global.js 1.11 KB
var naiveFallback = function () {
	if (typeof self === "object" && self) return self;
	if (typeof window === "object" && window) return window;
	throw new Error("Unable to resolve global `this`");
};

module.exports = (function () {
	if (this) return this;

	// Unexpected strict mode (may happen if e.g. bundled into ESM module)

	// Fallback to standard globalThis if available
	if (typeof globalThis === "object" && globalThis) return globalThis;

	// Thanks @mathiasbynens -> https://mathiasbynens.be/notes/globalthis
	// In all ES5+ engines global object inherits from Object.prototype
	// (if you approached one that doesn't please report)
	try {
		Object.defineProperty(Object.prototype, "__global__", {
			get: function () { return this; },
			configurable: true
		});
	} catch (error) {
		// Unfortunate case of updates to Object.prototype being restricted
		// via preventExtensions, seal or freeze
		return naiveFallback();
	}
	try {
		// Safari case (window.__global__ works, but __global__ does not)
		if (!__global__) return naiveFallback();
		return __global__;
	} finally {
		delete Object.prototype.__global__;
	}
})();