update

node_modules/markdown-it/lib/rules_block/heading.js

@@ -0,0 +1,55 @@
+// heading (#, ##, ...)
+
+'use strict';
+
+var isSpace = require('../common/utils').isSpace;
+
+
+module.exports = function heading(state, startLine, endLine, silent) {
+  var ch, level, tmp, token,
+      pos = state.bMarks[startLine] + state.tShift[startLine],
+      max = state.eMarks[startLine];
+
+  // if it's indented more than 3 spaces, it should be a code block
+  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }
+
+  ch  = state.src.charCodeAt(pos);
+
+  if (ch !== 0x23/* # */ || pos >= max) { return false; }
+
+  // count heading level
+  level = 1;
+  ch = state.src.charCodeAt(++pos);
+  while (ch === 0x23/* # */ && pos < max && level <= 6) {
+    level++;
+    ch = state.src.charCodeAt(++pos);
+  }
+
+  if (level > 6 || (pos < max && !isSpace(ch))) { return false; }
+
+  if (silent) { return true; }
+
+  // Let's cut tails like '    ###  ' from the end of string
+
+  max = state.skipSpacesBack(max, pos);
+  tmp = state.skipCharsBack(max, 0x23, pos); // #
+  if (tmp > pos && isSpace(state.src.charCodeAt(tmp - 1))) {
+    max = tmp;
+  }
+
+  state.line = startLine + 1;
+
+  token        = state.push('heading_open', 'h' + String(level), 1);
+  token.markup = '########'.slice(0, level);
+  token.map    = [ startLine, state.line ];
+
+  token          = state.push('inline', '', 0);
+  token.content  = state.src.slice(pos, max).trim();
+  token.map      = [ startLine, state.line ];
+  token.children = [];
+
+  token        = state.push('heading_close', 'h' + String(level), -1);
+  token.markup = '########'.slice(0, level);
+
+  return true;
+};