Nuxt/lib/app/store.js

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import Vue from 'vue'
import Vuex from 'vuex'
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Vue.use(Vuex)
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// Recursive find files in ~/store
const files = require.context('~/store', true, /^\.\/.*\.(js|ts)$/)
const filenames = files.keys()
// Store
let storeData = {}
// Check if store/index.js exists
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const indexFilename = filenames.find((filename) => filename.includes('./index.'))
if (indexFilename) {
storeData = getModule(indexFilename)
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}
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// If store is not an exported method = modules store
if (typeof storeData !== 'function') {
// Store modules
if (!storeData.modules) {
storeData.modules = {}
}
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for (let filename of filenames) {
let name = filename.replace(/^\.\//, '').replace(/\.(js|ts)$/, '')
if (name === 'index') continue
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let namePath = name.split(/\//)
let module = getModuleNamespace(storeData, namePath)
name = namePath.pop()
module[name] = getModule(filename)
module[name].namespaced = true
}
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}
// createStore
export const createStore = storeData instanceof Function ? storeData : () => {
return new Vuex.Store(Object.assign({}, storeData, {
state: storeData.state instanceof Function ? storeData.state() : {}
}))
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}
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// Dynamically require module
function getModule (filename) {
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const file = files(filename)
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const module = file.default || file
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if (module.commit) {
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throw new Error('[nuxt] store/' + filename.replace('./', '') + ' should export a method which returns a Vuex instance.')
}
if (module.state && typeof module.state !== 'function') {
throw new Error('[nuxt] state should be a function in store/' + filename.replace('./', ''))
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}
return module
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}
function getModuleNamespace (storeData, namePath) {
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if (namePath.length === 1) {
return storeData.modules
}
let namespace = namePath.shift()
storeData.modules[namespace] = storeData.modules[namespace] || {}
storeData.modules[namespace].namespaced = true
storeData.modules[namespace].modules = storeData.modules[namespace].modules || {}
return getModuleNamespace(storeData.modules[namespace], namePath)
}