closingbracket/docs/js/handlebars4code.js

Find in a string a closing bracket for an opening bracket. The search function will start from a specific start index in the string, identifies the start index of the next corresponding opening bracket and finds the corresponding closing bracket provided

(function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){

},{}],2:[function(require,module,exports){
'use strict';

exports.__esModule = true;
// istanbul ignore next

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

var _handlebarsRuntime = require('./handlebars.runtime');

var _handlebarsRuntime2 = _interopRequireDefault(_handlebarsRuntime);

// Compiler imports

var _handlebarsCompilerAst = require('./handlebars/compiler/ast');

var _handlebarsCompilerAst2 = _interopRequireDefault(_handlebarsCompilerAst);

var _handlebarsCompilerBase = require('./handlebars/compiler/base');

var _handlebarsCompilerCompiler = require('./handlebars/compiler/compiler');

var _handlebarsCompilerJavascriptCompiler = require('./handlebars/compiler/javascript-compiler');

var _handlebarsCompilerJavascriptCompiler2 = _interopRequireDefault(_handlebarsCompilerJavascriptCompiler);

var _handlebarsCompilerVisitor = require('./handlebars/compiler/visitor');

var _handlebarsCompilerVisitor2 = _interopRequireDefault(_handlebarsCompilerVisitor);

var _handlebarsNoConflict = require('./handlebars/no-conflict');

var _handlebarsNoConflict2 = _interopRequireDefault(_handlebarsNoConflict);

var _create = _handlebarsRuntime2['default'].create;
function create() {
  var hb = _create();

  hb.compile = function (input, options) {
    return _handlebarsCompilerCompiler.compile(input, options, hb);
  };
  hb.precompile = function (input, options) {
    return _handlebarsCompilerCompiler.precompile(input, options, hb);
  };

  hb.AST = _handlebarsCompilerAst2['default'];
  hb.Compiler = _handlebarsCompilerCompiler.Compiler;
  hb.JavaScriptCompiler = _handlebarsCompilerJavascriptCompiler2['default'];
  hb.Parser = _handlebarsCompilerBase.parser;
  hb.parse = _handlebarsCompilerBase.parse;

  return hb;
}

var inst = create();
inst.create = create;

_handlebarsNoConflict2['default'](inst);

inst.Visitor = _handlebarsCompilerVisitor2['default'];

inst['default'] = inst;

exports['default'] = inst;
module.exports = exports['default'];


},{"./handlebars.runtime":3,"./handlebars/compiler/ast":5,"./handlebars/compiler/base":6,"./handlebars/compiler/compiler":8,"./handlebars/compiler/javascript-compiler":10,"./handlebars/compiler/visitor":13,"./handlebars/no-conflict":27}],3:[function(require,module,exports){
'use strict';

exports.__esModule = true;
// istanbul ignore next

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

// istanbul ignore next

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj['default'] = obj; return newObj; } }

var _handlebarsBase = require('./handlebars/base');

var base = _interopRequireWildcard(_handlebarsBase);

// Each of these augment the Handlebars object. No need to setup here.
// (This is done to easily share code between commonjs and browse envs)

var _handlebarsSafeString = require('./handlebars/safe-string');

var _handlebarsSafeString2 = _interopRequireDefault(_handlebarsSafeString);

var _handlebarsException = require('./handlebars/exception');

var _handlebarsException2 = _interopRequireDefault(_handlebarsException);

var _handlebarsUtils = require('./handlebars/utils');

var Utils = _interopRequireWildcard(_handlebarsUtils);

var _handlebarsRuntime = require('./handlebars/runtime');

var runtime = _interopRequireWildcard(_handlebarsRuntime);

var _handlebarsNoConflict = require('./handlebars/no-conflict');

var _handlebarsNoConflict2 = _interopRequireDefault(_handlebarsNoConflict);

// For compatibility and usage outside of module systems, make the Handlebars object a namespace
function create() {
  var hb = new base.HandlebarsEnvironment();

  Utils.extend(hb, base);
  hb.SafeString = _handlebarsSafeString2['default'];
  hb.Exception = _handlebarsException2['default'];
  hb.Utils = Utils;
  hb.escapeExpression = Utils.escapeExpression;

  hb.VM = runtime;
  hb.template = function (spec) {
    return runtime.template(spec, hb);
  };

  return hb;
}

var inst = create();
inst.create = create;

_handlebarsNoConflict2['default'](inst);

inst['default'] = inst;

exports['default'] = inst;
module.exports = exports['default'];


},{"./handlebars/base":4,"./handlebars/exception":17,"./handlebars/no-conflict":27,"./handlebars/runtime":28,"./handlebars/safe-string":29,"./handlebars/utils":30}],4:[function(require,module,exports){
'use strict';

exports.__esModule = true;
exports.HandlebarsEnvironment = HandlebarsEnvironment;
// istanbul ignore next

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

var _utils = require('./utils');

var _exception = require('./exception');

var _exception2 = _interopRequireDefault(_exception);

var _helpers = require('./helpers');

var _decorators = require('./decorators');

var _logger = require('./logger');

var _logger2 = _interopRequireDefault(_logger);

var VERSION = '4.0.12';
exports.VERSION = VERSION;
var COMPILER_REVISION = 7;

exports.COMPILER_REVISION = COMPILER_REVISION;
var REVISION_CHANGES = {
  1: '<= 1.0.rc.2', // 1.0.rc.2 is actually rev2 but doesn't report it
  2: '== 1.0.0-rc.3',
  3: '== 1.0.0-rc.4',
  4: '== 1.x.x',
  5: '== 2.0.0-alpha.x',
  6: '>= 2.0.0-beta.1',
  7: '>= 4.0.0'
};

exports.REVISION_CHANGES = REVISION_CHANGES;
var objectType = '[object Object]';

function HandlebarsEnvironment(helpers, partials, decorators) {
  this.helpers = helpers || {};
  this.partials = partials || {};
  this.decorators = decorators || {};

  _helpers.registerDefaultHelpers(this);
  _decorators.registerDefaultDecorators(this);
}

