System design
Rich Text Editor
Premium
Yangshun TayEx-Meta Staff Engineer
Question
Design an extensible rich text editor component that allows users to create and edit text with various formatting options.
Real-life examples
Popular implementations range from framework-level editor libraries to complete document-editing products:
Rich text editors are also commonly known as WYSIWYG editors ("What you see is what you get"), as you can directly format text without using special markup or syntax.
The solution includes optional follow-up depth
A 40-minute interview should focus on the document model, operations, input translation, and DOM reconciliation. Later sections cover optional implementation details and production concerns.