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tasks.go
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tasks.go
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package create
import (
"embed"
"errors"
"fmt"
"html/template"
"io"
"io/fs"
"os"
"os/exec"
"path"
"github.com/Shopify/shopify-cli-extensions/core"
)
//go:embed templates/* templates/projects/**/.*
var templates embed.FS
type CreateProject core.Extension
func (e CreateProject) Run() error {
extension := core.Extension(e)
shared, _ := fs.Sub(templates, "templates/shared")
project, _ := fs.Sub(templates, path.Join("templates/projects", extension.Type))
engine := NewTemplateEngine(extension, FS{shared}, FS{project})
engine.createProject()
return nil
}
func (ext CreateProject) Undo() error {
return nil
}
// MakeDir is a process.Task that creates a directory.
type MakeDir string
func (path MakeDir) Run() error {
return os.MkdirAll(string(path), 0755)
}
func (path MakeDir) Undo() error {
return os.Remove(string(path))
}
// InstallDependencies is a process.Task for installing the JavaScript packages required
// by an extension. It's automatically choose which package manager to use.
type InstallDependencies string
func (path InstallDependencies) Run() error {
var package_manager string
if yarn, err := LookPath("yarn"); err == nil {
package_manager = yarn
} else if npm, err := LookPath("npm"); err == nil {
package_manager = npm
} else {
return errors.New("package manager not found")
}
cmd := Command(string(path), package_manager)
output, err := cmd.CombinedOutput()
if err != nil {
return fmt.Errorf("failed to install dependencies: %s", output)
}
return nil
}
func (path InstallDependencies) Undo() error {
// TODO: Skip if directory doesn't exist
cmd := exec.Command("rm", "-rf", "node_modules")
cmd.Dir = string(path)
return cmd.Run()
}
type RenderTask struct {
Source *SourceFileReference
Target *TargetFileReference
Extension core.Extension
*template.Template
}
func (t RenderTask) Run() error {
rule := LookupRule(t.Extension, t.Source, t.Target)
target := rule(t.Extension, t.Source, t.Target)
return target.Open(func(w io.Writer) error {
return t.ExecuteTemplate(w, t.Source.Path(), t.Extension)
})
}
func (t RenderTask) Undo() error {
return nil
}
type CopyFileTask struct {
Source *SourceFileReference
Target *TargetFileReference
}
func (t CopyFileTask) Run() error {
return t.Target.Open(func(w io.Writer) error {
return t.Source.Open(func(r io.Reader) error {
_, err := io.Copy(w, r)
return err
})
})
}
func (t CopyFileTask) Undo() error {
return nil
}