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Changelog

All notable changes to this project will be documented in this file. See standard-version for commit guidelines.


15.0.0 (2019-10-07)


Features


rework collect-unknown-options into unknown-options-as-args, providing more comprehensive functionality (ef771ca)


BREAKING CHANGES


rework collect-unknown-options into unknown-options-as-args, providing more comprehensive functionality


14.0.0 (2019-09-06)


Bug Fixes


boolean arrays with default values (#185) (7d42572)
boolean now behaves the same as other array types (#184) (17ca3bd)
eatNargs() for 'opt.narg === 0' and boolean typed options (#188) (c5a1db0)
maybeCoerceNumber now takes precedence over coerce return value (#182) (2f26436)
take into account aliases when appending arrays from config object (#199) (f8a2d3f)


Features


add configuration option to "collect-unknown-options" (#181) (7909cc4)
maybeCoerceNumber() now takes into account arrays (#187) (31c204b)


BREAKING CHANGES


unless "parse-numbers" is set to "false", arrays of numeric strings are now parsed as numbers, rather than strings.
we have dropped the broken "defaulted" functionality; we would like to revisit adding this in the future.
maybeCoerceNumber now takes precedence over coerce return value (#182)


13.1.1 (2019-06-10)


Bug Fixes


convert values to strings when tokenizing (#167) (57b7883)
nargs should allow duplicates when duplicate-arguments-array=false (#164) (47ccb0b)
should populate "_" when given config with "short-option-groups" false (#179) (6055974)


13.1.0 (2019-05-05)


Features


add strip-aliased and strip-dashed configuration options. (#172) (a3936aa)
support boolean which do not consume next argument. (#171) (0ae7fcb)


13.0.0 (2019-02-02)


Features


don't coerce number from string with leading '0' or '+' (#158) (18d0fd5)


BREAKING CHANGES


options with leading '+' or '0' now parse as strings


12.0.0 (2019-01-29)


Bug Fixes


better handling of quoted strings (#153) (2fb71b2)


Features


default value is now used if no right-hand value provided for numbers/strings (#156) (5a7c46a)


BREAKING CHANGES


a flag with no right-hand value no longer populates defaulted options with undefined.
quotes at beginning and endings of strings are not removed during parsing.


11.1.1 (2018-11-19)


Bug Fixes


ensure empty string is added into argv._ (#140) (79cda98)


Reverts


make requiresArg work in conjunction with arrays (#136) (f4a3063)


11.1.0 (2018-11-10)


Bug Fixes


handling of one char alias (#139) (ee56e31)


Features


add halt-at-non-option configuration option (#130) (a849fce)


11.0.0 (2018-10-06)


Bug Fixes


flatten-duplicate-arrays:false for more than 2 arrays (#128) (2bc395f)
hyphenated flags combined with dot notation broke parsing (#131) (dc788da)
make requiresArg work in conjunction with arrays (#136) (77ae1d4)


Chores


update dependencies (6dc42a1)


Features


also add camelCase array options (#125) (08c0117)
array.type can now be provided, supporting coercion (#132) (4b8cfce)


BREAKING CHANGES


drops Node 4 support
the argv object is now populated differently (correctly) when hyphens and dot notation are used in conjunction.


10.1.0 (2018-06-29)


Features


add set-placeholder-key configuration (#123) (19386ee)


10.0.0 (2018-04-04)


Bug Fixes


do not set boolean flags if not defined in argv (#119) (f6e6599)


BREAKING CHANGES


boolean flags defined without a default value will now behave like other option type and won't be set in the parsed results when the user doesn't set the corresponding CLI arg.


Previous behavior:

var parse = require('yargs-parser');

parse('--flag', {boolean: ['flag']});
// => { _: [], flag: true }

parse('--no-flag', {boolean: ['flag']});
// => { _: [], flag: false }

parse('', {boolean: ['flag']});
// => { _: [], flag: false }


New behavior:

var parse = require('yargs-parser');

parse('--flag', {boolean: ['flag']});
// => { _: [], flag: true }

parse('--no-flag', {boolean: ['flag']});
// => { _: [], flag: false }

parse('', {boolean: ['flag']});
// => { _: [] } => flag not set similarly to other option type


9.0.2 (2018-01-20)


Bug Fixes


nargs was still aggressively consuming too many arguments (9b28aad)


9.0.1 (2018-01-20)


Bug Fixes


nargs was consuming too many arguments (4fef206)


9.0.0 (2018-01-20)


Features


narg arguments no longer consume flag arguments (#114) (60bb9b3)


BREAKING CHANGES


arguments of form --foo, -abc, will no longer be consumed by nargs


8.1.0 (2017-12-20)


