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stacktrace.js/polyfills.js at master · bencode/stacktrace.js · GitHub
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stacktrace.js
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// Polyfill for old browsers
// See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray
if
(
!
Array
.
isArray
)
{
Array
.
isArray
=
function
(
arg
)
{
return
Object
.
prototype
.
toString
.
call
(
arg
)
===
'[object Array]'
;
}
;
}
if
(
typeof
Promise
===
'undefined'
)
{
ES6Promise
.
polyfill
(
)
;
}
// ES5 Polyfills
// See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind
if
(
!
Function
.
prototype
.
bind
)
{
Function
.
prototype
.
bind
=
function
(
oThis
)
{
if
(
typeof
this
!==
'function'
)
{
throw
new
TypeError
(
'Function.prototype.bind - what is trying to be bound is not callable'
)
;
}
var
aArgs
=
Array
.
prototype
.
slice
.
call
(
arguments
,
1
)
;
var
fToBind
=
this
;
var
NoOp
=
function
(
)
{
}
;
var
fBound
=
function
(
)
{
return
fToBind
.
apply
(
this
instanceof
NoOp
&&
oThis
?
this
:
oThis
,
aArgs
.
concat
(
Array
.
prototype
.
slice
.
call
(
arguments
)
)
)
;
}
;
NoOp
.
prototype
=
this
.
prototype
;
fBound
.
prototype
=
new
NoOp
(
)
;
return
fBound
;
}
;
}
// See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map
if
(
!
Array
.
prototype
.
map
)
{
Array
.
prototype
.
map
=
function
(
callback
,
thisArg
)
{
if
(
this
===
void
0
||
this
===
null
)
{
throw
new
TypeError
(
'this is null or not defined'
)
;
}
var
O
=
Object
(
this
)
;
var
len
=
O
.
length
>>>
0
;
var
T
;
if
(
typeof
callback
!==
'function'
)
{
throw
new
TypeError
(
callback
+
' is not a function'
)
;
}
if
(
arguments
.
length
>
1
)
{
T
=
thisArg
;
}
var
A
=
new
Array
(
len
)
;
var
k
=
0
;
while
(
k
<
len
)
{
var
kValue
,
mappedValue
;
if
(
k
in
O
)
{
kValue
=
O
[
k
]
;
mappedValue
=
callback
.
call
(
T
,
kValue
,
k
,
O
)
;
A
[
k
]
=
mappedValue
;
}
k
++
;
}
return
A
;
}
;
}
// See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/filter
if
(
!
Array
.
prototype
.
filter
)
{
Array
.
prototype
.
filter
=
function
(
callback
/*, thisArg*/
)
{
if
(
this
===
void
0
||
this
===
null
)
{
throw
new
TypeError
(
'this is null or not defined'
)
;
}
var
t
=
Object
(
this
)
;
var
len
=
t
.
length
>>>
0
;
if
(
typeof
callback
!==
'function'
)
{
throw
new
TypeError
(
callback
+
' is not a function'
)
;
}
var
res
=
[
]
;
var
thisArg
=
arguments
.
length
>=
2
?
arguments
[
1
]
:
void
0
;
for
(
var
i
=
0
;
i
<
len
;
i
++
)
{
if
(
i
in
t
)
{
var
val
=
t
[
i
]
;
if
(
callback
.
call
(
thisArg
,
val
,
i
,
t
)
)
{
res
.
push
(
val
)
;
}
}
}
return
res
;
}
;
}
// See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach
if
(
!
Array
.
prototype
.
forEach
)
{
Array
.
prototype
.
forEach
=
function
(
callback
,
thisArg
)
{
var
T
,
k
;
if
(
this
===
null
||
this
===
undefined
)
{
throw
new
TypeError
(
' this is null or not defined'
)
;
}
var
O
=
Object
(
this
)
;
var
len
=
O
.
length
>>>
0
;
if
(
typeof
callback
!==
'function'
)
{
throw
new
TypeError
(
callback
+
' is not a function'
)
;
}
if
(
arguments
.
length
>
1
)
{
T
=
thisArg
;
}
k
=
0
;
while
(
k
<
len
)
{
var
kValue
;
if
(
k
in
O
)
{
kValue
=
O
[
k
]
;
callback
.
call
(
T
,
kValue
,
k
,
O
)
;
}
k
++
;
}
}
;
}
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