define(['exports', 'module', './visitor'], function (exports, module, _visitor) {
  'use strict';

  // istanbul ignore next

  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

  var _Visitor = _interopRequireDefault(_visitor);

  function WhitespaceControl() {
    var options = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];

    this.options = options;
  }
  WhitespaceControl.prototype = new _Visitor['default']();

  WhitespaceControl.prototype.Program = function (program) {
    var doStandalone = !this.options.ignoreStandalone;

    var isRoot = !this.isRootSeen;
    this.isRootSeen = true;

    var body = program.body;
    for (var i = 0, l = body.length; i < l; i++) {
      var current = body[i],
          strip = this.accept(current);

      if (!strip) {
        continue;
      }

      var _isPrevWhitespace = isPrevWhitespace(body, i, isRoot),
          _isNextWhitespace = isNextWhitespace(body, i, isRoot),
          openStandalone = strip.openStandalone && _isPrevWhitespace,
          closeStandalone = strip.closeStandalone && _isNextWhitespace,
          inlineStandalone = strip.inlineStandalone && _isPrevWhitespace && _isNextWhitespace;

      if (strip.close) {
        omitRight(body, i, true);
      }
      if (strip.open) {
        omitLeft(body, i, true);
      }

      if (doStandalone && inlineStandalone) {
        omitRight(body, i);

        if (omitLeft(body, i)) {
          // If we are on a standalone node, save the indent info for partials
          if (current.type === 'PartialStatement') {
            // Pull out the whitespace from the final line
            current.indent = /([ \t]+$)/.exec(body[i - 1].original)[1];
          }
        }
      }
      if (doStandalone && openStandalone) {
        omitRight((current.program || current.inverse).body);

        // Strip out the previous content node if it's whitespace only
        omitLeft(body, i);
      }
      if (doStandalone && closeStandalone) {
        // Always strip the next node
        omitRight(body, i);

        omitLeft((current.inverse || current.program).body);
      }
    }

    return program;
  };

  WhitespaceControl.prototype.BlockStatement = WhitespaceControl.prototype.DecoratorBlock = WhitespaceControl.prototype.PartialBlockStatement = function (block) {
    this.accept(block.program);
    this.accept(block.inverse);

    // Find the inverse program that is involed with whitespace stripping.
    var program = block.program || block.inverse,
        inverse = block.program && block.inverse,
        firstInverse = inverse,
        lastInverse = inverse;

    if (inverse && inverse.chained) {
      firstInverse = inverse.body[0].program;

      // Walk the inverse chain to find the last inverse that is actually in the chain.
      while (lastInverse.chained) {
        lastInverse = lastInverse.body[lastInverse.body.length - 1].program;
      }
    }

    var strip = {
      open: block.openStrip.open,
      close: block.closeStrip.close,

      // Determine the standalone candiacy. Basically flag our content as being possibly standalone
      // so our parent can determine if we actually are standalone
      openStandalone: isNextWhitespace(program.body),
      closeStandalone: isPrevWhitespace((firstInverse || program).body)
    };

    if (block.openStrip.close) {
      omitRight(program.body, null, true);
    }

    if (inverse) {
      var inverseStrip = block.inverseStrip;

      if (inverseStrip.open) {
        omitLeft(program.body, null, true);
      }

      if (inverseStrip.close) {
        omitRight(firstInverse.body, null, true);
      }
      if (block.closeStrip.open) {
        omitLeft(lastInverse.body, null, true);
      }

      // Find standalone else statments
      if (!this.options.ignoreStandalone && isPrevWhitespace(program.body) && isNextWhitespace(firstInverse.body)) {
        omitLeft(program.body);
        omitRight(firstInverse.body);
      }
    } else if (block.closeStrip.open) {
      omitLeft(program.body, null, true);
    }

    return strip;
  };

  WhitespaceControl.prototype.Decorator = WhitespaceControl.prototype.MustacheStatement = function (mustache) {
    return mustache.strip;
  };

