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Add a check for missing resources in collection proxies. (#107)
* Update monarch.lua * Update monarch.lua * Update monarch.lua
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@ -462,8 +462,7 @@ local function preload(screen)
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screen.preloading = true
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if screen.proxy then
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log("preload() proxy")
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local missing_resources = collectionproxy.missing_resources(screen.proxy)
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if #missing_resources > 0 then
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if M.has_missing_resources(screen.id) then
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local error_message = ("preload() collection proxy %s is missing resources"):format(tostring(screen.id))
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log(error_message)
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screen.preloading = false
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@ -1131,6 +1130,20 @@ function M.preload(id, options, cb)
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return true -- return true for legacy reasons (before queue existed)
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end
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--- Check if a screen has missing resources, always returns false for factory
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-- @param id (string|hash) - Id of the screen to preload
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function M.has_missing_resources(id)
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assert(id, "You must provide a screen id")
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id = tohash(id)
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assert(screens[id], ("There is no screen registered with id %s"):format(tostring(id)))
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local screen = screens[id]
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if screen.proxy then
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local missing_resources = collectionproxy.missing_resources(screen.proxy)
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return #missing_resources > 0
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end
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return false
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end
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--- Unload a preloaded monarch screen
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-- @param id (string|hash) - Id of the screen to unload
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