themes-noir/overrides.go
Alex Dunmow 1bebbea5ad initial: theme plugin noir
Bootstrapped during the 2026-06-06 BlockNinja consolidation. Was previously
an unversioned directory inside ~/src/blockninja-themes/noir.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-06-06 14:11:40 +08:00

100 lines
2.7 KiB
Go

package main
import (
"bytes"
"context"
"strconv"
"git.dev.alexdunmow.com/block/core/blocks"
)
// NoirHeadingBlock overrides the built-in heading.
// Renders with the display-serif family, no underline, generous tracking.
func NoirHeadingBlock(ctx context.Context, content map[string]any) string {
text := getString(content, "text")
textClass := getString(content, "textClass")
level := parseHeadingLevel(content)
var buf bytes.Buffer
_ = noirHeadingComponent(level, text, textClass).Render(ctx, &buf)
return buf.String()
}
// parseHeadingLevel parses the heading level from content (1-6, default 2).
func parseHeadingLevel(content map[string]any) int {
if level, ok := content["level"].(float64); ok {
l := int(level)
if l >= 1 && l <= 6 {
return l
}
}
if level, ok := content["level"].(int); ok {
if level >= 1 && level <= 6 {
return level
}
}
if level, ok := content["level"].(string); ok {
if l, err := strconv.Atoi(level); err == nil && l >= 1 && l <= 6 {
return l
}
}
return 2
}
// NoirTextBlock overrides the built-in text block.
// Renders with the humanist sans family and generous leading.
func NoirTextBlock(ctx context.Context, content map[string]any) string {
text := getString(content, "text")
class := getString(content, "class")
var buf bytes.Buffer
_ = noirTextComponent(text, class).Render(ctx, &buf)
return buf.String()
}
// NoirImageBlock overrides the built-in image block.
// Always full-bleed inside its container with a mono caption beneath.
func NoirImageBlock(ctx context.Context, content map[string]any) string {
src := blocks.ResolveMediaPath(getString(content, "src"))
alt := getString(content, "alt")
caption := getString(content, "caption")
if caption == "" {
caption = getString(content, "title")
}
var buf bytes.Buffer
_ = noirImageComponent(src, alt, caption).Render(ctx, &buf)
return buf.String()
}
// NoirButtonBlock overrides the built-in button.
// Renders as a hairline 1px outline, no fill, hover inverts.
func NoirButtonBlock(ctx context.Context, content map[string]any) string {
text := getString(content, "text")
if text == "" {
text = getString(content, "label")
}
href := getString(content, "url")
if href == "" {
href = getString(content, "href")
}
var buf bytes.Buffer
_ = noirButtonComponent(text, href).Render(ctx, &buf)
return buf.String()
}
// NoirCardBlock overrides the built-in card.
// Transparent background, hairline border only.
func NoirCardBlock(ctx context.Context, content map[string]any) string {
title := getString(content, "title")
body := getString(content, "body")
if body == "" {
body = getString(content, "text")
}
var buf bytes.Buffer
_ = noirCardComponent(title, body).Render(ctx, &buf)
return buf.String()
}