  WhitespaceControl.prototype.PartialStatement = WhitespaceControl.prototype.CommentStatement = function (node) {
    /* istanbul ignore next */
    var strip = node.strip || {};
    return {
      inlineStandalone: true,
      open: strip.open,
      close: strip.close
    };
  };

  function isPrevWhitespace(body, i, isRoot) {
    if (i === undefined) {
      i = body.length;
    }

    // Nodes that end with newlines are considered whitespace (but are special
    // cased for strip operations)
    var prev = body[i - 1],
        sibling = body[i - 2];
    if (!prev) {
      return isRoot;
    }

    if (prev.type === 'ContentStatement') {
      return (sibling || !isRoot ? /\r?\n\s*?$/ : /(^|\r?\n)\s*?$/).test(prev.original);
    }
  }
  function isNextWhitespace(body, i, isRoot) {
    if (i === undefined) {
      i = -1;
    }

    var next = body[i + 1],
        sibling = body[i + 2];
    if (!next) {
      return isRoot;
    }

    if (next.type === 'ContentStatement') {
      return (sibling || !isRoot ? /^\s*?\r?\n/ : /^\s*?(\r?\n|$)/).test(next.original);
    }
  }

  // Marks the node to the right of the position as omitted.
  // I.e. {{foo}}' ' will mark the ' ' node as omitted.
  //
  // If i is undefined, then the first child will be marked as such.
  //
  // If mulitple is truthy then all whitespace will be stripped out until non-whitespace
  // content is met.
  function omitRight(body, i, multiple) {
    var current = body[i == null ? 0 : i + 1];
    if (!current || current.type !== 'ContentStatement' || !multiple && current.rightStripped) {
      return;
    }

    var original = current.value;
    current.value = current.value.replace(multiple ? /^\s+/ : /^[ \t]*\r?\n?/, '');
    current.rightStripped = current.value !== original;
  }

  // Marks the node to the left of the position as omitted.
  // I.e. ' '{{foo}} will mark the ' ' node as omitted.
  //
  // If i is undefined then the last child will be marked as such.
  //
  // If mulitple is truthy then all whitespace will be stripped out until non-whitespace
  // content is met.
  function omitLeft(body, i, multiple) {
    var current = body[i == null ? body.length - 1 : i - 1];
    if (!current || current.type !== 'ContentStatement' || !multiple && current.leftStripped) {
      return;
    }

    // We omit the last node if it's whitespace only and not preceeded by a non-content node.
    var original = current.value;
    current.value = current.value.replace(multiple ? /\s+$/ : /[ \t]+$/, '');
    current.leftStripped = current.value !== original;
    return current.leftStripped;
  }

