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app/pods/classroom/timeline/controller.js

@@ -4,7 +4,7 @@ import { inject as service } from '@ember-decorators/service';
 import { computed }  from '@ember-decorators/object';
 
 export default class TimelineController extends Controller {
-    queryParams = ['showFeedback']
+    queryParams = ['showFeedback','preserveScrollPosition']
     showFeedback = false
 
     @service api

app/pods/classroom/timeline/template.hbs

@@ -68,19 +68,19 @@
   </div>
 </div>
 <div class="tab-nav">
-  {{link-to 'Overview' 'classroom.timeline.overview' class="tab-items" tagName="div"}}
+  {{link-to 'Overview' 'classroom.timeline.overview' (query-params preserveScrollPosition=true) class="tab-items" tagName="div"}}
   {{#link-to 'classroom.timeline.overview' class="tab-icons" tagName="div"}}
     <img src="/images/menu-white.svg" alt="Overview">
   {{/link-to}}
-  {{link-to 'Course Content' 'classroom.timeline.contents'class="tab-items" tagName="div"}}
+  {{link-to 'Course Content' 'classroom.timeline.contents' (query-params preserveScrollPosition=true) class="tab-items" tagName="div"}}
   {{#link-to 'classroom.timeline.contents'class="tab-icons" tagName="div"}}
     <img src="/images/docs-white.svg" alt="Course Content">
   {{/link-to}}
-  {{link-to 'Announcements' 'classroom.timeline.announcements'class="tab-items" tagName="div"}}
+  {{link-to 'Announcements' 'classroom.timeline.announcements' (query-params preserveScrollPosition=true) class="tab-items" tagName="div"}}
   {{#link-to 'classroom.timeline.announcements'class="tab-icons" tagName="div"}}
   <img src="/images/announcement-white.svg" alt="Announcements">
   {{/link-to}}
-  {{link-to 'Ask Your Doubts' 'classroom.timeline.doubts' class="tab-items" tagName="div"}}
+  {{link-to 'Ask Your Doubts' 'classroom.timeline.doubts' (query-params preserveScrollPosition=true) class="tab-items" tagName="div"}}
   {{#link-to 'classroom.timeline.doubts' class="tab-icons" tagName="div"}}
     <img src="/images/support-white.svg" alt="Ask Your Doubts">
   {{/link-to}}

app/router.js

@@ -1,8 +1,9 @@
 import EmberRouter from '@ember/routing/router';
+import RouterScroll from 'ember-router-scroll';
 import config from './config/environment';
 import googlePageview from './mixins/google-pageview';
 
-const Router = EmberRouter.extend(googlePageview, {
+const Router = EmberRouter.extend(googlePageview, RouterScroll,{
   location: config.locationType,
   rootURL: config.rootURL
 });

config/environment.js

@@ -6,7 +6,8 @@ module.exports = function(environment) {
     podModulePrefix: 'codingblocks-online/pods',
     environment: environment,
     rootURL: '/',
-    locationType: 'auto',
+    locationType: 'router-scroll',
+    historySupportMiddleware: true,
     'ember-simple-auth-token': {
       identificationField: 'code',
       passwordField: 'code',
@@ -139,4 +140,4 @@ module.exports = function(environment) {
 };
 
 
-// 341997496266637
+// 341997496266637

package.json

@@ -60,6 +60,7 @@
     "ember-monaco": "^1.0.2",
     "ember-qunit": "^3.4.1",
     "ember-resolver": "^5.0.1",
+    "ember-router-scroll": "^1.1.0",
     "ember-simple-auth": "^1.4.2",
     "ember-simple-auth-token": "git+https://github.com/abhishek97/ember-simple-auth-token.git",
     "ember-source": "~3.8.0",

yarn.lock

@@ -1368,6 +1368,141 @@
   dependencies:
     "@types/estree" "*"
 
