has-tostringtag
Advanced tools
Package description
The `has-tostringtag` npm package is designed to check if the environment has `Symbol.toStringTag` support. This is particularly useful for identifying and working with built-in object tags in a way that's consistent with the ECMAScript specification, especially in environments where this feature might not be available or fully implemented.
Checking `Symbol.toStringTag` support
This code checks if the current environment supports `Symbol.toStringTag`. It's useful for determining if you can rely on `Symbol.toStringTag` for identifying object types.
"use strict";\nvar hasToStringTag = require('has-tostringtag');\n\nif (hasToStringTag) {\n console.log('Environment supports Symbol.toStringTag');\n} else {\n console.log('Environment does not support Symbol.toStringTag');\n}While `core-js` is a much broader polyfill library that includes support for `Symbol.toStringTag` among a vast array of other ECMAScript features, it serves a similar purpose in ensuring environments have access to `Symbol.toStringTag`. Compared to `has-tostringtag`, `core-js` is more comprehensive but also larger in size.
The `es-abstract` package provides utility functions for working with ECMAScript language abstract operations. It includes methods that indirectly relate to `Symbol.toStringTag` by providing a way to work with language internals. Unlike `has-tostringtag`, which is focused on feature detection, `es-abstract` is more about enabling operations that are defined in the ECMAScript specification.
Readme
Determine if the JS environment has Symbol.toStringTag support. Supports spec, or shams.
var hasSymbolToStringTag = require('has-tostringtag');
hasSymbolToStringTag() === true; // if the environment has native Symbol.toStringTag support. Not polyfillable, not forgeable.
var hasSymbolToStringTagKinda = require('has-tostringtag/shams');
hasSymbolToStringTagKinda() === true; // if the environment has a Symbol.toStringTag sham that mostly follows the spec.
Simply clone the repo, npm install, and run npm test
FAQs
Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.
The npm package has-tostringtag receives a total of 34,127,971 weekly downloads. As such, has-tostringtag popularity was classified as popular.
We found that has-tostringtag demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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