HandlebarsEnvironment.prototype = {
  constructor: HandlebarsEnvironment,

  logger: _logger2['default'],
  log: _logger2['default'].log,

  registerHelper: function registerHelper(name, fn) {
    if (_utils.toString.call(name) === objectType) {
      if (fn) {
        throw new _exception2['default']('Arg not supported with multiple helpers');
      }
      _utils.extend(this.helpers, name);
    } else {
      this.helpers[name] = fn;
    }
  },
  unregisterHelper: function unregisterHelper(name) {
    delete this.helpers[name];
  },

  registerPartial: function registerPartial(name, partial) {
    if (_utils.toString.call(name) === objectType) {
      _utils.extend(this.partials, name);
    } else {
      if (typeof partial === 'undefined') {
        throw new _exception2['default']('Attempting to register a partial called "' + name + '" as undefined');
      }
      this.partials[name] = partial;
    }
  },
  unregisterPartial: function unregisterPartial(name) {
    delete this.partials[name];
  },

  registerDecorator: function registerDecorator(name, fn) {
    if (_utils.toString.call(name) === objectType) {
      if (fn) {
        throw new _exception2['default']('Arg not supported with multiple decorators');
      }
      _utils.extend(this.decorators, name);
    } else {
      this.decorators[name] = fn;
    }
  },
  unregisterDecorator: function unregisterDecorator(name) {
    delete this.decorators[name];
  }
};

var log = _logger2['default'].log;

exports.log = log;
exports.createFrame = _utils.createFrame;
exports.logger = _logger2['default'];


},{"./decorators":15,"./exception":17,"./helpers":18,"./logger":26,"./utils":30}],5:[function(require,module,exports){
'use strict';

exports.__esModule = true;
var AST = {
  // Public API used to evaluate derived attributes regarding AST nodes
  helpers: {
    // a mustache is definitely a helper if:
    // * it is an eligible helper, and
    // * it has at least one parameter or hash segment
    helperExpression: function helperExpression(node) {
      return node.type === 'SubExpression' || (node.type === 'MustacheStatement' || node.type === 'BlockStatement') && !!(node.params && node.params.length || node.hash);
    },

    scopedId: function scopedId(path) {
      return (/^\.|this\b/.test(path.original)
      );
    },

    // an ID is simple if it only has one part, and that part is not
    // `..` or `this`.
    simpleId: function simpleId(path) {
      return path.parts.length === 1 && !AST.helpers.scopedId(path) && !path.depth;
    }
  }
};

// Must be exported as an object rather than the root of the module as the jison lexer
// must modify the object to operate properly.
exports['default'] = AST;
module.exports = exports['default'];


},{}],6:[function(require,module,exports){
'use strict';

exports.__esModule = true;
exports.parse = parse;
// istanbul ignore next

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj['default'] = obj; return newObj; } }

// istanbul ignore next

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

var _parser = require('./parser');

var _parser2 = _interopRequireDefault(_parser);

var _whitespaceControl = require('./whitespace-control');

var _whitespaceControl2 = _interopRequireDefault(_whitespaceControl);

var _helpers = require('./helpers');

var Helpers = _interopRequireWildcard(_helpers);

var _utils = require('../utils');

exports.parser = _parser2['default'];

var yy = {};
_utils.extend(yy, Helpers);

function parse(input, options) {
  // Just return if an already-compiled AST was passed in.
  if (input.type === 'Program') {
    return input;
  }

  _parser2['default'].yy = yy;

  // Altering the shared object here, but this is ok as parser is a sync operation
  yy.locInfo = function (locInfo) {
    return new yy.SourceLocation(options && options.srcName, locInfo);
  };

  var strip = new _whitespaceControl2['default'](options);
  return strip.accept(_parser2['default'].parse(input));
}


},{"../utils":30,"./helpers":9,"./parser":11,"./whitespace-control":14}],7:[function(require,module,exports){
/* global define */
'use strict';

exports.__esModule = true;

var _utils = require('../utils');

var SourceNode = undefined;

try {
  /* istanbul ignore next */
  if (typeof define !== 'function' || !define.amd) {
    // We don't support this in AMD environments. For these environments, we asusme that
    // they are running on the browser and thus have no need for the source-map library.
    var SourceMap = require('source-map');
    SourceNode = SourceMap.SourceNode;
  }
} catch (err) {}
/* NOP */

/* istanbul ignore if: tested but not covered in istanbul due to dist build  */
if (!SourceNode) {
  SourceNode = function (line, column, srcFile, chunks) {
    this.src = '';
    if (chunks) {
      this.add(chunks);
    }
  };
  /* istanbul ignore next */
  SourceNode.prototype = {
    add: function add(chunks) {
      if (_utils.isArray(chunks)) {
        chunks = chunks.join('');
      }
      this.src += chunks;
    },
    prepend: function prepend(chunks) {
      if (_utils.isArray(chunks)) {
        chunks = chunks.join('');
      }
      this.src = chunks + this.src;
    },
    toStringWithSourceMap: function toStringWithSourceMap() {
      return { code: this.toString() };
    },
    toString: function toString() {
      return this.src;
    }
  };
}

function castChunk(chunk, codeGen, loc) {
  if (_utils.isArray(chunk)) {
    var ret = [];

    for (var i = 0, len = chunk.length; i < len; i++) {
      ret.push(codeGen.wrap(chunk[i], loc));
    }
    return ret;
  } else if (typeof chunk === 'boolean' || typeof chunk === 'number') {
    // Handle primitives that the SourceNode will throw up on
    return chunk + '';
  }
  return chunk;
}

function CodeGen(srcFile) {
  this.srcFile = srcFile;
  this.source = [];
}

CodeGen.prototype = {
  isEmpty: function isEmpty() {
    return !this.source.length;
  },
  prepend: function prepend(source, loc) {
    this.source.unshift(this.wrap(source, loc));
  },
  push: function push(source, loc) {
    this.source.push(this.wrap(source, loc));
  },

  merge: function merge() {
    var source = this.empty();
    this.each(function (line) {
      source.add(['  ', line, '\n']);
    });
    return source;
  },

