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19 lines
545 B
Plaintext
19 lines
545 B
Plaintext
/**
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* Provides predicates for working with the DOM type hierarchy.
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*/
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import semmle.javascript.Externs
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/** Holds if `et` is a root interface of the DOM type hierarchy. */
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predicate isDOMRootType(ExternalType et) {
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exists(string n | n = et.getName() | n = "EventTarget" or n = "StyleSheet")
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}
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/** Holds if `p` is declared as a property of a DOM class or interface. */
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pragma[nomagic]
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predicate isDOMProperty(string p) {
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exists(ExternalMemberDecl emd | emd.getName() = p |
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isDOMRootType(emd.getDeclaringType().getASupertype*())
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)
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}
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