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RequireContextPlugin.js
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Created
Sat, Mar 15, 21:43
Size
4 KB
Mime Type
text/x-c++
Expires
Mon, Mar 17, 21:43 (2 d)
Engine
blob
Format
Raw Data
Handle
24952396
Attached To
rOACCT Open Access Compliance Check Tool (OACCT)
RequireContextPlugin.js
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict"
;
const
{
cachedSetProperty
}
=
require
(
"../util/cleverMerge"
);
const
ContextElementDependency
=
require
(
"./ContextElementDependency"
);
const
RequireContextDependency
=
require
(
"./RequireContextDependency"
);
const
RequireContextDependencyParserPlugin
=
require
(
"./RequireContextDependencyParserPlugin"
);
/** @typedef {import("../../declarations/WebpackOptions").ResolveOptions} ResolveOptions */
/** @typedef {import("../Compiler")} Compiler */
/** @type {ResolveOptions} */
const
EMPTY_RESOLVE_OPTIONS
=
{};
class
RequireContextPlugin
{
/**
* Apply the plugin
* @param {Compiler} compiler the compiler instance
* @returns {void}
*/
apply
(
compiler
)
{
compiler
.
hooks
.
compilation
.
tap
(
"RequireContextPlugin"
,
(
compilation
,
{
contextModuleFactory
,
normalModuleFactory
})
=>
{
compilation
.
dependencyFactories
.
set
(
RequireContextDependency
,
contextModuleFactory
);
compilation
.
dependencyTemplates
.
set
(
RequireContextDependency
,
new
RequireContextDependency
.
Template
()
);
compilation
.
dependencyFactories
.
set
(
ContextElementDependency
,
normalModuleFactory
);
const
handler
=
(
parser
,
parserOptions
)
=>
{
if
(
parserOptions
.
requireContext
!==
undefined
&&
!
parserOptions
.
requireContext
)
return
;
new
RequireContextDependencyParserPlugin
().
apply
(
parser
);
};
normalModuleFactory
.
hooks
.
parser
.
for
(
"javascript/auto"
)
.
tap
(
"RequireContextPlugin"
,
handler
);
normalModuleFactory
.
hooks
.
parser
.
for
(
"javascript/dynamic"
)
.
tap
(
"RequireContextPlugin"
,
handler
);
contextModuleFactory
.
hooks
.
alternativeRequests
.
tap
(
"RequireContextPlugin"
,
(
items
,
options
)
=>
{
if
(
items
.
length
===
0
)
return
items
;
const
finalResolveOptions
=
compiler
.
resolverFactory
.
get
(
"normal"
,
cachedSetProperty
(
options
.
resolveOptions
||
EMPTY_RESOLVE_OPTIONS
,
"dependencyType"
,
options
.
category
)
).
options
;
let
newItems
;
if
(
!
finalResolveOptions
.
fullySpecified
)
{
newItems
=
[];
for
(
const
item
of
items
)
{
const
{
request
,
context
}
=
item
;
for
(
const
ext
of
finalResolveOptions
.
extensions
)
{
if
(
request
.
endsWith
(
ext
))
{
newItems
.
push
({
context
,
request
:
request
.
slice
(
0
,
-
ext
.
length
)
});
}
}
if
(
!
finalResolveOptions
.
enforceExtension
)
{
newItems
.
push
(
item
);
}
}
items
=
newItems
;
newItems
=
[];
for
(
const
obj
of
items
)
{
const
{
request
,
context
}
=
obj
;
for
(
const
mainFile
of
finalResolveOptions
.
mainFiles
)
{
if
(
request
.
endsWith
(
`
/
$
{
mainFile
}
`
))
{
newItems
.
push
({
context
,
request
:
request
.
slice
(
0
,
-
mainFile
.
length
)
});
newItems
.
push
({
context
,
request
:
request
.
slice
(
0
,
-
mainFile
.
length
-
1
)
});
}
}
newItems
.
push
(
obj
);
}
items
=
newItems
;
}
newItems
=
[];
for
(
const
item
of
items
)
{
let
hideOriginal
=
false
;
for
(
const
modulesItems
of
finalResolveOptions
.
modules
)
{
if
(
Array
.
isArray
(
modulesItems
))
{
for
(
const
dir
of
modulesItems
)
{
if
(
item
.
request
.
startsWith
(
`
.
/
$
{
dir
}
/
`
))
{
newItems
.
push
({
context
:
item
.
context
,
request
:
item
.
request
.
slice
(
dir
.
length
+
3
)
});
hideOriginal
=
true
;
}
}
}
else
{
const
dir
=
modulesItems
.
replace
(
/\\/g
,
"/"
);
const
fullPath
=
item
.
context
.
replace
(
/\\/g
,
"/"
)
+
item
.
request
.
slice
(
1
);
if
(
fullPath
.
startsWith
(
dir
))
{
newItems
.
push
({
context
:
item
.
context
,
request
:
fullPath
.
slice
(
dir
.
length
+
1
)
});
}
}
}
if
(
!
hideOriginal
)
{
newItems
.
push
(
item
);
}
}
return
newItems
;
}
);
}
);
}
}
module
.
exports
=
RequireContextPlugin
;
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