1+ 'use strict' ;
2+
3+ function hasKey ( obj , keys ) {
4+ var o = obj ;
5+ keys . slice ( 0 , - 1 ) . forEach ( function ( key ) {
6+ o = o [ key ] || { } ;
7+ } ) ;
8+
9+ var key = keys [ keys . length - 1 ] ;
10+ return key in o ;
11+ }
12+
13+ function isNumber ( x ) {
14+ if ( typeof x === 'number' ) { return true ; }
15+ if ( ( / ^ 0 x [ 0 - 9 a - f ] + $ / i) . test ( x ) ) { return true ; }
16+ return ( / ^ [ - + ] ? (?: \d + (?: \. \d * ) ? | \. \d + ) ( e [ - + ] ? \d + ) ? $ / ) . test ( x ) ;
17+ }
18+
19+ function isConstructorOrProto ( obj , key ) {
20+ return ( key === 'constructor' && typeof obj [ key ] === 'function' ) || key === '__proto__' ;
21+ }
22+
123module . exports = function ( args , opts ) {
2- if ( ! opts ) opts = { } ;
24+ if ( ! opts ) { opts = { } ; }
325
4- var flags = { bools :{ } , strings :{ } , unknownFn :null } ;
26+ var flags = {
27+ bools :{ } ,
28+ strings :{ } ,
29+ unknownFn :null ,
30+ } ;
531
6- if ( typeof opts [ ' unknown' ] === 'function' ) {
7- flags . unknownFn = opts [ ' unknown' ] ;
32+ if ( typeof opts . unknown === 'function' ) {
33+ flags . unknownFn = opts . unknown ;
834}
935
10- if ( typeof opts [ ' boolean' ] === 'boolean' && opts [ ' boolean' ] ) {
36+ if ( typeof opts . boolean === 'boolean' && opts . boolean ) {
1137flags . allBools = true ;
1238} else {
13- [ ] . concat ( opts [ ' boolean' ] ) . filter ( Boolean ) . forEach ( function ( key ) {
39+ [ ] . concat ( opts . boolean ) . filter ( Boolean ) . forEach ( function ( key ) {
1440flags . bools [ key ] = true ;
1541} ) ;
1642}
1743
1844var aliases = { } ;
45+
46+ function aliasIsBoolean ( key ) {
47+ return aliases [ key ] . some ( function ( x ) {
48+ return flags . bools [ x ] ;
49+ } ) ;
50+ }
51+
1952Object . keys ( opts . alias || { } ) . forEach ( function ( key ) {
2053aliases [ key ] = [ ] . concat ( opts . alias [ key ] ) ;
2154aliases [ key ] . forEach ( function ( x ) {
@@ -32,138 +65,137 @@ module.exports = function (args, opts) {
3265}
3366} ) ;
3467
35- var defaults = opts [ ' default' ] || { } ;
68+ var defaults = opts . default || { } ;
3669
3770var argv = { _ :[ ] } ;
38- Object . keys ( flags . bools ) . forEach ( function ( key ) {
39- setArg ( key , defaults [ key ] === undefined ?false :defaults [ key ] ) ;
40- } ) ;
41-
42- var notFlags = [ ] ;
43-
44- if ( args . indexOf ( '--' ) !== - 1 ) {
45- notFlags = args . slice ( args . indexOf ( '--' ) + 1 ) ;
46- args = args . slice ( 0 , args . indexOf ( '--' ) ) ;
47- }
4871
4972function argDefined ( key , arg ) {
50- return ( flags . allBools && / ^ - - [ ^ = ] + $ / . test ( arg ) ) ||
51- flags . strings [ key ] || flags . bools [ key ] || aliases [ key ] ;
52- }
53-
54- function setArg ( key , val , arg ) {
55- if ( arg && flags . unknownFn && ! argDefined ( key , arg ) ) {
56- if ( flags . unknownFn ( arg ) === false ) return ;
57- }
58-
59- var value = ! flags . strings [ key ] && isNumber ( val )
60- ?Number ( val )
61- :val ;
62- setKey ( argv , key . split ( '.' ) , value ) ;
