This is a polyfill for the JavaScript Date object that ensures compatibility with the ECMAScript specification across older environments. It's designed for developers who need reliable Date functionality in older browsers or JavaScript engines that may not fully support modern Date methods. The project provides a comprehensive shim that covers all standard Date methods and can be automatically applied when needed.
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Support the dependencies of es-shims/date
Robustly `.call.bind()` a function
Robust call-bound JavaScript intrinsics, using `call-bind` and `get-intrinsic`.
Define multiple non-enumerable properties at once. Uses `Object.defineProperty` when available; falls back to standard assignment in older engines.
ECMAScript spec abstract operations.
A simple cache for a few of the JS Error constructors.
Get and robustly cache all JS language-level intrinsics at first require time
ECMAScript spec-compliant polyfill/shim for `globalThis`
ES Math-related intrinsics and helpers, robustly cached.
Give a regex, get a robust predicate function that tests it against a string.
Loosely test a package's compliance with the es-shim API
My shareable eslint config
An ES5 spec-compliant `Array.prototype.map` shim/polyfill/replacement that works as far down as ES3.
Command line tool for generating a changelog from git tags and commit history
Convert encodings, uses iconv-lite
Evaluates javascript code blocks from markdown files.
A better forEach
An ES2015 spec-compliant `Function.prototype.name` shim
Does the environment have full property descriptor support? Handles IE 8's broken defineProperty/gOPD.
Does the current JS environment have strict mode? ES5+ should; but let's not assume.
Detect if we were run as a result of `npm publish`
Command line tool for creating or updating a .npmignore file based on .gitignore.
the Istanbul command line interface
Ensure that when you `npm publish`, the "latest" tag is only set for the truly latest version.
tap-producing test harness for node and browsers
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ljharb
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