1 | import { Injectable, InjectionToken, Injector } from '@angular/core';
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2 | import { NgModuleLoader } from './ng-module-loader';
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3 | import { requestIonicCallback } from './util';
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4 | export var LAZY_LOADED_TOKEN = new InjectionToken('LZYCMP');
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5 |
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6 |
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7 |
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8 | var ModuleLoader = (function () {
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9 | function ModuleLoader(_ngModuleLoader, _injector) {
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10 | this._ngModuleLoader = _ngModuleLoader;
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11 | this._injector = _injector;
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12 |
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13 | this._cfrMap = new Map();
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14 | this._promiseMap = new Map();
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15 | }
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16 | ModuleLoader.prototype.load = function (modulePath) {
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17 | var _this = this;
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18 | (void 0) ;
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19 | var splitString = modulePath.split(SPLITTER);
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20 | var promise = this._promiseMap.get(modulePath);
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21 | if (!promise) {
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22 | promise = this._ngModuleLoader.load(splitString[0], splitString[1]);
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23 | this._promiseMap.set(modulePath, promise);
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24 | }
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25 | return promise.then(function (loadedModule) {
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26 | (void 0) ;
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27 | var ref = loadedModule.create(_this._injector);
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28 | var component = ref.injector.get(LAZY_LOADED_TOKEN);
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29 | _this._cfrMap.set(component, ref.componentFactoryResolver);
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30 | return {
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31 | componentFactoryResolver: ref.componentFactoryResolver,
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32 | component: component
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33 | };
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34 | });
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35 | };
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36 | ModuleLoader.prototype.getComponentFactoryResolver = function (component) {
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37 | return this._cfrMap.get(component);
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38 | };
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39 | ModuleLoader.decorators = [
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40 | { type: Injectable },
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41 | ];
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42 |
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43 | ModuleLoader.ctorParameters = function () { return [
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44 | { type: NgModuleLoader, },
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45 | { type: Injector, },
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46 | ]; };
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47 | return ModuleLoader;
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48 | }());
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49 | export { ModuleLoader };
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50 | var SPLITTER = '#';
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51 |
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52 |
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53 |
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54 | export function provideModuleLoader(ngModuleLoader, injector) {
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55 | return new ModuleLoader(ngModuleLoader, injector);
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56 | }
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57 |
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58 |
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59 |
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60 | export function setupPreloadingImplementation(config, deepLinkConfig, moduleLoader) {
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61 | if (!deepLinkConfig || !deepLinkConfig.links || !config.getBoolean('preloadModules')) {
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62 | return Promise.resolve();
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63 | }
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64 | var linksToLoad = deepLinkConfig.links.filter(function (link) { return !!link.loadChildren && link.priority !== 'off'; });
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65 |
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66 | var highPriorityPromises = linksToLoad
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67 | .filter(function (link) { return link.priority === 'high'; })
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68 | .map(function (link) { return moduleLoader.load(link.loadChildren); });
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69 | return Promise.all(highPriorityPromises).then(function () {
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70 |
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71 | var lowPriorityPromises = linksToLoad
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72 | .filter(function (link) { return link.priority === 'low'; })
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73 | .map(function (link) { return moduleLoader.load(link.loadChildren); });
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74 | return Promise.all(lowPriorityPromises);
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75 | }).catch(function (err) {
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76 | console.error(err.message);
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77 | });
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78 | }
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79 |
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80 |
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81 |
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82 | export function setupPreloading(config, deepLinkConfig, moduleLoader, ngZone) {
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83 | return function () {
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84 | requestIonicCallback(function () {
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85 | ngZone.runOutsideAngular(function () {
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86 | setupPreloadingImplementation(config, deepLinkConfig, moduleLoader);
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87 | });
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88 | });
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89 | };
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90 | }
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91 |
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