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validator.js/validator.js at master · ProCodeX/validator.js · GitHub
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validator.js
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/*! @author: sofish
* simple validator */
(
function
(
$
)
{
/* rules for the validator
* the keys are named correspond to the inputs type
*/
var
reg
=
{
email
:
/
^
(?:
[
a
-
z
0
-
9
]
+
[
_
\-
+
.
]
?
)
*
[
a
-
z
0
-
9
]
+
@
(?:
(
[
a
-
z
0
-
9
]
+
-
?
)
*
[
a
-
z
0
-
9
]
+
.
)
+
(
[
a
-
z
]
{
2
,
}
)
+
$
/
i
,
date
:
/
[
0
-
9
]
{
4
}
-
%
2
8
0
[
1
-
9
]
|
1
[
0
1
2
]
%
2
9
-
%
2
8
0
[
1
-
9
]
|
1
[
0
-
9
]
|
2
[
0
-
9
]
|
3
[
0
1
]
%
2
9
/
,
empty
:
/
^
\s
?
$
/
}
,
_emptyMsg
=
function
(
)
{
return
{
unvalid
:
[
]
,
empty
:
[
]
,
pass
:
[
]
}
}
,
_setMsg
=
function
(
message
,
item
)
{
var
action
=
message
===
'pass'
?
'removeClass'
:
'addClass'
,
papa
=
item
.
parent
(
)
||
item
;
papa
[
action
]
(
'error'
)
;
}
,
// if the value meets the rule?
_check
=
function
(
msg
,
item
)
{
var
value
=
$
.
trim
(
item
.
val
(
)
)
,
type
=
item
.
attr
(
'type'
)
,
patternStr
=
item
.
attr
(
'pattern'
)
,
// `pattern` should take precedence over type
pattern
=
(
patternStr
&&
new
RegExp
(
patternStr
)
)
||
reg
[
type
]
;
// make sure the item is empty
if
(
value
===
''
)
return
msg
[
'empty'
]
.
push
(
item
)
,
_setMsg
(
'empty'
,
item
)
;
if
(
!
pattern
)
{
var
tagName
=
item
[
0
]
.
nodeName
.
toLowerCase
(
)
;
/* - -! select & textares! it suck.
* DO NOT specific any more, use the `pattern` or `reg` object
*/
if
(
value
!==
''
)
return
msg
[
'pass'
]
.
push
(
item
)
,
_setMsg
(
'pass'
,
item
)
;
return
msg
[
'unvalid'
]
.
push
(
item
)
,
_setMsg
(
'unvalid'
,
item
)
;
}
if
(
!
pattern
.
test
(
value
)
)
return
msg
[
'unvalid'
]
.
push
(
item
)
,
_setMsg
(
'unvaild'
,
item
)
;
return
msg
[
'pass'
]
.
push
(
item
)
,
_setMsg
(
'pass'
,
item
)
;
}
,
validator
=
function
(
form
,
items
,
callback
)
{
var
msg
=
_emptyMsg
(
)
;
items
.
each
(
function
(
i
,
item
)
{
_check
(
msg
,
$
(
item
)
)
;
}
)
if
(
msg
.
pass
.
length
===
items
.
length
)
form
[
0
]
.
submit
(
)
;
callback
.
call
(
this
,
msg
)
;
}
;
/* the `callback` function accepts one argument: `message`
* u're by default to have the `message` obj which is an {Object}
* contains the message types and the correspond items(jQuery Object)
* `unvalid`: not valid
* `empty`: the value is empty
* `pass`: the item is valid
*/
$
.
fn
.
validate
=
function
(
options
)
{
var
that
=
this
,
items
=
$
(
'[required]'
,
that
)
,
callback
=
options
[
'callback'
]
,
prevalid
=
options
[
'prevalid'
]
||
0
;
/* dont't forget the `novalidate` attribute
* prevent browser from showing the default error message
*/
typeof
that
.
attr
(
'novalidate'
)
!==
'string'
&&
that
.
attr
(
'novalidate'
,
'true'
)
;
that
.
on
(
'submit'
,
function
(
e
)
{
e
.
preventDefault
(
)
;
validator
(
that
,
items
,
callback
)
;
}
)
/* if `prevaild` is set to true, the validator will running when
* the `[required]` item's `blur` event is fired,
* and an `error` event will be triggered
* as well as `class="error"` will be set to the item's parentNode
*
* ```
* $('[required]').on('error', function(e, msg){
* console.log(msg)
* })
* ```
*/
prevalid
&&
items
.
on
(
'blur'
,
function
(
)
{
var
msg
=
_emptyMsg
(
)
,
that
=
$
(
this
)
;
_check
(
msg
,
that
)
;
for
(
var
p
in
msg
)
{
if
(
msg
.
hasOwnProperty
(
p
)
&&
msg
[
p
]
[
0
]
===
that
)
{
_setMsg
(
p
,
that
)
;
return
that
.
trigger
(
'error'
,
p
)
;
}
}
}
)
}
}
)
(
jQuery
)
;
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