Function checkDeclarationInitializer

test/fixtures/snapshot/typescript.js:79536–79545

(declaration, checkMode, contextualType)

                ts.isJSDocTypeAssertion(node);
        }
        function checkDeclarationInitializer(declaration, checkMode, contextualType) {
            var initializer = ts.getEffectiveInitializer(declaration);
            var type = getQuickTypeOfExpression(initializer) ||
                (contextualType ?
                    checkExpressionWithContextualType(initializer, contextualType, /*inferenceContext*/ undefined, checkMode || 0 /* CheckMode.Normal */)
                    : checkExpressionCached(initializer, checkMode));
            return ts.isParameter(declaration) && declaration.name.kind === 202 /* SyntaxKind.ArrayBindingPattern */ &&
                isTupleType(type) && !type.target.hasRestElement && getTypeReferenceArity(type) < declaration.name.elements.length ?
                padTupleType(type, declaration.name) : type;
        }
        function padTupleType(type, pattern) {
            var patternElements = pattern.elements;
            var elementTypes = getTypeArguments(type).slice();