63-
64- ( aliases [ key ] || [ ] ) . forEach ( function ( x ) {
65- setKey ( argv , x . split ( '.' ) , value ) ;
66- } ) ;
73+ return ( flags . allBools && ( / ^ - - [ ^ = ] + $ / ) . test ( arg ) )
74+ || flags . strings [ key ]
75+ || flags . bools [ key ]
76+ || aliases [ key ] ;
6777}
6878
6979function setKey ( obj , keys , value ) {
7080var o = obj ;
7181for ( var i = 0 ; i < keys . length - 1 ; i ++ ) {
7282var key = keys [ i ] ;
73- if ( isConstructorOrProto ( o , key ) ) return ;
74- if ( o [ key ] === undefined ) o [ key ] = { } ;
83+ if ( isConstructorOrProto ( o , key ) ) { return ; }
84+ if ( o [ key ] === undefined ) { o [ key ] = { } ; }
7585if (
7686o [ key ] === Object . prototype
7787|| o [ key ] === Number . prototype
7888|| o [ key ] === String . prototype
7989) {
8090o [ key ] = { } ;
8191}
82- if ( o [ key ] === Array . prototype ) o [ key ] = [ ] ;
92+ if ( o [ key ] === Array . prototype ) { o [ key ] = [ ] ; }
8393o = o [ key ] ;
8494}
8595
86- var key = keys [ keys . length - 1 ] ;
87- if ( isConstructorOrProto ( o , key ) ) return ;
96+ var lastKey = keys [ keys . length - 1 ] ;
97+ if ( isConstructorOrProto ( o , lastKey ) ) { return ; }
8898if (
8999o === Object . prototype
90100|| o === Number . prototype
91101|| o === String . prototype
92102) {
93103o = { } ;
94104}
95- if ( o === Array . prototype ) o = [ ] ;
96- if ( o [ key ] === undefined || flags . bools [ key ] || typeof o [ key ] === 'boolean' ) {
97- o [ key ] = value ;
98- } else if ( Array . isArray ( o [ key ] ) ) {
99- o [ key ] . push ( value ) ;
105+ if ( o === Array . prototype ) { o = [ ] ; }
106+ if ( o [ lastKey ] === undefined || flags . bools [ lastKey ] || typeof o [ lastKey ] === 'boolean' ) {
107+ o [ lastKey ] = value ;
108+ } else if ( Array . isArray ( o [ lastKey ] ) ) {
109+ o [ lastKey ] . push ( value ) ;
100110} else {
101- o [ key ] = [ o [ key ] , value ] ;
111+ o [ lastKey ] = [ o [ lastKey ] , value ] ;
102112}
103113}
104114
105- function aliasIsBoolean ( key ) {
106- return aliases [ key ] . some ( function ( x ) {
107- return flags . bools [ x ] ;
115+ function setArg ( key , val , arg ) {
116+ if ( arg && flags . unknownFn && ! argDefined ( key , arg ) ) {
117+ if ( flags . unknownFn ( arg ) === false ) { return ; }
118+ }
119+
120+ var value = ! flags . strings [ key ] && isNumber ( val )
121+ ?Number ( val )
122+ :val ;
123+ setKey ( argv , key . split ( '.' ) , value ) ;
124+
125+ ( aliases [ key ] || [ ] ) . forEach ( function ( x ) {
126+ setKey ( argv , x . split ( '.' ) , value ) ;
108127} ) ;
109128}
110129
130+ Object . keys ( flags . bools ) . forEach ( function ( key ) {
131+ setArg ( key , defaults [ key ] === undefined ?false :defaults [ key ] ) ;
132+ } ) ;
133+
134+ var notFlags = [ ] ;
135+
136+ if ( args . indexOf ( '--' ) !== - 1 ) {
137+ notFlags = args . slice ( args . indexOf ( '--' ) + 1 ) ;
138+ args = args . slice ( 0 , args . indexOf ( '--' ) ) ;
139+ }
140+
111141for ( var i = 0 ; i < args . length ; i ++ ) {