  each: function each(iter) {
    for (var i = 0, len = this.source.length; i < len; i++) {
      iter(this.source[i]);
    }
  },

  empty: function empty() {
    var loc = this.currentLocation || { start: {} };
    return new SourceNode(loc.start.line, loc.start.column, this.srcFile);
  },
  wrap: function wrap(chunk) {
    var loc = arguments.length <= 1 || arguments[1] === undefined ? this.currentLocation || { start: {} } : arguments[1];

    if (chunk instanceof SourceNode) {
      return chunk;
    }

    chunk = castChunk(chunk, this, loc);

    return new SourceNode(loc.start.line, loc.start.column, this.srcFile, chunk);
  },

  functionCall: function functionCall(fn, type, params) {
    params = this.generateList(params);
    return this.wrap([fn, type ? '.' + type + '(' : '(', params, ')']);
  },

  quotedString: function quotedString(str) {
    return '"' + (str + '').replace(/\\/g, '\\\\').replace(/"/g, '\\"').replace(/\n/g, '\\n').replace(/\r/g, '\\r').replace(/\u2028/g, '\\u2028') // Per Ecma-262 7.3 + 7.8.4
    .replace(/\u2029/g, '\\u2029') + '"';
  },

  objectLiteral: function objectLiteral(obj) {
    var pairs = [];

    for (var key in obj) {
      if (obj.hasOwnProperty(key)) {
        var value = castChunk(obj[key], this);
        if (value !== 'undefined') {
          pairs.push([this.quotedString(key), ':', value]);
        }
      }
    }

    var ret = this.generateList(pairs);
    ret.prepend('{');
    ret.add('}');
    return ret;
  },

  generateList: function generateList(entries) {
    var ret = this.empty();

    for (var i = 0, len = entries.length; i < len; i++) {
      if (i) {
        ret.add(',');
      }

      ret.add(castChunk(entries[i], this));
    }

    return ret;
  },

  generateArray: function generateArray(entries) {
    var ret = this.generateList(entries);
    ret.prepend('[');
    ret.add(']');

    return ret;
  }
};

exports['default'] = CodeGen;
module.exports = exports['default'];


},{"../utils":30,"source-map":42}],8:[function(require,module,exports){
/* eslint-disable new-cap */

'use strict';

exports.__esModule = true;
exports.Compiler = Compiler;
exports.precompile = precompile;
exports.compile = compile;
// istanbul ignore next

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

var _exception = require('../exception');

var _exception2 = _interopRequireDefault(_exception);

var _utils = require('../utils');

var _ast = require('./ast');

var _ast2 = _interopRequireDefault(_ast);

var slice = [].slice;

function Compiler() {}

// the foundHelper register will disambiguate helper lookup from finding a
// function in a context. This is necessary for mustache compatibility, which
// requires that context functions in blocks are evaluated by blockHelperMissing,
// and then proceed as if the resulting value was provided to blockHelperMissing.

Compiler.prototype = {
  compiler: Compiler,

  equals: function equals(other) {
    var len = this.opcodes.length;
    if (other.opcodes.length !== len) {
      return false;
    }

    for (var i = 0; i < len; i++) {
      var opcode = this.opcodes[i],
          otherOpcode = other.opcodes[i];
      if (opcode.opcode !== otherOpcode.opcode || !argEquals(opcode.args, otherOpcode.args)) {
        return false;
      }
    }

    // We know that length is the same between the two arrays because they are directly tied
    // to the opcode behavior above.
    len = this.children.length;
    for (var i = 0; i < len; i++) {
      if (!this.children[i].equals(other.children[i])) {
        return false;
      }
    }

    return true;
  },

  guid: 0,

  compile: function compile(program, options) {
    this.sourceNode = [];
    this.opcodes = [];
    this.children = [];
    this.options = options;
    this.stringParams = options.stringParams;
    this.trackIds = options.trackIds;

    options.blockParams = options.blockParams || [];

    // These changes will propagate to the other compiler components
    var knownHelpers = options.knownHelpers;
    options.knownHelpers = {
      'helperMissing': true,
      'blockHelperMissing': true,
      'each': true,
      'if': true,
      'unless': true,
      'with': true,
      'log': true,
      'lookup': true
    };
    if (knownHelpers) {
      // the next line should use "Object.keys", but the code has been like this a long time and changing it, might
      // cause backwards-compatibility issues... It's an old library...
      // eslint-disable-next-line guard-for-in
      for (var _name in knownHelpers) {
        this.options.knownHelpers[_name] = knownHelpers[_name];
      }
    }

    return this.accept(program);
  },

  compileProgram: function compileProgram(program) {
    var childCompiler = new this.compiler(),
        // eslint-disable-line new-cap
    result = childCompiler.compile(program, this.options),
        guid = this.guid++;

    this.usePartial = this.usePartial || result.usePartial;

    this.children[guid] = result;
    this.useDepths = this.useDepths || result.useDepths;

    return guid;
  },

  accept: function accept(node) {
    /* istanbul ignore next: Sanity code */
    if (!this[node.type]) {
      throw new _exception2['default']('Unknown type: ' + node.type, node);
    }

    this.sourceNode.unshift(node);
    var ret = this[node.type](node);
    this.sourceNode.shift();
    return ret;
  },

  Program: function Program(program) {
    this.options.blockParams.unshift(program.blockParams);

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

    this.options.blockParams.shift();

    this.isSimple = bodyLength === 1;
    this.blockParams = program.blockParams ? program.blockParams.length : 0;

    return this;
  },

  BlockStatement: function BlockStatement(block) {
    transformLiteralToPath(block);

    var program = block.program,
        inverse = block.inverse;

    program = program && this.compileProgram(program);
    inverse = inverse && this.compileProgram(inverse);

    var type = this.classifySexpr(block);

    if (type === 'helper') {
      this.helperSexpr(block, program, inverse);
    } else if (type === 'simple') {
      this.simpleSexpr(block);

