isMatching | /is-matching.ts | fuzzy_octo_guacamole@v2.0.0

function isMatching

import { isMatching } from "https://deno.land/x/fuzzy_octo_guacamole@v2.0.0/is-matching.ts";

isMatching>(pattern: p): (value: any) => value is MatchedValue<any, P.infer>

isMatching takes pattern and returns a type guard function, cheching if a value matches this pattern.

isMatching>(pattern: p, value: any): value is MatchedValue<any, P.infer>

isMatching takes pattern and a value and checks if the value matches this pattern.

isMatching takes pattern and returns a type guard function, cheching if a value matches this pattern.

Examples

const hasName = isMatching({ name: P.string })

declare let input: unknown

if (hasName(input)) { // input inferred as { name: string } return input.name }

p extends Pattern<any>

pattern: p

(value: any) => value is MatchedValue<any, P.infer>

isMatching takes pattern and a value and checks if the value matches this pattern.

declare let input: unknown

if (isMatching({ name: P.string }, input)) { // input inferred as { name: string } return input.name }

p extends Pattern<any>

pattern: p

value: any

value is MatchedValue<any, P.infer>