Moved contents of seasoned_api up to root folder

src/config/filters.js

@@ -0,0 +1,34 @@
+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.value.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;