      // now that the simple mustache is resolved, we need to
      // evaluate it by executing `blockHelperMissing`
      this.opcode('pushProgram', program);
      this.opcode('pushProgram', inverse);
      this.opcode('emptyHash');
      this.opcode('blockValue', block.path.original);
    } else {
      this.ambiguousSexpr(block, program, inverse);

      // now that the simple mustache is resolved, we need to
      // evaluate it by executing `blockHelperMissing`
      this.opcode('pushProgram', program);
      this.opcode('pushProgram', inverse);
      this.opcode('emptyHash');
      this.opcode('ambiguousBlockValue');
    }

    this.opcode('append');
  },

  DecoratorBlock: function DecoratorBlock(decorator) {
    var program = decorator.program && this.compileProgram(decorator.program);
    var params = this.setupFullMustacheParams(decorator, program, undefined),
        path = decorator.path;

    this.useDecorators = true;
    this.opcode('registerDecorator', params.length, path.original);
  },

  PartialStatement: function PartialStatement(partial) {
    this.usePartial = true;

    var program = partial.program;
    if (program) {
      program = this.compileProgram(partial.program);
    }

    var params = partial.params;
    if (params.length > 1) {
      throw new _exception2['default']('Unsupported number of partial arguments: ' + params.length, partial);
    } else if (!params.length) {
      if (this.options.explicitPartialContext) {
        this.opcode('pushLiteral', 'undefined');
      } else {
        params.push({ type: 'PathExpression', parts: [], depth: 0 });
      }
    }

    var partialName = partial.name.original,
        isDynamic = partial.name.type === 'SubExpression';
    if (isDynamic) {
      this.accept(partial.name);
    }

    this.setupFullMustacheParams(partial, program, undefined, true);

    var indent = partial.indent || '';
    if (this.options.preventIndent && indent) {
      this.opcode('appendContent', indent);
      indent = '';
    }

    this.opcode('invokePartial', isDynamic, partialName, indent);
    this.opcode('append');
  },
  PartialBlockStatement: function PartialBlockStatement(partialBlock) {
    this.PartialStatement(partialBlock);
  },

  MustacheStatement: function MustacheStatement(mustache) {
    this.SubExpression(mustache);

    if (mustache.escaped && !this.options.noEscape) {
      this.opcode('appendEscaped');
    } else {
      this.opcode('append');
    }
  },
  Decorator: function Decorator(decorator) {
    this.DecoratorBlock(decorator);
  },

  ContentStatement: function ContentStatement(content) {
    if (content.value) {
      this.opcode('appendContent', content.value);
    }
  },

  CommentStatement: function CommentStatement() {},

  SubExpression: function SubExpression(sexpr) {
    transformLiteralToPath(sexpr);
    var type = this.classifySexpr(sexpr);

    if (type === 'simple') {
      this.simpleSexpr(sexpr);
    } else if (type === 'helper') {
      this.helperSexpr(sexpr);
    } else {
      this.ambiguousSexpr(sexpr);
    }
  },
  ambiguousSexpr: function ambiguousSexpr(sexpr, program, inverse) {
    var path = sexpr.path,
        name = path.parts[0],
        isBlock = program != null || inverse != null;

    this.opcode('getContext', path.depth);

    this.opcode('pushProgram', program);
    this.opcode('pushProgram', inverse);

    path.strict = true;
    this.accept(path);

    this.opcode('invokeAmbiguous', name, isBlock);
  },

  simpleSexpr: function simpleSexpr(sexpr) {
    var path = sexpr.path;
    path.strict = true;
    this.accept(path);
    this.opcode('resolvePossibleLambda');
  },

  helperSexpr: function helperSexpr(sexpr, program, inverse) {
    var params = this.setupFullMustacheParams(sexpr, program, inverse),
        path = sexpr.path,
        name = path.parts[0];

    if (this.options.knownHelpers[name]) {
      this.opcode('invokeKnownHelper', params.length, name);
    } else if (this.options.knownHelpersOnly) {
      throw new _exception2['default']('You specified knownHelpersOnly, but used the unknown helper ' + name, sexpr);
    } else {
      path.strict = true;
      path.falsy = true;

      this.accept(path);
      this.opcode('invokeHelper', params.length, path.original, _ast2['default'].helpers.simpleId(path));
    }
  },

  PathExpression: function PathExpression(path) {
    this.addDepth(path.depth);
    this.opcode('getContext', path.depth);

    var name = path.parts[0],
        scoped = _ast2['default'].helpers.scopedId(path),
        blockParamId = !path.depth && !scoped && this.blockParamIndex(name);

    if (blockParamId) {
      this.opcode('lookupBlockParam', blockParamId, path.parts);
    } else if (!name) {
      // Context reference, i.e. `{{foo .}}` or `{{foo ..}}`
      this.opcode('pushContext');
    } else if (path.data) {
      this.options.data = true;
      this.opcode('lookupData', path.depth, path.parts, path.strict);
    } else {
      this.opcode('lookupOnContext', path.parts, path.falsy, path.strict, scoped);
    }
  },

  StringLiteral: function StringLiteral(string) {
    this.opcode('pushString', string.value);
  },

  NumberLiteral: function NumberLiteral(number) {
    this.opcode('pushLiteral', number.value);
  },

  BooleanLiteral: function BooleanLiteral(bool) {
    this.opcode('pushLiteral', bool.value);
  },

  UndefinedLiteral: function UndefinedLiteral() {
    this.opcode('pushLiteral', 'undefined');
  },

  NullLiteral: function NullLiteral() {
    this.opcode('pushLiteral', 'null');
  },

  Hash: function Hash(hash) {
    var pairs = hash.pairs,
        i = 0,
        l = pairs.length;

    this.opcode('pushHash');

    for (; i < l; i++) {
      this.pushParam(pairs[i].value);
    }
    while (i--) {
      this.opcode('assignToHash', pairs[i].key);
    }
    this.opcode('popHash');
  },

  // HELPERS
  opcode: function opcode(name) {
    this.opcodes.push({ opcode: name, args: slice.call(arguments, 1), loc: this.sourceNode[0].loc });
  },

  addDepth: function addDepth(depth) {
    if (!depth) {
      return;
    }

    this.useDepths = true;
  },

  classifySexpr: function classifySexpr(sexpr) {
    var isSimple = _ast2['default'].helpers.simpleId(sexpr.path);

    var isBlockParam = isSimple && !!this.blockParamIndex(sexpr.path.parts[0]);