+"@types/ember@^3.1.0":
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/@types/ember/-/ember-3.1.0.tgz#3c44b846c41a1340bc823910f9222746585b3314"
+  integrity sha512-RHP/N7k81XIS16DLF/yTfnWEKdFFftRAUgjWO1oKNJ5ho3+iTH3vVq8u11PrhaHd+FHXNB1XKV20d5o1KEOnUQ==
+  dependencies:
+    "@types/ember__application" "*"
+    "@types/ember__array" "*"
+    "@types/ember__component" "*"
+    "@types/ember__controller" "*"
+    "@types/ember__debug" "*"
+    "@types/ember__engine" "*"
+    "@types/ember__error" "*"
+    "@types/ember__object" "*"
+    "@types/ember__polyfills" "*"
+    "@types/ember__routing" "*"
+    "@types/ember__runloop" "*"
+    "@types/ember__service" "*"
+    "@types/ember__string" "*"
+    "@types/ember__test" "*"
+    "@types/ember__utils" "*"
+    "@types/htmlbars-inline-precompile" "*"
+    "@types/jquery" "*"
+    "@types/rsvp" "*"
+
+"@types/ember__application@*":
+  version "3.0.7"
+  resolved "https://registry.yarnpkg.com/@types/ember__application/-/ember__application-3.0.7.tgz#8a34f6d75661256d6d6859dcdde848bdd3bea47e"
+  integrity sha512-7M5Oba1u9fQ1rLs/LeyHqDhnMAqJJF+K2HBBYkbPkD8hf+DR8Ae5PvWXgHwjAmiiWe559zJcapCqawPgzMw8lg==
+  dependencies:
+    "@types/ember__application" "*"
+    "@types/ember__engine" "*"
+    "@types/ember__object" "*"
+    "@types/ember__routing" "*"
+
+"@types/ember__array@*":
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/@types/ember__array/-/ember__array-3.0.4.tgz#6b04b9188da1c315d808304c989a6e7ed24d7ad3"
+  integrity sha512-WPqytL1qOKoNpcY3eHKp8f7lejTGFyiySAH+yPhXMX1X2F6Y8nkCQGmmTQ9W9+nYQbyVlA3SCXqd1uTzCEOLjg==
+  dependencies:
+    "@types/ember__array" "*"
+    "@types/ember__object" "*"
+
+"@types/ember__component@*":
+  version "3.0.5"
+  resolved "https://registry.yarnpkg.com/@types/ember__component/-/ember__component-3.0.5.tgz#ae0a64d53ec3bff7a100347fac52320cba068c22"
+  integrity sha512-pGDNR2OkPjNIcpdV/XEtzU/yE5n+vzRcYHtUCaA7dn0qoMAAiMPkJjeNMGkWQIv1q+aLyXvjiV9elcP2i1HA9g==
+  dependencies:
+    "@types/ember__component" "*"
+    "@types/ember__object" "*"
+    "@types/jquery" "*"
+
+"@types/ember__controller@*":
+  version "3.0.6"
+  resolved "https://registry.yarnpkg.com/@types/ember__controller/-/ember__controller-3.0.6.tgz#dbfbc1480a4584efb719746b3562636398bf6261"
+  integrity sha512-flwfLteYs8/kSo759PYMEvKESbANIdUHhj05Gxv1aEvqQnpzNiGYTol32USO6XWi13Ui7MyxdFiWS06dj9NwMQ==
+  dependencies:
+    "@types/ember__object" "*"
+
+"@types/ember__debug@*":
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/@types/ember__debug/-/ember__debug-3.0.4.tgz#cdf87a580688a0e3053820eff6f390fbb7ba0e80"
+  integrity sha512-jTdLdNGvDn3MhktfskhdxOaDHO09QtQqeh+krI7EDePl2+Xom+KnNeveFeCkzxDkYOa+/R7UNSxW4yN/3YTw3w==
+  dependencies:
+    "@types/ember__debug" "*"
+    "@types/ember__engine" "*"
+    "@types/ember__object" "*"
+
+"@types/ember__engine@*":
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/@types/ember__engine/-/ember__engine-3.0.4.tgz#7e79d72653f5c7fd9f6d828d32540be372128aca"
+  integrity sha512-DfbM0iKgF8mvthZwshDgYn8H1BZQJOk42X5b183K7vbkaye49seeTnPDelrVRRnlMXH6BA6OHAghY92axwVLzw==
+  dependencies:
+    "@types/ember__engine" "*"
+    "@types/ember__object" "*"
+
+"@types/ember__error@*":
