46 lines
1.0 KiB
Go
46 lines
1.0 KiB
Go
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package packd
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import (
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"path/filepath"
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"strings"
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"github.com/pkg/errors"
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)
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var CommonSkipPrefixes = []string{".", "_", "node_modules", "vendor"}
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// SkipWalker will walk the Walker and call the WalkFunc for files who's directories
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// do no match any of the skipPrefixes. If no skipPrefixes are passed, then
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// CommonSkipPrefixes is used
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func SkipWalker(walker Walker, skipPrefixes []string, wf WalkFunc) error {
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if len(skipPrefixes) == 0 {
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skipPrefixes = append(skipPrefixes, CommonSkipPrefixes...)
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}
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return walker.Walk(func(path string, file File) error {
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fi, err := file.FileInfo()
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if err != nil {
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return errors.WithStack(err)
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}
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path = strings.Replace(path, "\\", "/", -1)
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parts := strings.Split(path, "/")
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if !fi.IsDir() {
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parts = parts[:len(parts)-1]
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}
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for _, base := range parts {
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if base != "." {
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for _, skip := range skipPrefixes {
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skip = strings.ToLower(skip)
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lbase := strings.ToLower(base)
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if strings.HasPrefix(lbase, skip) {
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return filepath.SkipDir
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}
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}
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}
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}
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return wf(path, file)
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})
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}
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