Merge pull request #69 from reapit/task/add-utils-query-params

add utils query-params

src/index.tsx

@@ -14,6 +14,7 @@ export * from './components/Pagination'
 export * from './utils/cognito'
 export * from './utils/fetcher/fetcher'
 export * from './utils/datetime/datetime'
+export * from './utils/query-params/query-params'
 export * from './components/Menu'
 export * from './components/AppointmentTile'
 export * from './components/Map'

src/utils/query-params/__tests__/query-params.ts

@@ -0,0 +1,15 @@
+import { setQueryParams } from '../query-params'
+
+describe('setQueryParams', () => {
+  it('should create query params', () => {
+    ;[
+      [{ name: '1', address: '1' }, 'name=1&address=1'],
+      [{ name: '', address: '1' }, 'address=1'],
+      [{ name: ['a', 'b'], address: '1' }, 'name=a&name=b&address=1'],
+      [{ name: null, address: undefined }, '']
+    ].forEach(([params, expected]) => {
+      const result = setQueryParams(params)
+      expect(result).toBe(expected)
+    })
+  })
+})

src/utils/query-params/query-params.ts

@@ -0,0 +1,11 @@
+export const setQueryParams = (params: Object) => {
+  return Object.keys(params)
+    .filter(key => params[key] !== undefined && params[key] !== null && params[key] !== '')
+    .map(key => {
+      if (Array.isArray(params[key])) {
+        return params[key].map((value: any) => `${key}=${value}`).join('&')
+      }
+      return `${key}=${params[key]}`
+    })
+    .join('&')
+}