➖ Remove query-string dependency (28% smaller bundle size) (#605)

* Remove query-string dependency

* Update readme

README.md

@@ -63,6 +63,10 @@ ics(event); // standard ICS file based on https://icalendar.org
 - If you don't pass the start and end time in UTC, Google will convert it to UTC but Outlook won't, so it's a good idea to use UTC when passing dates and times
 - There are some known issues in Office 365 because of which we can't generate a consistent link in all devices (#542)
 
+## Compatibility
+
+This package uses [URLSearchParams](https://developer.mozilla.org/en-US/docs/Web/API/URLSearchParams) (Node.js >= 10, 97%+ browsers), but if you need to include a polyfill, you can include [url-search-params-polyfill](https://www.npmjs.com/package/url-search-params-polyfill) first.
+
 ## License
 
 MIT © [Anand Chowdhary](https://anandchowdhary.com/?utm_source=github&utm_medium=calendar-link&utm_campaign=readme)

package.json

@@ -61,7 +61,6 @@
     "typescript": "^4.0.3"
   },
   "dependencies": {
-    "dayjs": "^1.9.3",
-    "query-string": "^6.13.6"
+    "dayjs": "^1.9.3"
   }
 }

src/index.ts

@@ -1,6 +1,5 @@
 import dayjs from "dayjs";
 import utc from "dayjs/plugin/utc";
-import { stringify } from "query-string";
 
 import {
   CalendarEvent,
@@ -16,6 +15,19 @@ import { TimeFormats } from "./utils";
 
 dayjs.extend(utc);
 
+function stringify(input: Record<string, any>): string {
+  const params = new URLSearchParams();
+  Object.keys(input)
+    .sort()
+    .forEach((key) => {
+      const value = input[key];
+      if (value != null) {
+        params.append(key, value);
+      }
+    });
+  return params.toString().replace(/\+/g, "%20");
+}
+
 function formatTimes(
   { startTime, endTime }: NormalizedCalendarEvent,
   dateTimeFormat: keyof typeof TimeFormats