markdown-it-ins/dist/markdown-it-ins.js

/*! markdown-it-ins 1.0.0 https://github.com//markdown-it/markdown-it-ins @license MIT */(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.markdownitIns = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
'use strict';


// parse sequence of markers,
// "start" should point at a valid marker
function scanDelims(state, start) {
  var pos = start, lastChar, nextChar, count,
      isLastWhiteSpace, isLastPunctChar,
      isNextWhiteSpace, isNextPunctChar,
      can_open = true,
      can_close = true,
      max = state.posMax,
      marker = state.src.charCodeAt(start),
      isWhiteSpace = state.md.utils.isWhiteSpace,
      isPunctChar = state.md.utils.isPunctChar,
      isMdAsciiPunct = state.md.utils.isMdAsciiPunct;

  // treat beginning of the line as a whitespace
  lastChar = start > 0 ? state.src.charCodeAt(start - 1) : 0x20;

  while (pos < max && state.src.charCodeAt(pos) === marker) { pos++; }

  if (pos >= max) {
    can_open = false;
  }

  count = pos - start;

  // treat end of the line as a whitespace
  nextChar = pos < max ? state.src.charCodeAt(pos) : 0x20;

  isLastPunctChar = isMdAsciiPunct(lastChar) || isPunctChar(String.fromCharCode(lastChar));
  isNextPunctChar = isMdAsciiPunct(nextChar) || isPunctChar(String.fromCharCode(nextChar));

  isLastWhiteSpace = isWhiteSpace(lastChar);
  isNextWhiteSpace = isWhiteSpace(nextChar);

  if (isNextWhiteSpace) {
    can_open = false;
  } else if (isNextPunctChar) {
    if (!(isLastWhiteSpace || isLastPunctChar)) {
      can_open = false;
    }
  }

  if (isLastWhiteSpace) {
    can_close = false;
  } else if (isLastPunctChar) {
    if (!(isNextWhiteSpace || isNextPunctChar)) {
      can_close = false;
    }
  }

  return {
    can_open: can_open,
    can_close: can_close,
    delims: count
  };
}


function insert(state, silent) {
  var startCount,
      count,
      tagCount,
      found,
      stack,
      res,
      token,
      max = state.posMax,
      start = state.pos,
      marker = state.src.charCodeAt(start);

  if (marker !== 0x2B/* + */) { return false; }
  if (silent) { return false; } // don't run any pairs in validation mode

  res = scanDelims(state, start);
  startCount = res.delims;

  if (!res.can_open) {
    state.pos += startCount;
    // Earlier we checked !silent, but this implementation does not need it
    state.pending += state.src.slice(start, state.pos);
    return true;
  }

  stack = Math.floor(startCount / 2);
  if (stack <= 0) { return false; }
  state.pos = start + startCount;

  while (state.pos < max) {
    if (state.src.charCodeAt(state.pos) === marker) {
      res = scanDelims(state, state.pos);
      count = res.delims;
      tagCount = Math.floor(count / 2);
      if (res.can_close) {
        if (tagCount >= stack) {
          state.pos += count - 2;
          found = true;
          break;
        }
        stack -= tagCount;
        state.pos += count;
        continue;
      }

      if (res.can_open) { stack += tagCount; }
      state.pos += count;
      continue;
    }

    state.md.inline.skipToken(state);
  }

  if (!found) {
    // parser failed to find ending tag, so it's not valid emphasis
    state.pos = start;
    return false;
  }

  // found!
  state.posMax = state.pos;
  state.pos = start + 2;

  // Earlier we checked !silent, but this implementation does not need it
  token        = state.push('ins_open', 'ins', 1);
  token.markup = String.fromCharCode(marker) + String.fromCharCode(marker);

  state.md.inline.tokenize(state);

  token        = state.push('ins_close', 'ins', -1);
  token.markup = String.fromCharCode(marker) + String.fromCharCode(marker);

  state.pos = state.posMax + 2;
  state.posMax = max;
  return true;
}


module.exports = function ins_plugin(md) {
  md.inline.ruler.before('emphasis', 'ins', insert);
};

},{}]},{},[1])(1)
});