glow/utils/utils.go
2020-10-30 19:06:46 +01:00

19 lines
480 B
Go

package utils
import "regexp"
func RemoveFrontmatter(content []byte) []byte {
if frontmatterBoundaries := detectFrontmatter(content); frontmatterBoundaries[0] == 0 {
return content[frontmatterBoundaries[1]:]
}
return content
}
var yamlPattern = regexp.MustCompile(`(?m)^---\r?\n(\s*\r?\n)?`)
func detectFrontmatter(c []byte) []int {
if matches := yamlPattern.FindAllIndex(c, 2); len(matches) > 1 {
return []int{matches[0][0], matches[1][1]}
}
return []int{-1, -1}
}