  module.exports = WhitespaceControl;
});
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"sources":["../../../../lib/handlebars/compiler/whitespace-control.js"],"names":[],"mappings":";;;;;;;;;AAEA,WAAS,iBAAiB,GAAe;QAAd,OAAO,yDAAG,EAAE;;AACrC,QAAI,CAAC,OAAO,GAAG,OAAO,CAAC;GACxB;AACD,mBAAiB,CAAC,SAAS,GAAG,yBAAa,CAAC;;AAE5C,mBAAiB,CAAC,SAAS,CAAC,OAAO,GAAG,UAAS,OAAO,EAAE;AACtD,QAAM,YAAY,GAAG,CAAC,IAAI,CAAC,OAAO,CAAC,gBAAgB,CAAC;;AAEpD,QAAI,MAAM,GAAG,CAAC,IAAI,CAAC,UAAU,CAAC;AAC9B,QAAI,CAAC,UAAU,GAAG,IAAI,CAAC;;AAEvB,QAAI,IAAI,GAAG,OAAO,CAAC,IAAI,CAAC;AACxB,SAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,IAAI,CAAC,MAAM,EAAE,CAAC,GAAG,CAAC,EAAE,CAAC,EAAE,EAAE;AAC3C,UAAI,OAAO,GAAG,IAAI,CAAC,CAAC,CAAC;UACjB,KAAK,GAAG,IAAI,CAAC,MAAM,CAAC,OAAO,CAAC,CAAC;;AAEjC,UAAI,CAAC,KAAK,EAAE;AACV,iBAAS;OACV;;AAED,UAAI,iBAAiB,GAAG,gBAAgB,CAAC,IAAI,EAAE,CAAC,EAAE,MAAM,CAAC;UACrD,iBAAiB,GAAG,gBAAgB,CAAC,IAAI,EAAE,CAAC,EAAE,MAAM,CAAC;UAErD,cAAc,GAAG,KAAK,CAAC,cAAc,IAAI,iBAAiB;UAC1D,eAAe,GAAG,KAAK,CAAC,eAAe,IAAI,iBAAiB;UAC5D,gBAAgB,GAAG,KAAK,CAAC,gBAAgB,IAAI,iBAAiB,IAAI,iBAAiB,CAAC;;AAExF,UAAI,KAAK,CAAC,KAAK,EAAE;AACf,iBAAS,CAAC,IAAI,EAAE,CAAC,EAAE,IAAI,CAAC,CAAC;OAC1B;AACD,UAAI,KAAK,CAAC,IAAI,EAAE;AACd,gBAAQ,CAAC,IAAI,EAAE,CAAC,EAAE,IAAI,CAAC,CAAC;OACzB;;AAED,UAAI,YAAY,IAAI,gBAAgB,EAAE;AACpC,iBAAS,CAAC,IAAI,EAAE,CAAC,CAAC,CAAC;;AAEnB,YAAI,QAAQ,CAAC,IAAI,EAAE,CAAC,CAAC,EAAE;;AAErB,cAAI,OAAO,CAAC,IAAI,KAAK,kBAAkB,EAAE;;AAEvC,mBAAO,CAAC,MAAM,GAAG,AAAC,WAAW,CAAE,IAAI,CAAC,IAAI,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,QAAQ,CAAC,CAAC,CAAC,CAAC,CAAC;WAC9D;SACF;OACF;AACD,UAAI,YAAY,IAAI,cAAc,EAAE;AAClC,iBAAS,CAAC,CAAC,OAAO,CAAC,OAAO,IAAI,OAAO,CAAC,OAAO,CAAA,CAAE,IAAI,CAAC,CAAC;;;AAGrD,gBAAQ,CAAC,IAAI,EAAE,CAAC,CAAC,CAAC;OACnB;AACD,UAAI,YAAY,IAAI,eAAe,EAAE;;AAEnC,iBAAS,CAAC,IAAI,EAAE,CAAC,CAAC,CAAC;;AAEnB,gBAAQ,CAAC,CAAC,OAAO,CAAC,OAAO,IAAI,OAAO,CAAC,OAAO,CAAA,CAAE,IAAI,CAAC,CAAC;OACrD;KACF;;AAED,WAAO,OAAO,CAAC;GAChB,CAAC;;AAEF,mBAAiB,CAAC,SAAS,CAAC,cAAc,GAC1C,iBAAiB,CAAC,SAAS,CAAC,cAAc,GAC1C,iBAAiB,CAAC,SAAS,CAAC,qBAAqB,GAAG,UAAS,KAAK,EAAE;AAClE,QAAI,CAAC,MAAM,CAAC,KAAK,CAAC,OAAO,CAAC,CAAC;AAC3B,QAAI,CAAC,MAAM,CAAC,KAAK,CAAC,OAAO,CAAC,CAAC;;;AAG3B,QAAI,OAAO,GAAG,KAAK,CAAC,OAAO,IAAI,KAAK,CAAC,OAAO;QACxC,OAAO,GAAG,KAAK,CAAC,OAAO,IAAI,KAAK,CAAC,OAAO;QACxC,YAAY,GAAG,OAAO;QACtB,WAAW,GAAG,OAAO,CAAC;;AAE1B,QAAI,OAAO,IAAI,OAAO,CAAC,OAAO,EAAE;AAC9B,kBAAY,GAAG,OAAO,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,OAAO,CAAC;;;AAGvC,aAAO,WAAW,CAAC,OAAO,EAAE;AAC1B,mBAAW,GAAG,