    // a mustache is an eligible helper if:
    // * its id is simple (a single part, not `this` or `..`)
    var isHelper = !isBlockParam && _ast2['default'].helpers.helperExpression(sexpr);

    // if a mustache is an eligible helper but not a definite
    // helper, it is ambiguous, and will be resolved in a later
    // pass or at runtime.
    var isEligible = !isBlockParam && (isHelper || isSimple);

    // if ambiguous, we can possibly resolve the ambiguity now
    // An eligible helper is one that does not have a complex path, i.e. `this.foo`, `../foo` etc.
    if (isEligible && !isHelper) {
      var _name2 = sexpr.path.parts[0],
          options = this.options;

      if (options.knownHelpers[_name2]) {
        isHelper = true;
      } else if (options.knownHelpersOnly) {
        isEligible = false;
      }
    }

    if (isHelper) {
      return 'helper';
    } else if (isEligible) {
      return 'ambiguous';
    } else {
      return 'simple';
    }
  },

  pushParams: function pushParams(params) {
    for (var i = 0, l = params.length; i < l; i++) {
      this.pushParam(params[i]);
    }
  },

  pushParam: function pushParam(val) {
    var value = val.value != null ? val.value : val.original || '';

    if (this.stringParams) {
      if (value.replace) {
        value = value.replace(/^(\.?\.\/)*/g, '').replace(/\//g, '.');
      }

      if (val.depth) {
        this.addDepth(val.depth);
      }
      this.opcode('getContext', val.depth || 0);
      this.opcode('pushStringParam', value, val.type);

      if (val.type === 'SubExpression') {
        // SubExpressions get evaluated and passed in
        // in string params mode.
        this.accept(val);
      }
    } else {
      if (this.trackIds) {
        var blockParamIndex = undefined;
        if (val.parts && !_ast2['default'].helpers.scopedId(val) && !val.depth) {
          blockParamIndex = this.blockParamIndex(val.parts[0]);
        }
        if (blockParamIndex) {
          var blockParamChild = val.parts.slice(1).join('.');
          this.opcode('pushId', 'BlockParam', blockParamIndex, blockParamChild);
        } else {
          value = val.original || value;
          if (value.replace) {
            value = value.replace(/^this(?:\.|$)/, '').replace(/^\.\//, '').replace(/^\.$/, '');
          }

          this.opcode('pushId', val.type, value);
        }
      }
      this.accept(val);
    }
  },

  setupFullMustacheParams: function setupFullMustacheParams(sexpr, program, inverse, omitEmpty) {
    var params = sexpr.params;
    this.pushParams(params);

    this.opcode('pushProgram', program);
    this.opcode('pushProgram', inverse);

    if (sexpr.hash) {
      this.accept(sexpr.hash);
    } else {
      this.opcode('emptyHash', omitEmpty);
    }

    return params;
  },

  blockParamIndex: function blockParamIndex(name) {
    for (var depth = 0, len = this.options.blockParams.length; depth < len; depth++) {
      var blockParams = this.options.blockParams[depth],
          param = blockParams && _utils.indexOf(blockParams, name);
      if (blockParams && param >= 0) {
        return [depth, param];
      }
    }
  }
};

function precompile(input, options, env) {
  if (input == null || typeof input !== 'string' && input.type !== 'Program') {
    throw new _exception2['default']('You must pass a string or Handlebars AST to Handlebars.precompile. You passed ' + input);
  }

  options = options || {};
  if (!('data' in options)) {
    options.data = true;
  }
  if (options.compat) {
    options.useDepths = true;
  }

  var ast = env.parse(input, options),
      environment = new env.Compiler().compile(ast, options);
  return new env.JavaScriptCompiler().compile(environment, options);
}

function compile(input, options, env) {
  if (options === undefined) options = {};

  if (input == null || typeof input !== 'string' && input.type !== 'Program') {
    throw new _exception2['default']('You must pass a string or Handlebars AST to Handlebars.compile. You passed ' + input);
  }

  options = _utils.extend({}, options);
  if (!('data' in options)) {
    options.data = true;
  }
  if (options.compat) {
    options.useDepths = true;
  }

  var compiled = undefined;

  function compileInput() {
    var ast = env.parse(input, options),
        environment = new env.Compiler().compile(ast, options),
        templateSpec = new env.JavaScriptCompiler().compile(environment, options, undefined, true);
    return env.template(templateSpec);
  }

  // Template is only compiled on first use and cached after that point.
  function ret(context, execOptions) {
    if (!compiled) {
      compiled = compileInput();
    }
    return compiled.call(this, context, execOptions);
  }
  ret._setup = function (setupOptions) {
    if (!compiled) {
      compiled = compileInput();
    }
    return compiled._setup(setupOptions);
  };
  ret._child = function (i, data, blockParams, depths) {
    if (!compiled) {
      compiled = compileInput();
    }
    return compiled._child(i, data, blockParams, depths);
  };
  return ret;
}

function argEquals(a, b) {
  if (a === b) {
    return true;
  }

  if (_utils.isArray(a) && _utils.isArray(b) && a.length === b.length) {
    for (var i = 0; i < a.length; i++) {
      if (!argEquals(a[i], b[i])) {
        return false;
      }
    }
    return true;
  }
}

function transformLiteralToPath(sexpr) {
  if (!sexpr.path.parts) {
    var literal = sexpr.path;
    // Casting to string here to make false and 0 literal values play nicely with the rest
    // of the system.
    sexpr.path = {
      type: 'PathExpression',
      data: false,
      depth: 0,
      parts: [literal.original + ''],
      original: literal.original + '',
      loc: literal.loc
    };
  }
}


