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Userscript-Plus/src/js/querySelector.js at userscript · magicoflolis/Userscript-Plus · GitHub
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'use strict'
;
const
SafeAnimationFrame
=
class
{
constructor
(
callback
)
{
this
.
fid
=
this
.
tid
=
undefined
;
this
.
callback
=
callback
;
}
start
(
delay
)
{
if
(
delay
===
undefined
)
{
if
(
this
.
fid
===
undefined
)
{
this
.
fid
=
requestAnimationFrame
(
(
)
=>
{
this
.
onRAF
(
)
;
}
)
;
}
if
(
this
.
tid
===
undefined
)
{
this
.
tid
=
setTimeout
(
(
)
=>
{
this
.
onSTO
(
)
;
}
,
20000
)
;
}
return
;
}
if
(
this
.
fid
===
undefined
&&
this
.
tid
===
undefined
)
{
this
.
tid
=
setTimeout
(
(
)
=>
{
this
.
macroToMicro
(
)
;
}
,
delay
)
;
}
}
clear
(
)
{
if
(
this
.
fid
!==
undefined
)
{
cancelAnimationFrame
(
this
.
fid
)
;
this
.
fid
=
undefined
;
}
if
(
this
.
tid
!==
undefined
)
{
clearTimeout
(
this
.
tid
)
;
this
.
tid
=
undefined
;
}
}
macroToMicro
(
)
{
this
.
tid
=
undefined
;
this
.
start
(
)
;
}
onRAF
(
)
{
if
(
this
.
tid
!==
undefined
)
{
clearTimeout
(
this
.
tid
)
;
this
.
tid
=
undefined
;
}
this
.
fid
=
undefined
;
this
.
callback
(
)
;
}
onSTO
(
)
{
if
(
this
.
fid
!==
undefined
)
{
cancelAnimationFrame
(
this
.
fid
)
;
this
.
fid
=
undefined
;
}
this
.
tid
=
undefined
;
this
.
callback
(
)
;
}
}
;
/**
* Object is typeof `Element`
*
@template
O
*
@param
{
O
} obj
*
@returns
{
boolean
}
*/
const
isElem
=
(
obj
)
=>
{
/**
@type
{
string
} */
const
s
=
Object
.
prototype
.
toString
.
call
(
obj
)
;
return
s
.
includes
(
'Element'
)
;
}
;
/**
*
@template
T
*
@param
{
T
} target
*
@param
{
boolean
} toQuery
*
@param
{
Element | Document | undefined
} root
*
@returns
{
T[]
}
*/
const
normalizeTarget
=
(
target
,
toQuery
=
true
,
root
)
=>
{
if
(
Object
.
is
(
target
,
null
)
||
Object
.
is
(
target
,
undefined
)
)
{
return
[
]
;
}
if
(
Array
.
isArray
(
target
)
)
{
return
target
;
}
if
(
typeof
target
===
'string'
)
{
return
toQuery
?
Array
.
from
(
(
root
||
document
)
.
querySelectorAll
(
target
)
)
:
[
target
]
;
}
if
(
isElem
(
target
)
)
{
return
[
target
]
;
}
return
Array
.
from
(
target
)
;
}
;
const
makeEventHandler
=
(
selector
,
callback
)
=>
{
return
function
(
event
)
{
const
dispatcher
=
event
.
currentTarget
;
if
(
dispatcher
instanceof
HTMLElement
===
false
||
typeof
dispatcher
.
querySelectorAll
!==
'function'
)
{
return
;
}
const
receiver
=
event
.
target
;
const
ancestor
=
receiver
.
closest
(
selector
)
;
if
(
ancestor
===
receiver
&&
ancestor
!==
dispatcher
&&
dispatcher
.
contains
(
ancestor
)
)
{
callback
.
call
(
receiver
,
event
)
;
}
}
;
}
;
class
dom
{
static
attr
(
target
,
attr
,
value
=
undefined
)
{
for
(
const
elem
of
normalizeTarget
(
target
)
)
{
if
(
value
===
undefined
)
{
return
elem
.
getAttribute
(
attr
)
;
}
if
(
value
===
null
)
{
elem
.
removeAttribute
(
attr
)
;
}
else
{
elem
.
setAttribute
(
attr
,
value
)
;
}
}
}
static
clone
(
target
)
{
return
normalizeTarget
(
target
)
[
0
]
.
cloneNode
(
true
)
;
}
static
create
(
a
)
{
if
(
typeof
a
===
'string'
)
{
return
document
.
createElement
(
a
)
;
}
}
/**
*
@template
{ HTMLElement } T
*
@param
{
T
} target
*
@param
{
string
} prop
*
@param
{
*
} [value=undefined]
*
@returns
{
keyof T | void
}
*/
static
prop
(
target
,
prop
,
value
=
undefined
)
{
for
(
const
elem
of
normalizeTarget
(
target
)
)
{
if
(
value
===
undefined
)
{
return
elem
[
prop
]
;
}
elem
[
prop
]
=
value
;
}
}
static
text
(
target
,
text
)
{
const
targets
=
normalizeTarget
(
target
)
;
if
(
text
===
undefined
)
{
return
targets
.
