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7 |
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8 | (function (define) {
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9 | 'use strict';
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10 |
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11 | define(function (require) {
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12 |
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13 | var when, whenFn;
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14 |
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15 | when = require('when');
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16 | whenFn = require('when/function');
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17 |
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18 | |
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27 |
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28 | function lazyPromise(work) {
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29 | var defer, started, resolver, promise, then;
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30 |
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31 | defer = when.defer();
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32 | started = false;
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33 |
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34 | resolver = defer.resolver;
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35 | promise = defer.promise;
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36 | then = promise.then;
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37 |
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38 | promise.then = function () {
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39 | if (!started) {
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40 | started = true;
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41 | whenFn.apply(work).then(resolver.resolve, resolver.reject);
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42 | }
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43 | return then.apply(promise, arguments);
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44 | };
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45 |
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46 | return promise;
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47 | }
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48 |
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49 | return lazyPromise;
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50 |
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51 | });
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52 |
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53 | }(
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54 | typeof define === 'function' && define.amd ? define : function (factory) { module.exports = factory(require); }
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55 |
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56 | ));
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