},{"../exception":17,"../utils":30,"./ast":5}],9:[function(require,module,exports){
'use strict';

exports.__esModule = true;
exports.SourceLocation = SourceLocation;
exports.id = id;
exports.stripFlags = stripFlags;
exports.stripComment = stripComment;
exports.preparePath = preparePath;
exports.prepareMustache = prepareMustache;
exports.prepareRawBlock = prepareRawBlock;
exports.prepareBlock = prepareBlock;
exports.prepareProgram = prepareProgram;
exports.preparePartialBlock = preparePartialBlock;
// istanbul ignore next

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

var _exception = require('../exception');

var _exception2 = _interopRequireDefault(_exception);

function validateClose(open, close) {
  close = close.path ? close.path.original : close;

  if (open.path.original !== close) {
    var errorNode = { loc: open.path.loc };

    throw new _exception2['default'](open.path.original + " doesn't match " + close, errorNode);
  }
}

function SourceLocation(source, locInfo) {
  this.source = source;
  this.start = {
    line: locInfo.first_line,
    column: locInfo.first_column
  };
  this.end = {
    line: locInfo.last_line,
    column: locInfo.last_column
  };
}

function id(token) {
  if (/^\[.*\]$/.test(token)) {
    return token.substr(1, token.length - 2);
  } else {
    return token;
  }
}

function stripFlags(open, close) {
  return {
    open: open.charAt(2) === '~',
    close: close.charAt(close.length - 3) === '~'
  };
}

function stripComment(comment) {
  return comment.replace(/^\{\{~?!-?-?/, '').replace(/-?-?~?\}\}$/, '');
}

function preparePath(data, parts, loc) {
  loc = this.locInfo(loc);

  var original = data ? '@' : '',
      dig = [],
      depth = 0;

  for (var i = 0, l = parts.length; i < l; i++) {
    var part = parts[i].part,

    // If we have [] syntax then we do not treat path references as operators,
    // i.e. foo.[this] resolves to approximately context.foo['this']
    isLiteral = parts[i].original !== part;
    original += (parts[i].separator || '') + part;

    if (!isLiteral && (part === '..' || part === '.' || part === 'this')) {
      if (dig.length > 0) {
        throw new _exception2['default']('Invalid path: ' + original, { loc: loc });
      } else if (part === '..') {
        depth++;
      }
    } else {
      dig.push(part);
    }
  }

  return {
    type: 'PathExpression',
    data: data,
    depth: depth,
    parts: dig,
    original: original,
    loc: loc
  };
}

function prepareMustache(path, params, hash, open, strip, locInfo) {
  // Must use charAt to support IE pre-10
  var escapeFlag = open.charAt(3) || open.charAt(2),
      escaped = escapeFlag !== '{' && escapeFlag !== '&';

  var decorator = /\*/.test(open);
  return {
    type: decorator ? 'Decorator' : 'MustacheStatement',
    path: path,
    params: params,
    hash: hash,
    escaped: escaped,
    strip: strip,
    loc: this.locInfo(locInfo)
  };
}

function prepareRawBlock(openRawBlock, contents, close, locInfo) {
  validateClose(openRawBlock, close);

  locInfo = this.locInfo(locInfo);
  var program = {
    type: 'Program',
    body: contents,
    strip: {},
    loc: locInfo
  };

  return {
    type: 'BlockStatement',
    path: openRawBlock.path,
    params: openRawBlock.params,
    hash: openRawBlock.hash,
    program: program,
    openStrip: {},
    inverseStrip: {},
    closeStrip: {},
    loc: locInfo
  };
}

function prepareBlock(openBlock, program, inverseAndProgram, close, inverted, locInfo) {
  if (close && close.path) {
    validateClose(openBlock, close);
  }

  var decorator = /\*/.test(openBlock.open);

  program.blockParams = openBlock.blockParams;

  var inverse = undefined,
      inverseStrip = undefined;

  if (inverseAndProgram) {
    if (decorator) {
      throw new _exception2['default']('Unexpected inverse block on decorator', inverseAndProgram);
    }

    if (inverseAndProgram.chain) {
      inverseAndProgram.program.body[0].closeStrip = close.strip;
    }

    inverseStrip = inverseAndProgram.strip;
    inverse = inverseAndProgram.program;
  }

  if (inverted) {
    inverted = inverse;
    inverse = program;
    program = inverted;
  }

  return {
    type: decorator ? 'DecoratorBlock' : 'BlockStatement',
    path: openBlock.path,
    params: openBlock.params,
    hash: openBlock.hash,
    program: program,
    inverse: inverse,
    openStrip: openBlock.strip,
    inverseStrip: inverseStrip,
    closeStrip: close && close.strip,
    loc: this.locInfo(locInfo)
  };
}

function prepareProgram(statements, loc) {
  if (!loc && statements.length) {
    var firstLoc = statements[0].loc,
        lastLoc = statements[statements.length - 1].loc;

    /* istanbul ignore else */
    if (firstLoc && lastLoc) {
      loc = {
        source: firstLoc.source,
        start: {
          line: firstLoc.start.line,
          column: firstLoc.start.column
        },
        end: {
          line: lastLoc.end.line,
          column: lastLoc.end.column
        }
      };
    }
  }

  return {
    type: 'Program',
    body: statements,
    strip: {},
    loc: loc
  };
}

function preparePartialBlock(open, program, close, locInfo) {
  validateClose(open, close);

  return {
    type: 'PartialBlockStatement',
    name: open.path,
    params: open.params,
    hash: open.hash,
    program: program,
    openStrip: open.strip,
    closeStrip: close && close.strip,
    loc: this.locInfo(locInfo)
  };
}


