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Merge pull request #11709 from storybookjs/fix/11602-hmr-not-working

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FIX HMR
This commit is contained in:
Norbert de Langen 2020-07-29 10:53:32 +02:00 committed by GitHub
commit 9d2b53dac4
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2 changed files with 3 additions and 1 deletions
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1
lib/core/src/client/preview/loadCsf.test.ts
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@ -16,6 +16,7 @@ beforeEach(() => {
hot: {
data: {},
dispose: (cb: (data: any) => void) => cbs.push(cb),
accept: jest.fn(),
},
} as unknown) as NodeModule;
});

3
lib/core/src/client/preview/loadCsf.ts
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@ -230,14 +230,15 @@ export const loadCsf = ({
`Invalid module '${m}'. Did you forget to pass \`module\` as the second argument to \`configure\`"?`
);
}
if (m && m.hot && m.hot.dispose) {
({ previousExports = new Map() } = m.hot.data || {});
m.hot.dispose((data) => {
loaded = false;
// eslint-disable-next-line no-param-reassign
data.previousExports = previousExports;
});
m.hot.accept();
}
if (loaded) {
logger.warn('Unexpected loaded state. Did you call `load` twice?');