MermaidJS

As explained in Coding with AI

Mermaid is a text-based diagramming tool that generates diagrams from a declarative syntax.

MermaidJS is a text-based diagramming tool that turns declarative, Markdown-like markup into flowcharts. It makes application flows quick to sketch before implementation, helping expose confusing paths and usability problems. section 7.3

Practice-test flow

A short description can produce a complete test workflow: entry page, start action, questions 1–35, answer submission, early exit, results page, and return home. ChatGPT generated this Mermaid structure: `graph TD; A[Entry Page] --> B[Click Start Test]; B --> C[Question 1]; C -->|Submit Answer| D[Question 2]; C -->|End Test| H[Results Page]`. section 7.3

Figure 7.4 Our application’s workflow

Use the workflow figure to inspect the complete path from entry through testing and results. section 7.3

How Coding with AI covers it

How deep it goes

Defines Mermaid briefly and demonstrates generated flowchart syntax, but does not explain rendering tools or language internals.

Examples

Demonstrates a ham-radio practice test with entry, questions, submission, early exit, results, and home navigation.

What it assumes

Assumes a process to describe and basic familiarity with text markup, while demonstrating Mermaid syntax from a natural-language prompt.

What you can do after

Apply it via Mermaid and ChatGPT to turn a rough process description into a reviewable application flowchart.

How it connects

Connects flowcharts with Markdown-like markup, natural language processing, ChatGPT, and user-interface workflow design.

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Also explained in

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  liveBookmanning.com
  AI-Powered Developer: Build software with ChatGPT and CopilotMermaid is a diagramming and charting tool that generates visual diagrams from text-based definitions.

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Related concepts

• ChatGPTused by · ChatGPT is OpenAI’s conversational AI service, which lets users interact with generative AI models and related tools through natural-language prompts.
• UML sequence diagramused by · A UML sequence diagram is a visual model showing interactions among participants in their temporal order.
• markup languagekind of · A markup language is a formal language that annotates content to specify its structure, presentation, meaning, or processing.
• model architectureused by · The structural organization of a computational system’s components, relationships, and operations that determines how it processes information or behaves.

This explainer was generated by Manning's knowledge graph from the text of Coding with AI. The section links point to the parts of the book it draws on.