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Add Markdown diagrams and render hooks for code blocks

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You can now create custom hook templates for code blocks, either one for all (`render-codeblock.html`) or for a given code language (e.g. `render-codeblock-go.html`).

We also used this new hook to add support for diagrams in Hugo:

* Goat (Go ASCII Tool) is built-in and enabled by default; just create a fenced code block with the language `goat` and start draw your Ascii diagrams.
* Another popular alternative for diagrams in Markdown, Mermaid (supported by GitHub), can also be implemented with a simple template. See the Hugo documentation for more information.

Updates #7765
Closes #9538
Fixes #9553
Fixes #8520
Fixes #6702
Fixes #9558
This commit is contained in:
Bjørn Erik Pedersen 2022-02-17 13:04:00 +01:00
parent 2c20f5bc00
commit 08fdca9d93
73 changed files with 1887 additions and 1986 deletions
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13
markup/markup.go
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@ -39,11 +39,8 @@ func NewConverterProvider(cfg converter.ProviderConfig) (ConverterProvider, erro
return nil, err
}
if cfg.Highlight == nil {
h := highlight.New(markupConfig.Highlight)
cfg.Highlight = func(code, lang, optsStr string) (string, error) {
return h.Highlight(code, lang, optsStr)
}
if cfg.Highlighter == nil {
cfg.Highlighter = highlight.New(markupConfig.Highlight)
}
cfg.MarkupConfig = markupConfig
@ -95,7 +92,7 @@ type ConverterProvider interface {
Get(name string) converter.Provider
// Default() converter.Provider
GetMarkupConfig() markup_config.Config
Highlight(code, lang, optsStr string) (string, error)
GetHighlighter() highlight.Highlighter
}
type converterRegistry struct {
@ -112,8 +109,8 @@ func (r *converterRegistry) Get(name string) converter.Provider {
return r.converters[strings.ToLower(name)]
}
func (r *converterRegistry) Highlight(code, lang, optsStr string) (string, error) {
return r.config.Highlight(code, lang, optsStr)
func (r *converterRegistry) GetHighlighter() highlight.Highlighter {
return r.config.Highlighter
}
func (r *converterRegistry) GetMarkupConfig() markup_config.Config {