Bug Fixes


allow null config values (#108) (d8b14f9)
ensure consistent parsing of dot-notation arguments (#102) (c9bd79c)
implement @antoniom's fix for camel-case expansion (3087e1d)
only run coercion functions once, despite aliases. (#76) (#103) (507aaef)
scientific notation circumvented bounds check (#110) (3571f57)
tokenizer should ignore spaces at the beginning of the argString (#106) (f34ead9)


Features


make combining arrays a configurable option (#111) (c8bf536)
merge array from arguments with array from config (#83) (806ddd6)


8.0.0 (2017-10-05)


Bug Fixes


Ignore multiple spaces between arguments. (#100) (d137227)


Features


allow configuration of prefix for boolean negation (#94) (00bde7d)
reworking how numbers are parsed (#104) (fba00eb)


BREAKING CHANGES


strings that fail Number.isSafeInteger() are no longer coerced into numbers. 


7.0.0 (2017-05-02)


Chores


revert populate-- logic (#91) (6003e6d)


BREAKING CHANGES


populate-- now defaults to false.


6.0.1 (2017-05-01)


Bug Fixes


default '--' to undefined when not provided; this is closer to the array API (#90) (4e739cc)


6.0.0 (2017-05-01)


Bug Fixes


environment variables should take precedence over config file (#81) (76cee1f)
parsing hints should apply for dot notation keys (#86) (3e47d62)


Chores


upgrade to newest version of camelcase (#87) (f1903aa)


Features


add -- option which allows arguments after the -- flag to be returned separated from positional arguments (#84) (2572ca8)
when parsing stops, we now populate "--" by default (#88) (cd666db)


BREAKING CHANGES


rather than placing arguments in "_", when parsing is stopped via "--"; we now populate an array called "--" by default.
camelcase now requires Node 4+.
environment variables will now override config files (args, env, config-file, config-object)


5.0.0 (2017-02-18)


Bug Fixes


environment variables should take precedence over config file (#81) (76cee1f)


BREAKING CHANGES


environment variables will now override config files (args, env, config-file, config-object)


4.2.1 (2017-01-02)


Bug Fixes


flatten/duplicate regression (#75) (68d68a0)


4.2.0 (2016-12-01)


Bug Fixes


inner objects in configs had their keys appended to top-level key when dot-notation was disabled (#72) (0b1b5f9)


Features


allow multiple arrays to be provided, rather than always combining (#71) (0f0fb2d)


4.1.0 (2016-11-07)


Features


apply coercions to default options (#65) (c79052b)
handle dot notation boolean options (#63) (02c3545)


4.0.2 (2016-09-30)


Bug Fixes


whoops, let's make the assign not change the Object key order (29d069a)


4.0.1 (2016-09-30)


Bug Fixes


lodash.assign was deprecated (#59) (5e7eb11)


4.0.0 (2016-09-26)


Bug Fixes


coerce should be applied to the final objects and arrays created (#57) (4ca69da)


BREAKING CHANGES


coerce is no longer applied to individual arguments in an implicit array.


3.2.0 (2016-08-13)


Features


coerce full array instead of each element (#51) (cc4dc56)


3.1.0 (2016-08-09)


Bug Fixes


address pkgConf parsing bug outlined in #37 (#45) (be76ee6)
better parsing of negative values (#44) (2e43692)
check aliases when guessing defaults for arguments fixes #41 (#43) (f3e4616)


Features


added coerce option, for providing specialized argument parsing (#42) (7b49cd2)


3.0.0 (2016-08-07)


Bug Fixes


parsing issue with numeric character in group of options (#19) (f743236)
upgraded lodash.assign (5d7fdf4)


BREAKING CHANGES


subtle change to how values are parsed in a group of single-character arguments.
first released in 3.1.0, better handling of negative values should be considered a breaking change.


2.4.1 (2016-07-16)


Bug Fixes


count: do not increment a default value (#39) (b04a189)


2.4.0 (2016-04-11)


Features


environment: Support nested options in environment variables (#26) thanks @elas7 \o/ (020778b)


2.3.0 (2016-04-09)


Bug Fixes


boolean: fix for boolean options with non boolean defaults (#20) (2dbe86b), closes [(#20](https://github.com/(/issues/20)


package: remove tests from tarball (0353c0d)

parsing: handle calling short option with an empty string as the next value. (a867165)
boolean flag when next value contains the strings 'true' or 'false'. (69941a6)
update dependencies; add standard-version bin for next release (#24) (822d9d5)


Features


configuration: Allow to pass configuration objects to yargs-parser (0780900)

normalize: allow normalize to work with arrays (e0eaa1a)