refactor(core): Homogenize all providers as static #671
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| if (typeof (provider.preprocessDataLayer) !== 'function') { | ||
| throw new Error(`Can't add provider for ${protocol}: missing a preprocessDataLayer function.`); | ||
| } | ||
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Nice! That's the first step to really allow people to add their own providers (I mean, it was already possible, but you needed to know the internals of iTowns). Second step would be to document it :-)
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What do you have in mind for documentation ? Something like iTowns/itowns.github.io#15 ? I can't see where else we could add it.
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Maybe if we document the Scheduler in fact
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Using http://usejsdoc.org/tags-interface.html#virtual-comments in the Scheduler makes sense.
But maybe you should finish your refactoring commits before adding documentation...
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Yes, will do in another PR.
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Could you remove the unused providers as well ( |
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You may want to add a |
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There is no reason to keep an instance of each provider, and moving them to static like some other one (PointCloudProvider for example) do no harm, but homogenize all providers to one structure. Also note that there are two required functions in a provider: preprocessDataLayer and executeCommand, that are verified when adding a provider, in the scheduler. BREAKING CHANGE: KML_Provider and BuildingBox_Provider have been removed, as well as getPointOrder from WFS_Provider.
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Description
There is no reason to keep an instance of each provider, and moving them
to static like some other one (PointCloudProvider for example) do no
harm, but homogenize all providers to one structure.
Note that the function
getPointOrderin the WFS provider is unused, should I delete it in this PR, or the associated TODO will be done by someone soon ?Also note that there are two required functions in a provider:
preprocessDataLayer and executeCommand, that are verified when adding a
provider, in the scheduler.
Motivation and Context
This comes in the work of #182, part of rewriting the Providers/Loader/etc system.