This is the package layout convention followed by official Unity packages:
<root>
├── package.json
├── README.md
├── CHANGELOG.md
├── LICENSE.md
├── Editor
│ ├── Unity.[YourPackageName].Editor.asmdef
│ └── EditorExample.cs
├── Runtime
│ ├── Unity.[YourPackageName].asmdef
│ └── RuntimeExample.cs
├── Tests
│ ├── Editor
│ │ ├── Unity.[YourPackageName].Editor.Tests.asmdef
│ │ └── EditorExampleTest.cs
│ └── Runtime
│ ├── Unity.[YourPackageName].Tests.asmdef
│ └── RuntimeExampleTest.cs
└── Documentation~
└── [YourPackageName].md
| Location | Description |
|---|---|
package.json |
The package manifest, which defines the package dependencies and other metadata. |
README.md |
Developer package documentation. This is generally documentation to help developers who want to modify the package or push a new change on the package master source repository. |
CHANGELOG.md |
Description of package changes in reverse chronological order. It is good practice to use a standard format, like Keep a Changelog. |
LICENSE.md |
Contains the package license text. Usually the Package Manager copies the text from the selected SPDX list website. |
Editor/ |
Editor platform-specific Assets folder. Unlike Editor folders under Assets, this is only a convention and does not affect the Asset import pipeline. See Assembly definition and packages to properly configure Editor-specific assemblies in this folder. |
Runtime/ |
Runtime platform-specific Assets folder. This is only a convention and does not affect the Asset import pipeline. See Assembly definition and packages to properly configure runtime assemblies in this folder. |
Tests/ |
Package tests folder. |
Tests/Editor/ |
Editor platform specific tests folder. See Assembly definition and packages to properly configure Editor-specific test assemblies in this folder. |
Tests/Runtime/ |
Runtime platform specific tests. See Assembly definition and packages to properly configure runtime test assemblies in this folder. |
Documentation~ |
Optional folder for documentation for the package. |