112142var arg = args [ i ] ;
143+ var key ;
144+ var next ;
113145
114- if ( / ^ - - .+ = / . test ( arg ) ) {
146+ if ( ( / ^ - - .+ = / ) . test ( arg ) ) {
115147// Using [\s\S] instead of . because js doesn't support the
116148// 'dotall' regex modifier. See:
117149// http://stackoverflow.com/a/1068308/13216
118150var m = arg . match ( / ^ - - ( [ ^ = ] + ) = ( [ \s \S ] * ) $ / ) ;
119- var key = m [ 1 ] ;
151+ key = m [ 1 ] ;
120152var value = m [ 2 ] ;
121153if ( flags . bools [ key ] ) {
122154value = value !== 'false' ;
123155}
124156setArg ( key , value , arg ) ;
125- } else if ( / ^ - - n o - .+ / . test ( arg ) ) {
126- var key = arg . match ( / ^ - - n o - ( .+ ) / ) [ 1 ] ;
157+ } else if ( ( / ^ - - n o - .+ / ) . test ( arg ) ) {
158+ key = arg . match ( / ^ - - n o - ( .+ ) / ) [ 1 ] ;
127159setArg ( key , false , arg ) ;
128- } else if ( / ^ - - .+ / . test ( arg ) ) {
129- var key = arg . match ( / ^ - - ( .+ ) / ) [ 1 ] ;
130- var next = args [ i + 1 ] ;
160+ } else if ( ( / ^ - - .+ / ) . test ( arg ) ) {
161+ key = arg . match ( / ^ - - ( .+ ) / ) [ 1 ] ;
162+ next = args [ i + 1 ] ;
131163if (
132164next !== undefined
133- && ! / ^ - / . test ( next )
165+ && ! ( / ^ - / ) . test ( next )
134166&& ! flags . bools [ key ]
135167&& ! flags . allBools
136168&& ( aliases [ key ] ?! aliasIsBoolean ( key ) :true )
137169) {
138170setArg ( key , next , arg ) ;
139- i ++ ;
140- } else if ( / ^ ( t r u e | f a l s e ) $ / . test ( next ) ) {
171+ i += 1 ;
172+ } else if ( ( / ^ ( t r u e | f a l s e ) $ / ) . test ( next ) ) {
141173setArg ( key , next === 'true' , arg ) ;
142- i ++ ;
174+ i += 1 ;
143175} else {
144176setArg ( key , flags . strings [ key ] ?'' :true , arg ) ;
145177}
146- } else if ( / ^ - [ ^ - ] + / . test ( arg ) ) {
178+ } else if ( ( / ^ - [ ^ - ] + / ) . test ( arg ) ) {
147179var letters = arg . slice ( 1 , - 1 ) . split ( '' ) ;
148180
149181var broken = false ;
150182for ( var j = 0 ; j < letters . length ; j ++ ) {
151- var next = arg . slice ( j + 2 ) ;
183+ next = arg . slice ( j + 2 ) ;
152184
153185if ( next === '-' ) {
154- setArg ( letters [ j ] , next , arg )
186+ setArg ( letters [ j ] , next , arg ) ;
155187continue ;
156188}
157189
158- if ( / [ A - Z a - z ] / . test ( letters [ j ] ) && / = / . test ( next ) ) {
190+ if ( ( / [ A - Z a - z ] / ) . test ( letters [ j ] ) && ( / [ = ] / ) . test ( next ) ) {
159191setArg ( letters [ j ] , next . split ( '=' ) [ 1 ] , arg ) ;
160192broken = true ;
161193break ;
162194}
163195
164196if (
165- / [ A - Z a - z ] / . test ( letters [ j ] )
166- && / - ? \d + ( \. \d * ) ? ( e - ? \d + ) ? $ / . test ( next )
197+ ( / [ A - Z a - z ] / ) . test ( letters [ j ] )
198+ && ( / - ? \d + ( \. \d * ) ? ( e - ? \d + ) ? $ / ) . test ( next )
167199) {
168200setArg ( letters [ j ] , next , arg ) ;
169201broken = true ;
@@ -179,26 +211,26 @@ module.exports = function (args, opts) {
179211}
180212}
181213
182- var key = arg . slice ( - 1 ) [ 0 ] ;
