34 lines
587 B
Go
34 lines
587 B
Go
package cmd
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import (
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"errors"
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"fmt"
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"os/exec"
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"strings"
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)
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var NodeNotFound = errors.New("nodejs not found")
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func Node(args ...string) (output string, err error) {
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if _, err := Which("node"); err != nil {
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if errors.Is(err, ErrNotFound) {
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return "", NodeNotFound
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} else {
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return "", err
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}
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}
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command := exec.Command("node", args...)
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outputBytes, err := command.Output()
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if err != nil {
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var exitErr *exec.ExitError
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if errors.As(err, &exitErr) {
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return "", fmt.Errorf("command error: %w", err)
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}
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}
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return strings.Trim(string(outputBytes), "\n"), nil
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}
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