WAAW,CAAC,IAAI,CAAC,WAAW,CAAC,IAAI,CAAC,MAAM,GAAG,CAAC,CAAC,CAAC,OAAO,CAAC;OACrE;KACF;;AAED,QAAI,KAAK,GAAG;AACV,UAAI,EAAE,KAAK,CAAC,SAAS,CAAC,IAAI;AAC1B,WAAK,EAAE,KAAK,CAAC,UAAU,CAAC,KAAK;;;;AAI7B,oBAAc,EAAE,gBAAgB,CAAC,OAAO,CAAC,IAAI,CAAC;AAC9C,qBAAe,EAAE,gBAAgB,CAAC,CAAC,YAAY,IAAI,OAAO,CAAA,CAAE,IAAI,CAAC;KAClE,CAAC;;AAEF,QAAI,KAAK,CAAC,SAAS,CAAC,KAAK,EAAE;AACzB,eAAS,CAAC,OAAO,CAAC,IAAI,EAAE,IAAI,EAAE,IAAI,CAAC,CAAC;KACrC;;AAED,QAAI,OAAO,EAAE;AACX,UAAI,YAAY,GAAG,KAAK,CAAC,YAAY,CAAC;;AAEtC,UAAI,YAAY,CAAC,IAAI,EAAE;AACrB,gBAAQ,CAAC,OAAO,CAAC,IAAI,EAAE,IAAI,EAAE,IAAI,CAAC,CAAC;OACpC;;AAED,UAAI,YAAY,CAAC,KAAK,EAAE;AACtB,iBAAS,CAAC,YAAY,CAAC,IAAI,EAAE,IAAI,EAAE,IAAI,CAAC,CAAC;OAC1C;AACD,UAAI,KAAK,CAAC,UAAU,CAAC,IAAI,EAAE;AACzB,gBAAQ,CAAC,WAAW,CAAC,IAAI,EAAE,IAAI,EAAE,IAAI,CAAC,CAAC;OACxC;;;AAGD,UAAI,CAAC,IAAI,CAAC,OAAO,CAAC,gBAAgB,IAC3B,gBAAgB,CAAC,OAAO,CAAC,IAAI,CAAC,IAC9B,gBAAgB,CAAC,YAAY,CAAC,IAAI,CAAC,EAAE;AAC1C,gBAAQ,CAAC,OAAO,CAAC,IAAI,CAAC,CAAC;AACvB,iBAAS,CAAC,YAAY,CAAC,IAAI,CAAC,CAAC;OAC9B;KACF,MAAM,IAAI,KAAK,CAAC,UAAU,CAAC,IAAI,EAAE;AAChC,cAAQ,CAAC,OAAO,CAAC,IAAI,EAAE,IAAI,EAAE,IAAI,CAAC,CAAC;KACpC;;AAED,WAAO,KAAK,CAAC;GACd,CAAC;;AAEF,mBAAiB,CAAC,SAAS,CAAC,SAAS,GACrC,iBAAiB,CAAC,SAAS,CAAC,iBAAiB,GAAG,UAAS,QAAQ,EAAE;AACjE,WAAO,QAAQ,CAAC,KAAK,CAAC;GACvB,CAAC;;AAEF,mBAAiB,CAAC,SAAS,CAAC,gBAAgB,GACxC,iBAAiB,CAAC,SAAS,CAAC,gBAAgB,GAAG,UAAS,IAAI,EAAE;;AAEhE,QAAI,KAAK,GAAG,IAAI,CAAC,KAAK,IAAI,EAAE,CAAC;AAC7B,WAAO;AACL,sBAAgB,EAAE,IAAI;AACtB,UAAI,EAAE,KAAK,CAAC,IAAI;AAChB,WAAK,EAAE,KAAK,CAAC,KAAK;KACnB,CAAC;GACH,CAAC;;AAGF,WAAS,gBAAgB,CAAC,IAAI,EAAE,CAAC,EAAE,MAAM,EAAE;AACzC,QAAI,CAAC,KAAK,SAAS,EAAE;AACnB,OAAC,GAAG,IAAI,CAAC,MAAM,CAAC;KACjB;;;;AAID,QAAI,IAAI,GAAG,IAAI,CAAC,CAAC,GAAG,CAAC,CAAC;QAClB,OAAO,GAAG,IAAI,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC;AAC1B,QAAI,CAAC,IAAI,EAAE;AACT,aAAO,MAAM,CAAC;KACf;;AAED,QAAI,IAAI,CAAC,IAAI,KAAK,kBAAkB,EAAE;AACpC,aAAO,CAAC,OAAO,IAAI,CAAC,MAAM,GAAI,YAAY,GAAK,gBAAgB,CAAC,CAAE,IAAI,CAAC,IAAI,CAAC,QAAQ,CAAC,CAAC;KACvF;GACF;AACD,WAAS,gBAAgB,CAAC,IAAI,EAAE,CAAC,EAAE,MAAM,EAAE;AACzC,QAAI,CAAC,KAAK,SAAS,EAAE;AACnB,OAAC,GAAG,CAAC,CAAC,CAAC;KACR;;AAED,QAAI,IAAI,GAAG,IAAI,CAAC,CAAC,GAAG,CAAC,CAAC;QAClB,OAAO,GAAG,IAAI,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC;AAC1B,QAAI,CAAC,IAAI,EAAE;AACT,aAAO,MAAM,CAAC;KACf;;AAED,QAAI,IAAI,CAAC,IAAI,KAAK,kBAAkB,EAAE;AACpC,aAAO,CAAC,OAAO,IAAI,CAAC,MAAM,GAAI,YAAY,GAAK,gBAAgB,CAAC,CAAE,IAAI,CAAC,IAAI,CAAC,QAAQ,CAAC,CAAC;KACvF;GACF;;;;;;;;;AASD,WAAS,SAAS,CAAC,IAAI,EAAE,CAAC,EAAE,QAAQ,EAAE;AACpC,QAAI,OAAO,GAAG,IAAI,CAAC,CAAC,IAAI,IAAI,GAAG,CAAC,GAAG,CAAC,GAAG,CAAC,CAAC,CAAC;AAC1C,QAAI,CAAC,OAAO,IAAI,OAAO,CAAC,IAAI,KAAK,kBAAkB,IAAK,CAAC,QAAQ,IAAI,OAAO,CAAC,aAAa,AAAC,EAAE;AAC3F,aAAO;KACR;;AAED,QAAI,QAAQ,GAAG,OAAO,CAAC,KAAK,CAAC;AAC7B,WAAO,CAAC,KAAK,GAAG,OAAO,CAAC,KAAK,CAAC,OAAO,CAAC,QAAQ,GAAI,MAAM,GAAK,eAAe,AAAC,EAAE,EAAE,CAAC,CAAC;AACnF,WAAO,CAAC,aAAa,GAAG,OAAO,CAAC,KAAK,KAAK,QAAQ,CAAC;GACpD;;;;;;;;;AASD,WAAS,QAAQ,CAAC,IAAI,EAAE,CAAC,EAAE,QAAQ,EAAE;AACnC,QAAI,OAAO,GAAG,IAAI,CAAC,CAAC,IAAI,IAAI,GAAG,IAAI,CAAC,MAAM,GAAG,CAAC,GAAG,CAAC,GAAG,CAAC,CAAC,CAAC;AACxD,QAAI,CAAC,OAAO,IAAI,OAAO,CAAC,IAAI,KAAK,kBAAkB,IAAK,CAAC,QAAQ,IAAI,OAAO,CAAC,YAAY,AAAC,EAAE;AAC1F,aAAO;KACR;;;AAGD,QAAI,QAAQ,GAAG,OAAO,CAAC,KAAK,CAAC;AAC7B,WAAO,CAAC,KAAK,GAAG,OAAO,CAAC,KAAK,CAAC,OAAO,CAAC,QAAQ,GAAI,MAAM,GAAK,SAAS,AAAC,EAAE,EAAE,CAAC,CAAC;AAC7E,WAAO,CAAC,YAAY,GAAG,OAAO,CAAC,KAAK,KAAK,QAAQ,CAAC;AAClD,WAAO,OAAO,CAAC,YAAY,CAAC;GAC7B;;mBAEc,iBAAiB","file":"whitespace-control.js","sourcesContent":["import Visitor from './visitor';\n\nfunction WhitespaceControl(options = {}) {\n  this.options = options;\n}\nWhitespaceControl.prototype = new Visitor();\n\nWhitespaceControl.prototype.Program = function(program) {\n  const doStandalone = !this.options.ignoreStandalone;\n\n  let isRoot = !this.isRootSeen;\n  this.isRootSeen = true;\n\n  let body = program.body;\n  for (let i = 0, l = body.length; i < l; i++) {\n    let current = body[i],\n        strip = this.accept(current);\n\n    if (!strip) {\n      continue;\n    }\n\n    let _isPrevWhitespace = isPrevWhitespace(body, i, isRoot),\n        _isNextWhitespace = isNextWhitespace(body, i, isRoot),\n\n        openStandalone = strip.openStandalone && _isPrevWhitespace,\n        closeStandalone = strip.closeStandalone && _isNextWhitespace,\n        inlineStandalone = strip.inlineStandalone && _isPrevWhitespace && _isNextWhitespace;\n\n    if (strip.close) {\n      omitRight(body, i, true);\n    }\n    if (strip.open) {\n      omitLeft(body, i, true);\n    }\n\n    if (doStandalone && inlineStandalone) {\n      omitRight(body, i);\n\n      if (omitLeft(body, i)) {\n        // If we are on a standalone node, save the indent info for partials\n        if (current.type === 'PartialStatement') {\n          // Pull out the whitespace from the final line\n          current.indent = (/([ \\t]+$)/).exec(body[i - 1].original)[1];\n        }\n      }\n    }\n    if (doStandalone && openStandalone) {\n      omitRight((current.program || current.inverse).body);\n\n      // Strip out the previous content node if it's whitespace only\n      omitLeft(body, i);\n    }\n    if (doStandalone && closeStandalone) {\n      // Always strip the next node\n      omitRight(body, i);\n\n      omitLeft((current.inverse || current.program).body);\n    }\n  }\n\n  return program;\n};\n\nWhitespaceControl.prototype.BlockStatement =\nWhitespaceControl.prototype.DecoratorBlock =\nWhitespaceControl.prototype.PartialBlockStatement = function(block) {\n  this.accept(block.program);\n  this.accept(block.inverse);\n\n  // Find the inverse program that is involed with whitespace stripping.\n  let program = block.program || block.inverse,\n      inverse = block.program && block.inverse,\n      firstInverse = inverse,\n      lastInverse = inverse;\n\n  if (inverse && inverse.chained) {\n    firstInverse = inverse.body[0].program;\n\n    // Walk the inverse chain to find the last inverse that is actually in the chain.\n    while (lastInverse.chained) {\n      lastInverse = lastInverse.body[lastInverse.body.length - 1].program;\n    }\n  }\n\n  let strip = {\n    open: block.openStrip.open,\n    close: block.closeStrip.close,\n\n    // Determine the standalone candiacy. Basically flag our content as being possibly standalone\n    // so our parent can determine if we actually are standalone\n    openStandalone: isNextWhitespace(program.body),\n    closeStandalone: isPrevWhitespace((firstInverse || program).body)\n  };\n\n  if (block.openStrip.close) {\n    omitRight(program.body, null, true);\n  }\n\n  if (inverse) {\n    let inverseStrip = block.inverseStrip;\n\n    if (inverseStrip.open) {\n      omitLeft(program.body, null, true);\n    }\n\n    if (inverseStrip.close) {\n      omitRight(firstInverse.body, null, true);\n    }\n    if (block.closeStrip.open) {\n      omitLeft(lastInverse.body, null, true);\n    }\n\n    // Find standalone else statments\n    if (!this.options.ignoreStandalone\n        && isPrevWhitespace(program.body)\n        && isNextWhitespace(firstInverse.body)) {\n      omitLeft(program.body);\n      omitRight(firstInverse.body);\n    }\n  } else if (block.closeStrip.open) {\n    omitLeft(program.body, null, true);\n  }\n\n  return strip;\n};\n\nWhitespaceControl.prototype.Decorator =\nWhitespaceControl.prototype.MustacheStatement = function(mustache) {\n  return mustache.strip;\n};\n\nWhitespaceControl.prototype.PartialStatement =\n    WhitespaceControl.prototype.CommentStatement = function(node) {\n  /* istanbul ignore next */\n  let strip = node.strip || {};\n  return {\n    inlineStandalone: true,\n    open: strip.open,\n    close: strip.close\n  };\n};\n\n\nfunction isPrevWhitespace(body, i, isRoot) {\n  if (i === undefined) {\n    i = body.length;\n  }\n\n  // Nodes that end with newlines are considered whitespace (but are special\n  // cased for strip operations)\n  let prev = body[i - 1],\n      sibling = body[i - 2];\n  if (!prev) {\n    return isRoot;\n  }\n\n  if (prev.type === 'ContentStatement') {\n    return (sibling || !isRoot ? (/\\r?\\n\\s*?$/) : (/(^|\\r?\\n)\\s*?$/)).test(prev.original);\n  }\n}\nfunction isNextWhitespace(body, i, isRoot) {\n  if (i === undefined) {\n    i = -1;\n  }\n\n  let next = body[i + 1],\n      sibling = body[i + 2];\n  if (!next) {\n    return isRoot;\n  }\n\n  if (next.type === 'ContentStatement') {\n    return (sibling || !isRoot ? (/^\\s*?\\r?\\n/) : (/^\\s*?(\\r?\\n|$)/)).test(next.original);\n  }\n}\n\n// Marks the node to the right of the position as omitted.\n// I.e. {{foo}}' ' will mark the ' ' node as omitted.\n//\n// If i is undefined, then the first child will be marked as such.\n//\n// If mulitple is truthy then all whitespace will be stripped out until non-whitespace\n// content is met.\nfunction omitRight(body, i, multiple) {\n  let current = body[i == null ? 0 : i + 1];\n  if (!current || current.type !== 'ContentStatement' || (!multiple && current.rightStripped)) {\n    return;\n  }\n\n  let original = current.value;\n  current.value = current.value.replace(multiple ? (/^\\s+/) : (/^[ \\t]*\\r?\\n?/), '');\n  current.rightStripped = current.value !== original;\n}\n\n// Marks the node to the left of the position as omitted.\n// I.e. ' '{{foo}} will mark the ' ' node as omitted.\n//\n// If i is undefined then the last child will be marked as such.\n//\n// If mulitple is truthy then all whitespace will be stripped out until non-whitespace\n// content is met.\nfunction omitLeft(body, i, multiple) {\n  let current = body[i == null ? body.length - 1 : i - 1];\n  if (!current || current.type !== 'ContentStatement' || (!multiple && current.leftStripped)) {\n    return;\n  }\n\n  // We omit the last node if it's whitespace only and not preceeded by a non-content node.\n  let original = current.value;\n  current.value = current.value.replace(multiple ? (/\\s+$/) : (/[ \\t]+$/), '');\n  current.leftStripped = current.value !== original;\n  return current.leftStripped;\n}\n\nexport default WhitespaceControl;\n"]}