1 files changed, 134 insertions, 0 deletions
diff --git a/packages/markdown-it-14.1.0/lib/parser_block.mjs b/packages/markdown-it-14.1.0/lib/parser_block.mjs
new file mode 100644
index 0000000..486d68f
--- /dev/null
+++ b/packages/markdown-it-14.1.0/lib/parser_block.mjs
@@ -0,0 +1,134 @@
+/** internal
+ * class ParserBlock
+ *
+ * Block-level tokenizer.
+ **/
+
+import Ruler from './ruler.mjs'
+import StateBlock from './rules_block/state_block.mjs'
+
+import r_table from './rules_block/table.mjs'
+import r_code from './rules_block/code.mjs'
+import r_fence from './rules_block/fence.mjs'
+import r_blockquote from './rules_block/blockquote.mjs'
+import r_hr from './rules_block/hr.mjs'
+import r_list from './rules_block/list.mjs'
+import r_reference from './rules_block/reference.mjs'
+import r_html_block from './rules_block/html_block.mjs'
+import r_heading from './rules_block/heading.mjs'
+import r_lheading from './rules_block/lheading.mjs'
+import r_paragraph from './rules_block/paragraph.mjs'
+
+const _rules = [
+  // First 2 params - rule name & source. Secondary array - list of rules,
+  // which can be terminated by this one.
+  ['table',      r_table,      ['paragraph', 'reference']],
+  ['code',       r_code],
+  ['fence',      r_fence,      ['paragraph', 'reference', 'blockquote', 'list']],
+  ['blockquote', r_blockquote, ['paragraph', 'reference', 'blockquote', 'list']],
+  ['hr',         r_hr,         ['paragraph', 'reference', 'blockquote', 'list']],
+  ['list',       r_list,       ['paragraph', 'reference', 'blockquote']],
+  ['reference',  r_reference],
+  ['html_block', r_html_block, ['paragraph', 'reference', 'blockquote']],
+  ['heading',    r_heading,    ['paragraph', 'reference', 'blockquote']],
+  ['lheading',   r_lheading],
+  ['paragraph',  r_paragraph]
+]
+
+/**
+ * new ParserBlock()
+ **/
+function ParserBlock () {
+  /**
+   * ParserBlock#ruler -> Ruler
+   *
+   * [[Ruler]] instance. Keep configuration of block rules.
+   **/
+  this.ruler = new Ruler()
+
+  for (let i = 0; i < _rules.length; i++) {
+    this.ruler.push(_rules[i][0], _rules[i][1], { alt: (_rules[i][2] || []).slice() })
+  }
+}
+
+// Generate tokens for input range
+//
+ParserBlock.prototype.tokenize = function (state, startLine, endLine) {
+  const rules = this.ruler.getRules('')
+  const len = rules.length
+  const maxNesting = state.md.options.maxNesting
+  let line = startLine
+  let hasEmptyLines = false
+
+  while (line < endLine) {
+    state.line = line = state.skipEmptyLines(line)
+    if (line >= endLine) { break }
+
+    // Termination condition for nested calls.
+    // Nested calls currently used for blockquotes & lists
+    if (state.sCount[line] < state.blkIndent) { break }
+
+    // If nesting level exceeded - skip tail to the end. That's not ordinary
+    // situation and we should not care about content.
+    if (state.level >= maxNesting) {
+      state.line = endLine
+      break
+    }
+
+    // Try all possible rules.
+    // On success, rule should:
+    //
+    // - update `state.line`
+    // - update `state.tokens`
+    // - return true
+    const prevLine = state.line
+    let ok = false
+
+    for (let i = 0; i < len; i++) {
+      ok = rules[i](state, line, endLine, false)
+      if (ok) {
+        if (prevLine >= state.line) {
+          throw new Error("block rule didn't increment state.line")
+        }
+        break
+      }
+    }
+
+    // this can only happen if user disables paragraph rule
+    if (!ok) throw new Error('none of the block rules matched')
+
+    // set state.tight if we had an empty line before current tag
+    // i.e. latest empty line should not count
+    state.tight = !hasEmptyLines
+
+    // paragraph might "eat" one newline after it in nested lists
+    if (state.isEmpty(state.line - 1)) {
+      hasEmptyLines = true
+    }
+
+    line = state.line
+
+    if (line < endLine && state.isEmpty(line)) {
+      hasEmptyLines = true
+      line++
+      state.line = line
+    }
+  }
+}
+
+/**
+ * ParserBlock.parse(str, md, env, outTokens)
+ *
+ * Process input string and push block tokens into `outTokens`
+ **/
+ParserBlock.prototype.parse = function (src, md, env, outTokens) {
+  if (!src) { return }
+
+  const state = new this.State(src, md, env, outTokens)
+
+  this.tokenize(state, state.line, state.lineMax)
+}
+
+ParserBlock.prototype.State = StateBlock
+
+export default ParserBlock