Author: LakeFox
Email: [email protected]
Date: Tue, 13 May 2025 18:49:16 -0600
transformers/ol/main.go
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Diff 
package ol

import (
	"fmt"
	"grim"
	"strconv"

	"github.com/golang/freetype/truetype"
)

func Init() grim.Transformer {
	return grim.Transformer{
		Selector: func(n *grim.Node, c *grim.CSS) bool {
			return n.TagName() == "ol"
		},
		Handler: func(n *grim.Node, c *grim.CSS) *grim.Node {
			tN := n.CreateElement(n.TagName())
			var maxOS int
			var widths []int
			// !ISSUE: Update this to match ul
			for i, v := range n.Children {
				li := n.CreateElement("li")
				dot := li.CreateElement("div")
				content := li.CreateElement("div")

				for k, v := range v.ComputedStyle {
					li.ComputedStyle[k] = v
					dot.ComputedStyle[k] = v
					content.ComputedStyle[k] = v
				}

				li.ComputedStyle["display"] = "flex"
				li.ComputedStyle["align-items"] = "center"

				dot.ComputedStyle["margin-right"] = "6px"
				dot.ComputedStyle["display"] = "block"

				italic := false

				if n.ComputedStyle["font-style"] == "italic" {
					italic = true
				}

				if c.Fonts == nil {
					c.Fonts = map[string]*truetype.Font{}
				}

				fs := grim.ConvertToPixels(n.ComputedStyle["font-size"], 16, c.Width)
				em := fs

				fid := n.ComputedStyle["font-family"] + fmt.Sprint(em, n.ComputedStyle["font-weight"], italic)
				fnt, ok := c.Fonts[fid]

				if !ok {
					f, err := grim.LoadFont(n.ComputedStyle["font-family"], int(em), n.ComputedStyle["font-weight"], italic, &c.Adapter.FileSystem)

					if err != nil {
						panic(err)
					}
					c.Fonts[fid] = f
				}

				w := grim.MeasureText(&grim.MetaData{Font: fnt}, strconv.Itoa(i+1)+".")
				widths = append(widths, w)
				if w > maxOS {
					maxOS = w
				}

				dot.InnerText(strconv.Itoa(i+1) + ".")

				content.InnerText(v.InnerText())
				content.ComputedStyle["display"] = "block"

				li.AppendChild(&dot)
				li.AppendChild(&content)
				// !CHECK: This might have to re arranged
				// li.Parent = n

				tN.AppendChild(&li)
			}

			for i := range tN.Children {
				tN.Children[i].Children[0].ComputedStyle["margin-left"] = strconv.Itoa((maxOS - widths[i])) + "px"
			}
			n.Children = tN.Children
			return n
		},
	}
}