Function propertiesRelatedTo

test/fixtures/snapshot/typescript.js:66441–66583

(source, target, reportErrors, excludedProperties, intersectionState)

                // No array like or unmatched property error - just issue top level error (errorInfo = undefined)
            }
            function propertiesRelatedTo(source, target, reportErrors, excludedProperties, intersectionState) {
                if (relation === identityRelation) {
                    return propertiesIdenticalTo(source, target, excludedProperties);
                }
                var result = -1 /* Ternary.True */;
                if (isTupleType(target)) {
                    if (isArrayOrTupleType(source)) {
                        if (!target.target.readonly && (isReadonlyArrayType(source) || isTupleType(source) && source.target.readonly)) {
                            return 0 /* Ternary.False */;
                        }
                        var sourceArity = getTypeReferenceArity(source);
                        var targetArity = getTypeReferenceArity(target);
                        var sourceRestFlag = isTupleType(source) ? source.target.combinedFlags & 4 /* ElementFlags.Rest */ : 4 /* ElementFlags.Rest */;
                        var targetRestFlag = target.target.combinedFlags & 4 /* ElementFlags.Rest */;
                        var sourceMinLength = isTupleType(source) ? source.target.minLength : 0;
                        var targetMinLength = target.target.minLength;
                        if (!sourceRestFlag && sourceArity < targetMinLength) {
                            if (reportErrors) {
                                reportError(ts.Diagnostics.Source_has_0_element_s_but_target_requires_1, sourceArity, targetMinLength);
                            }
                            return 0 /* Ternary.False */;
                        }
                        if (!targetRestFlag && targetArity < sourceMinLength) {
                            if (reportErrors) {
                                reportError(ts.Diagnostics.Source_has_0_element_s_but_target_allows_only_1, sourceMinLength, targetArity);
                            }
                            return 0 /* Ternary.False */;
                        }
                        if (!targetRestFlag && (sourceRestFlag || targetArity < sourceArity)) {
                            if (reportErrors) {
                                if (sourceMinLength < targetMinLength) {
                                    reportError(ts.Diagnostics.Target_requires_0_element_s_but_source_may_have_fewer, targetMinLength);
                                }
                                else {
                                    reportError(ts.Diagnostics.Target_allows_only_0_element_s_but_source_may_have_more, targetArity);
                                }
                            }
                            return 0 /* Ternary.False */;
                        }
                        var sourceTypeArguments = getTypeArguments(source);
                        var targetTypeArguments = getTypeArguments(target);
                        var startCount = Math.min(isTupleType(source) ? getStartElementCount(source.target, 11 /* ElementFlags.NonRest */) : 0, getStartElementCount(target.target, 11 /* ElementFlags.NonRest */));
                        var endCount = Math.min(isTupleType(source) ? getEndElementCount(source.target, 11 /* ElementFlags.NonRest */) : 0, targetRestFlag ? getEndElementCount(target.target, 11 /* ElementFlags.NonRest */) : 0);
                        var canExcludeDiscriminants = !!excludedProperties;
                        for (var i = 0; i < targetArity; i++) {
                            var sourceIndex = i < targetArity - endCount ? i : i + sourceArity - targetArity;
                            var sourceFlags = isTupleType(source) && (i < startCount || i >= targetArity - endCount) ? source.target.elementFlags[sourceIndex] : 4 /* ElementFlags.Rest */;
                            var targetFlags = target.target.elementFlags[i];
                            if (targetFlags & 8 /* ElementFlags.Variadic */ && !(sourceFlags & 8 /* ElementFlags.Variadic */)) {
                                if (reportErrors) {
                                    reportError(ts.Diagnostics.Source_provides_no_match_for_variadic_element_at_position_0_in_target, i);
                                }
                                return 0 /* Ternary.False */;
                            }
                            if (sourceFlags & 8 /* ElementFlags.Variadic */ && !(targetFlags & 12 /* ElementFlags.Variable */)) {
                                if (reportErrors) {
                                    reportError(ts.Diagnostics.Variadic_element_at_position_0_in_source_does_not_match_element_at_position_1_in_target, sourceIndex, i);
                                }