},{"../exception":17}],10:[function(require,module,exports){
'use strict';

exports.__esModule = true;
// istanbul ignore next

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

var _base = require('../base');

var _exception = require('../exception');

var _exception2 = _interopRequireDefault(_exception);

var _utils = require('../utils');

var _codeGen = require('./code-gen');

var _codeGen2 = _interopRequireDefault(_codeGen);

function Literal(value) {
  this.value = value;
}

function JavaScriptCompiler() {}

JavaScriptCompiler.prototype = {
  // PUBLIC API: You can override these methods in a subclass to provide
  // alternative compiled forms for name lookup and buffering semantics
  nameLookup: function nameLookup(parent, name /* , type*/) {
    if (JavaScriptCompiler.isValidJavaScriptVariableName(name)) {
      return [parent, '.', name];
    } else {
      return [parent, '[', JSON.stringify(name), ']'];
    }
  },
  depthedLookup: function depthedLookup(name) {
    return [this.aliasable('container.lookup'), '(depths, "', name, '")'];
  },

  compilerInfo: function compilerInfo() {
    var revision = _base.COMPILER_REVISION,
        versions = _base.REVISION_CHANGES[revision];
    return [revision, versions];
  },

  appendToBuffer: function appendToBuffer(source, location, explicit) {
    // Force a source as this simplifies the merge logic.
    if (!_utils.isArray(source)) {
      source = [source];
    }
    source = this.source.wrap(source, location);

    if (this.environment.isSimple) {
      return ['return ', source, ';'];
    } else if (explicit) {
      // This is a case where the buffer operation occurs as a child of another
      // construct, generally braces. We have to explicitly output these buffer
      // operations to ensure that the emitted code goes in the correct location.
      return ['buffer += ', source, ';'];
    } else {
      source.appendToBuffer = true;
      return source;
    }
  },

  initializeBuffer: function initializeBuffer() {
    return this.quotedString('');
  },
  // END PUBLIC API

  compile: function compile(environment, options, context, asObject) {
    this.environment = environment;
    this.options = options;
    this.stringParams = this.options.stringParams;
    this.trackIds = this.options.trackIds;
    this.precompile = !asObject;

    this.name = this.environment.name;
    this.isChild = !!context;
    this.context = context || {
      decorators: [],
      programs: [],
      environments: []
    };

    this.preamble();

    this.stackSlot = 0;
    this.stackVars = [];
    this.aliases = {};
    this.registers = { list: [] };
    this.hashes = [];
    this.compileStack = [];
    this.inlineStack = [];
    this.blockParams = [];

    this.compileChildren(environment, options);

    this.useDepths = this.useDepths || environment.useDepths || environment.useDecorators || this.options.compat;
    this.useBlockParams = this.useBlockParams || environment.useBlockParams;

    var opcodes = environment.opcodes,
        opcode = undefined,
        firstLoc = undefined,
        i = undefined,
        l = undefined;

    for (i = 0, l = opcodes.length; i < l; i++) {
      opcode = opcodes[i];

      this.source.currentLocation = opcode.loc;
      firstLoc = firstLoc || opcode.loc;
      this[opcode.opcode].apply(this, opcode.args);
    }

    // Flush any trailing content that might be pending.
    this.source.currentLocation = firstLoc;
    this.pushSource('');

    /* istanbul ignore next */
    if (this.stackSlot || this.inlineStack.length || this.compileStack.length) {
      throw new _exception2['default']('Compile completed with content left on stack');
    }

    if (!this.decorators.isEmpty()) {
      this.useDecorators = true;

      this.decorators.prepend('var decorators = container.decorators;\n');
      this.decorators.push('return fn;');

      if (asObject) {
        this.decorators = Function.apply(this, ['fn', 'props', 'container', 'depth0', 'data', 'blockParams', 'depths', this.decorators.merge()]);
      } else {
        this.decorators.prepend('function(fn, props, container, depth0, data, blockParams, depths) {\n');
        this.decorators.push('}\n');
        this.decorators = this.decorators.merge();
      }
    } else {
      this.decorators = undefined;
    }

    var fn = this.createFunctionContext(asObject);
    if (!this.isChild) {
      var ret = {
        compiler: this.compilerInfo(),
        main: fn
      };

      if (this.decorators) {
        ret.main_d = this.decorators; // eslint-disable-line camelcase
        ret.useDecorators = true;
      }

      var _context = this.context;
      var programs = _context.programs;
      var decorators = _context.decorators;

      for (i = 0, l = programs.length; i < l; i++) {
        if (programs[i]) {
          ret[i] = programs[i];
          if (decorators[i]) {
            ret[i + '_d'] = decorators[i];
            ret.useDecorators = true;
          }
        }
      }

      if (this.environment.usePartial) {
        ret.usePartial = true;
      }
      if (this.options.data) {
        ret.useData = true;
      }
      if (this.useDepths) {
        ret.useDepths = true;
      }
      if (this.useBlockParams) {
        ret.useBlockParams = true;
      }
      if (this.options.compat) {
        ret.compat = true;
      }

      if (!asObject) {
        ret.compiler = JSON.stringify(ret.compiler);

        this.source.currentLocation = { start: { line: 1, column: 0 } };
        ret = this.objectLiteral(ret);

        if (options.srcName) {
          ret = ret.toStringWithSourceMap({ file: options.destName });
          ret.map = ret.map && ret.map.toString();
        } else {
          ret = ret.toString();
        }
      } else {
        ret.compilerOptions = this.options;
      }

      return ret;
    } else {
      return fn;
    }
  },

  preamble: function preamble() {
    // track the last context pushed into place to allow skipping the
    // getContext opcode when it would be a noop
    this.lastContext = 0;
    this.source = new _codeGen2['default'](this.options.srcName);
    this.decorators = new _codeGen2['default'](this.options.srcName);
  },

  createFunctionContext: function createFunctionContext(asObject) {
    var varDeclarations = '';

    var locals = this.stackVars.concat(this.registers.list);
    if (locals.length > 0) {
      varDeclarations += ', ' + locals.join(', ');
    }

    // Generate minimizer alias mappings
    //
    // When using true SourceNodes, this will update all references to the given alias
    // as the source nodes are reused in situ. For the non-source node compilation mode,
    // aliases will not be used, but this case is already being run on the client and
    // we aren't concern about minimizing the template size.
    var aliasCount = 0;
    for (var alias in this.aliases) {
      // eslint-disable-line guard-for-in
      var node = this.aliases[alias];

      if (this.aliases.hasOwnProperty(alias) && node.children && node.referenceCount > 1) {
        varDeclarations += ', alias' + ++aliasCount + '=' + alias;
        node.children[0] = 'alias' + aliasCount;
      }
    }

    var params = ['container', 'depth0', 'helpers', 'partials', 'data'];

    if (this.useBlockParams || this.useDepths) {
      params.push('blockParams');
    }
    if (this.useDepths) {
      params.push('depths');
    }

