adaptive-expressions package

Classes

Abs	Returns the absolute value of the specified number.
Accessor	Used to access the variable value corresponding to the path.
Add	Return the result from adding two or more numbers (pure number case) or concatting two or more strings (other case).
AddDays	Add a number of days to a timestamp.
AddHours	Add a number of hours to a timestamp.
AddMinutes	Add a number of minutes to a timestamp.
AddOrdinal	Return the ordinal number of the input number.
AddProperty	Add a property and its value, or name-value pair, to a JSON object, and return the updated object. If the object already exists at runtime the function throws an error.
AddSeconds	Add a number of seconds to a timestamp.
AddToTime	Add a number of time units to a timestamp.
All	Determines whether all elements of a sequence satisfy a condition.
And	Return true if all expressions are true or return false if at least one expression is false.
Any	Determines whether any element of a sequence satisfies a condition.
Average	Return the average of a numeric array.
Base64	Return the base64-encoded version of a string or byte array.
Base64ToBinary	Return the binary array of a base64-encoded string.
Base64ToString	Return the string version of a base64-encoded string, effectively decoding the base64 string.
Binary	Return the binary version of a string.
Bool	Return the Boolean version of a value.
Ceiling	Returns the smallest integral value that is greater than or equal to the specified number.
Coalesce	Return the first non-null value from one or more parameters. Empty strings, empty arrays, and empty objects are not null.
ComparisonEvaluator	Comparison operators. A comparison operator returns false if the comparison is false, or there is an error. This prevents errors from short-circuiting boolean expressions.
Concat	Combine two or more strings, and return the combined string.
Contains	Check whether a collection has a specific item. Return true if the item is found, or return false if not found. This function is case-sensitive.
ConvertFromUTC	Convert a timestamp from Universal Time Coordinated (UTC) to a target time zone.
ConvertToUTC	Convert a timestamp to Universal Time Coordinated (UTC) from the source time zone.
Count	Return the number of items in a collection.
CountWord	Return the number of words in a string.
CreateArray	Return an array from multiple inputs.
DataUri	Return a data uniform resource identifier (URI) of a string.
DataUriToBinary	Return the binary version of a data uniform resource identifier (URI).
DataUriToString	Return the string version of a data uniform resource identifier (URI).
DateFunc	Return the date of a specified timestamp in m/dd/yyyy format.
DateReadBack	Uses the date-time library to provide a date readback.
DateTimeDiff	Return a number of ticks that the two timestamps differ.
DayOfMonth	Return the day of the month from a timestamp.
DayOfWeek	Return the day of the week from a timestamp.
DayOfYear	Return the day of the year from a timestamp.
Divide	Return the integer result from dividing two numbers.
Element	The indexing operator ([ ]) selects a single element from a sequence. Support number index for list or string index for object.
Empty	Check whether an instance is empty. Return true if the input is empty. Empty means: 1.Input is null or undefined. 2.Input is a null or empty string. 3.Input is zero size collection. 4.Input is an object with no property.
EndsWith	Check whether a string ends with a specific substring. Return true if the substring is found, or return false if not found. This function is case-insensitive.
EOL	Return the newline string according to the environment.
Equal	Check whether both values, expressions, or objects are equivalent. Return true if both are equivalent, or return false if they're not equivalent.
Exists	Evaluates an expression for truthiness.
First	Return the first item from a string or array.
Flatten	Flatten an array into non-array values. You can optionally set the maximum depth to flatten to.
Float	Convert the string version of a floating-point number to a floating-point number.
Floor	Returns the largest integer less than or equal to the specified number.
Foreach	Operate on each element and return the new collection.
FormatDateTime	Return a timestamp in the specified format. Format reference: https://docs.microsoft.com/en-us/dotnet/standard/base-types/custom-date-and-time-format-strings
FormatEpoch	Return a timestamp in the specified format from UNIX time (also know as Epoch time, POSIX time, UNIX Epoch time).
FormatNumber	Format number into required decimal numbers.
FormatTicks	Return a timestamp in the specified format from ticks.
GetFutureTime	Return the current timestamp plus the specified time units.
GetNextViableDate	Return the next viable date of a timex expression based on the current date and user's timezone.
GetNextViableTime	Return the next viable time of a timex expression based on the current time and user's timezone.
GetPastTime	Return the current timestamp minus the specified time units.
GetPreviousViableDate	Return the previous viable date of a timex expression based on the current date and user's timezone.
GetPreviousViableTime	Return the previous viable time of a timex expression based on the current time and user's timezone.
GetProperty	Retrieve the value of the specified property from the JSON object.
GetTimeOfDay	Returns time of day for a given timestamp.
GreaterThan	Check whether the first value is greater than the second value. Return true if the first value is more, or return false if less.
GreaterThanOrEqual	Check whether the first value is greater than or equal to the second value. Return true when the first value is greater or equal, or return false if the first value is less.
If	Check whether an expression is true or false. Based on the result, return a specified value.
Ignore	Mark a clause so that MostSpecificSelector will ignore it. MostSpecificSelector considers A & B to be more specific than A, but some clauses are unique and incomparable.
IndexOf	Returns the index of the first occurrence of a value in an array. The zero-based index position of value if that value is found, or -1 if it is not.
IndicesAndValues	Turn an array or object into an array of objects with index and value properties. For arrays, the index is the position in the array. For objects, it is the key for the value.
Int	Return the integer version of a string.
Intersection	Return a collection that has only the common items across the specified collections. To appear in the result, an item must appear in all the collections passed to this function. If one or more items have the same name, the last item with that name appears in the result.
