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<h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><div class="ui vertical accordion"><div class="title"><div class="ui list"><div class="item"><i class="dropdown icon"></i><a href="ComposableObservableStore.html">ComposableObservableStore</a></div></div></div><div class="content"><ul class='methods'><li data-type='method'><a href="ComposableObservableStore.html#getFlatState">getFlatState</a></li><li data-type='method'><a href="ComposableObservableStore.html#updateStructure">updateStructure</a></li></ul></div></li></div><div class="ui vertical accordion"><div class="title"><div class="ui list"><div class="item"><i class="dropdown icon"></i><a href="EdgeEncryptor.html">EdgeEncryptor</a></div></div></div><div class="content"><ul class='methods'><li data-type='method'><a href="EdgeEncryptor.html#decrypt">decrypt</a></li><li data-type='method'><a href="EdgeEncryptor.html#encrypt">encrypt</a></li></ul></div></li></div><div class="ui vertical accordion"><div class="title"><div class="ui list"><div class="item"><i class="dropdown icon"></i><a href="TokenRatesController.html">TokenRatesController</a></div></div></div><div class="content"><ul class='methods'><li data-type='method'><a href="TokenRatesController.html#fetchExchangeRate">fetchExchangeRate</a></li><li data-type='method'><a href="TokenRatesController.html#updateExchangeRates">updateExchangeRates</a></li></ul></div></li></div><div class="ui vertical accordion"><div class="title"><div class="ui list"><div class="item"><i class="inverted dropdown icon"></i><a href="module.exports_module.exports.html">exports</a></div></div></div></li></div></ul><h3>Global</h3><ul><li><a href="global.html#blacklistedDomainCheck">blacklistedDomainCheck</a></li><li><a href="global.html#cleanContextForImports">cleanContextForImports</a></li><li><a href="global.html#config">config</a></li><li><a href="global.html#connectToAccountManager">connectToAccountManager</a></li><li><a href="global.html#doctypeCheck">doctypeCheck</a></li><li><a href="global.html#documentElementCheck">documentElementCheck</a></li><li><a href="global.html#initializePopup">initializePopup</a></li><li><a href="global.html#initialState">initialState</a></li><li><a href="global.html#logStreamDisconnectWarning">logStreamDisconnectWarning</a></li><li><a href="global.html#redirectToPhishingWarning">redirectToPhishingWarning</a></li><li><a href="global.html#restoreContextAfterImports">restoreContextAfterImports</a></li><li><a href="global.html#setupControllerConnection">setupControllerConnection</a></li><li><a href="global.html#setupInjection">setupInjection</a></li><li><a href="global.html#setupStreams">setupStreams</a></li><li><a href="global.html#setupWeb3Connection">setupWeb3Connection</a></li><li><a href="global.html#shouldInjectWeb3">shouldInjectWeb3</a></li><li><a href="global.html#suffixCheck">suffixCheck</a></li></ul>
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<h1 class="page-title">lib/ComposableObservableStore.js</h1>
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<section>
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<article>
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<pre class="prettyprint source linenums"><code>const ObservableStore = require('obs-store')
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/**
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* An ObservableStore that can composes a flat
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* structure of child stores based on configuration
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*/
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class ComposableObservableStore extends ObservableStore {
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/**
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* Create a new store
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*
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* @param {Object} [initState] - The initial store state
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* @param {Object} [config] - Map of internal state keys to child stores
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*/
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constructor (initState, config) {
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super(initState)
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this.updateStructure(config)
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}
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/**
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* Composes a new internal store subscription structure
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*
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* @param {Object} [config] - Map of internal state keys to child stores
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*/
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updateStructure (config) {
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this.config = config
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this.removeAllListeners()
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for (const key in config) {
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config[key].subscribe((state) => {
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this.updateState({ [key]: state })
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})
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}
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}
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/**
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* Merges all child store state into a single object rather than
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* returning an object keyed by child store class name
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*
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* @returns {Object} - Object containing merged child store state
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*/
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getFlatState () {
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let flatState = {}
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for (const key in this.config) {
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flatState = { ...flatState, ...this.config[key].getState() }
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}
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return flatState
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}
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}
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module.exports = ComposableObservableStore
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</code></pre>
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</article>
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