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/@types/ember__error/-/ember__error-3.0.3.tgz#73e5d9f05212d7965e7c2f4df39abdbf5ea41ab1"
+  integrity sha512-P1+YLJJ9xzc8w5mKYtXsrS070MOTjsNeoGoEHnj7nO5IfeyC34yTHdceW9hoBMRLZs2tZ+cjElUNdR1kxpl+oA==
+
+"@types/ember__object@*":
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/@types/ember__object/-/ember__object-3.1.1.tgz#ea0a8313fc80ac5af4826190da3e688d72f02d58"
+  integrity sha512-VQk38Dqiz0fVNt4RIrxyIanDqCFYDZB6QPHzdMjnjQSGeEHh130B+lFECtNQrO1V9czXzm588qpIBdPp9N2H9g==
+  dependencies:
+    "@types/ember__object" "*"
+    "@types/rsvp" "*"
+
+"@types/ember__polyfills@*":
+  version "3.0.5"
+  resolved "https://registry.yarnpkg.com/@types/ember__polyfills/-/ember__polyfills-3.0.5.tgz#8f2c97b42f089afed53b4c137a6d7bbf4f7aa12e"
+  integrity sha512-yffc3Alk/Z12LwpRXvchcqrmou5fo37wZMoFiAOiqBYzJO3JL9gcYcrYuwg0eBdR/EwOr3aUeE8S+XAqXx3pIQ==
+
+"@types/ember__routing@*":
+  version "3.0.9"
+  resolved "https://registry.yarnpkg.com/@types/ember__routing/-/ember__routing-3.0.9.tgz#3387d4f60b1ea3211d96e8bb9700129125c95538"
+  integrity sha512-E78LjdZB55Ayw0mSrFYNBxDLR6AhtuFL6JkSpySQuGmfcmEcywwlK1XDxEI5j92pMuUAZdKXaPfpOIkA0Vk0yg==
+  dependencies:
+    "@types/ember__component" "*"
+    "@types/ember__controller" "*"
+    "@types/ember__object" "*"
+    "@types/ember__routing" "*"
+    "@types/ember__service" "*"
+
+"@types/ember__runloop@*":
+  version "3.0.5"
+  resolved "https://registry.yarnpkg.com/@types/ember__runloop/-/ember__runloop-3.0.5.tgz#7101cc0d5b06d2b578a34ce4b9e8355d9061ac71"
+  integrity sha512-9K5P0HgP5XxOzZqovsSU5iZfn2czpNMCbA9b1NLhDMdfPqySu7Ow3x0pJIj46hmRuaA2P3f/6PrXIlgsOB0fFQ==
+  dependencies:
+    "@types/ember__runloop" "*"
+
+"@types/ember__service@*":
+  version "3.0.5"
+  resolved "https://registry.yarnpkg.com/@types/ember__service/-/ember__service-3.0.5.tgz#6e566ae03eb26ec16ea6cc84e9cc190d926b791b"
+  integrity sha512-mThqrHMYVGSvsLRwJRWW0HV2DJ9WwLxiC13kSffhRqAKjQfeyq6ELoGtbXXMY3ri/nnGQJ6MVYY142s7AWdT/A==
+  dependencies:
+    "@types/ember__object" "*"
+
+"@types/ember__string@*":
+  version "3.0.6"
+  resolved "https://registry.yarnpkg.com/@types/ember__string/-/ember__string-3.0.6.tgz#79b10b0fc0136a9c86536bc55cbd18cae9a9bd3b"
+  integrity sha512-VBKH8nR/uK2tlr9eob8Nl+0cKP62GNtFWqq4PVGusnBMPFktGley1gsUhqNYJ9G3y2mvVfikicxM2/bE5AMYLA==
+
+"@types/ember__test@*":
+  version "3.0.5"
+  resolved "https://registry.yarnpkg.com/@types/ember__test/-/ember__test-3.0.5.tgz#8435b9b3caa5b97a9057d8f4e922c20f2279f93f"
+  integrity sha512-7F45zVSaM1hqXtv0bTMOLwgvATPfAGsnvU5CmMdUpuLBHRnOIe5HDAx0s1Yr4I318IAT5LgAX180dIJmXs1/+g==
+  dependencies:
+    "@types/ember__application" "*"
+
+"@types/ember__utils@*":
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/@types/ember__utils/-/ember__utils-3.0.2.tgz#d4c32007d0c84c95faa9221a1582b87ac3b1b4f3"
+  integrity sha512-d6fswmNDozslgUk+0DfC1oG0vD8R5ivvrEe0t3BuWSnF+TVyYhj24KZINecpBySg/4RODCg2IVV1GeRsimqzkg==
+
 "@types/estree@*", "@types/[email protected]":
   version "0.0.39"
   resolved "https://registry.yarnpkg.com/@types/estree/-/estree-0.0.39.tgz#e177e699ee1b8c22d23174caaa7422644389509f"
@@ -1387,6 +1522,18 @@
     "@types/minimatch" "*"
     "@types/node" "*"
 
