function _getTranslatedField()

in api/Serialization.ts [157:254]
88 lines of code
25 McCabe index (conditional complexity)

    function _getTranslatedField(fieldValue: any, fieldMetadata: ContractFieldMetadata, serialize: boolean, preserveOriginal: boolean) {

        if (!fieldValue) {
            return fieldValue;
        }

        if (fieldMetadata.isArray) {
            if (Array.isArray(fieldValue)) {

                var newArray: any[] = [],
                    processedArray: any[] = fieldValue;

                for(var index = 0; index < fieldValue.length; index++) {
                    var arrayValue = fieldValue[index];
                    var processedValue = arrayValue;
                    if (fieldMetadata.isDate) {
                        processedValue = _getTranslatedDateValue(arrayValue, serialize);
                    }
                    else if (fieldMetadata.enumType) {
                        processedValue = _getTranslatedEnumValue(fieldMetadata.enumType, arrayValue, serialize);
                    }
                    else if (fieldMetadata.typeInfo) {
                        if (Array.isArray(arrayValue)) {
                            processedValue = _getTranslatedArray(arrayValue, fieldMetadata.typeInfo, serialize, preserveOriginal);
                        }
                        else {
                            processedValue = _getTranslatedObject(arrayValue, fieldMetadata.typeInfo, serialize, preserveOriginal);
                        }
                    }

                    if (preserveOriginal) {
                        newArray.push(processedValue);
                        if (processedValue !== arrayValue) {
                            processedArray = newArray;
                        }
                    }
                    else {
                        fieldValue[index] = processedValue;
                    }
                }

                return processedArray;
            }
            else {
                return fieldValue;
            }
        }
        else if (fieldMetadata.isDictionary) {
            var dictionaryModified = false;
            var newDictionary = <any>{};

            for(var key in fieldValue) {
                var dictionaryValue = fieldValue[key];
                var newKey = key,
                    newValue = dictionaryValue;

                if (fieldMetadata.dictionaryKeyIsDate) {
                    newKey = _getTranslatedDateValue(key, serialize);
                }
                else if (fieldMetadata.dictionaryKeyEnumType) {
                    newKey = _getTranslatedEnumValue(fieldMetadata.dictionaryKeyEnumType, key, serialize);
                }

                if (fieldMetadata.dictionaryValueIsDate) {
                    newValue = _getTranslatedDateValue(dictionaryValue, serialize);
                }
                else if (fieldMetadata.dictionaryValueEnumType) {
                    newValue = _getTranslatedEnumValue(fieldMetadata.dictionaryValueEnumType, dictionaryValue, serialize);
                }
                else if (fieldMetadata.dictionaryValueTypeInfo) {
                    newValue = _getTranslatedObject(newValue, fieldMetadata.dictionaryValueTypeInfo, serialize, preserveOriginal);
                }
                else if (fieldMetadata.dictionaryValueFieldInfo) {
                    newValue = _getTranslatedField(dictionaryValue, fieldMetadata.dictionaryValueFieldInfo, serialize, preserveOriginal);
                }

                newDictionary[newKey] = newValue;
                if (key !== newKey || dictionaryValue !== newValue) {
                    dictionaryModified = true;
                }
            }
            return dictionaryModified ? newDictionary : fieldValue;
        }
        else {
            if (fieldMetadata.isDate) {
                return _getTranslatedDateValue(fieldValue, serialize);
            }
            else if (fieldMetadata.enumType) {
                return _getTranslatedEnumValue(fieldMetadata.enumType, fieldValue, serialize);
            }
            else if (fieldMetadata.typeInfo) {
                return _getTranslatedObject(fieldValue, fieldMetadata.typeInfo, serialize, preserveOriginal);
            }
            else {
                return fieldValue;
            }
        }
    }