Normalize a value or function, applying extra args to the function

A JavaScript (JS) Map or Similar object polyfill if Map is not available.

TypeScript definitions for symlink-or-copy

Use Yarn or npm to execute a command

Symlink files or directories, falling back to copying on Windows

Fill in a range of numbers or letters, optionally passing an increment or `step` to use, or create a regex-compatible range with `options.toRegex`

Drag and drop SVG, HTML or Canvas using mouse or touch input.

Listen readable stream `end` or `error` event once

Either use the object's own property, or a fallback

Simple `and` and `or` functional programming predicates

Pan and zoom SVG, HTML or Canvas using mouse or touch input.

Select a one- or two-dimensional region using the mouse or touch.

Add or remove backslashes (escape or unescape).

Find the common ancestor of 2 or more paths on Windows or Unix

Use an objects own property, or an environment variable. Optionally treat as a boolean if the env should be set to 1 or 0.

Tree or binary tree printer, print any tree to terminal or debug window

Check if stdout or stderr is interactive

`Iterator.prototype`, or a shared object to use.

Retry a promise-returning or async function

Find a file or directory by walking up parent directories