Function isConstructedBy

test/fixtures/snapshot/typescript.js:71228–71239

(source, target)

                // Filter out types that are not considered to be "constructed by" the `candidate` type.
                return filterType(type, function (t) { return isConstructedBy(t, candidate); });
                function isConstructedBy(source, target) {
                    // If either the source or target type are a class type then we need to check that they are the same exact type.
                    // This is because you may have a class `A` that defines some set of properties, and another class `B`
                    // that defines the same set of properties as class `A`, in that case they are structurally the same
                    // type, but when you do something like `instanceOfA.constructor === B` it will return false.
                    if (source.flags & 524288 /* TypeFlags.Object */ && ts.getObjectFlags(source) & 1 /* ObjectFlags.Class */ ||
                        target.flags & 524288 /* TypeFlags.Object */ && ts.getObjectFlags(target) & 1 /* ObjectFlags.Class */) {
                        return source.symbol === target.symbol;
                    }
                    // For all other types just check that the `source` type is a subtype of the `target` type.
                    return isTypeSubtypeOf(source, target);
                }
            }
            function narrowTypeByInstanceof(type, expr, assumeTrue) {
                var left = getReferenceCandidate(expr.left);