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getWatcherManager.js
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Created
Wed, Jul 31, 03:21
Size
1 KB
Mime Type
text/x-c++
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Fri, Aug 2, 03:21 (2 d)
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blob
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19474528
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rOACCT Open Access Compliance Check Tool (OACCT)
getWatcherManager.js
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict"
;
const
path
=
require
(
"path"
);
const
DirectoryWatcher
=
require
(
"./DirectoryWatcher"
);
class
WatcherManager
{
constructor
(
options
)
{
this
.
options
=
options
;
this
.
directoryWatchers
=
new
Map
();
}
getDirectoryWatcher
(
directory
)
{
const
watcher
=
this
.
directoryWatchers
.
get
(
directory
);
if
(
watcher
===
undefined
)
{
const
newWatcher
=
new
DirectoryWatcher
(
this
,
directory
,
this
.
options
);
this
.
directoryWatchers
.
set
(
directory
,
newWatcher
);
newWatcher
.
on
(
"closed"
,
()
=>
{
this
.
directoryWatchers
.
delete
(
directory
);
});
return
newWatcher
;
}
return
watcher
;
}
watchFile
(
p
,
startTime
)
{
const
directory
=
path
.
dirname
(
p
);
if
(
directory
===
p
)
return
null
;
return
this
.
getDirectoryWatcher
(
directory
).
watch
(
p
,
startTime
);
}
watchDirectory
(
directory
,
startTime
)
{
return
this
.
getDirectoryWatcher
(
directory
).
watch
(
directory
,
startTime
);
}
}
const
watcherManagers
=
new
WeakMap
();
/**
* @param {object} options options
* @returns {WatcherManager} the watcher manager
*/
module
.
exports
=
options
=>
{
const
watcherManager
=
watcherManagers
.
get
(
options
);
if
(
watcherManager
!==
undefined
)
return
watcherManager
;
const
newWatcherManager
=
new
WatcherManager
(
options
);
watcherManagers
.
set
(
options
,
newWatcherManager
);
return
newWatcherManager
;
};
module
.
exports
.
WatcherManager
=
WatcherManager
;
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