    // Perform a second pass over the output to merge content when possible
    var source = this.mergeSource(varDeclarations);

    if (asObject) {
      params.push(source);

      return Function.apply(this, params);
    } else {
      return this.source.wrap(['function(', params.join(','), ') {\n  ', source, '}']);
    }
  },
  mergeSource: function mergeSource(varDeclarations) {
    var isSimple = this.environment.isSimple,
        appendOnly = !this.forceBuffer,
        appendFirst = undefined,
        sourceSeen = undefined,
        bufferStart = undefined,
        bufferEnd = undefined;
    this.source.each(function (line) {
      if (line.appendToBuffer) {
        if (bufferStart) {
          line.prepend('  + ');
        } else {
          bufferStart = line;
        }
        bufferEnd = line;
      } else {
        if (bufferStart) {
          if (!sourceSeen) {
            appendFirst = true;
          } else {
            bufferStart.prepend('buffer += ');
          }
          bufferEnd.add(';');
          bufferStart = bufferEnd = undefined;
        }

        sourceSeen = true;
        if (!isSimple) {
          appendOnly = false;
        }
      }
    });

    if (appendOnly) {
      if (bufferStart) {
        bufferStart.prepend('return ');
        bufferEnd.add(';');
      } else if (!sourceSeen) {
        this.source.push('return "";');
      }
    } else {
      varDeclarations += ', buffer = ' + (appendFirst ? '' : this.initializeBuffer());

      if (bufferStart) {
        bufferStart.prepend('return buffer + ');
        bufferEnd.add(';');
      } else {
        this.source.push('return buffer;');
      }
    }

    if (varDeclarations) {
      this.source.prepend('var ' + varDeclarations.substring(2) + (appendFirst ? '' : ';\n'));
    }

    return this.source.merge();
  },

  // [blockValue]
  //
  // On stack, before: hash, inverse, program, value
  // On stack, after: return value of blockHelperMissing
  //
  // The purpose of this opcode is to take a block of the form
  // `{{#this.foo}}...{{/this.foo}}`, resolve the value of `foo`, and
  // replace it on the stack with the result of properly
  // invoking blockHelperMissing.
  blockValue: function blockValue(name) {
    var blockHelperMissing = this.aliasable('helpers.blockHelperMissing'),
        params = [this.contextName(0)];
    this.setupHelperArgs(name, 0, params);

    var blockName = this.popStack();
    params.splice(1, 0, blockName);

    this.push(this.source.functionCall(blockHelperMissing, 'call', params));
  },

  // [ambiguousBlockValue]
  //
  // On stack, before: hash, inverse, program, value
  // Compiler value, before: lastHelper=value of last found helper, if any
  // On stack, after, if no lastHelper: same as [blockValue]
  // On stack, after, if lastHelper: value
  ambiguousBlockValue: function ambiguousBlockValue() {
    // We're being a bit cheeky and reusing the options value from the prior exec
    var blockHelperMissing = this.aliasable('helpers.blockHelperMissing'),
        params = [this.contextName(0)];
    this.setupHelperArgs('', 0, params, true);

    this.flushInline();

    var current = this.topStack();
    params.splice(1, 0, current);

    this.pushSource(['if (!', this.lastHelper, ') { ', current, ' = ', this.source.functionCall(blockHelperMissing, 'call', params), '}']);
  },

  // [appendContent]
  //
  // On stack, before: ...
  // On stack, after: ...
  //
  // Appends the string value of `content` to the current buffer
  appendContent: function appendContent(content) {
    if (this.pendingContent) {
      content = this.pendingContent + content;
    } else {
      this.pendingLocation = this.source.currentLocation;
    }

    this.pendingContent = content;
  },

  // [append]
  //
  // On stack, before: value, ...
  // On stack, after: ...
  //
  // Coerces `value` to a String and appends it to the current buffer.
  //
  // If `value` is truthy, or 0, it is coerced into a string and appended
  // Otherwise, the empty string is appended
  append: function append() {
    if (this.isInline()) {
      this.replaceStack(function (current) {
        return [' != null ? ', current, ' : ""'];
      });

      this.pushSource(this.appendToBuffer(this.popStack()));
    } else {
      var local = this.popStack();
      this.pushSource(['if (', local, ' != null) { ', this.appendToBuffer(local, undefined, true), ' }']);
      if (this.environment.isSimple) {
        this.pushSource(['else { ', this.appendToBuffer("''", undefined, true), ' }']);
      }
    }
  },

  // [appendEscaped]
  //
  // On stack, before: value, ...
  // On stack, after: ...
  //
  // Escape `value` and append it to the buffer
  appendEscaped: function appendEscaped() {
    this.pushSource(this.appendToBuffer([this.aliasable('container.escapeExpression'), '(', this.popStack(), ')']));
  },

  // [getContext]
  //
  // On stack, before: ...
  // On stack, after: ...
  // Compiler value, after: lastContext=depth
  //
  // Set the value of the `lastContext` compiler value to the depth
  getContext: function getContext(depth) {
    this.lastContext = depth;
  },

  // [pushContext]
  //
  // On stack, before: ...
  // On stack, after: currentContext, ...
  //
  // Pushes the value of the current context onto the stack.
  pushContext: function pushContext() {
    this.pushStackLiteral(this.contextName(this.lastContext));
  },

  // [lookupOnContext]
  //
  // On stack, before: ...
  // On stack, after: currentContext[name], ...
  //
  // Looks up the value of `name` on the current context and pushes
  // it onto the stack.
  lookupOnContext: function lookupOnContext(parts, falsy, strict, scoped) {
    var i = 0;

    if (!scoped && this.options.compat && !this.lastContext) {
      // The depthed query is expected to handle the undefined logic for the root level that
      // is implemented below, so we evaluate that directly in compat mode
      this.push(this.depthedLookup(parts[i++]));
    } else {