cache.go

package main

import (
	"fmt"
	"path/filepath"

	"github.com/bitrise-io/go-steputils/cache"
	"github.com/bitrise-io/go-utils/pathutil"
)

// cacheNpm marks node_modules for caching
func cacheNpm(workdir string) error {
	npmCache := cache.New()

	localPackageDir := filepath.Join(workdir, "node_modules")
	localPackageLockFile := filepath.Join(workdir, "package-lock.json")

	exist, err := pathutil.IsDirExists(localPackageDir)
	if err != nil {
		return fmt.Errorf("failed to check directory existence, error: %s", err)
	}
	if !exist {
		return fmt.Errorf("local node_modules directory does not exist: %s", localPackageDir)
	}

	npmCache.IncludePath(localPackageDir + " -> " + localPackageLockFile)

	if err := npmCache.Commit(); err != nil {
		return fmt.Errorf("failed to mark node_modules directory to be cached, error: %s", err)
	}
	return nil
}