Remove KaTeX from repository

Author: tatetian

.gitignore

@@ -1,4 +1,5 @@
 tex/
 build/
 node_modules/
+static/katex/
 npm-debug.log

Makefile

@@ -2,10 +2,16 @@
 
 build: lint build/pseudocode.min.js build/pseudocode.min.css
 
-setup:
+setup: setup-katex
 	npm install
 	mkdir -p build
 	ln -s ../static/fonts build/fonts
+	ln -s ../static/katex build/katex
+
+setup-katex:
+	@rm -rf static/katex
+	cd static && wget https://github.com/Khan/KaTeX/releases/download/v0.2.0/katex.zip && unzip katex.zip
+	@rm -rf static/katex.zip
 
 # Watch the changes to js source code and update the target js code
 watch-js: pseudocode.js $(wildcard src/*.js)
@@ -21,18 +27,17 @@ lint: pseudocode.js $(wildcard src/*.js)
 	./node_modules/.bin/jshint $^
 
 build/pseudocode.js: pseudocode.js $(wildcard src/*.js)
-	./node_modules/.bin/browserify $< --standalone pseudocode -o $@
+	./node_modules/.bin/browserify --exclude katex $< --standalone pseudocode -o $@
 
 build/pseudocode.min.js: build/pseudocode.js
 	./node_modules/.bin/uglifyjs --mangle --beautify beautify=false < $< > $@
 
+build/pseudocode.css: static/pseudocode.css
+	cp static/pseudocode.css build/pseudocode.css
+
 build/pseudocode.min.css: build/pseudocode.css
 	./node_modules/.bin/cleancss -o $@ $<
 
-build/pseudocode.css: static/pseudocode.css static/katex.min.css
-	cp static/katex.min.css build/pseudocode.css
-	cat static/pseudocode.css >> build/pseudocode.css
-
 build/pseudocode: build/pseudocode.min.js build/pseudocode.min.css README.md
 	mkdir -p build/pseudocode
 	cp -r $^ build/pseudocode

src/Parser.js

@@ -461,7 +461,8 @@ Parser.prototype._parseAtom = function() {
         if (tokenText === null) continue;
 
         var anyWhitespace = this._lexer.get().whitespace;
-        return new AtomNode(atomType, tokenText.toLowerCase(), anyWhitespace);
+        if (atomType !== 'ordinary') tokenText = tokenText.toLowerCase();
+        return new AtomNode(atomType, tokenText, anyWhitespace);
     }
     return null;
 };

src/Renderer.js

@@ -1,6 +1,5 @@
 /*
 * */
-var katex = require('katex');
 var utils = require('./utils');
 
 /*
@@ -52,8 +51,8 @@ TextStyle.prototype._fontCommandTable = {
     // font-family
     normalfont: { 'font-family': 'KaTeX_Main'},
     rmfamily: { 'font-family': 'KaTeX_Main'},
-    sffamily: { 'font-family': 'KaTeX_SansSerif'},
-    ttfamily: { 'font-family': 'KaTeX_Typewriter'},
+    sffamily: { 'font-family': 'KaTeX_SansSerif_Replace'},
+    ttfamily: { 'font-family': 'KaTeX_Typewriter_Replace'},
     // weight
     bfseries: { 'font-weight': 'bold'},
     mdseries: { 'font-weight': 'medium'},
@@ -67,8 +66,8 @@ TextStyle.prototype._fontCommandTable = {
     // font-family
     textnormal: { 'font-family': 'KaTeX_Main'},
     textrm: { 'font-family': 'KaTeX_Main'},
-    textsf: { 'font-family': 'KaTeX_SansSerif'},
-    texttt: { 'font-family': 'KaTeX_Typewriter'},
+    textsf: { 'font-family': 'KaTeX_SansSerif_Replace'},
+    texttt: { 'font-family': 'KaTeX_Typewriter_Replace'},
     // weight
     textbf: { 'font-weight': 'bold'},
     textmd: { 'font-weight': 'medium'},
@@ -162,6 +161,10 @@ TextEnvironment.prototype.renderToHTML = function() {
             this._html.putText(text);
             break;
         case 'math':
+            if (!katex) {
+                try { katex = require('katex'); }
+                catch(e) { throw 'katex is required to render math'; }
+            }
             var mathHTML = katex.renderToString(text);
             this._html.putSpan(mathHTML);
             break;