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author | Nevena Bojovic <nenabojov@gmail.com> | 2022-03-01 20:05:50 +0100 |
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committer | Nevena Bojovic <nenabojov@gmail.com> | 2022-03-01 20:05:50 +0100 |
commit | 291803c31f829fe0d32bb3207bc11def95a7408c (patch) | |
tree | c7d43107d79291b19d8c9eceefbe91c9f9a52acf /sandbox/testAppNevena/Front/node_modules/inflight/README.md | |
parent | 1fa69862057db4db53cfda5be9c24b4228ef63f7 (diff) |
Urađena test aplikacija. Povezan front i back.
Diffstat (limited to 'sandbox/testAppNevena/Front/node_modules/inflight/README.md')
-rw-r--r-- | sandbox/testAppNevena/Front/node_modules/inflight/README.md | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/sandbox/testAppNevena/Front/node_modules/inflight/README.md b/sandbox/testAppNevena/Front/node_modules/inflight/README.md new file mode 100644 index 00000000..6dc89291 --- /dev/null +++ b/sandbox/testAppNevena/Front/node_modules/inflight/README.md @@ -0,0 +1,37 @@ +# inflight + +Add callbacks to requests in flight to avoid async duplication + +## USAGE + +```javascript +var inflight = require('inflight') + +// some request that does some stuff +function req(key, callback) { + // key is any random string. like a url or filename or whatever. + // + // will return either a falsey value, indicating that the + // request for this key is already in flight, or a new callback + // which when called will call all callbacks passed to inflightk + // with the same key + callback = inflight(key, callback) + + // If we got a falsey value back, then there's already a req going + if (!callback) return + + // this is where you'd fetch the url or whatever + // callback is also once()-ified, so it can safely be assigned + // to multiple events etc. First call wins. + setTimeout(function() { + callback(null, key) + }, 100) +} + +// only assigns a single setTimeout +// when it dings, all cbs get called +req('foo', cb1) +req('foo', cb2) +req('foo', cb3) +req('foo', cb4) +``` |