shithub: hugo

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Refactor Org mode front matter: Introduce '#+KEY[]:' array notation

Hugo requires some front matter values to be arrays (e.g. for taxonomies).
Org mode front matter syntax (`#+KEY: VALUE`) does however not support anything
but string values normally - which is why goorgeous hardcoded the values for
the keys tags, categories & aliases to be parsed as string arrays. This causes
problems with custom taxonomies.

A simple thing we can do instead is make keywords ending in '[]' be parsed as
string arrays.

--- a/parser/metadecoders/decoder.go

+++ b/parser/metadecoders/decoder.go

@@ -187,7 +187,10 @@

 	frontMatter := make(map[string]interface{}, len(document.BufferSettings))

 	for k, v := range document.BufferSettings {

 		k = strings.ToLower(k)

-		if k == "tags" || k == "categories" || k == "aliases" {

+		if strings.HasSuffix(k, "[]") {

+			frontMatter[k[:len(k)-2]] = strings.Fields(v)

+		} else if k == "tags" || k == "categories" || k == "aliases" {

+			jww.WARN.Printf("Please use '#+%s[]:' notation, automatic conversion is deprecated.", k)

 			frontMatter[k] = strings.Fields(v)

 		} else {

 			frontMatter[k] = v