Include Jekyll plugins

Author: trvrb

_plugins/eq.rb

@@ -0,0 +1,34 @@
+# Author: Trevor Bedford
+# License: MIT
+
+module Jekyll
+	class Eq < Liquid::Tag
+		def initialize(tag_name, markup, tokens)
+			super
+			@markup = "#{markup}".strip
+		end
+		def render(context)
+		
+			require 'execjs'
+		
+			parsed = Liquid::Template.parse(@markup).render context
+
+			katexsrc = open("./js/katex.min.js").read
+			@katex = ExecJS.compile(katexsrc)
+
+            style = "text-align: center; margin-top: 0.5em; margin-bottom: 0.5em;"
+			div_open = "<div style='#{style}'>"
+			parsed = "\\displaystyle " + parsed			
+			div_close = "</div>"
+			output = div_open + eqn_to_html(parsed) + div_close
+			
+			return output			
+
+		end
+		def eqn_to_html(string)
+			return @katex.call("katex.renderToString", string,  { displayMode: true })
+		end		
+	end
+end
+
+Liquid::Template.register_tag('eq', Jekyll::Eq)

_plugins/eqinline.rb

@@ -0,0 +1,27 @@
+# Author: Trevor Bedford
+# License: MIT
+
+module Jekyll
+	class EqInline < Liquid::Tag
+		def initialize(tag_name, markup, tokens)
+			super
+			@markup = "#{markup}".strip
+		end
+		def render(context)
+
+			require 'execjs'
+
+			parsed = Liquid::Template.parse(@markup).render context
+			
+			katexsrc = open("./js/katex.min.js").read
+			@katex = ExecJS.compile(katexsrc)
+			return eqn_to_html(parsed)
+
+		end
+		def eqn_to_html(string)
+			return @katex.call("katex.renderToString", string)
+		end
+	end
+end
+
+Liquid::Template.register_tag('eqinline', Jekyll::EqInline)