tyneq

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tyneq / createTerminalOperator

Function: createTerminalOperator()

createTerminalOperator<TSource, TArgs, TResult>(config): void

Defined in: src/plugin/registration/createTerminalOperator.ts:32

Registers a terminal operator using a plain function.

The simplest registration API for terminal operators. execute receives the full source sequence and any user arguments and returns a concrete value.

Type Parameters

Type Parameter
TSource
TArgs extends unknown[]
TResult

Parameters

Parameter	Type	Description
config	{ name: string; execute: (source, ...args) => TResult; validate?: (...args) => void; source?: OperatorSource; }	-
config.name	string	Method name to expose on every sequence.
config.execute	(source, ...args) => TResult	Function that consumes the source and returns a result.
config.validate?	(...args) => void	Optional eager validation for user-supplied arguments.
config.source?	OperatorSource	-

Returns

void

Example

import { createTerminalOperator } from "tyneq/plugin";

createTerminalOperator({
    name: "product",
    execute(source: Iterable<number>): number {
        let result = 1;
        for (const item of source) result *= item;
        return result;
    }
});