How to Install Mermaid on macOS

This tutorial will guide you through the steps required to install Mermaid on your macOS system. Mermaid is a JavaScript library for creating diagrams and flowcharts.

Prerequisites

• macOS system
• Homebrew package manager

Steps

1. Open a terminal window on your macOS system.
2. Install Node.js using Homebrew by running the following command in the terminal window:

brew install node

3. Verify that Node.js has been installed by running the following command in the terminal window:

node -v

4. Install Mermaid globally with npm by running the following command in the terminal window:

npm install -g mermaid

5. Verify that Mermaid has been installed by running the following command in the terminal window:

mermaid --version

6. To use Mermaid in a project, add the following code to your HTML file:

<script src="https://cdn.jsdelivr.net/npm/mermaid/dist/mermaid.min.js"></script>

7. To test Mermaid, create a new HTML file, add the code from step 5 to the head section, and add the following code to the body section:

<div class="mermaid">
graph TD;
    A-->B;
    A-->C;
    B-->D;
    C-->D;
</div>

8. Open the HTML file in a browser, and you should see the Mermaid diagram displayed.

Congratulations! You have successfully installed Mermaid on your macOS system.

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