@sgmonda/qfu@0.1.0
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latest

Published

2 months ago (0.1.0)

function filter



filter<T>(fn: (chunk: T) => boolean | Promise<boolean>): ReadableWritablePair<T>

Filter stream chunks based on a predicate function.

Examples

const onlyEven = filter(num => num % 2 === 0);

const onlyStrings = filter(item => typeof item === 'string');

const onlyPositive = filter(num => num > 0);



fn: (chunk: T) => boolean | Promise<boolean>

The predicate function, that will be applied to each chunk. If the function returns true, the chunk will be passed through.

ReadableWritablePair<T>

A readable stream whose chunks are the ones that passed the predicate function

Add Package

deno add jsr:@sgmonda/qfu

Import symbol

import { filter } from "@sgmonda/qfu";

---- OR ----

Import directly with a jsr specifier

import { filter } from "jsr:@sgmonda/qfu";

Add Package

npx jsr add @sgmonda/qfu

Import symbol

import { filter } from "@sgmonda/qfu";

Add Package

yarn dlx jsr add @sgmonda/qfu

Import symbol

import { filter } from "@sgmonda/qfu";

Add Package

pnpm dlx jsr add @sgmonda/qfu

Import symbol

import { filter } from "@sgmonda/qfu";

Add Package

bunx jsr add @sgmonda/qfu

Import symbol

import { filter } from "@sgmonda/qfu";