vnfmarket/src/main/webapp/vnfmarket/node_modules/handlebars/dist/amd/handlebars/helpers/each.js

   1 define(['exports', 'module', '../utils', '../exception'], function (exports, module, _utils, _exception) {
   2   'use strict';
   3
   4   // istanbul ignore next
   5
   6   function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
   7
   8   var _Exception = _interopRequireDefault(_exception);
   9
  10   module.exports = function (instance) {
  11     instance.registerHelper('each', function (context, options) {
  12       if (!options) {
  13         throw new _Exception['default']('Must pass iterator to #each');
  14       }
  15
  16       var fn = options.fn,
  17           inverse = options.inverse,
  18           i = 0,
  19           ret = '',
  20           data = undefined,
  21           contextPath = undefined;
  22
  23       if (options.data && options.ids) {
  24         contextPath = _utils.appendContextPath(options.data.contextPath, options.ids[0]) + '.';
  25       }
  26
  27       if (_utils.isFunction(context)) {
  28         context = context.call(this);
  29       }
  30
  31       if (options.data) {
  32         data = _utils.createFrame(options.data);
  33       }
  34
  35       function execIteration(field, index, last) {
  36         if (data) {
  37           data.key = field;
  38           data.index = index;
  39           data.first = index === 0;
  40           data.last = !!last;
  41
  42           if (contextPath) {
  43             data.contextPath = contextPath + field;
  44           }
  45         }
  46
  47         ret = ret + fn(context[field], {
  48           data: data,
  49           blockParams: _utils.blockParams([context[field], field], [contextPath + field, null])
  50         });
  51       }
  52
  53       if (context && typeof context === 'object') {
  54         if (_utils.isArray(context)) {
  55           for (var j = context.length; i < j; i++) {
  56             if (i in context) {
  57               execIteration(i, i, i === context.length - 1);
  58             }
  59           }
  60         } else {
  61           var priorKey = undefined;
  62
  63           for (var key in context) {
  64             if (context.hasOwnProperty(key)) {
  65               // We're running the iterations one step out of sync so we can detect
  66               // the last iteration without have to scan the object twice and create
  67               // an itermediate keys array.
  68               if (priorKey !== undefined) {
  69                 execIteration(priorKey, i - 1);
  70               }
  71               priorKey = key;
  72               i++;
  73             }
  74           }
  75           if (priorKey !== undefined) {
  76             execIteration(priorKey, i - 1, true);
  77           }
  78         }
  79       }
  80
  81       if (i === 0) {
  82         ret = inverse(this);
  83       }
  84
  85       return ret;
  86     });
  87   };
  88 });
  89 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