src holds all controllers, config and api

src/config/filters.js

@@ -0,0 +1,35 @@
+class Filters {
+
+  constructor(value) {
+    this.value = value;
+    this.delimiter = '|';
+  }
+
+  get filters() {
+    return this.value.split(this.delimiter).slice(0, -1);
+  }
+
+  isEmpty() {
+    return !this.hasValidType() || this.filters.length === 0;
+  }
+
+  has(filter) {
+    return this.filters.includes(filter);
+  }
+
+  hasValidType() {
+    return (typeof this.value === 'string');
+  }
+
+  removeFiltersFromValue() {
+    if (this.hasValidType() === false) {
+      return this.value;
+    }
+
+    let filtersCombined = this.filters.join(this.delimiter);
+    filtersCombined += this.filters.length >= 1 ? this.delimiter : '';
+    return this.value.replace(filtersCombined, '');
+  }
+}
+
+module.exports = Filters;