214+ key = arg . slice ( - 1 ) [ 0 ] ;
183215if ( ! broken && key !== '-' ) {
184216if (
185217args [ i + 1 ]
186- && ! / ^ ( - | - - ) [ ^ - ] / . test ( args [ i + 1 ] )
218+ && ! ( / ^ ( - | - - ) [ ^ - ] / ) . test ( args [ i + 1 ] )
187219&& ! flags . bools [ key ]
188220&& ( aliases [ key ] ?! aliasIsBoolean ( key ) :true )
189221) {
190222setArg ( key , args [ i + 1 ] , arg ) ;
191- i ++ ;
192- } else if ( args [ i + 1 ] && / ^ ( t r u e | f a l s e ) $ / . test ( args [ i + 1 ] ) ) {
223+ i += 1 ;
224+ } else if ( args [ i + 1 ] && ( / ^ ( t r u e | f a l s e ) $ / ) . test ( args [ i + 1 ] ) ) {
193225setArg ( key , args [ i + 1 ] === 'true' , arg ) ;
194- i ++ ;
226+ i += 1 ;
195227} else {
196228setArg ( key , flags . strings [ key ] ?'' :true , arg ) ;
197229}
198230}
199231} else {
200232if ( ! flags . unknownFn || flags . unknownFn ( arg ) !== false ) {
201- argv . _ . push ( flags . strings [ '_' ] || ! isNumber ( arg ) ?arg :Number ( arg ) ) ;
233+ argv . _ . push ( flags . strings . _ || ! isNumber ( arg ) ?arg :Number ( arg ) ) ;
202234}
203235if ( opts . stopEarly ) {
204236argv . _ . push . apply ( argv . _ , args . slice ( i + 1 ) ) ;
@@ -207,46 +239,23 @@ module.exports = function (args, opts) {
207239}
208240}
209241
210- Object . keys ( defaults ) . forEach ( function ( key ) {
211- if ( ! hasKey ( argv , key . split ( '.' ) ) ) {
212- setKey ( argv , key . split ( '.' ) , defaults [ key ] ) ;
242+ Object . keys ( defaults ) . forEach ( function ( k ) {
243+ if ( ! hasKey ( argv , k . split ( '.' ) ) ) {
244+ setKey ( argv , k . split ( '.' ) , defaults [ k ] ) ;
213245
214- ( aliases [ key ] || [ ] ) . forEach ( function ( x ) {
215- setKey ( argv , x . split ( '.' ) , defaults [ key ] ) ;
246+ ( aliases [ k ] || [ ] ) . forEach ( function ( x ) {
247+ setKey ( argv , x . split ( '.' ) , defaults [ k ] ) ;
216248} ) ;
217249}
218250} ) ;
219251
220252if ( opts [ '--' ] ) {
221- argv [ '--' ] = new Array ( ) ;
222- notFlags . forEach ( function ( key ) {
223- argv [ '--' ] . push ( key ) ;
224- } ) ;
253+ argv [ '--' ] = notFlags . slice ( ) ;
225254} else {
226- notFlags . forEach ( function ( key ) {
227- argv . _ . push ( key ) ;
255+ notFlags . forEach ( function ( k ) {
256+ argv . _ . push ( k ) ;
228257} ) ;
229258}
230259
231260return argv ;
232261} ;
233-
234- function hasKey ( obj , keys ) {
235- var o = obj ;
236- keys . slice ( 0 , - 1 ) . forEach ( function ( key ) {
237- o = ( o [ key ] || { } ) ;
238- } ) ;
239-
240- var key = keys [ keys . length - 1 ] ;
241- return key in o ;
242- }
243-
244- function isNumber ( x ) {
245- if ( typeof x === 'number' ) return true ;
246- if ( / ^ 0 x [ 0 - 9 a - f ] + $ / i. test ( x ) ) return true ;
247- return / ^ [ - + ] ? (?: \d + (?: \. \d * ) ? | \. \d + ) ( e [ - + ] ? \d + ) ? $ / . test ( x ) ;
248- }
249-
250- function isConstructorOrProto ( obj , key ) {
251- return key === 'constructor' && typeof obj [ key ] === 'function' || key === '__proto__' ;
252- }