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error-stack-parser/error-stack-parser.js at master · aagear/error-stack-parser · GitHub
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error-stack-parser.js
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(
function
(
root
,
factory
)
{
'use strict'
;
// Universal Module Definition (UMD) to support AMD, CommonJS/Node.js, Rhino, and browsers.
/* istanbul ignore next */
if
(
typeof
define
===
'function'
&&
define
.
amd
)
{
define
(
'error-stack-parser'
,
[
'stackframe'
]
,
factory
)
;
}
else
if
(
typeof
exports
===
'object'
)
{
module
.
exports
=
factory
(
require
(
'stackframe'
)
)
;
}
else
{
root
.
ErrorStackParser
=
factory
(
root
.
StackFrame
)
;
}
}
(
this
,
function
ErrorStackParser
(
StackFrame
)
{
'use strict'
;
var
FIREFOX_SAFARI_STACK_REGEXP
=
/
(
^
|
@
)
\S
+
:
\d
+
/
;
var
CHROME_IE_STACK_REGEXP
=
/
^
\s
*
a
t
.
*
(
\S
+
:
\d
+
|
\(
n
a
t
i
v
e
\)
)
/
m
;
var
SAFARI_NATIVE_CODE_REGEXP
=
/
^
(
e
v
a
l
@
)
?
(
\[
n
a
t
i
v
e
c
o
d
e
]
)
?
$
/
;
return
{
/**
* Given an Error object, extract the most information from it.
*
*
@param
{
Error
} error object
*
@return
{
Array
} of StackFrames
*/
parse
:
function
ErrorStackParser$$parse
(
error
)
{
if
(
typeof
error
.
stacktrace
!==
'undefined'
||
typeof
error
[
'opera#sourceloc'
]
!==
'undefined'
)
{
return
this
.
parseOpera
(
error
)
;
}
else
if
(
error
.
stack
&&
error
.
stack
.
match
(
CHROME_IE_STACK_REGEXP
)
)
{
return
this
.
parseV8OrIE
(
error
)
;
}
else
if
(
error
.
stack
)
{
return
this
.
parseFFOrSafari
(
error
)
;
}
else
{
throw
new
Error
(
'Cannot parse given Error object'
)
;
}
}
,
// Separate line and column numbers from a string of the form: (URI:Line:Column)
extractLocation
:
function
ErrorStackParser$$extractLocation
(
urlLike
)
{
// Fail-fast but return locations like "(native)"
if
(
urlLike
.
indexOf
(
':'
)
===
-
1
)
{
return
[
urlLike
]
;
}
var
regExp
=
/
(
.
+
?
)
(?:
:
(
\d
+
)
)
?
(?:
:
(
\d
+
)
)
?
$
/
;
var
parts
=
regExp
.
exec
(
urlLike
.
replace
(
/
[
(
)
]
/
g
,
''
)
)
;
return
[
parts
[
1
]
,
parts
[
2
]
||
undefined
,
parts
[
3
]
||
undefined
]
;
}
,
parseV8OrIE
:
function
ErrorStackParser$$parseV8OrIE
(
error
)
{
var
filtered
=
error
.
stack
.
split
(
'\n'
)
.
filter
(
function
(
line
)
{
return
!
!
line
.
match
(
CHROME_IE_STACK_REGEXP
)
;
}
,
this
)
;
return
filtered
.
map
(
function
(
line
)
{
if
(
line
.
indexOf
(
'(eval '
)
>
-
1
)
{
// Throw away eval information until we implement stacktrace.js/stackframe#8
line
=
line
.
replace
(
/
e
v
a
l
c
o
d
e
/
g
,
'eval'
)
.
replace
(
/
(
\(
e
v
a
l
a
t
[
^
(
)
]
*
)
|
(
,
.
*
$
)
/
g
,
''
)
;
}
var
sanitizedLine
=
line
.
replace
(
/
^
\s
+
/
,
''
)
.
replace
(
/
\(
e
v
a
l
c
o
d
e
/
g
,
'('
)
.
replace
(
/
^
.
*
?
\s
+
/
,
''
)
;
// capture and preseve the parenthesized location "(/foo/my bar.js:12:87)" in
// case it has spaces in it, as the string is split on \s+ later on
var
location
=
sanitizedLine
.
match
(
/
(
\(
.
+
\)
$
)
/
)
;
// remove the parenthesized location from the line, if it was matched
sanitizedLine
=
location
?
sanitizedLine
.
replace
(
location
[
0
]
,
''
)
:
sanitizedLine
;
// if a location was matched, pass it to extractLocation() otherwise pass all sanitizedLine
// because this line doesn't have function name
var
locationParts
=
this
.
extractLocation
(
location
?
location
[
1
]
:
sanitizedLine
)
;
var
functionName
=
location
&&
sanitizedLine
||
undefined
;
var
fileName
=
[
'eval'
,
'<anonymous>'
]
.
indexOf
(
locationParts
[
0
]
)
>
-
1
?
undefined
:
locationParts
[
0
]
;
return
new
StackFrame
(
{
functionName
:
functionName
,
fileName
:
fileName
,
lineNumber
:
locationParts
[
1
]
,
columnNumber
:
locationParts
[
2
]
,
source
:
line
}
)
;
}
,
this
)
;
}
,
parseFFOrSafari
:
function
ErrorStackParser$$parseFFOrSafari
(
error
)
{
var
filtered
=
error
.
stack
.
split
(
'\n'
)
.
filter
(
function
(
line
)
{
return
!
line
.
match
(
SAFARI_NATIVE_CODE_REGEXP
)
;
}
,
this
)
;
return
filtered
.
map
(
function
(
line
)
{
// Throw away eval information until we implement stacktrace.js/stackframe#8
if
(
line
.
indexOf
(
' > eval'
)
>
-
1
)
{
line
=
line
.
replace
(
/
l
i
n
e
(
\d
+
)
(?:
>
e
v
a
l
l
i
n
e
\d
+
)
*
>
e
v
a
l
:
\d
+
:
\d
+
/
g
,
':$1'
)
;
}
if
(
line
.
indexOf
(
'@'
)
===
-
1
&&
line
.
indexOf
(
':'
)
===
-
1
)
{
// Safari eval frames only have function names and nothing else
return
new
StackFrame
(
{
functionName
:
line
}
)
;
}
else
{
var
functionNameRegex
=
/
(
(
.
