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core/src
getTotalVisibleNodes
Function getTotalVisibleNodes
getTotalVisibleNodes
<
T
>
(
flatNodes
:
readonly
Readonly
<
{
ancestorIsLast
:
readonly
boolean
[]
;
depth
:
number
;
hasChildren
:
boolean
;
key
:
string
;
node
:
T
;
parentKey
:
string
|
null
;
siblingCount
:
number
;
siblingIndex
:
number
;
}
,
>
[]
,
)
:
number
Count total visible nodes for virtualization.
Type Parameters
T
Parameters
flatNodes
:
readonly
Readonly
<
{
ancestorIsLast
:
readonly
boolean
[]
;
depth
:
number
;
hasChildren
:
boolean
;
key
:
string
;
node
:
T
;
parentKey
:
string
|
null
;
siblingCount
:
number
;
siblingIndex
:
number
;
}
,
>
[]
Flattened node list
Returns
number
Total count
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Count total visible nodes for virtualization.