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Global registry "sync" map proxy
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// global-registry.js | |
// "private" registry of map proxies | |
const _mapRegistry = []; | |
window.RV._mapRegistry = _mapRegistry; | |
const mapProxy = { | |
_appInstance: null, | |
_proxy(action, ...args) { | |
this._appInstance.then(appInstance => | |
appInstance[action](...args) | |
); | |
} | |
addRcsLayer(keys) { | |
this._proxy('addRcsLayer', keys); | |
}, | |
switchLanguage(lang) { | |
this._proxy('switchLanguage', lang); | |
}, | |
_init(id) { | |
this._appInstance = new Promise((resolve, reject) { | |
// store a callback function in the proxy object itself for map instances to call upon readiness | |
this._registerMap = appInstance => { | |
// store actual instance of the map; after this point, all queued calls to `addRcsLayer`, `switchLanguage`, etc. will trigger | |
this._appInstance = appInstance; | |
resolve(); | |
}); | |
} | |
}; | |
// external "sync" function to retrieve a map instance | |
// in reality it returns a map proxy queueing calls to the map until it's ready | |
window.RV.getMap = getMap; | |
function getMap(id) { | |
return _mapRegistry[id]; | |
} | |
// app-seed.js | |
// move some app-seed code into the injector (can read configs here as well) | |
nodes.forEach(node => { | |
const id = ???; // id of a map instance | |
_mapRegistry[id] = Object.create(mapProxy)._init(id); | |
}); | |
// core.run.js | |
// somewhere in core.run.js | |
$rootScope.$on(events.rvReady, () => { | |
globalRegistry._mapRegistry[$rootElement.attr('id')]._registerMap(service); | |
}); | |
spencerwahl
commented
Apr 22, 2016
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