Initial commitHEADmain

Created from https://vercel.com/new

1 files changed, 62 insertions, 0 deletions

diff --git a/src/lib/params.ts b/src/lib/params.ts
new file mode 100644
index 0000000..ab2d586
--- /dev/null
+++ b/src/lib/params.ts
@@ -0,0 +1,62 @@
+import { FILTER_COLUMNS, OPERATORS } from '@/lib/constants';
+import type { Filter, QueryFilters, QueryOptions } from '@/lib/types';
+
+export function parseFilterValue(param: any) {
+  if (typeof param === 'string') {
+    const operatorValues = Object.values(OPERATORS).join('|');
+
+    const regex = new RegExp(`^(${operatorValues})\\.(.*)$`);
+
+    const [, operator, value] = param.match(regex) || [];
+
+    return { operator: operator || OPERATORS.equals, value: value || param };
+  }
+
+  return { operator: OPERATORS.equals, value: param };
+}
+
+export function isEqualsOperator(operator: any) {
+  return [OPERATORS.equals, OPERATORS.notEquals].includes(operator);
+}
+
+export function isSearchOperator(operator: any) {
+  return [OPERATORS.contains, OPERATORS.doesNotContain].includes(operator);
+}
+
+export function filtersObjectToArray(filters: QueryFilters, options: QueryOptions = {}): Filter[] {
+  if (!filters) {
+    return [];
+  }
+
+  return Object.keys(filters).reduce((arr, key) => {
+    const filter = filters[key];
+
+    if (filter === undefined || filter === null) {
+      return arr;
+    }
+
+    if (filter?.name && filter?.value !== undefined) {
+      return arr.concat({ ...filter, column: options?.columns?.[key] ?? FILTER_COLUMNS[key] });
+    }
+
+    const { operator, value } = parseFilterValue(filter);
+
+    return arr.concat({
+      name: key,
+      column: options?.columns?.[key] ?? FILTER_COLUMNS[key],
+      operator,
+      value,
+      prefix: options?.prefix,
+    });
+  }, []);
+}
+
+export function filtersArrayToObject(filters: Filter[]) {
+  return filters.reduce((obj, filter: Filter) => {
+    const { name, operator, value } = filter;
+
+    obj[name] = `${operator}.${value}`;
+
+    return obj;
+  }, {});
+}