src/util/io.js


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// Utility functions for interacting with files and other external data
// interfacey constructs.

import { readdir } from 'fs/promises';
import * as path from 'path';

export async function findFiles(dataPath, {
    filter = f => true,
    joinParentDirectory = true,
} = {}) {
    return (await readdir(dataPath))
        .filter(file => filter(file))
        .map(file => joinParentDirectory ? path.join(dataPath, file) : file);
}