IsArray	Return true if a given input is an array.
IsBoolean	Return true if a given input is a Boolean.
IsDate	Return true if a given TimexProperty or timex string refers to a valid date. Valid dates contain the month and dayOfMonth, or contain the dayOfWeek.
IsDateRange	Return true if a given TimexProperty or Timex expression refers to a valid date range.
IsDateTime	Return true if a given input is a UTC ISO format (YYYY-MM-DDTHH:mm:ss.fffZ) timestamp string.
IsDefinite	Return true if a given TimexProperty or Timex expression refers to a valid date. Valid dates contain the year, month and dayOfMonth.
IsDuration	Return true if a given TimexProperty or Timex expression refers to a valid duration.
IsFloat	Return true if a given input is a floating-point number. Due to the alignment between C# and JavaScript, a number with an non-zero residue of its modulo 1 will be treated as a floating-point number.
IsInteger	Return true if a given input is an integer number. Due to the alignment between C# and JavaScript, a number with a zero residue of its modulo 1 will be treated as an integer number.
IsMatch	Return true if a given string matches a specified regular expression pattern.
IsObject	Return true if a given input is a complex object or return false if it is a primitive object. Primitive objects include strings, numbers, and Booleans; complex types, contain properties.
IsPresent	Return true if a given TimexProperty or Timex expression refers to the present.
IsString	Return true if a given input is a string.
IsTime	Return true if a given TimexProperty or Timex expression refers to a valid time. Valid time contains hours, minutes and seconds.
IsTimeRange	Return true if a given TimexProperty or Timex string refers to a valid time range Valid time ranges contain partOfDay.
JPath	Check JSON or a JSON string for nodes or values that match a path expression, and return the matching nodes.
Join	Return a string that has all the items from an array, with each character separated by a delimiter.
Json	Return the JavaScript Object Notation (JSON) type value or object of a string or XML.
JsonStringify	Return the string version of a value.
Last	Return the last item from a collection.
LastIndexOf	Returns the index of the last occurrence of a specified value in an array. The zero-based index position of value if that value is found, or -1 if it is not.
Length	Return the length of a string.
LessThan	Check whether the first value is less than the second value. Return true if the first value is less, or return false if the first value is more.
LessThanOrEqual	Check whether the first value is less than or equal to the second value. Return true if the first value is less than or equal, or return false if the first value is more.
Max	Return the highest value from an array. The array is inclusive at both ends.
Merge	Merge multiple object(json) into one object(json). If the item is array, the elements of the array are merged as well.
Min	Return the lowest value from a set of numbers in an array.
Mod	Return the remainder from dividing two numbers.
Month	Return the month of the specified timestamp.
Multiply	Return the product from multiplying any number of numbers.
MultivariateNumericEvaluator	Numeric operators that can have 2 or more args.
NewGuid	Return a new Guid string.
Not	Check whether an expression is false. Return true if the expression is false, or return false if true.
NotEqual	Return true if the two items are not equal.
NumberTransformEvaluator	Evaluator that transforms a number to another number.
NumericEvaluator	Numeric operators that can have 1 or more args.
Optional	For the MostSpecificSelector, this is a short hand so that instead of having to do A & B || A you can do A & optional(B) to mean the same thing.
Or	Check whether at least one expression is true. Return true if at least one expression is true, or return false if all are false.
Power	Return exponentiation of one number to another.
Rand	Return a random integer from a specified range, which is inclusive only at the starting end.
Range	Return an integer array that starts from a specified integer with the given length.
RemoveProperty	Remove a property from an object and return the updated object.
Replace	Replace a substring with the specified string, and return the result string. This function is case-sensitive.
ReplaceIgnoreCase	Replace a substring with the specified string, and return the result string. This function is case-insensitive.
Reverse	Reverses the order of the elements in a String or Array.
Round	Rounds a number value to the nearest integer.
Select	Operate on each element and return the new collection of transformed elements.
SentenceCase	Capitalizing only the first word and leave others lowercase.
SetPathToValue	Set path in a JSON object to value.
SetProperty	Set the value of an object's property and return the updated object.
Skip	Remove items from the front of a collection, and return all the other items.
SortBy	Sort elements in the collection in ascending order and return the sorted collection.
SortByDescending	Sort elements in the collection in descending order, and return the sorted collection.
Split	Return an array that contains substrings, separated by commas, based on the specified delimiter character in the original string.
Sqrt	Returns the square root of a specified number.
StartOfDay	Return the start of the day for a timestamp.
StartOfHour	Return the start of the hour for a timestamp.
StartOfMonth	Return the start of the month for a timestamp.
StartsWith	Check whether a string starts with a specific substring. Return true if the substring is found, or return false if not found. This function is case-insensitive.
String	Return the string version of a value.
StringOrValue	Wrap string interpolation to get real value. For example: stringOrValue('${1}'), would get number 1 stringOrValue('${1} item'), would get string "1 item".
StringTransformEvaluator	Evaluator that transforms a string to another string.
SubArray	Returns a subarray from specified start and end positions. Index values start with the number 0.
Substring	Return characters from a string, starting from the specified position or index. Index values start with the number 0.
Subtract	Return the result from subtracting the next number from the previous number.
SubtractFromTime	Subtract a number of time units from a timestamp.
Sum	Return the result from adding numbers in an array.
Take	Return items from the front of an array or take the specific prefix from a string.
Ticks	Return the ticks property value of a specified timestamp. A tick is 100-nanosecond interval.
