Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.78 million test assertions.
Turn any collection of objects into its own efficient tree or linked list using Symbol
Use node's fs.realpath, but fall back to the JS implementation if the native one fails
Fast (and loose) selective `process.env` replacer using js-tokens instead of an AST
Normalize slashes in a file path to be posix/unix-like forward slashes. Also condenses repeat slashes to a single slash and removes and trailing slashes, unless disabled.
simplified stream construction
A stream that emits multiple other streams one after another.
Create a stream that emits events from multiple other streams
Safer Node.js Buffer API
Merge multiple streams into one stream in sequence or parallel.
Support for representing 64-bit integers in JavaScript
Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.
Resolve any installed ES6 compatible promise
<b>An advanced tool for creating mocked data for server and client.</b>
ES2015 `Object.assign()` ponyfill
Escape string for use in HTML
get deep difference between two JavaScript objects
[](https://travis-ci.org/stefanpenner/get-caller-file) [](https://ci.a
An Object.keys replacement, in case Object.keys is not available. From https://github.com/es-shims/es5-shim
Promisifies all the selected functions in an object
extend like a boss
A cross browser microtask library
random bytes from browserify stand alone
本项目包含中国省市区县的 Adcode 和 Zipcode 对应数据。 数据来源于网络整理。