Laravel ERD Generator

Automatically generate interactive ERD from Models relationships in Laravel.

• This package provides a CLI to automatically generate interactive ERD by looking into relationships setup inside Models.
• The tool's interface is available to get JSON data of relationships and table schema from Models to be used by visual charts libraries of your choice such as d3.js etc
• Output is an interactive ERD (Entity Relation Diagram) powered by HTML and JS (GOJS).

Lang	Link
Details	Medium Article
Demo	Online Demo

Requirements

Lang	Version
PHP	7.4 or 8.0
Laravel	6.* or 8.*

Installation

You can install the package via composer:

composer require kevincobain2000/laravel-erd --dev

You can publish the config file with:

php artisan vendor:publish --provider="Kevincobain2000\LaravelERD\LaravelERDServiceProvider"

Usage

You can access the ERD in localhost:3000/erd

or generate a static HTML

php artisan erd:generate

ERD HTML is generated inside docs/.

Sample

Screenshot

Get JSON output

use Kevincobain2000\LaravelERD\LaravelERD;

$modelsPath = base_path('app/Models');

$laravelERD = new LaravelERD();
$linkDataArray = $laravelERD->getLinkDataArray($modelsPath);
$nodeDataArray = $laravelERD->getNodeDataArray($modelsPath);
$erdData = json_encode(
    [
        "link_data" => $linkDataArray,
        "node_data" => $nodeDataArray,
    ],
    JSON_PRETTY_PRINT
);
var_dump($erdData);

Sample JSON output

{
    "link_data": [
        {
            "from": "comments",
            "to": "users",
            "fromText": "1..1\nBT",
            "toText": "",
            "fromPort": "author_id",
            "toPort": "id",
            "type": "BelongsTo"
        },
        {
            "from": "comments",
            "to": "posts",
            "fromText": "1..1\nBT",
            "toText": "",
            "fromPort": "post_id",
            "toPort": "id",
            "type": "BelongsTo"
        },
        ...
        ...
    ],
    "node_data": [
        {
            "key": "comments",
            "schema": [
                {
                    "name": "id",
                    "isKey": true,
                    "figure": "Hexagon",
                    "color": "#be4b15",
                    "info": "integer"
                },
                {
                    "name": "author_id",
                    "isKey": false,
                    "figure": "Decision",
                    "color": "#6ea5f8",
                    "info": "integer"
                },
                ...
                ...
        }
        ...
    ]

Testing

./vendor/bin/phpunit

Changelog

• Initial Release - POC