*
"
.
+
"
[
^
@
]
*
)
?
[
^
@
]
*
)
(?:
@
)
/
;
var
matches
=
line
.
match
(
functionNameRegex
)
;
var
functionName
=
matches
&&
matches
[
1
]
?
matches
[
1
]
:
undefined
;
var
locationParts
=
this
.
extractLocation
(
line
.
replace
(
functionNameRegex
,
''
)
)
;
return
new
StackFrame
(
{
functionName
:
functionName
,
fileName
:
locationParts
[
0
]
,
lineNumber
:
locationParts
[
1
]
,
columnNumber
:
locationParts
[
2
]
,
source
:
line
}
)
;
}
}
,
this
)
;
}
,
parseOpera
:
function
ErrorStackParser$$parseOpera
(
e
)
{
if
(
!
e
.
stacktrace
||
(
e
.
message
.
indexOf
(
'\n'
)
>
-
1
&&
e
.
message
.
split
(
'\n'
)
.
length
>
e
.
stacktrace
.
split
(
'\n'
)
.
length
)
)
{
return
this
.
parseOpera9
(
e
)
;
}
else
if
(
!
e
.
stack
)
{
return
this
.
parseOpera10
(
e
)
;
}
else
{
return
this
.
parseOpera11
(
e
)
;
}
}
,
parseOpera9
:
function
ErrorStackParser$$parseOpera9
(
e
)
{
var
lineRE
=
/
L
i
n
e
(
\d
+
)
.
*
s
c
r
i
p
t
(?:
i
n
)
?
(
\S
+
)
/
i
;
var
lines
=
e
.
message
.
split
(
'\n'
)
;
var
result
=
[
]
;
for
(
var
i
=
2
,
len
=
lines
.
length
;
i
<
len
;
i
+=
2
)
{
var
match
=
lineRE
.
exec
(
lines
[
i
]
)
;
if
(
match
)
{
result
.
push
(
new
StackFrame
(
{
fileName
:
match
[
2
]
,
lineNumber
:
match
[
1
]
,
source
:
lines
[
i
]
}
)
)
;
}
}
return
result
;
}
,
parseOpera10
:
function
ErrorStackParser$$parseOpera10
(
e
)
{
var
lineRE
=
/
L
i
n
e
(
\d
+
)
.
*
s
c
r
i
p
t
(?:
i
n
)
?
(
\S
+
)
(?:
:
I
n
f
u
n
c
t
i
o
n
(
\S
+
)
)
?
$
/
i
;
var
lines
=
e
.
stacktrace
.
split
(
'\n'
)
;
var
result
=
[
]
;
for
(
var
i
=
0
,
len
=
lines
.
length
;
i
<
len
;
i
+=
2
)
{
var
match
=
lineRE
.
exec
(
lines
[
i
]
)
;
if
(
match
)
{
result
.
push
(
new
StackFrame
(
{
functionName
:
match
[
3
]
||
undefined
,
fileName
:
match
[
2
]
,
lineNumber
:
match
[
1
]
,
source
:
lines
[
i
]
}
)
)
;
}
}
return
result
;
}
,
// Opera 10.65+ Error.stack very similar to FF/Safari
parseOpera11
:
function
ErrorStackParser$$parseOpera11
(
error
)
{
var
filtered
=
error
.
stack
.
split
(
'\n'
)
.
filter
(
function
(
line
)
{
return
!
!
line
.
match
(
FIREFOX_SAFARI_STACK_REGEXP
)
&&
!
line
.
match
(
/
^
E
r
r
o
r
c
r
e
a
t
e
d
a
t
/
)
;
}
,
this
)
;
return
filtered
.
map
(
function
(
line
)
{
var
tokens
=
line
.
split
(
'@'
)
;
var
locationParts
=
this
.
extractLocation
(
tokens
.
pop
(
)
)
;
var
functionCall
=
(
tokens
.
shift
(
)
||
''
)
;
var
functionName
=
functionCall
.
replace
(
/
<
a
n
o
n
y
m
o
u
s
f
u
n
c
t
i
o
n
(
:
(
\w
+
)
)
?
>
/
,
'$2'
)
.
replace
(
/
\(
[
^
)
]
*
\)
/
g
,
''
)
||
undefined
;
var
argsRaw
;
if
(
functionCall
.
match
(
/
\(
(
[
^
)
]
*
)
\)
/
)
)
{
argsRaw
=
functionCall
.
replace
(
/
^
[
^
(
]
+
\(
(
[
^
)
]
*
)
\)
$
/
,
'$1'
)
;
}
var
args
=
(
argsRaw
===
undefined
||
argsRaw
===
'[arguments not available]'
)
?
undefined
:
argsRaw
.
split
(
','
)
;
return
new
StackFrame
(
{
functionName
:
functionName
,
args
:
args
,
fileName
:
locationParts
[
0
]
,
lineNumber
:
locationParts
[
1
]
,
columnNumber
:
locationParts
[
2
]
,
source
:
line
}
)
;
}
,
this
)
;
}
}
;
}
)
)
;
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