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fix: tell transformers Jest supports dynamic imports #10745

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merged 1 commit into from Oct 30, 2020
Merged

fix: tell transformers Jest supports dynamic imports #10745

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6 changes: 4 additions & 2 deletions packages/jest-runtime/src/index.ts
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Expand Up @@ -57,6 +57,8 @@ import {
import {options as cliOptions} from './cli/args';
import {run as cliRun} from './cli';

const esmIsAvailable = typeof SourceTextModule === 'function';

interface JestGlobals extends Global.TestFrameworkGlobals {
expect: typeof JestGlobals.expect;
}
Expand All @@ -81,7 +83,7 @@ type InternalModuleOptions = {

const defaultTransformOptions: InternalModuleOptions = {
isInternalModule: false,
supportsDynamicImport: false,
supportsDynamicImport: esmIsAvailable,
supportsStaticESM: false,
};

Expand Down Expand Up @@ -601,7 +603,7 @@ class Runtime {

return this.requireModule<T>(from, to, {
isInternalModule: true,
supportsDynamicImport: false,
supportsDynamicImport: esmIsAvailable,
supportsStaticESM: false,
});
}
Expand Down