enhancements to the latex cards

experiments/example.rb

@@ -0,0 +1,30 @@
+require "json"
+require "js"
+
+def print_step(label, state)
+    puts "Ruby: #{label} #{state}"
+    JS.global[:rubyOutputs].push({
+        label: label,
+        state: state
+    })
+end
+
+def run(config)
+    i = config["i"] || 1
+    j = config["j"] || 1
+    n = config["n"] || 10
+
+    print_step "Initial", { i: i, j: j, n: n }
+
+    n.times do
+        m = i + j
+        i = j
+        j = m
+
+        print_step "Step", { i: i, j: j }
+    end
+
+    return i
+end
+
+run({ "n" => 10 })

experiments/foo.rb

@@ -0,0 +1,35 @@
+class CardDSL
+  def initialize
+    @blocks = []
+  end
+
+  def text(content)
+    @blocks << { type: "text", content: content }
+  end
+
+  def code(content)
+    @blocks << { type: "code", content: content }
+  end
+
+  def math(content)
+    @blocks << { type: "math", content: content }
+  end
+
+  def blocks
+    @blocks
+  end
+end
+
+def print_card(&block)
+  card = CardDSL.new
+  card.instance_eval(&block)
+
+  card.blocks.each { |block| p block }
+  # JS.global[:rubyOutputs].push(card)
+end
+
+print_card do
+  text "Hello, world!"
+  code "puts 'Hello, world!'"
+  math "\\begin{bmatrix} 1 & 2 \\\\ 3 & 4 \\end{bmatrix}"
+end