/*istanbul ignore next*/
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = _default;

var
/*istanbul ignore next*/
_utils = require("../utils");

var
/*istanbul ignore next*/
_exception = _interopRequireDefault(require("../exception"));

/*istanbul ignore next*/ function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function
/*istanbul ignore next*/
_default(instance) {
  instance.registerHelper('each', function (context, options) {
    if (!options) {
      throw new
      /*istanbul ignore next*/
      _exception[
      /*istanbul ignore next*/
      "default"]('Must pass iterator to #each');
    }

    var fn = options.fn,
        inverse = options.inverse,
        i = 0,
        ret = '',
        data,
        contextPath;

    if (options.data && options.ids) {
      contextPath =
      /*istanbul ignore next*/
      (0,
      /*istanbul ignore next*/
      _utils.
      /*istanbul ignore next*/
      appendContextPath)(options.data.contextPath, options.ids[0]) + '.';
    }

    if (
    /*istanbul ignore next*/
    (0,
    /*istanbul ignore next*/
    _utils.
    /*istanbul ignore next*/
    isFunction)(context)) {
      context = context.call(this);
    }

    if (options.data) {
      data =
      /*istanbul ignore next*/
      (0,
      /*istanbul ignore next*/
      _utils.
      /*istanbul ignore next*/
      createFrame)(options.data);
    }

    function execIteration(field, index, last) {
      if (data) {
        data.key = field;
        data.index = index;
        data.first = index === 0;
        data.last = !!last;

        if (contextPath) {
          data.contextPath = contextPath + field;
        }
      }

      ret = ret + fn(context[field], {
        data: data,
        blockParams:
        /*istanbul ignore next*/
        (0,
        /*istanbul ignore next*/
        _utils.
        /*istanbul ignore next*/
        blockParams)([context[field], field], [contextPath + field, null])
      });
    }

    if (context &&
    /*istanbul ignore next*/
    _typeof(context) === 'object') {
      if (
      /*istanbul ignore next*/
      (0,
      /*istanbul ignore next*/
      _utils.
      /*istanbul ignore next*/
      isArray)(context)) {
        for (var j = context.length; i < j; i++) {
          if (i in context) {
            execIteration(i, i, i === context.length - 1);
          }
        }
      } else if (global.Symbol && context[global.Symbol.iterator]) {
        var newContext = [];
        var iterator = context[global.Symbol.iterator]();

        for (var it = iterator.next(); !it.done; it = iterator.next()) {
          newContext.push(it.value);
        }

        context = newContext;

        for (var _j = context.length; i < _j; i++) {
          execIteration(i, i, i === context.length - 1);
        }
      } else {
        var priorKey;
        Object.keys(context).forEach(function (key) {
          // We're running the iterations one step out of sync so we can detect
          // the last iteration without have to scan the object twice and create
          // an itermediate keys array.
          if (priorKey !== undefined) {
            execIteration(priorKey, i - 1);
          }

          priorKey = key;
          i++;
        });

        if (priorKey !== undefined) {
          execIteration(priorKey, i - 1, true);
        }
      }
    }

