Decouple Router~handleRequest from events #1682
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philipwalton
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jeffposnick
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| * @param {URL} options.url | ||
| * @param {Request} options.request | ||
| * @param {Event} [options.event] |
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Remove options.event from the JSDoc.
| let handler = null; | ||
| let params = null; | ||
| let debugMessages = []; | ||
| let {params, route} = this.findMatchingRoute({url, request, event}); |
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Looks like all these lets can be changed to const after your refactoring.
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route gets reassigned and params doesn't, but since one of them does, in order to use destructuring I had to do both as let...
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R: @jeffposnick
Fixes #1630
This PR updates the routing and strategy packages in a few ways.
Breaking changes:
the
Router~handleRequest()method from just taking anEventobject, to taking anoptionsobject whereoptions.requestis required andoptions.eventis optional. Note that technically this change is mostly backwards compatible with the previous version since fetch events have arequestproperty. One thing to watch out for, though, is if people were using this method directly and passing an event, no strategies or handlers would be able to callevent.waitUntil(). We could support both aFetchEventargument as well an optionsObjectargument -- or we could just consider this a breaking change and provide upgrade instructions.The strategy classes'
handle()methods no longer require anoptions.eventparameter, and they now work essentially the same as theirmakeRequestmethods. With this change, we don't really need two separate methods, so we may want to consider getting rid of one of them.The
matchandhandlercallbacks are now also passed anoptions.requestin addition tooptions.url, and optionallyoptions.event. I'm not sure if anyone was ever using theoptions.eventproperty, but sinceRouter~handleRequest()can now be called without an event,options.eventwill now sometimes not be present and so is thus documented as an optional argument.Probably more of a bug fix than a breaking change, but previous if a match callback returned a truthy string, that string would be passed as the
options.paramsargument to the handler. I'm assuming this wasn't intentional, so I've now updated that logic to only passoptions.paramsif the return value is a non-empty object or array.Non-breaking changes:
Router~_findHandlerAndParams()method and renamed it tofindMatchingRoute(), meaning it's now a public method. I figure it may be useful for someone who wants to use the router without executing a handler right away.