SQLite FTS example (#20)

* SQLite FTS example

* refactor: remove via cfg chaining

---------

Co-authored-by: Joao Goncalves <joao.goncalves01@gmail.com>

internal/examples/shakespeare/rowsToHTML.go

@@ -0,0 +1,77 @@
+package main
+
+import (
+	"database/sql"
+	"fmt"
+
+	"github.com/go-via/via/h"
+)
+
+type H = h.H
+
+func valueToString(v any) string {
+	if v == nil {
+		return ""
+	}
+	if b, ok := v.([]byte); ok {
+		return string(b)
+	}
+	return fmt.Sprint(v)
+}
+
+// RenderTable takes sql.Rows and an array of CSS class names for each column.
+// Returns a complete HTML table as a gomponent.
+func RenderTable(rows *sql.Rows, columnClasses []string) (H, error) {
+	cols, err := rows.Columns()
+	if err != nil {
+		return nil, err
+	}
+
+	headerCells := make([]h.H, len(cols))
+	for i, col := range cols {
+		headerCells[i] = h.Th(h.Attr("scope", "col"), h.Text(col))
+	}
+	thead := h.THead(h.Tr(headerCells...))
+
+	var bodyRows []h.H
+	for rows.Next() {
+		values := make([]any, len(cols))
+		scanArgs := make([]any, len(cols))
+		for i := range values {
+			scanArgs[i] = &values[i]
+		}
+
+		if err := rows.Scan(scanArgs...); err != nil {
+			return nil, err
+		}
+
+		cells := make([]h.H, len(values))
+		if len(values) > 0 {
+			var thAttrs []h.H
+			thAttrs = append(thAttrs, h.Attr("scope", "row"))
+			if len(columnClasses) > 0 && columnClasses[0] != "" {
+				thAttrs = append(thAttrs, h.Class(columnClasses[0]))
+			}
+			thAttrs = append(thAttrs, h.Text(valueToString(values[0])))
+			cells[0] = h.Th(thAttrs...)
+
+			for i := 1; i < len(values); i++ {
+				var tdAttrs []h.H
+				if i < len(columnClasses) && columnClasses[i] != "" {
+					tdAttrs = append(tdAttrs, h.Class(columnClasses[i]))
+				}
+				tdAttrs = append(tdAttrs, h.Text(valueToString(values[i])))
+				cells[i] = h.Td(tdAttrs...)
+			}
+		}
+
+		bodyRows = append(bodyRows, h.Tr(cells...))
+	}
+
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+
+	tbody := h.TBody(bodyRows...)
+	return h.Table(thead, tbody), nil
+}