    if (i === 0) {
      ret = inverse(this);
    }

    return ret;
  });
}

/*istanbul ignore next*/
module.exports = exports.default;
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"sources":["../../../../lib/handlebars/helpers/each.js"],"names":["instance","registerHelper","context","options","Exception","fn","inverse","i","ret","data","contextPath","ids","appendContextPath","isFunction","call","createFrame","execIteration","field","index","last","key","first","blockParams","isArray","j","length","global","Symbol","iterator","newContext","it","next","done","push","value","priorKey","Object","keys","forEach","undefined"],"mappings":";;;;;;;;AAAA;AAAA;AAAA;;AAOA;AAAA;AAAA;;;;;;AAEe;AAAA;AAAA,SAASA,QAAT,EAAmB;AAChCA,EAAAA,QAAQ,CAACC,cAAT,CAAwB,MAAxB,EAAgC,UAASC,OAAT,EAAkBC,OAAlB,EAA2B;AACzD,QAAI,CAACA,OAAL,EAAc;AACZ,YAAM;AAAIC;AAAAA;AAAAA;AAAAA,gBAAJ,CAAc,6BAAd,CAAN;AACD;;AAED,QAAIC,EAAE,GAAGF,OAAO,CAACE,EAAjB;AAAA,QACEC,OAAO,GAAGH,OAAO,CAACG,OADpB;AAAA,QAEEC,CAAC,GAAG,CAFN;AAAA,QAGEC,GAAG,GAAG,EAHR;AAAA,QAIEC,IAJF;AAAA,QAKEC,WALF;;AAOA,QAAIP,OAAO,CAACM,IAAR,IAAgBN,OAAO,CAACQ,GAA5B,EAAiC;AAC/BD,MAAAA,WAAW;AACT;AAAA;AAAAE;AAAAA;AAAAA;AAAAA,yBAAkBT,OAAO,CAACM,IAAR,CAAaC,WAA/B,EAA4CP,OAAO,CAACQ,GAAR,CAAY,CAAZ,CAA5C,IAA8D,GADhE;AAED;;AAED;AAAI;AAAA;AAAAE;AAAAA;AAAAA;AAAAA,gBAAWX,OAAX,CAAJ,EAAyB;AACvBA,MAAAA,OAAO,GAAGA,OAAO,CAACY,IAAR,CAAa,IAAb,CAAV;AACD;;AAED,QAAIX,OAAO,CAACM,IAAZ,EAAkB;AAChBA,MAAAA,IAAI;AAAG;AAAA;AAAAM;AAAAA;AAAAA;AAAAA,mBAAYZ,OAAO,CAACM,IAApB,CAAP;AACD;;AAED,aAASO,aAAT,CAAuBC,KAAvB,EAA8BC,KAA9B,EAAqCC,IAArC,EAA2C;AACzC,UAAIV,IAAJ,EAAU;AACRA,QAAAA,IAAI,CAACW,GAAL,GAAWH,KAAX;AACAR,QAAAA,IAAI,CAACS,KAAL,GAAaA,KAAb;AACAT,QAAAA,IAAI,CAACY,KAAL,GAAaH,KAAK,KAAK,CAAvB;AACAT,QAAAA,IAAI,CAACU,IAAL,GAAY,CAAC,CAACA,IAAd;;AAEA,YAAIT,WAAJ,EAAiB;AACfD,UAAAA,IAAI,CAACC,WAAL,GAAmBA,WAAW,GAAGO,KAAjC;AACD;AACF;;AAEDT,MAAAA,GAAG,GACDA,GAAG,GACHH,EAAE,CAACH,OAAO,CAACe,KAAD,CAAR,EAAiB;AACjBR,QAAAA,IAAI,EAAEA,IADW;AAEjBa,QAAAA,WAAW;AAAE;AAAA;AAAAA;AAAAA;AAAAA;AAAAA,qBACX,CAACpB,OAAO,CAACe,KAAD,CAAR,EAAiBA,KAAjB,CADW,EAEX,CAACP,WAAW,GAAGO,KAAf,EAAsB,IAAtB,CAFW;AAFI,OAAjB,CAFJ;AASD;;AAED,QAAIf,OAAO;AAAI;AAAA,YAAOA,OAAP,MAAmB,QAAlC,EAA4C;AAC1C;AAAI;AAAA;AAAAqB;AAAAA;AAAAA;AAAAA,eAAQrB,OAAR,CAAJ,EAAsB;AACpB,aAAK,IAAIsB,CAAC,GAAGtB,OAAO,CAACuB,MAArB,EAA6BlB,CAAC,GAAGiB,CAAjC,EAAoCjB,CAAC,EAArC,EAAyC;AACvC,cAAIA,CAAC,IAAIL,OAAT,EAAkB;AAChBc,YAAAA,aAAa,CAACT,CAAD,EAAIA,CAAJ,EAAOA,CAAC,KAAKL,OAAO,CAACuB,MAAR,GAAiB,CAA9B,CAAb;AACD;AACF;AACF,OAND,MAMO,IAAIC,MAAM,CAACC,MAAP,IAAiBzB,OAAO,CAACwB,MAAM,CAACC,MAAP,CAAcC,QAAf,CAA5B,EAAsD;AAC3D,YAAMC,UAAU,GAAG,EAAnB;AACA,YAAMD,QAAQ,GAAG1B,OAAO,CAACwB,MAAM,CAACC,MAAP,CAAcC,QAAf,CAAP,EAAjB;;AACA,aAAK,IAAIE,EAAE,GAAGF,QAAQ,CAACG,IAAT,EAAd,EAA+B,CAACD,EAAE,CAACE,IAAnC,EAAyCF,EAAE,GAAGF,QAAQ,CAACG,IAAT,EAA9C,EAA+D;AAC7DF,UAAAA,UAAU,CAACI,IAAX,CAAgBH,EAAE,CAACI,KAAnB;AACD;;AACDhC,QAAAA,OAAO,GAAG2B,UAAV;;AACA,aAAK,IAAIL,EAAC,GAAGtB,OAAO,CAACuB,MAArB,EAA6BlB,CAAC,GAAGiB,EAAjC,EAAoCjB,CAAC,EAArC,EAAyC;AACvCS,UAAAA,aAAa,CAACT,CAAD,EAAIA,CAAJ,EAAOA,CAAC,KAAKL,OAAO,CAACuB,MAAR,GAAiB,CAA9B,CAAb;AACD;AACF,OAVM,MAUA;AACL,YAAIU,QAAJ;AAEAC,QAAAA,MAAM,CAACC,IAAP,CAAYnC,OAAZ,EAAqBoC,OAArB,CAA6B,UAAAlB,GAAG,EAAI;AAClC;AACA;AACA;AACA,cAAIe,QAAQ,KAAKI,SAAjB,EAA4B;AAC1BvB,YAAAA,aAAa,CAACmB,QAAD,EAAW5B,CAAC,GAAG,CAAf,CAAb;AACD;;AACD4B,UAAAA,QAAQ,GAAGf,GAAX;AACAb,UAAAA,CAAC;AACF,SATD;;AAUA,YAAI4B,QAAQ,KAAKI,SAAjB,EAA4B;AAC1BvB,UAAAA,aAAa,CAACmB,QAAD,EAAW5B,CAAC,GAAG,CAAf,EAAkB,IAAlB,CAAb;AACD;AACF;AACF;;AAED,QAAIA,CAAC,KAAK,CAAV,EAAa;AACXC,MAAAA,GAAG,GAAGF,OAAO,CAAC,IAAD,CAAb;AACD;;AAED,WAAOE,GAAP;AACD,GAzFD;AA0FD","sourcesContent":["import {\n  appendContextPath,\n  blockParams,\n  createFrame,\n  isArray,\n  isFunction\n} from '../utils';\nimport Exception from '../exception';\n\nexport default function(instance) {\n  instance.registerHelper('each', function(context, options) {\n    if (!options) {\n      throw new Exception('Must pass iterator to #each');\n    }\n\n    let fn = options.fn,\n      inverse = options.inverse,\n      i = 0,\n      ret = '',\n      data,\n      contextPath;\n\n    if (options.data && options.ids) {\n      contextPath =\n        appendContextPath(options.data.contextPath, options.ids[0]) + '.';\n    }\n\n    if (isFunction(context)) {\n      context = context.call(this);\n    }\n\n    if (options.data) {\n      data = createFrame(options.data);\n    }\n\n    function execIteration(field, index, last) {\n      if (data) {\n        data.key = field;\n        data.index = index;\n        data.first = index === 0;\n        data.last = !!last;\n\n        if (contextPath) {\n          data.contextPath = contextPath + field;\n        }\n      }\n\n      ret =\n        ret +\n        fn(context[field], {\n          data: data,\n          blockParams: blockParams(\n            [context[field], field],\n            [contextPath + field, null]\n          )\n        });\n    }\n\n    if (context && typeof context === 'object') {\n      if (isArray(context)) {\n        for (let j = context.length; i < j; i++) {\n          if (i in context) {\n            execIteration(i, i, i === context.length - 1);\n          }\n        }\n      } else if (global.Symbol && context[global.Symbol.iterator]) {\n        const newContext = [];\n        const iterator = context[global.Symbol.iterator]();\n        for (let it = iterator.next(); !it.done; it = iterator.next()) {\n          newContext.push(it.value);\n        }\n        context = newContext;\n        for (let j = context.length; i < j; i++) {\n          execIteration(i, i, i === context.length - 1);\n        }\n      } else {\n        let priorKey;\n\n        Object.keys(context).forEach(key => {\n          // We're running the iterations one step out of sync so we can detect\n          // the last iteration without have to scan the object twice and create\n          // an itermediate keys array.\n          if (priorKey !== undefined) {\n            execIteration(priorKey, i - 1);\n          }\n          priorKey = key;\n          i++;\n        });\n        if (priorKey !== undefined) {\n          execIteration(priorKey, i - 1, true);\n        }\n      }\n    }\n\n    if (i === 0) {\n      ret = inverse(this);\n    }\n\n    return ret;\n  });\n}\n"]}