+"@types/htmlbars-inline-precompile@*":
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/@types/htmlbars-inline-precompile/-/htmlbars-inline-precompile-1.0.1.tgz#de564513fabb165746aecd76369c87bd85e5bbb4"
+  integrity sha512-sVD2e6QAAHW0Y6Btse+tTA9k9g0iKm87wjxRsgZRU5EwSooz80tenbV+fA+f2BI2g0G2CqxsS1rIlwQCtPRQow==
+
+"@types/jquery@*":
+  version "3.3.29"
+  resolved "https://registry.yarnpkg.com/@types/jquery/-/jquery-3.3.29.tgz#680a2219ce3c9250483722fccf5570d1e2d08abd"
+  integrity sha512-FhJvBninYD36v3k6c+bVk1DSZwh7B5Dpb/Pyk3HKVsiohn0nhbefZZ+3JXbWQhFyt0MxSl2jRDdGQPHeOHFXrQ==
+  dependencies:
+    "@types/sizzle" "*"
+
 "@types/minimatch@*", "@types/minimatch@^3.0.3":
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/@types/minimatch/-/minimatch-3.0.3.tgz#3dca0e3f33b200fc7d1139c0cd96c1268cadfd9d"
@@ -1402,6 +1549,16 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-9.6.44.tgz#70bb8b5fab1f9e461c2a46a5a4fedfe3af6e2f87"
   integrity sha512-hR+jK4kSOX+u5aQ6Zj6az5N4l1AeXH37/sOenbgxJvkO450C5qQL4/1twdufIMLC3o3hNfJNrPfQn0ivMdKfPg==
 
