52 lines
1.0 KiB
Go
52 lines
1.0 KiB
Go
package tmplfuncs
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"strings"
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)
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func PrefixLines(prefix, text string) string {
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return prefix + strings.Join(strings.Split(text, "\n"), "\n"+prefix)
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}
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func CodeFile(format, file string) (string, error) {
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// paths are relative to the rendering process work dir, which
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// may be undesirable, probably need to think about it
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wd, err := os.Getwd()
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if err != nil {
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return "", err
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}
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fullPath := filepath.Join(wd, file)
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content, err := ioutil.ReadFile(fullPath)
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if err != nil {
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return "", fmt.Errorf("unable to read content from %q: %w", file, err)
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}
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sContent := strings.TrimSpace(string(content))
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if sContent == "" {
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return "", fmt.Errorf("no file content in %q", file)
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}
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md := &strings.Builder{}
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_, err = md.WriteString("```" + format + "\n")
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if err != nil {
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return "", err
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}
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_, err = md.WriteString(sContent)
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if err != nil {
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return "", err
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}
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_, err = md.WriteString("\n```")
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if err != nil {
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return "", err
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}
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return md.String(), nil
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}
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