[英]Regex not matching in Fastify route
I decided to port my code from Express to Fastify.我决定将我的代码从 Express 移植到 Fastify。 So this is a big headache when we haven't set proper testing.
因此,当我们没有设置适当的测试时,这是一个非常令人头疼的问题。
Anyway, the route is declared as:无论如何,该路线被声明为:
fastify.get(/^\/(donations|skills|blogs)/, async function (req, reply) {
It was working in Express but in Fastify it is returning 404. I'm sure it has to do with regex itself as other routes inside the same plugin/file/ are working properly.它在 Express 中工作,但在 Fastify 中返回 404。我确信它与正则表达式本身有关,因为同一插件/文件/中的其他路由工作正常。
It is supposed to match /listings/donations
or listings/skills
... knowing that /listings
is the prefix when attaching the whole routing plugin to the app.它应该匹配
/listings/donations
或listings/skills
...知道/listings
是将整个路由插件附加到应用程序时的前缀。
To reply to your answer, you can't provide a RegExp object to Fastify.要回复您的答案,您不能向 Fastify 提供 RegExp object。 You need to set a path-parameter within a RegExp:
您需要在 RegExp 中设置路径参数:
const fastify = require('fastify')({ logger: true })
const handler = async (request, reply) => {
return { hello: request.params.foo }
}
fastify.get('/listings/:foo(^(donations|skills|blogs)$)', handler)
fastify.listen(8080)
(I think you should get an error for your setup so I opened an issue ) (我认为您的设置应该出错,所以我打开了一个问题)
As a suggestion you should not do it: you will hit a performance drop cause of this regexp.作为一个建议,你不应该这样做:你会遇到这个正则表达式的性能下降原因。 I would suggest you write it like so:
我建议你这样写:
fastify.get('/listings/donations)', handler)
fastify.get('/listings/skills)', handler)
fastify.get('/listings/blogs', handler)
Let the router does its job.让路由器完成它的工作。
Here is the performance comparison:下面是性能对比:
┌───────────┬─────────┬─────────┬─────────┬─────────┬──────────┬─────────┬─────────┐
│ Stat │ 1% │ 2.5% │ 50% │ 97.5% │ Avg │ Stdev │ Min │
├───────────┼─────────┼─────────┼─────────┼─────────┼──────────┼─────────┼─────────┤
│ Req/Sec │ 68863 │ 68863 │ 75327 │ 75839 │ 73678.55 │ 2791.45 │ 68860 │
├───────────┼─────────┼─────────┼─────────┼─────────┼──────────┼─────────┼─────────┤
│ Bytes/Sec │ 12.5 MB │ 12.5 MB │ 13.7 MB │ 13.8 MB │ 13.4 MB │ 507 kB │ 12.5 MB │
└───────────┴─────────┴─────────┴─────────┴─────────┴──────────┴─────────┴─────────┘
┌───────────┬─────────┬─────────┬─────────┬─────────┬──────────┬─────────┬─────────┐
│ Stat │ 1% │ 2.5% │ 50% │ 97.5% │ Avg │ Stdev │ Min │
├───────────┼─────────┼─────────┼─────────┼─────────┼──────────┼─────────┼─────────┤
│ Req/Sec │ 86015 │ 86015 │ 95423 │ 95551 │ 94350.55 │ 2681.36 │ 85954 │
├───────────┼─────────┼─────────┼─────────┼─────────┼──────────┼─────────┼─────────┤
│ Bytes/Sec │ 15.6 MB │ 15.6 MB │ 17.4 MB │ 17.4 MB │ 17.2 MB │ 491 kB │ 15.6 MB │
└───────────┴─────────┴─────────┴─────────┴─────────┴──────────┴─────────┴─────────┘
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