TicksToDays	Convert ticks to number of days.
TicksToHours	Convert ticks to number of hours.
TicksToMinutes	Convert ticks to number of minutes.
TimeTransformEvaluator	Evaluator that transforms a datetime to another datetime.
TimexResolve	Return true if a given TimexProperty or Timex expression refers to a valid time.
TitleCase	Converts the specified string to title case.
ToLower	Return a string in lowercase format. If a character in the string doesn't have a lowercase version, that character stays unchanged in the returned string.
ToUpper	Return a string in uppercase format. If a character in the string doesn't have an uppercase version, that character stays unchanged in the returned string.
Trim	Remove leading and trailing whitespace from a string, and return the updated string.
Union	Return a collection that has all the items from the specified collections. To appear in the result, an item can appear in any collection passed to this function. If one or more items have the same name, the last item with that name appears in the result.
Unique	Remove all duplicates from an array.
UriComponent	Return the binary version of a uniform resource identifier (URI) component.
UriComponentToString	Return the string version of a uniform resource identifier (URI) encoded string, effectively decoding the URI-encoded string.
UriHost	Return the host value of a unified resource identifier (URI).
UriPath	Return the path value of a unified resource identifier (URI).
UriPathAndQuery	Return the path and query value of a unified resource identifier (URI).
UriPort	Return the port value of a unified resource identifier (URI).
UriQuery	Return the query value of a unified resource identifier (URI).
UriScheme	Return the scheme value of a unified resource identifier (URI).
UtcNow	Return the current timestamp.
Where	Filter on each element and return the new collection of filtered elements which match a specific condition.
XML	Return the newline string according to the environment.
XPath	Return the newline string according to the environment.
Year	Return the year of the specified timestamp.
CommonRegex	Convert PCRE regex string to RegExp PCRE ref: http://www.pcre.org/. PCRE antlr g4 file: CommonRegex.g4.
Constant	Construct an expression constant.
ArrayExpressionConverter	array to json ArrayExpression converter.
BoolExpressionConverter	any value to json BoolExpression converter.
EnumExpressionConverter	string to json EnumExpression converter.
ExpressionConverter	string to json Expression converter.
IntExpressionConverter	string or number to json IntExpression converter.
NumberExpressionConverter	string or number to json NumberExpression converter.
ObjectExpressionConverter	any value to json ObjectExpressionConverter converter.
StringExpressionConverter	string to json StringExpression converter.
ValueExpressionConverter	any value to json ValueExpression converter.
Expression	An expression which can be analyzed or evaluated to produce a value. This provides an open-ended wrapper that supports a number of built-in functions and can also be extended at runtime. It also supports validation of the correctness of an expression and evaluation that should be exception free.
ExpressionEvaluator	Information on how to evaluate an expression.
ExpressionFunctions	Definition of default built-in functions for expressions.
ArrayExpression	Represents a property which is either a value of array of T or a string expression to bind to a array of T.
BoolExpression	Represents a property which is either a boolean or a string expression which resolves to a boolean.
EnumExpression	EnumExpression - represents a property which is either an enum of T or a string expression which resolves to an enum.
ExpressionProperty	Base class which defines an Expression or value for a property.
IntExpression	Represents a property which is either a int or a string expression which resolves to a int.
NumberExpression	Represents a property which is either a float or a string expression which resolves to a float.
ObjectExpression	Represents a property which is either an object of type T or a string expression which resolves to a object of type T.
StringExpression	Represents a property which is either a string value or a string expression.
ValueExpression	Represents a property which is an object of any kind or a string expression.
ExpressionType	Built-in expression types.
Extensions	Some util and extension functions
FunctionTable	FunctionTable is a dictionary which merges BuiltinFunctions.Functions with a CustomDictionary.
FunctionUtils	Utility functions in AdaptiveExpression.
InternalFunctionUtils	Utility functions only used internal
CommonRegexLexer
Alpha_numsContext
AlternationContext
AtomContext
CaptureContext
Cc_atomContext
Cc_literalContext
Character_classContext
CommonRegexParser
DigitContext
DigitsContext
ElementContext
ExprContext
LetterContext
LiteralContext
NameContext
Non_captureContext
Non_close_parenContext
Non_close_parensContext
NumberContext
Octal_charContext
Octal_digitContext
OptionContext
Option_flagContext
ParseContext
QuantifierContext
Quantifier_typeContext
Shared_atomContext
Shared_literalContext
SimpleObjectMemory	Simple implement of MemoryInterface
StackedMemory	Stack implements of MemoryInterface. Memory variables have a hierarchical relationship.
Options	Options used to define evaluation behaviors.
ExpressionParser	Parser to turn strings into Expression
ExpressionAntlrLexer
ArgsListContext
ArrayCreationExpContext
BinaryOpExpContext
ExpressionAntlrParser
ExpressionContext
FileContext
FuncInvokeExpContext
IdAtomContext
IndexAccessExpContext
JsonCreationExpContext
KeyContext
KeyValuePairContext
KeyValuePairListContext
LambdaContext
MemberAccessExpContext
NumericAtomContext
ParenthesisExpContext
PrimaryExpContext
PrimaryExpressionContext
StringAtomContext
StringInterpolationAtomContext
StringInterpolationContext
TextContentContext
TripleOpExpContext
UnaryOpExpContext
ParseErrorListener	Expression parser error listener.
Util	util class
RegexErrorListener	Error listener for Regex.
TimeZoneConverter	Time zone converter. (1) From Windows (.NET) timezone to iana timezone. (2) From iana timezone to windows (.NET) timezone. windows ref: https://support.microsoft.com/en-us/help/22803/daylight-saving-time. iana ref: https://www.iana.org/time-zones.
Clause	A canonical normal form expression.
Node	Node in a trigger tree.
Quantifier	Quantifier for allowing runtime expansion of expressions.
Trigger	A trigger is a combination of a trigger expression and the corresponding action.
TriggerTree	A trigger tree organizes evaluators according to generalization/specialization in order to make it easier to use rules.

