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add support for destructuring object exports in getAnExportedValue

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This commit is contained in:
Erik Krogh Kristensen
2020-10-05 21:24:02 +02:00
parent c1b5357e74
commit 7d8bb339b6
2 changed files with 9 additions and 0 deletions
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7
javascript/ql/src/semmle/javascript/ES2015Modules.qll
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@@ -395,6 +395,13 @@ class ExportNamedDeclaration extends ExportDeclaration, @export_named_declaratio
result = DataFlow::valueNode(d.getSource())
)
or
exists(ObjectPattern obj | obj = getOperand().(DeclStmt).getADecl().getBindingPattern() |
exists(DataFlow::PropRead read | read = result |
read.getBase() = obj.flow() and
name = read.getPropertyName()
)
)
or
exists(ExportSpecifier spec | spec = getASpecifier() and name = spec.getExportedName() |
not exists(getImportedPath()) and result = DataFlow::valueNode(spec.getLocal())
or

2
javascript/ql/test/library-tests/Modules/tests.expected
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@@ -71,6 +71,7 @@ test_Imports
test_Module_exports
| a.js:1:1:5:32 | <toplevel> | default | a.js:1:16:3:1 | functio ... n 23;\\n} |
| a.js:1:1:5:32 | <toplevel> | x | a.js:5:18:5:20 | f() |
| a.js:1:1:5:32 | <toplevel> | y | a.js:5:25:5:25 | y |
| b.js:1:1:8:0 | <toplevel> | f2 | a.js:1:16:3:1 | functio ... n 23;\\n} |
| b.js:1:1:8:0 | <toplevel> | g | b.js:5:10:5:10 | f |
| e.js:1:1:4:0 | <toplevel> | g | a.js:1:16:3:1 | functio ... n 23;\\n} |
@@ -135,6 +136,7 @@ test_getLocalName
test_getSourceNode
| a.js:1:1:3:1 | export ... n 23;\\n} | default | a.js:1:16:3:1 | functio ... n 23;\\n} |
| a.js:5:1:5:32 | export ... } = o; | x | a.js:5:18:5:20 | f() |
| a.js:5:1:5:32 | export ... } = o; | y | a.js:5:25:5:25 | y |
| b.js:5:1:5:18 | export { f as g }; | g | b.js:5:10:5:10 | f |
| b.js:7:1:7:21 | export ... './a'; | f2 | a.js:1:16:3:1 | functio ... n 23;\\n} |
| e.js:2:1:2:16 | export { x, y }; | x | e.js:2:10:2:10 | x |