up to and including section 21

lib/pre-loader.js

@@ -1,40 +1,19 @@
-/**
- * <pre> should preserve newlines. Damnit, JSX
- */
+var blockLoader = require("block-loader");
+var options = {
+  start: "<pre>",
+  end: "</pre>",
 
-var op = "<pre>";
-var ed = "</pre>";
-
-function hasTokens(input) {
-  return input.indexOf(op) !== -1 && input.indexOf(ed) !== -1;
-}
-
-function fixPreBlocks(source) {
-  // we can't do this with regexp, unfortunately.
-  var from = 0, curr, term;
-  var newsource = "", pre;
-  for(curr = source.indexOf(op, from); curr !== -1; from = term + ed.length, curr = source.indexOf(op, from)) {
-    newsource += source.substring(from, curr);
-    term = source.indexOf(ed, from);
-    if(term === -1) {
-      // that's a problem...
-      throw new Error("improperly closed LaTeX encountered!");
-    }
-    pre = source.substring(curr+op.length, term);
-    pre = pre.replace(/&/g,'&amp;')
-             .replace(/</g,'&lt;')
-             .replace(/>/g,'&gt;')
-             .replace(/([{}])/g,"{'$1'}")
-             .replace(/\n/g,"{'\\n'}");
-    newsource += "<pre>" + pre + "</pre>";
+  /**
+   * There's a fair few things we'll want to safify for
+   * <pre> elements used in JSX...
+   */
+  process: function fixPreBlocks(pre) {
+    return pre
+    .replace(/&/g,'&amp;')
+    .replace(/</g,'&lt;')
+    .replace(/>/g,'&gt;')
+    .replace(/([{}])/g,"{'$1'}")
+    .replace(/\n/g,"{'\\n'}");
   }
-  return newsource + source.substring(from);
-}
-
-
-module.exports = function(source) {
-  this.cacheable();
-  if (!hasTokens(source)) return source;
-  return fixPreBlocks(source);
 };
-
+module.exports = blockLoader(options);