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34 lines
758 B
Go
34 lines
758 B
Go
package frontmatter
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import (
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"strings"
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"gopkg.in/yaml.v1"
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)
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// Frontmatter encapsulates cheatsheet frontmatter data
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type Frontmatter struct {
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Tags []string
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Syntax string
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}
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// Parse parses cheatsheet frontmatter
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func Parse(markdown string) (string, Frontmatter, error) {
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// specify the frontmatter delimiter
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delim := "---"
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// initialize a frontmatter struct
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var fm Frontmatter
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// if the markdown does not contain frontmatter, pass it through unmodified
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if !strings.HasPrefix(markdown, delim) {
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return strings.TrimSpace(markdown), fm, nil
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}
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// otherwise, split the frontmatter and cheatsheet text
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parts := strings.SplitN(markdown, delim, 3)
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err := yaml.Unmarshal([]byte(parts[1]), &fm)
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return strings.TrimSpace(parts[2]), fm, err
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}
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