import {File, useStorage} from 'seqfx';

const {seen, when} = useStorage('.')

const textFileSeen = when(seen, '**/*.txt')

textFileSeen.watch((file: File) => console.log(`seen text file: ${file.path}`))

import {File, WithData, useStorage} from 'seqfx';

const {seen, when, $read} = useStorage('.')

when(seen, '**/*.txt')
    .then((file: File) => $read(file.path))
    .then((file: WithData<File>) => console.log(`text file ${file.path} contents: ${file.data.length}`))

import {useStorage} from 'seqfx';

const {$filter} = useStorage('.')
const $textFiles = $filter(file => file.path.indexOf('.txt') > -1)

$textFiles.watch(state => console.log(`storage has ${$textFiles.getState().length} text files`))