1 | ;
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2 |
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3 | var _ = require('lodash');
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4 |
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5 | /**
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6 | * Yield block if any object within a collection matches supplied predicate
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7 | *
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8 | * @example
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9 | * {{#any items selected=true}} ... {{/any}}
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10 | */
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11 | function helper(paper) {
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12 | paper.handlebars.registerHelper('any', function () {
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13 |
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14 | var args = [],
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15 | opts,
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16 | predicate,
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17 | any;
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18 |
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19 | // Translate arguments to array safely
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20 | for (var i = 0; i < arguments.length; i++) {
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21 | args.push(arguments[i]);
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22 | }
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23 |
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24 | // Take the last argument (content) out of testing array
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25 | opts = args.pop();
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26 | predicate = opts.hash;
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27 |
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28 | if (!_.isEmpty(predicate)) {
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29 | // With options hash, we check the contents of first argument
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30 | any = _.any(args[0], predicate);
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31 | } else {
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32 | // DEPRECATED: Moved to #or helper
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33 | // Without options hash, we check all the arguments
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34 | any = _.any(args, function (arg) {
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35 | if (_.isArray(arg)) {
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36 | return !!arg.length;
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37 | }
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38 | // If an empty object is passed, arg is false
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39 | else if (_.isEmpty(arg) && _.isObject(arg)) {
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40 | return false;
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41 | }
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42 | // Everything else
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43 | else {
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44 | return !!arg;
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45 | }
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46 | });
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47 | }
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48 |
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49 | if (any) {
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50 | return opts.fn(this);
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51 | }
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52 |
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53 | return opts.inverse(this);
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54 | });
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55 | }
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56 |
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57 | module.exports = helper;
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