Mentions Frontend System Design

Problem Statement

Design a mentions system where users can type @ inside a text input or WYSIWYG editor, see a list of suggested users, and select one to insert into the text as a styled mention. It is a common feature in most social platforms or collaborative tools like LinkedIn, Google Doc, Facebook, Twitter, Reddit, and likes.

Requirement Gatherings

Ask targeted clarifying questions to define scope and constraints. Defining a clear scope in th...