Interfaces

ExpressionParserInterface	Interface to parse a string into an Expression
CommonRegexListener	This interface defines a complete listener for a parse tree produced by CommonRegexParser.
CommonRegexVisitor	This interface defines a complete generic visitor for a parse tree produced by CommonRegexParser.
MemoryInterface	Interface to parse a string into an Expression
ExpressionAntlrParserListener	This interface defines a complete listener for a parse tree produced by ExpressionAntlrParser.
ExpressionAntlrParserVisitor	This interface defines a complete generic visitor for a parse tree produced by ExpressionAntlrParser.
Optimizer	Optimize a clause by rewriting it.
PredicateComparer	Compare two predicates to identifiy the relationship between them.

Type Aliases

EvaluateExpressionDelegate	Delegate to evaluate an expression. Evaluators should verify runtime arguments when appropriate and return an error rather than throw exceptions if possible.
EvaluatorLookup	Delegate to lookup function information from the type.
ValidateExpressionDelegate	Delegate for doing static validation on an expression. Validators can and should throw exceptions if the expression is not valid.
ValueWithError	Value result with error.
VerifyExpression	Verify the result of an expression is of the appropriate type and return a string if not.
PredicateComparers

Enums

ReturnType	Type expected from evalating an expression.
QuantifierType	Type of quantifier for expanding trigger expressions.
RelationshipType	Relationship between trigger expressions.

Functions

convertCSharpDateTimeToDayjs(string)

Convert a CSharp style datetime format string to a Day.js style datetime format string. Ref: https://docs.microsoft.com/en-us/dotnet/standard/base-types/custom-date-and-time-format-strings

Function Details

convertCSharpDateTimeToDayjs(string)

Convert a CSharp style datetime format string to a Day.js style datetime format string. Ref: https://docs.microsoft.com/en-us/dotnet/standard/base-types/custom-date-and-time-format-strings

function convertCSharpDateTimeToDayjs(fmtString: string): string

Parameters

fmtString

string

A CSharp style datetime format string. Ref: https://day.js.org/docs/en/display/format

Returns

string

A Momengt.js style datetime format string.