📦 IsProject

Checks whether the current working directory is a Composer project (i.e. whether a composer.json file exists); it does not execute any Composer commands.

When to use

Use this before performing operations such as install or dependency analysis to first determine whether the current directory is actually a PHP/Composer project, avoiding mistakes on non-project directories. It reads the filesystem directly and is extremely fast.

Signature

func (c *Composer) IsProject() bool

Parameters

This method takes no parameters.

Return value

Return value	Type	Description
Single return value	bool	Returns true when composer.json exists in the current working directory, otherwise false

Example

package main

import (
	"fmt"
	"log"

	"github.com/scagogogo/composer-skills/pkg/composer"
)

func main() {
	comp, err := composer.New(composer.DefaultOptions())
	if err != nil {
		log.Fatalf("Initialization failed: %v", err)
	}

	if comp.IsProject() {
		fmt.Println("The current directory is a Composer project ✅")
	} else {
		fmt.Println("The current directory is not a Composer project ❌")
	}
}

Advanced

• To check whether a specific directory is a Composer project, use IsProjectIn.
• To confirm whether a project has already run composer install, combine HasComposerLock and HasVendorDir.
• To read the complete composer.json content, use ReadComposerJson.