What if there isn’t?

Transcript

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2. 01 What if there isn’t?! Surma @surmair +PolymerProject @Polymer 2

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4. 4 +PolymerProject @Polymer <google-map> <google-youtube> <firebase-collection> <?>

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6. +PolymerProject @Polymer 6 <template is="dom-bind"> <reddit-api posts="{{posts}}" sorting="{{sorting}}" subreddit="{{subreddit}}"></reddit-api> <paper-input

   value="{{subreddit::change}}"></ paper-input> <paper-radio-group selected="{{sorting}}"> <!-- ... --> </paper-radio-group> <template is="dom-repeat" items="[[posts]]"> <a class=“post” href="[[item.link]]">[[item.title]]</a> </template> </template>

7. +PolymerProject @Polymer 7 <template is="dom-bind"> <reddit-api posts="{{posts}}" sorting="{{sorting}}" subreddit="{{subreddit}}"></reddit-api> <paper-input

   value="{{subreddit::change}}"></ paper-input> <paper-radio-group selected="{{sorting}}"> <!-- ... --> </paper-radio-group> <template is="dom-repeat" items="[[posts]]"> <a class=“post” href="[[item.link]]">[[item.title]]</a> </template> </template>

8. +PolymerProject @Polymer 8 <dom-module id="reddit-api"> <template> <iron-jsonp-library notify-event="data" on-data="_newData" library-url="[[_requestUrl]]"

   ></iron-jsonp-library> </template> <!-- … --> </dom-module>

9. +PolymerProject @Polymer 9 <script> Polymer({ is: 'reddit-api', properties: { subreddit:

   { type: String, reflectToAttribute: true, notify: true }, // ... }); </script>

10. +PolymerProject @Polymer 10 <script> Polymer({ is: 'reddit-api', properties: { sorting:

    { type: String, reflectToAttribute: true, notify: true }, // ... }); </script>

11. +PolymerProject @Polymer 11 <script> Polymer({ is: 'reddit-api', properties: { posts:

    { type: Array, readOnly: true, value: function() { return []; }, notify: true }, // ... }); </script>

12. +PolymerProject @Polymer 12 <script> Polymer({ is: 'reddit-api', properties: { baseUrl:

    { type: String, value: 'https://api.reddit.com', notify: true }, // ... }); </script>

13. +PolymerProject @Polymer 13 <script> Polymer({ is: 'reddit-api', properties: { _requestUrl:

    { type: String, computed: '_computeUrl(baseUrl, subreddit, sorting)', notify: true }, // ... }); </script>

14. +PolymerProject @Polymer 14 <script> Polymer({ is: 'reddit-api', _computeUrl: function(baseUrl, subreddit,

    sorting) { return baseUrl + subreddit + '/' + sorting + '?jsonp=%%callback%%'; }, </script>

15. +PolymerProject @Polymer 15 <dom-module id="reddit-api"> <template> <iron-jsonp-library notify-event="data" on-data="_newData" library-url="[[_requestUrl]]"

    ></iron-jsonp-library> </template> <!-- … --> </dom-module>

16. +PolymerProject @Polymer 16 <script> Polymer({ is: 'reddit-api', _newData: function(ev) {

    this._setPosts( ev.detail[0].data.children. map(function(post) { return { title: post.data.title, link: post.data.url }; })); } }); </script>

17. +PolymerProject @Polymer 17 <template is="dom-bind"> <reddit-api posts="{{posts}}" sorting="{{sorting}}" subreddit="{{subreddit}}"></reddit-api> <paper-input

    value="{{subreddit::change}}"></ paper-input> <paper-radio-group selected="{{sorting}}"> <!-- ... --> </paper-radio-group> <template is="dom-repeat" items="[[posts]]"> <a class=“post” href="[[item.link]]">[[item.title]]</a> </template> </template>

18. +PolymerProject @Polymer 18 <template is="dom-bind"> <reddit-api posts="{{posts}}" sorting="{{sorting}}" subreddit="{{subreddit}}"></reddit-api> <paper-input

    value="{{subreddit::change}}"></ paper-input> <paper-radio-group selected="{{sorting}}"> <!-- ... --> </paper-radio-group> <template is="dom-repeat" items="[[posts]]"> <a class=“post” href="[[item.link]]">[[item.title]]</a> </template> </template>

19. +PolymerProject @Polymer 19 <paper-radio-group selected="{{sorting}}"> <paper-radio-button name="hot"> </paper- radio-button> <paper-radio-button

    name="new">✨ </paper- radio-button> <paper-radio-button name="controversial"> </ paper-radio-button> </paper-radio-group>

20. +PolymerProject @Polymer 20 <template is="dom-bind"> <reddit-api posts="{{posts}}" sorting="{{sorting}}" subreddit="{{subreddit}}"></reddit-api> <paper-input

    value="{{subreddit::change}}"></ paper-input> <paper-radio-group selected="{{sorting}}"> <!-- ... --> </paper-radio-group> <template is="dom-repeat" items="[[posts]]"> <a class=“post” href="[[item.link]]">[[item.title]]</a> </template> </template>

21. +PolymerProject @Polymer 21 <template is="dom-bind"> <reddit-api posts="{{posts}}" sorting="{{sorting}}" subreddit="{{subreddit}}"></reddit-api> <paper-input

    value="{{subreddit::change}}"></ paper-input> <paper-radio-group selected="{{sorting}}"> <!-- ... --> </paper-radio-group> <template is="dom-repeat" items="[[posts]]"> <a class=“post” href="[[item.link]]">[[item.title]]</a> </template> </template>

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24. +PolymerProject @Polymer 24 <platinum-sw-register skip-waiting clients-claim auto-register state="{{state}}" on-service-worker-error="swError" on-service-worker-updated="swUpdated"

    on-service-worker-installed="swInstalled"> <!-- … one or more <platinum-sw-*> … --> </platinum-sw-register>

25. +PolymerProject @Polymer 25 <platinum-sw-import-script href="custom-fetch-handler.js"> </platinum-sw-import-script> <platinum-sw-fetch handler="customFetchHandler" path="/(.*)/customFetch"> </platinum-sw-fetch>

26. +PolymerProject @Polymer 26 _constructServiceWorkerUrl: function() { var paramsPromises = [];

    var cs = Polymer.dom(this).children; for (var i = 0; i < cs; i++) { if (typeof cs[i]._getParameters === 'function') { var params = cs[i]._getParameters(); paramsPromises.push(params); } } }

27. +PolymerProject @Polymer 27 return Promise.all(paramsPromises). then(function(paramsResolutions) { var params =

    {} paramsResolutions. forEach(function(childParams) { Object.keys(childParams). forEach(/* merge into params */); }); })

28. +PolymerProject @Polymer 28 var serviceWorkerUrl = new URL(this.href, window.location); serviceWorkerUrl.search

    = Object.keys(params).sort() .map(function(key) { return encodeURIComponent(key) + "=" + encodeURIComponent(params[key]); }).join('&'); navigator.serviceWorker .register(serviceWorkerUrl, { scope: this.scope }).then(...);

29. 01 Surma @surmair +PolymerProject @Polymer 29 https://elements.polymer-project.org/ https://github.com/PolymerElements /platinum-sw /platinum-push-messaging

    https://github.com/GoogleWebComponents /firebase-element /google-map /...