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fix: Fix global resolution for Safari
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,15 +1,35 @@ | ||
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`"); | ||
}; | ||
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||
module.exports = (function () { | ||
if (this) return this; | ||
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// Unexpected strict mode (may happen if e.g. bundled into ESM module), be nice | ||
// Unexpected strict mode (may happen if e.g. bundled into ESM module) | ||
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// Fallback to standard globalThis if available | ||
if (typeof globalThis === "object" && globalThis) return globalThis; | ||
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// 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) | ||
Object.defineProperty(Object.prototype, "__global__", { | ||
get: function () { return this; }, | ||
configurable: true | ||
}); | ||
try { return __global__; } | ||
finally { delete Object.prototype.__global__; } | ||
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__; | ||
} | ||
})(); |
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