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29 lines
845 B
29 lines
845 B
const globals = getGlobalThis();
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/**
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* Get the global scope for browsers that do not support globalThis
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* https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/globalThis
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*/
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export function getGlobalThis() {
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if (typeof self !== 'undefined') {
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return self;
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}
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if (typeof window !== 'undefined') {
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return window;
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}
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if (typeof global !== 'undefined') {
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return global;
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}
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throw new Error('unable to locate global object');
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}
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;
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/**
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* Test if an object is transferable
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* @param x Object
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*/
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export function isTransferableObject(x) {
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return (x instanceof ArrayBuffer ||
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x instanceof MessagePort ||
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(globals.ImageBitmap && x instanceof ImageBitmap) ||
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(globals.OffscreenCanvas && x instanceof OffscreenCanvas));
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}
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//# sourceMappingURL=util.js.map
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