working

viewer/node_modules/markdown-it/lib/rules_inline/backticks.js

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+// Parse backticks
+
+'use strict';
+
+
+module.exports = function backtick(state, silent) {
+  var start, max, marker, token, matchStart, matchEnd, openerLength, closerLength,
+      pos = state.pos,
+      ch = state.src.charCodeAt(pos);
+
+  if (ch !== 0x60/* ` */) { return false; }
+
+  start = pos;
+  pos++;
+  max = state.posMax;
+
+  // scan marker length
+  while (pos < max && state.src.charCodeAt(pos) === 0x60/* ` */) { pos++; }
+
+  marker = state.src.slice(start, pos);
+  openerLength = marker.length;
+
+  if (state.backticksScanned && (state.backticks[openerLength] || 0) <= start) {
+    if (!silent) state.pending += marker;
+    state.pos += openerLength;
+    return true;
+  }
+
+  matchEnd = pos;
+
+  // Nothing found in the cache, scan until the end of the line (or until marker is found)
+  while ((matchStart = state.src.indexOf('`', matchEnd)) !== -1) {
+    matchEnd = matchStart + 1;
+
+    // scan marker length
+    while (matchEnd < max && state.src.charCodeAt(matchEnd) === 0x60/* ` */) { matchEnd++; }
+
+    closerLength = matchEnd - matchStart;
+
+    if (closerLength === openerLength) {
+      // Found matching closer length.
+      if (!silent) {
+        token     = state.push('code_inline', 'code', 0);
+        token.markup  = marker;
+        token.content = state.src.slice(pos, matchStart)
+          .replace(/\n/g, ' ')
+          .replace(/^ (.+) $/, '$1');
+      }
+      state.pos = matchEnd;
+      return true;
+    }
+
+    // Some different length found, put it in cache as upper limit of where closer can be found
+    state.backticks[closerLength] = matchStart;
+  }
+
+  // Scanned through the end, didn't find anything
+  state.backticksScanned = true;
+
+  if (!silent) state.pending += marker;
+  state.pos += openerLength;
+  return true;
+};