/*! markdown-it-deflist 3.0.0 https://github.com/markdown-it/markdown-it-deflist.git @license MIT */
(function(global, factory) {
  typeof exports === "object" && typeof module !== "undefined" ? module.exports = factory() : typeof define === "function" && define.amd ? define(factory) : (global = typeof globalThis !== "undefined" ? globalThis : global || self, 
  global.markdownitDeflist = factory());
})(this, (function() {
  "use strict";
  // Process definition lists
  
    function deflist_plugin(md) {
    const isSpace = md.utils.isSpace;
    // Search `[:~][\n ]`, returns next pos after marker on success
    // or -1 on fail.
        function skipMarker(state, line) {
      let start = state.bMarks[line] + state.tShift[line];
      const max = state.eMarks[line];
      if (start >= max) {
        return -1;
      }
      // Check bullet
            const marker = state.src.charCodeAt(start++);
      if (marker !== 126 /* ~ */ && marker !== 58 /* : */) {
        return -1;
      }
      const pos = state.skipSpaces(start);
      // require space after ":"
            if (start === pos) {
        return -1;
      }
      // no empty definitions, e.g. "  : "
            if (pos >= max) {
        return -1;
      }
      return start;
    }
    function markTightParagraphs(state, idx) {
      const level = state.level + 2;
      for (let i = idx + 2, l = state.tokens.length - 2; i < l; i++) {
        if (state.tokens[i].level === level && state.tokens[i].type === "paragraph_open") {
          state.tokens[i + 2].hidden = true;
          state.tokens[i].hidden = true;
          i += 2;
        }
      }
    }
    function deflist(state, startLine, endLine, silent) {
      if (silent) {
        // quirk: validation mode validates a dd block only, not a whole deflist
        if (state.ddIndent < 0) {
          return false;
        }
        return skipMarker(state, startLine) >= 0;
      }
      let nextLine = startLine + 1;
      if (nextLine >= endLine) {
        return false;
      }
      if (state.isEmpty(nextLine)) {
        nextLine++;
        if (nextLine >= endLine) {
          return false;
        }
      }
      if (state.sCount[nextLine] < state.blkIndent) {
        return false;
      }
      let contentStart = skipMarker(state, nextLine);
      if (contentStart < 0) {
        return false;
      }
      // Start list
            const listTokIdx = state.tokens.length;
      let tight = true;
      const token_dl_o = state.push("dl_open", "dl", 1);
      const listLines = [ startLine, 0 ];
      token_dl_o.map = listLines;
      
      // Iterate list items
      
            let dtLine = startLine;
      let ddLine = nextLine;
      // One definition list can contain multiple DTs,
      // and one DT can be followed by multiple DDs.
      
      // Thus, there is two loops here, and label is
      // needed to break out of the second one
      
      /* eslint no-labels:0,block-scoped-var:0 */      OUTER: for (;;) {
        let prevEmptyEnd = false;
        const token_dt_o = state.push("dt_open", "dt", 1);
        token_dt_o.map = [ dtLine, dtLine ];
        const token_i = state.push("inline", "", 0);
        token_i.map = [ dtLine, dtLine ];
        token_i.content = state.getLines(dtLine, dtLine + 1, state.blkIndent, false).trim();
        token_i.children = [];
        state.push("dt_close", "dt", -1);
        for (;;) {
          const token_dd_o = state.push("dd_open", "dd", 1);
          const itemLines = [ nextLine, 0 ];
          token_dd_o.map = itemLines;
          let pos = contentStart;
          const max = state.eMarks[ddLine];
          let offset = state.sCount[ddLine] + contentStart - (state.bMarks[ddLine] + state.tShift[ddLine]);
          while (pos < max) {
            const ch = state.src.charCodeAt(pos);
            if (isSpace(ch)) {
              if (ch === 9) {
                offset += 4 - offset % 4;
              } else {
                offset++;
              }
            } else {
              break;
            }
            pos++;
          }
          contentStart = pos;
          const oldTight = state.tight;
          const oldDDIndent = state.ddIndent;
          const oldIndent = state.blkIndent;
          const oldTShift = state.tShift[ddLine];
          const oldSCount = state.sCount[ddLine];
          const oldParentType = state.parentType;
          state.blkIndent = state.ddIndent = state.sCount[ddLine] + 2;
          state.tShift[ddLine] = contentStart - state.bMarks[ddLine];
          state.sCount[ddLine] = offset;
          state.tight = true;
          state.parentType = "deflist";
          state.md.block.tokenize(state, ddLine, endLine, true);
          // If any of list item is tight, mark list as tight
                    if (!state.tight || prevEmptyEnd) {
            tight = false;
          }
          // Item become loose if finish with empty line,
          // but we should filter last element, because it means list finish
                    prevEmptyEnd = state.line - ddLine > 1 && state.isEmpty(state.line - 1);
          state.tShift[ddLine] = oldTShift;
          state.sCount[ddLine] = oldSCount;
          state.tight = oldTight;
          state.parentType = oldParentType;
          state.blkIndent = oldIndent;
          state.ddIndent = oldDDIndent;
          state.push("dd_close", "dd", -1);
          itemLines[1] = nextLine = state.line;
          if (nextLine >= endLine) {
            break OUTER;
          }
          if (state.sCount[nextLine] < state.blkIndent) {
            break OUTER;
          }
          contentStart = skipMarker(state, nextLine);
          if (contentStart < 0) {
            break;
          }
          ddLine = nextLine;
          // go to the next loop iteration:
          // insert DD tag and repeat checking
                }
        if (nextLine >= endLine) {
          break;
        }
        dtLine = nextLine;
        if (state.isEmpty(dtLine)) {
          break;
        }
        if (state.sCount[dtLine] < state.blkIndent) {
          break;
        }
        ddLine = dtLine + 1;
        if (ddLine >= endLine) {
          break;
        }
        if (state.isEmpty(ddLine)) {
          ddLine++;
        }
        if (ddLine >= endLine) {
          break;
        }
        if (state.sCount[ddLine] < state.blkIndent) {
          break;
        }
        contentStart = skipMarker(state, ddLine);
        if (contentStart < 0) {
          break;
        }
        // go to the next loop iteration:
        // insert DT and DD tags and repeat checking
            }
      // Finilize list
            state.push("dl_close", "dl", -1);
      listLines[1] = nextLine;
      state.line = nextLine;
      // mark paragraphs tight if needed
            if (tight) {
        markTightParagraphs(state, listTokIdx);
      }
      return true;
    }
    md.block.ruler.before("paragraph", "deflist", deflist, {
      alt: [ "paragraph", "reference", "blockquote" ]
    });
  }
  return deflist_plugin;
}));