Function isEffectiveModuleDeclaration

test/fixtures/snapshot/typescript.js:15000–15002

* An effective module (namespace) declaration is either * 1. An actual declaration: namespace X { ... } * 2. A Javascript declaration, which is: * An identifier in a nested property access expression: Y in `X.Y.Z = { ... }`

(node)

     *    An identifier in a nested property access expression: Y in `X.Y.Z = { ... }`
     */
    function isEffectiveModuleDeclaration(node) {
        return ts.isModuleDeclaration(node) || ts.isIdentifier(node);
    }
    ts.isEffectiveModuleDeclaration = isEffectiveModuleDeclaration;
    /** Given a symbol for a module, checks that it is a shorthand ambient module. */
    function isShorthandAmbientModuleSymbol(moduleSymbol) {