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fsvector.go
48 lines (40 loc) · 1 KB
/
fsvector.go
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package fsvector
import (
"github.com/inkeliz/giosvg"
"io/fs"
"path/filepath"
)
// New returns a list of `*giosvg.IconOp`.
// It expects the image to be SVG, and the name of the file must
// be unique, even if the file is storage on distinct folders.
//
// The name of the file doesn't contain the extension.
func New(embed fs.FS) (map[string]*giosvg.IconOp, error) {
images := make(map[string]*giosvg.IconOp, 16)
err := fs.WalkDir(embed, ".", func(path string, d fs.DirEntry, err error) error {
if filepath.Ext(d.Name()) != ".svg" {
return nil
}
fileReader, err := embed.Open(path)
if err != nil {
return err
}
defer fileReader.Close()
name := d.Name()
name = name[:len(name)-4]
images[name], err = giosvg.NewIconOpReader(fileReader)
return err
})
if err != nil {
return nil, err
}
return images, nil
}
// NewMust uses New and panic when error is returned.
func NewMust(embed fs.FS) map[string]*giosvg.IconOp {
r, err := New(embed)
if err != nil {
panic(err)
}
return r
}