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fix(service-worker): `Cache-Control: no-cache` on assets breaks service worker (#25408) 

At the moment `cacheAge` can we undefined when having `Cache-Control` set to `no-cache` due the mapping method in `needToRevalidate`

Closes #25442

PR Close #25408
This commit is contained in:
Alan Agius 2018-08-13 20:59:03 +02:00 committed by Ben Lesh
parent be2cf4dfd6
commit 01ec5fd6b0
2 changed files with 11 additions and 2 deletions
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5
packages/service-worker/worker/src/assets.ts
View File

@ -193,9 +193,10 @@ export abstract class AssetGroup {
cacheDirectives.forEach(v => v[0] = v[0].toLowerCase());
// Find the max-age directive, if one exists.
const cacheAge = cacheDirectives.filter(v => v[0] === 'max-age').map(v => v[1])[0];
const maxAgeDirective = cacheDirectives.find(v => v[0] === 'max-age');
const cacheAge = maxAgeDirective ? maxAgeDirective[1] : undefined;
if (cacheAge.length === 0) {
if (!cacheAge) {
// No usable TTL defined. Must assume that the response is stale.
return true;
}

8
packages/service-worker/worker/test/happy_spec.ts
View File

@ -28,6 +28,7 @@ const dist =
.addFile('/lazy/unchanged1.txt', 'this is unchanged (1)')
.addFile('/lazy/unchanged2.txt', 'this is unchanged (2)')
.addUnhashedFile('/unhashed/a.txt', 'this is unhashed', {'Cache-Control': 'max-age=10'})
.addUnhashedFile('/unhashed/b.txt', 'this is unhashed b', {'Cache-Control': 'no-cache'})
.build();
const distUpdate =
@ -621,6 +622,13 @@ const manifestUpdateHash = sha1(JSON.stringify(manifestUpdate));
server.assertNoOtherRequests();
});
async_it(`doesn't error when 'Cache-Control' is 'no-cache'`, async() => {
expect(await makeRequest(scope, '/unhashed/b.txt')).toEqual('this is unhashed b');
server.assertSawRequestFor('/unhashed/b.txt');
expect(await makeRequest(scope, '/unhashed/b.txt')).toEqual('this is unhashed b');
server.assertNoOtherRequests();
});
async_it('avoid opaque responses', async() => {
expect(await makeRequest(scope, '/unhashed/a.txt', 'default', {
credentials: 'include'