31 lines
1.2 KiB
Plaintext
31 lines
1.2 KiB
Plaintext
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(ns re-natal.support
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"Helpers and adapters to be able to mount/remount Rum components in a React Native application.")
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(def React (js/require "react-native"))
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(def create-class (.-createClass React))
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(def create-factory (.-createFactory React))
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(defonce root-component (atom nil))
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(defonce mounted-element (atom nil))
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(defn make-root-component-factory
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"Returns a React Native component factory fn for the root componenet singleton"
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[]
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(create-factory
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(create-class
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#js {:getInitialState (fn []
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(this-as this
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(if-not @root-component
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(reset! root-component this)
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(throw (js/Error. "ASSERTION FAILED: re-natal.support root component mounted more than once.")))))
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:render (fn [] @mounted-element)})))
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(defn mount
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"A modified version of rum.core/mount to work with React Native and re-natal.
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Since React Native's root component is a singleton, mount doesn't apply in the context of a DOM element (like in React),
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but applies globally to the app. This function mounts/replaces the current "
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[element]
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(reset! mounted-element element)
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(when @root-component
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(.forceUpdate @root-component)))
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