32 lines
1.0 KiB
JavaScript
32 lines
1.0 KiB
JavaScript
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var naiveFallback = function () {
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if (typeof self === "object" && self) return self;
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if (typeof window === "object" && window) return window;
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throw new Error("Unable to resolve global `this`");
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};
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module.exports = (function () {
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if (this) return this;
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// Unexpected strict mode (may happen if e.g. bundled into ESM module)
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// Thanks @mathiasbynens -> https://mathiasbynens.be/notes/globalthis
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// In all ES5+ engines global object inherits from Object.prototype
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// (if you approached one that doesn't please report)
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try {
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Object.defineProperty(Object.prototype, "__global__", {
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get: function () { return this; },
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configurable: true
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});
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} catch (error) {
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// Unfortunate case of Object.prototype being sealed (via preventExtensions, seal or freeze)
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return naiveFallback();
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}
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try {
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// Safari case (window.__global__ is resolved with global context, but __global__ does not)
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if (!__global__) return naiveFallback();
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return __global__;
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} finally {
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delete Object.prototype.__global__;
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}
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})();
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