116077))
* **exit code:** use test program’s exit code even with `--check-coverage` ([00bbeb2](https://github.com/bcoe/nyc/commit/00bbeb2))
### Features
* **conventional changelog:** introducing conventional-changelog for changelog generation ([f594c5e](https://github.com/bcoe/nyc/commit/f594c5e))
* **exclude patterns:** introduces new exclude-patterns based on @kentcdodds' coding conventions. ([51b1777](https://github.com/bcoe/nyc/commit/51b1777))
* **update dependencies:** new foreground-child and spawn-wrap have landed \o/ ([1a0ad0b](https://github.com/bcoe/nyc/commit/1a0ad0b))
### v6.1.1 (2016/03/13 14:23 +7:00)
- [#194](https://github.com/bcoe/nyc/pull/194) hot-fix for --all with multiple extensions (@bcoe)
### v6.1.0 (2016/03/12 15:00 +7:00)
- [#191](https://github.com/bcoe/nyc/pull/191) upgrade to non-singleton verison of yargs (@bcoe)
- [#185](https://github.com/bcoe/nyc/pull/185) default to long-form option names so that they can be overridden in package.json (@rapzo)
- [#180](https://github.com/bcoe/nyc/pull/180) fix bug with findUp (@bcoe)
- [#178](https://github.com/bcoe/nyc/pull/178) --all should handle extensions other than .js. (@lloydcotten)
- [#114](https://github.com/bcoe/nyc/pull/114) Update to latest versions of tap, glob, rimraf (@isaacs)
- [#107](https://github.com/bcoe/nyc/pull/107) Get test-suite running on Windows (@bcoe)
### v5.0.1 (2015/12/14 09:09 -07:00)
- [#94](https://github.com/bcoe/nyc/pull/93) Windows failed if argument had no replace() method. (@bcoe)
### v5.0.0 (2015/12/09 11:03 -07:00)
- [#87](https://github.com/bcoe/nyc/pull/87) make spawn() work on Windows (@bcoe)
- [#84](https://github.com/bcoe/nyc/pull/84) glob based include/exclude of files (@Lalem001)
- [#78](https://github.com/bcoe/nyc/pull/78) improvements to sourcemap tests (@novemberborn)
- [#73](https://github.com/bcoe/nyc/pull/73) improvements to require tests (@novemberborn)
- [#65](https://github.com/bcoe/nyc/pull/65) significant improvements to require hooks (@novemberborn)
- [#64](https://github.com/bcoe/nyc/pull/64) upgrade Istanbul (@novemberborn)
### v4.0.0 (2015/11/29 10:13 -07:00)
- [#58](https://github.com/bcoe/nyc/pull/58) adds support for Babel (@bcoe)
### v3.2.2 (2015/09/11 22:02 -07:00)
- [#47](https://github.com/bcoe/nyc/pull/47) make the default exclude rules work on Windows (@bcoe)
- [#45](https://github.com/bcoe/nyc/pull/45) pull in patched versions of spawn-wrap and foreground-child, which support Windows (@bcoe)
- [#44](https://github.com/bcoe/nyc/pull/44) Adds --all option which adds 0% coverage reports for all files in project, regardless of whether code touches them (@ronkorving)
### v3.1.0 (2015/08/02 19:04 +00:00)
- [#38](https://github.com/bcoe/nyc/pull/38) fixes for windows spawning (@rmg)
### v3.0.1 (2015/07/25 20:51 +00:00)
- [#33](https://github.com/bcoe/nyc/pull/33) spawn istanbul in a way that is less likely to break npm@3.x (@bcoe)
### v3.0.0 (2015/06/28 19:49 +00:00)
- [#31](https://github.com/bcoe/nyc/pull/31) Combine instrumentation and reporting steps, based
- [#27](https://github.com/bcoe/nyc/pull/27) upgraded tap, and switched tests to using tap --coverage (@bcoe)
- [#25](https://github.com/bcoe/nyc/pull/25) support added for multiple reporters, thanks @jasisk! (@jasisk)
### v2.2.0 (2015/05/25 21:05 +00:00)
- [b2e4707](https://github.com/bcoe/nyc/commit/b2e4707ca16750fe274f61039baf1cabdd6b0149) change location of nyc_output to .nyc_output. Added note about coveralls comments. (@sindresorhus)
### v2.1.3 (2015/05/25 06:30 +00:00)
- [376e328](https://github.com/bcoe/nyc/commit/376e32871d2d65ca31e7d8ba691293ac3ba6117e) handle corrupt JSON files in nyc_output (@bcoe)
### v2.1.1 (2015/05/25 02:52 +00:00)
- [b39dec5](https://github.com/bcoe/nyc/commit/b39dec5a7fb9004be72d024d5d1df2984dd21a52) new signal-exit handles process.exit() in process.on('exit') (@isaacs)
- [d27794e](https://github.com/bcoe/nyc/commit/d27794e3c527ccf743501f328b9749f1bcf9cefe) got rid of nyc-report bin (@bcoe)
- [64c9824](https://github.com/bcoe/nyc/commit/64c98241db36331b611cf990343da40d5f45685a) added better documentation and CLI. (@bcoe)
### v1.4.1 (2015/05/16 19:23 +00:00)
- [ae05346](https://github.com/bcoe/nyc/commit/ae0534617a59c86905f1da290d067945bf7d1bb9) pulled in new version of signal-exit (@bcoe)
### v1.4.0 (2015/05/16 09:11 +00:00)
- [8ca6e16](https://github.com/bcoe/nyc/commit/8ca6e16f6ecb7fa488944cd00d84ae5d355345d2) pulled in signal-exit module (@bcoe)
### v1.3.0 (2015/05/15 15:56 +00:00)
- [0f701da](https://github.com/bcoe/nyc/commit/0f701da5aa3ad8a02872c4c6c8c37d0deb2c5877) pulled in new spawn-wrap, various bug fixes (@isaacs)
### v1.2.0 (2015/05/13 20:21 +00:00)
- [2611ba4](https://github.com/bcoe/nyc/commit/2611ba44f12a25c12c0f95a9bdcfbf905dbb070f) handle signals when writing coverage report (@bcoe)
### v1.1.3 (2015/05/11 18:31 +00:00)
- [8b362d6](https://github.com/bcoe/nyc/commit/8b362d600845722943c1da8213f0406d6b3a3874) istanbul has a text lcov report now \o/ (@bcoe)
### v1.1.2 (2015/05/11 06:52 +00:00)
- [48b21cf](https://github.com/bcoe/nyc/commit/48b21cf3b35f6d14d35ac9afdd423ead09a2368e) added coverage and build badges (@bcoe)
### v1.1.0 (2015/05/10 01:32 +00:00)
- [6c3f8a6](https://github.com/bcoe/nyc/commit/6c3f8a6147c376e87a22c4a72a1ab28ab4177349) pulled in @isaacs spawn-wrap module (@isaacs)
- [d8956f1](https://github.com/bcoe/nyc/commit/d8956f170f12a8a27cc3f7611f78230393bf105b) we now pass cwd around using the process.env.NYC_CWD variable (@bcoe)
