Function tryElaborateArrayLikeErrors

test/fixtures/snapshot/typescript.js:64942–64969

* Try and elaborate array and tuple errors. Returns false * if we have found an elaboration, or we should ignore * any other elaborations when relating the `source` and * `target` types.

(source, target, reportErrors)

             * `target` types.
             */
            function tryElaborateArrayLikeErrors(source, target, reportErrors) {
                /**
                 * The spec for elaboration is:
                 * - If the source is a readonly tuple and the target is a mutable array or tuple, elaborate on mutability and skip property elaborations.
                 * - If the source is a tuple then skip property elaborations if the target is an array or tuple.
                 * - If the source is a readonly array and the target is a mutable array or tuple, elaborate on mutability and skip property elaborations.
                 * - If the source an array then skip property elaborations if the target is a tuple.
                 */
                if (isTupleType(source)) {
                    if (source.target.readonly && isMutableArrayOrTuple(target)) {
                        if (reportErrors) {
                            reportError(ts.Diagnostics.The_type_0_is_readonly_and_cannot_be_assigned_to_the_mutable_type_1, typeToString(source), typeToString(target));
                        }
                        return false;
                    }
                    return isArrayOrTupleType(target);
                }
                if (isReadonlyArrayType(source) && isMutableArrayOrTuple(target)) {
                    if (reportErrors) {
                        reportError(ts.Diagnostics.The_type_0_is_readonly_and_cannot_be_assigned_to_the_mutable_type_1, typeToString(source), typeToString(target));
                    }
                    return false;
                }
                if (isTupleType(target)) {
                    return isArrayType(source);
                }
                return true;
            }
            function isRelatedToWorker(source, target, reportErrors) {
                return isRelatedTo(source, target, 3 /* RecursionFlags.Both */, reportErrors);
            }