helpers/helpers
library
Functions
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addChild(Model model, List arguments)
→ Future<void>
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byteListToHexString(List<int> bytes)
→ String
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byteToInt8(int b)
→ int
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Convert a byte length int value to an int value, for example a byte of 00000010 -> 2
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deleteInHashmap(HashMap map, int index)
→ void
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elementAt(Object list, int index)
→ dynamic
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List Item
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excludeFromTemplate(XmlElement node, Scope? scope)
→ bool
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fromBase64(dynamic s)
→ String?
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fromBase64() but safe to use on null
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Returns a String name given an Enum Type
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fromMap(Map? map, dynamic key, {dynamic defaultValue})
→ dynamic
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Returns a key value pair from a map if it exists, otherwise optionally return a default value else null
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fromMapAsBool(Map? map, dynamic key, {bool? defaultValue})
→ bool?
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Returns the value from fromMap as a bool if it is a bool
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fromMapAsDouble(Map map, dynamic key, {double? defaultValue})
→ double?
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Returns a value from fromMap as a double if it is numeric
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fromMapAsInt(Map? map, dynamic key, {int? defaultValue})
→ int?
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Returns the value from fromMap as an int if it is numeric
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fromXmlNode(Model parent, XmlElement node, Scope? scope, dynamic data)
→ Model?
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insertInHashmap(HashMap map, int index)
→ void
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isBool(dynamic b, {List<String> allow = const ['true', 'false', '1', '0', 'yes', 'no']})
→ bool
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Dynamic check for a boolean from a String/bool
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isNull(dynamic value)
→ bool
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Takes in a String/List and returns true if it is null, blank or empty
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isNullOrEmpty(dynamic s)
→ bool
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isNumeric(dynamic s)
→ bool
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Check if a String is numeric value
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isPercent(dynamic s)
→ bool
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Check if a String is a percentage value
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moveInHashmap(HashMap map, int fromIndex, int toIndex)
→ void
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newId({String prefix = "auto"})
→ String
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parseEmojis(String val)
→ String
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Parses Strings containing emoiji(s) in a text syntax like
:taco: to 🌮
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prototypeOf(XmlElement? node)
→ XmlElement?
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removeChild(Model model, List arguments)
→ Future<void>
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removeChildren(Model model, List arguments)
→ Future<void>
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removeWidget(Model model, List arguments)
→ Future<void>
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replaceChild(Model model, List arguments)
→ Future<void>
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replaceChildren(Model model, List arguments)
→ Future<void>
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replaceWidget(Model model, List arguments)
→ Future<void>
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toBool(dynamic s, {List<String> allowTrue = const ['true', '1', 'yes'], List<String> allowFalse = const ['false', '0', 'no']})
→ bool?
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toChar(DateTime? datetime, {String? format})
→ String?
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Helper function for an
eval._toDate()
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toColor(dynamic s)
→ Color?
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Returns an int from a String if it is a numeric value
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toDataUri(dynamic uri)
→ UriData?
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toDate(dynamic value, {String? format})
→ DateTime?
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Converts a String to a formattable DateTime object
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toDateString(dynamic value, {String? format, String? formatIn})
→ String?
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toDouble(dynamic s)
→ double?
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If a value (typically a String) is numeric return as a double
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toEnum<T>(String? key, List<T> values)
→ T?
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Returns an Enum given a Key [Value] pair
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toInt(dynamic s)
→ int?
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Returns an int from a String if it is a numeric value
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toNum(dynamic s, {dynamic allowMalformed = true})
→ num?
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Takes a value typically a String and if its numeric parsed will output a num
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toStr(dynamic s)
→ String?
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toString() but safe to use on null
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toTime(dynamic value, {String? format})
→ TimeOfDay?
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toTitleCase(String text)
→ String
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Returns a given String with all the first chars of each word capitalised and other chars lowercase
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twoByteToInt16(int v1, int v2)
→ int
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Convert two byte length int values to an int value, for example a byte of [00000001, 00000010] -> 258
