23 lines
579 B
JavaScript
23 lines
579 B
JavaScript
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import vm from "vm";
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function isSupported() {
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// node --experimental-vm-modules …
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if(process.execArgv.find(entry => entry == "--experimental-vm-modules")) {
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return true;
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}
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// NODE_OPTIONS='--experimental-vm-modules' node …
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if((process.env?.NODE_OPTIONS || "").split(" ").find(entry => entry == "--experimental-vm-modules")) {
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return true;
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}
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// Feature test for a future when --experimental-vm-modules is not needed
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// and vm.Module is stable:
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try {
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new vm.SourceTextModule(`/* hi */`);
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return true;
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} catch(e) {}
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return false;
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}
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export { isSupported };
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