Create scripts/core

scripts/core/store.js

@@ -0,0 +1,56 @@
+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
+      }
+    }
+  }
+}