length
!==
0
?
targets
[
0
]
.
textContent
:
undefined
;
}
for
(
const
elem
of
targets
)
{
elem
.
textContent
=
text
;
}
}
static
remove
(
target
)
{
for
(
const
elem
of
normalizeTarget
(
target
)
)
{
elem
.
remove
(
)
;
}
}
// target, type, callback, [options]
// target, type, subtarget, callback, [options]
static
on
(
target
,
type
,
subtarget
,
callback
,
options
)
{
if
(
typeof
subtarget
===
'function'
)
{
options
=
callback
;
callback
=
subtarget
;
subtarget
=
undefined
;
if
(
typeof
options
===
'boolean'
)
{
options
=
{
capture
:
true
}
;
}
}
else
{
callback
=
makeEventHandler
(
subtarget
,
callback
)
;
if
(
options
===
undefined
||
typeof
options
===
'boolean'
)
{
options
=
{
capture
:
true
}
;
}
else
{
options
.
capture
=
true
;
}
}
const
targets
=
target
instanceof
Window
||
target
instanceof
Document
?
[
target
]
:
normalizeTarget
(
target
)
;
for
(
const
elem
of
targets
)
{
elem
.
addEventListener
(
type
,
callback
,
options
)
;
}
}
static
off
(
target
,
type
,
callback
,
options
)
{
if
(
typeof
callback
!==
'function'
)
{
return
;
}
if
(
typeof
options
===
'boolean'
)
{
options
=
{
capture
:
true
}
;
}
const
targets
=
target
instanceof
Window
||
target
instanceof
Document
?
[
target
]
:
normalizeTarget
(
target
)
;
for
(
const
elem
of
targets
)
{
elem
.
removeEventListener
(
type
,
callback
,
options
)
;
}
}
static
click
(
target
)
{
for
(
const
elem
of
normalizeTarget
(
target
)
)
{
elem
.
dispatchEvent
(
new
MouseEvent
(
'click'
)
)
;
}
}
}
dom
.
cl
=
class
{
static
add
(
target
,
name
)
{
if
(
Array
.
isArray
(
name
)
)
{
for
(
const
elem
of
normalizeTarget
(
target
)
)
{
elem
.
classList
.
add
(
...
name
)
;
}
}
else
{
for
(
const
elem
of
normalizeTarget
(
target
)
)
{
elem
.
classList
.
add
(
name
)
;
}
}
}
static
remove
(
target
,
name
)
{
if
(
Array
.
isArray
(
name
)
)
{
for
(
const
elem
of
normalizeTarget
(
target
)
)
{
elem
.
classList
.
remove
(
...
name
)
;
}
}
else
{
for
(
const
elem
of
normalizeTarget
(
target
)
)
{
elem
.
classList
.
remove
(
name
)
;
}
}
}
static
toggle
(
target
,
name
,
state
)
{
let
r
;
for
(
const
elem
of
normalizeTarget
(
target
)
)
{
r
=
elem
.
classList
.
toggle
(
name
,
state
)
;
}
return
r
;
}
static
has
(
target
,
name
)
{
for
(
const
elem
of
normalizeTarget
(
target
)
)
{
if
(
elem
.
classList
.
contains
(
name
)
)
{
return
true
;
}
}
return
false
;
}
}
;
/******************************************************************************/
/**
*
@type
{
import("../typings/UserJS.d.ts").qsA
}
*/
const
qsA
=
(
selectors
,
root
)
=>
{
try
{
return
(
root
||
document
)
.
querySelectorAll
(
selectors
)
;
}
catch
(
ex
)
{
console
.
error
(
ex
)
;
}
return
[
]
;
}
;
/**
*
@type
{
import("../typings/UserJS.d.ts").qs
}
*/
const
qs
=
(
selector
,
root
)
=>
{
try
{
return
(
root
||
document
)
.
querySelector
(
selector
)
;
}
catch
(
ex
)
{
console
.
error
(
ex
)
;
}
return
null
;
}
;
/**
* Prefix for `document.querySelector()` w/ Promise
*
@template
{ Element } E
*
@param
{
string
} selector - Element for query selection
*
@param
{
E
} root - Root selector Element
*
@returns
{
Promise<E | null>
}
*/
const
query
=
async
(
selector
,
root
)
=>
{
let
el
=
null
;
try
{
el
=
root
||
document
;
while
(
el
.
querySelector
(
selector
)
===
null
)
{
// await new Promise((resolve) => requestAnimationFrame(resolve));
await
new
Promise
(
(
resolve
)
=>
{
const
queryTimer
=
new
SafeAnimationFrame
(
resolve
)
;
queryTimer
.
start
(
1
)
;
}
)
;
}
return
el
.
querySelector
(
selector
)
;
}
catch
(
ex
)
{
console
.
error
(
ex
)
;
}
return
el
;
}
;
export
{
dom
,
normalizeTarget
,
qs
,
qsA
,
query
,
SafeAnimationFrame
}
;
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