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fix: harden check for non-module in vm.modules linker #47583

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fix: harden check for non-module in vm.modules linker #47583

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1586f93
vm: harden check for non-module in vm.modules linker
MikeRalphson Apr 16, 2023
ac3d903
vm: use more idiomatic test for undefined
MikeRalphson Apr 18, 2023
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2 changes: 1 addition & 1 deletion lib/internal/vm/module.js
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Original file line number Diff line number Diff line change
Expand Up @@ -303,7 +303,7 @@ class SourceTextModule extends Module {

const promises = this[kWrap].link(async (identifier, assert) => {
const module = await linker(identifier, this, { assert });
if (module[kWrap] === undefined) {
if (module?.[kWrap] === undefined) {
throw new ERR_VM_MODULE_NOT_MODULE();
}
if (module.context !== this.context) {
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