@selemondev/create-react-next/src/utils/directoryTraverse.ts

The Next Generation React Scaffolding Tool ✨

import { readdirSync, lstatSync, existsSync } from 'fs'
import { resolve } from 'path'

export function preOrderDirectoryTraverse(dir: string, dirCallback: Function, fileCallback: Function) {
    for (const filename of readdirSync(dir)) {
        const fullpath = resolve(dir, filename)
        if (lstatSync(fullpath).isDirectory()) {
            dirCallback(fullpath)
            // in case the dirCallback removes the directory entirely
            if (existsSync(fullpath)) {
                preOrderDirectoryTraverse(fullpath, dirCallback, fileCallback)
            }
            continue
        }
        fileCallback(fullpath)
    }
}

export function postOrderDirectoryTraverse(dir: string, dirCallback: Function, fileCallback: Function) {
    for (const filename of readdirSync(dir)) {
        const fullpath = resolve(dir, filename)
        if (lstatSync(fullpath).isDirectory()) {
            postOrderDirectoryTraverse(fullpath, dirCallback, fileCallback)
            dirCallback(fullpath)
            continue
        }
        fileCallback(fullpath)
    }
}