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iptv/scripts/core/store.js

57 lines
1.5 KiB
JavaScript

const _ = require('lodash')
const logger = require('./logger')
const setters = require('../store/setters')
const getters = require('../store/getters')
module.exports = {
create(state = {}) {
return {
state,
changed: false,
set: function (prop, value) {
const prevState = JSON.stringify(this.state)
const setter = setters[prop]
if (typeof setter === 'function') {
try {
this.state[prop] = setter.bind()(value)
} catch (error) {
logger.error(`store/setters/${prop}.js: ${error.message}`)
}
} else if (typeof value === 'object') {
this.state[prop] = value[prop]
} else {
this.state[prop] = value
}
const newState = JSON.stringify(this.state)
if (prevState !== newState) {
this.changed = true
}
return this
},
get: function (prop) {
const getter = getters[prop]
if (typeof getter === 'function') {
try {
return getter.bind(this.state)()
} catch (error) {
logger.error(`store/getters/${prop}.js: ${error.message}`)
}
} else {
return prop.split('.').reduce((o, i) => (o ? o[i] : undefined), this.state)
}
},
has: function (prop) {
const value = this.get(prop)
return !_.isEmpty(value)
},
data: function () {
return this.state
}
}
}
}