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JS: refactor isReactImportForJSX

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This commit is contained in:
Esben Sparre Andreasen
2018-11-28 08:21:12 +01:00
parent 41edd61e2e
commit 737a816e6f
1 changed files with 16 additions and 12 deletions
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28
javascript/ql/src/Declarations/UnusedVariable.ql
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@@ -54,19 +54,23 @@ predicate isPropertyFilter(UnusedLocal v) {
* references it.
*/
predicate isReactImportForJSX(UnusedLocal v) {
exists (ImportSpecifier is |
is.getLocal() = v.getADeclaration() and
exists (JSXNode jsx | jsx.getTopLevel() = is.getTopLevel())
exists(JSXNode jsx, TopLevel tl |
jsx.getTopLevel() = tl and
v.getADeclaration().getTopLevel() = tl and
(
v.getName() = "React"
or
// legacy `@jsx` pragmas
exists(JSXPragma p | p.getTopLevel() = tl | p.getDOMName() = v.getName())
or
// JSX pragma from a .babelrc file
exists(Babel::TransformReactJsxConfig plugin |
plugin.appliesTo(tl) and
plugin.getJsxFactoryVariableName() = v.getName()
)
)
|
v.getName() = "React"
or
// legacy `@jsx` pragmas
exists (JSXPragma p | p.getTopLevel() = is.getTopLevel() | p.getDOMName() = v.getName())
or
// JSX pragma from a .babelrc file
exists (Babel::TransformReactJsxConfig plugin |
plugin.appliesTo(is.getTopLevel()) and
plugin.getJsxFactoryVariableName() = v.getName())
v.getADeclaration() = any(ImportDeclaration imp).getASpecifier().getLocal()
)
}