1 files changed, 81 insertions, 0 deletions
diff --git a/node_modules/vuepress/lib/markdown/component.js b/node_modules/vuepress/lib/markdown/component.js
new file mode 100644
index 00000000..1aab66e8
--- /dev/null
+++ b/node_modules/vuepress/lib/markdown/component.js
@@ -0,0 +1,81 @@
+// Replacing the default htmlBlock rule to allow using custom components at
+// root level
+
+const blockNames = require('markdown-it/lib/common/html_blocks')
+const HTML_OPEN_CLOSE_TAG_RE = require('markdown-it/lib/common/html_re').HTML_OPEN_CLOSE_TAG_RE
+
+// An array of opening and corresponding closing sequences for html tags,
+// last argument defines whether it can terminate a paragraph or not
+const HTML_SEQUENCES = [
+  [/^<(script|pre|style)(?=(\s|>|$))/i, /<\/(script|pre|style)>/i, true],
+  [/^<!--/, /-->/, true],
+  [/^<\?/, /\?>/, true],
+  [/^<![A-Z]/, />/, true],
+  [/^<!\[CDATA\[/, /\]\]>/, true],
+  // PascalCase Components
+  [/^<[A-Z]/, />/, true],
+  // custom elements with hyphens
+  [/^<\w+\-/, />/, true],
+  [new RegExp('^</?(' + blockNames.join('|') + ')(?=(\\s|/?>|$))', 'i'), /^$/, true],
+  [new RegExp(HTML_OPEN_CLOSE_TAG_RE.source + '\\s*$'), /^$/, false]
+]
+
+module.exports = md => {
+  md.block.ruler.at('html_block', htmlBlock)
+}
+
+function htmlBlock (state, startLine, endLine, silent) {
+  let i, nextLine, lineText
+  let pos = state.bMarks[startLine] + state.tShift[startLine]
+  let 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 }
+
+  if (!state.md.options.html) { return false }
+
+  if (state.src.charCodeAt(pos) !== 0x3C/* < */) { return false }
+
+  lineText = state.src.slice(pos, max)
+
+  for (i = 0; i < HTML_SEQUENCES.length; i++) {
+    if (HTML_SEQUENCES[i][0].test(lineText)) { break }
+  }
+
+  if (i === HTML_SEQUENCES.length) {
+    console.log(lineText)
+    return false
+  }
+
+  if (silent) {
+    // true if this sequence can be a terminator, false otherwise
+    return HTML_SEQUENCES[i][2]
+  }
+
+  nextLine = startLine + 1
+
+  // If we are here - we detected HTML block.
+  // Let's roll down till block end.
+  if (!HTML_SEQUENCES[i][1].test(lineText)) {
+    for (; nextLine < endLine; nextLine++) {
+      if (state.sCount[nextLine] < state.blkIndent) { break }
+
+      pos = state.bMarks[nextLine] + state.tShift[nextLine]
+      max = state.eMarks[nextLine]
+      lineText = state.src.slice(pos, max)
+
+      if (HTML_SEQUENCES[i][1].test(lineText)) {
+        if (lineText.length !== 0) { nextLine++ }
+        break
+      }
+    }
+  }
+
+  state.line = nextLine
+
+  const token = state.push('html_block', '', 0)
+  token.map = [startLine, nextLine]
+  token.content = state.getLines(startLine, nextLine, state.blkIndent, true)
+
+  return true
+}