+"@types/rsvp@*", "@types/rsvp@^4.0.2":
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/@types/rsvp/-/rsvp-4.0.2.tgz#bf9f72eaa6771292638a85bb8ce1db97e754b371"
+  integrity sha512-48ZwxFD1hdBj8QMOSNGA2kYuo3+SKh8OEYh5cMi7cPRZXBF9jwVPV4yqA7EcJTNlAJL0v99pEUYetl0TsufMQA==
+
+"@types/sizzle@*":
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/@types/sizzle/-/sizzle-2.3.2.tgz#a811b8c18e2babab7d542b3365887ae2e4d9de47"
+  integrity sha512-7EJYyKTL7tFR8+gDbB6Wwz/arpGa0Mywk1TJbNzKzHtzbwVmY4HR9WqS5VV7dsBUKQmPNr192jHr/VpBluj/hg==
+
 "@types/tmp@^0.0.33":
   version "0.0.33"
   resolved "https://registry.yarnpkg.com/@types/tmp/-/tmp-0.0.33.tgz#1073c4bc824754ae3d10cfab88ab0237ba964e4d"
@@ -4593,6 +4750,17 @@ ember-ajax@^4.0.1:
     ember-cli-babel "^6.16.0"
     najax "^1.0.3"
 
+ember-app-scheduler@^1.0.5:
+  version "1.0.8"
+  resolved "https://registry.yarnpkg.com/ember-app-scheduler/-/ember-app-scheduler-1.0.8.tgz#37adacce2fa5ab59324e2c0b08f3c4a3568025b4"
+  integrity sha512-fYCOhQTLb1b+TZ2PBSqyvHXVAxf7qfWD0ZSJTd/IdU/xbLJSt34X75w7qK2uBHZCkVvCNm/ATW3pjFC/0zYk7A==
+  dependencies:
+    "@types/ember" "^3.1.0"
+    "@types/rsvp" "^4.0.2"
+    ember-cli-babel "^7.1.3"
+    ember-cli-typescript "^2.0.0"
+    ember-compatibility-helpers "^1.1.2"
+
 ember-asset-loader@^0.4.3:
   version "0.4.3"
   resolved "https://registry.yarnpkg.com/ember-asset-loader/-/ember-asset-loader-0.4.3.tgz#cb59e1d0631f71046fc6e043a78337fea7f4c0a2"
@@ -4950,6 +5118,24 @@ ember-cli-test-loader@^2.2.0:
   dependencies:
     ember-cli-babel "^6.8.1"
 
+ember-cli-typescript@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/ember-cli-typescript/-/ember-cli-typescript-2.0.1.tgz#9c46729213b9e1d13f5c3ff8421d772134aa889e"
+  integrity sha512-xwSEQOUNM621Wt+XJWpbLhBIeqC/dM1lDS+oZQ2nSjxp4MLZkpKuiVBqdbBWcURbvv8ghoVQPfy8wYU4JIFkLA==
+  dependencies:
+    "@babel/plugin-proposal-class-properties" "^7.1.0"
+    "@babel/plugin-transform-typescript" "^7.1.0"
+    ansi-to-html "^0.6.6"
+    debug "^4.0.0"
+    ember-cli-babel-plugin-helpers "^1.0.0"
+    execa "^1.0.0"
+    fs-extra "^7.0.0"
+    resolve "^1.5.0"
+    rsvp "^4.8.1"
+    semver "^6.0.0"
+    stagehand "^1.0.0"
+    walk-sync "^1.0.0"
+
 ember-cli-typescript@^2.0.0-beta.2:
   version "2.0.0-rc.2"
   resolved "https://registry.yarnpkg.com/ember-cli-typescript/-/ember-cli-typescript-2.0.0-rc.2.tgz#d8253097279ed292c20e739ee72f8fb994dbb6b7"
@@ -5457,6 +5643,16 @@ ember-router-generator@^1.2.3:
   dependencies:
     recast "^0.11.3"
 
+ember-router-scroll@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/ember-router-scroll/-/ember-router-scroll-1.1.0.tgz#17f7ead22a4e9f43a8956d942ca37b5e507bada5"
+  integrity sha512-1eFbmsfY/DN95/3zhrMZSTGFavwtgWf7HrfM7SFipu/+Dn7w8Y5dWtqbk/hqE8FTDMiklFR52VcjTHEffRu0sw==
+  dependencies:
+    ember-app-scheduler "^1.0.5"
+    ember-cli-babel "^7.1.2"
+    ember-compatibility-helpers "^1.1.2"
+    ember-getowner-polyfill "^2.2.0"
+
 ember-runtime-enumerable-includes-polyfill@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/ember-runtime-enumerable-includes-polyfill/-/ember-runtime-enumerable-includes-polyfill-2.1.0.tgz#dc6d4a028471e4acc350dfd2a149874fb20913f5"
@@ -10681,6 +10877,11 @@ scss-tokenizer@^0.2.3:
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.6.0.tgz#7e74256fbaa49c75aa7c7a205cc22799cac80004"
   integrity sha512-RS9R6R35NYgQn++fkDWaOmqGoj4Ek9gGs+DPxNUZKuwE183xjJroKvyo1IzVFeXvUrvmALy6FWD5xrdJT25gMg==
 
+semver@^6.0.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-6.1.0.tgz#e95dc415d45ecf03f2f9f83b264a6b11f49c0cca"
+  integrity sha512-kCqEOOHoBcFs/2Ccuk4Xarm/KiWRSLEX9CAZF8xkJ6ZPlIoTZ8V5f7J16vYLJqDbR7KrxTJpR2lqjIEm2Qx9cQ==
+
 semver@~5.3.0:
   version "5.3.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.3.0.tgz#9b2ce5d3de02d17c6012ad326aa6b4d0cf54f94f"