mermaid-js/mermaid
Mermaid
This project is a client-side rendering engine that transforms declarative, text-based syntax into visual diagrams directly within the browser. By utilizing a domain-specific language, it allows users to define complex structures—such as software architectures, process flows, and system behaviors—without the need for manual layout configuration. The library functions as a browser-based runtime that parses these definitions into intermediate abstract syntax trees, which are then processed by specialized engines to generate high-fidelity, resolution-independent graphics.
The system distinguishes itself through a modular architecture that decouples diagram types into independent plugins, allowing for a wide range of visualizations including sequence diagrams, entity relationship models, and project timelines. To ensure security when processing untrusted input, the library supports sandboxed rendering within isolated frames. It also features automatic rendering capabilities, which monitor the document object model to detect and visualize diagram definitions embedded within standard web content.
Beyond its core rendering engine, the project supports a documentation-as-code workflow by integrating with various development environments, productivity platforms, and content frameworks. This enables the inclusion of version-controlled, dynamic visuals in technical guides and wikis. The library is designed for flexible deployment, offering support for content delivery network integration to facilitate implementation without requiring local build processes.
Features
- Declarative Visualization Languages - Converts plain-text configuration into visual charts and graphs without requiring manual layout adjustments.
- Entity Relationship Models - Maps declarative definitions of entities and logical relationships into visual database schema representations.
- Flowchart Generators - Calculates layout and connection paths automatically for process flows defined through simple text syntax.
- Text-to-Diagram Engines - Translates declarative text definitions into fully rendered visual diagrams using standard web technologies.
- Interactive Diagramming Libraries - Embeds interactive, browser-rendered diagrams directly into web applications and documentation platforms.
- Text-to-Diagram Generators - Parses structured text syntax to render complex visual diagrams automatically within the browser.
- Class Diagrams - Illustrates object-oriented system structures by mapping class definitions and relationships to standard diagramming conventions.
- Sequence Diagrams - Visualizes interaction flows by transforming chronological text-based syntax into structured sequence diagrams.
- Browser-Based Runtimes - Executes dynamic transformations of embedded code blocks into interactive visual elements within the browser.
- C4 Architecture Diagrams - Depicts software architecture by defining system boundaries, containers, and components to represent complex technical structures.
- Graph Layout Engines - Determines spatial positioning and edge routing for diagram nodes using algorithmic graph theory for readable output.
- Gantt Charts - Visualizes project schedules and task dependencies by rendering text-based definitions into interactive timeline diagrams.
- Pie Charts - Displays data distributions by defining labeled segments and numeric values to render proportional circular charts.
- SVG Diagramming Libraries - Generates scalable vector graphics from text-based syntax to enable high-quality, responsive diagramming.
- Diagramming Plugins - Supports modular extensions that allow custom diagram types and parsers to integrate with the core rendering engine.
- Git Graph Visualizers - Renders version control history, including branches, commits, and merge patterns, from a simple text-based definition language.
- State Diagrams - Models complex state machine logic by defining states, transitions, and choice points through a text-based syntax.
- Automatic Diagram Renderers - Scans and renders diagram definitions embedded within document markup to visualize structured data instantly.
- User Journey Maps - Maps user interaction flows by visualizing process steps, actors, and task statuses.
- Architecture Visualization - JavaScript tool for rendering diagrams from Markdown syntax.
- Diagramming And UI Libraries - Text-to-diagram generation and flowchart rendering.
- Diagramming Tools - Tool for generating diagrams from text-based markdown definitions.
- Online Design Tools - Renders text-based definitions into dynamic diagrams.
- JavaScript 框架汇总 - Listed in the “JavaScript 项目” section of the Great Open Source Project awesome list.
- Architecture Modeling - Constructs structural system diagrams from plain-text definitions to clarify complex architectural relationships.
- Documentation Tooling - Facilitates the inclusion of version-controlled visual assets directly into technical documentation workflows and markdown-based content.
- Documentation Visualization Tools - Clarifies complex technical workflows by embedding interactive, version-controlled diagrams into project wikis and documentation guides.
- Content Sharing and Embedding - Injects dynamic visual content into web platforms by converting text-based source code into rendered diagrams via specialized plugins.
- Editor Extensions - Enables live previews and syntax highlighting for diagram definitions within popular code editors through dedicated plugins.
- Quadrant Charts - Organizes comparative data points into two-dimensional grid layouts to highlight strategic positioning and relationships.
- DOM Observers - Observes document structure to identify and transform specific syntax blocks into diagrams automatically upon page load.
- Wiki and Productivity Macros - Powers the automatic display of visual diagrams within wiki pages and productivity suites through simple macro integration.
