Class: Function_
Function represents a resolver provided by a Module.
A function always evaluates against a parent object and is given a set of named arguments.
Extends
BaseClient
Constructors
new Function_()
new Function_(
parent?,_id?,_description?,_name?):Function_
Constructor is used for internal usage only, do not create object from it.
Parameters
• parent?
• parent.ctx?: Context
• parent.queryTree?: QueryTree[]
• _id?: FunctionID
• _description?: string
• _name?: string
Returns
Overrides
BaseClient.constructor
Methods
args()
args():
Promise<FunctionArg[]>
Arguments accepted by the function, if any.
Returns
Promise<FunctionArg[]>
description()
description():
Promise<string>
A doc string for the function, if any.
Returns
Promise<string>
id()
id():
Promise<FunctionID>
A unique identifier for this Function.
Returns
Promise<FunctionID>
name()
name():
Promise<string>
The name of the function.
Returns
Promise<string>
returnType()
returnType():
TypeDef
The type returned by the function.
Returns
sourceMap()
sourceMap():
SourceMap
The location of this function declaration.
Returns
with()
with(
arg):Function_
Call the provided function with current Function.
This is useful for reusability and readability by not breaking the calling chain.
Parameters
• arg
Returns
withArg()
withArg(
name,typeDef,opts?):Function_
Returns the function with the provided argument
Parameters
• name: string
The name of the argument
• typeDef: TypeDef
The type of the argument
• opts?: FunctionWithArgOpts
Returns
withDescription()
withDescription(
description):Function_
Returns the function with the given doc string.
Parameters
• description: string
The doc string to set.
Returns
withSourceMap()
withSourceMap(
sourceMap):Function_
Returns the function with the given source map.
Parameters
• sourceMap: SourceMap
The source map for the function definition.