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ES2015 `Object.assign()` ponyfill
Determine if the JS environment has Symbol support. Supports spec, or shams.
Node.js path.parse() ponyfill
A small polyfill for Object.setprototypeof
`Start a promise chain
Use node's fs.realpath, but fall back to the JS implementation if the native one fails
ES2019 spec-compliant String.prototype.trimEnd shim.
The `util.is*` functions introduced in Node v0.12.
ES6 spec-compliant Object.assign shim. From https://github.com/es-shims/es6-shim
Standard library
Get the byte length of an ArrayBuffer, even in engines without a `.byteLength` method.
ES2019 spec-compliant String.prototype.trimStart shim.
An ES2015 spec-compliant `Function.prototype.name` shim
An ES2019 spec-compliant `Array.prototype.flat` shim/polyfill/replacement that works as far down as ES3.
- Array.prototype.flatten
- Array.prototype.flat
- flatten
- flat
- array
- ESnext
- shim
- polyfill
- flatMap
- Array.prototype.flatMap
- es-shim API
ES2017 spec-compliant Object.values shim.
An ES7/ES2016 spec-compliant `Array.prototype.includes` shim/polyfill/replacement that works as far down as ES3.
ECMAScript spec-compliant polyfill/shim for `globalThis`
- window
- self
- global
- globalThis
- System.global
- global object
- global this value
- ECMAScript
- es-shim API
- polyfill
- shim
ES6 spec-compliant RegExp.prototype.flags shim.
An ES2019 spec-compliant `Array.prototype.flatMap` shim/polyfill/replacement that works as far down as ES3.
ES5 spec-compliant shim for String.prototype.trim