Update scripts

scripts/core/dataSet.ts

@@ -0,0 +1,36 @@
+import { Dictionary } from '@freearhey/core'
+
+export class DataSet {
+  _data: Dictionary<string>
+  constructor(data: Dictionary<string>) {
+    this._data = data
+  }
+
+  has(key: string): boolean {
+    return this._data.has(key)
+  }
+
+  missing(key: string): boolean {
+    return this._data.missing(key) || this._data.get(key) === undefined
+  }
+
+  getBoolean(key: string): boolean {
+    return Boolean(this._data.get(key))
+  }
+
+  getString(key: string): string | undefined {
+    const deleteSymbol = '~'
+
+    return this._data.get(key) === deleteSymbol ? '' : this._data.get(key)
+  }
+
+  getArray(key: string): string[] | undefined {
+    const deleteSymbol = '~'
+
+    if (this._data.missing(key)) return undefined
+
+    const value = this._data.get(key)
+
+    return !value || value === deleteSymbol ? [] : value.split('\r\n')
+  }
+}