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#106: work in progress: refactoring monitor.ex, introducing the streaming_hello_monitor.ex and the insights application to make the internal data structures of the driver visible
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.gitignore

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# The directory Mix will write compiled artifacts to.
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/_build/
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**/_build/
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# If you run "mix test --cover", coverage assets end up here.
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/cover/
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# The directory Mix downloads your dependencies sources to.
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/deps/
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**/deps/
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# Where third-party dependencies like ExDoc output generated docs.
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/doc/
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*.code-workspace
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data/
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plt_core_path/*.plt
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**/stream_data/

insights/.formatter.exs

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[
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import_deps: [:ecto, :phoenix],
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inputs: ["*.{ex,exs}", "priv/*/seeds.exs", "{config,lib,test}/**/*.{ex,exs}"],
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subdirectories: ["priv/*/migrations"]
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]

insights/.gitignore

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# The directory Mix will write compiled artifacts to.
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/_build/
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# If you run "mix test --cover", coverage assets end up here.
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/cover/
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# The directory Mix downloads your dependencies sources to.
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/deps/
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# Where 3rd-party dependencies like ExDoc output generated docs.
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/doc/
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# Ignore .fetch files in case you like to edit your project deps locally.
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/.fetch
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# If the VM crashes, it generates a dump, let's ignore it too.
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erl_crash.dump
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# Also ignore archive artifacts (built via "mix archive.build").
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*.ez
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# Ignore package tarball (built via "mix hex.build").
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insights-*.tar
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# Ignore assets that are produced by build tools.
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/priv/static/assets/
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# Ignore digested assets cache.
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/priv/static/cache_manifest.json
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# In case you use Node.js/npm, you want to ignore these.
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npm-debug.log
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/assets/node_modules/
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insights/README.md

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# Insights
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To start your Phoenix server:
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* Install dependencies with `mix deps.get`
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* Create and migrate your database with `mix ecto.setup`
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* Start Phoenix endpoint with `mix phx.server` or inside IEx with `iex -S mix phx.server`
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Now you can visit [`localhost:4000`](http://localhost:4000) from your browser.
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Ready to run in production? Please [check our deployment guides](https://hexdocs.pm/phoenix/deployment.html).
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## Learn more
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* Official website: https://www.phoenixframework.org/
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* Guides: https://hexdocs.pm/phoenix/overview.html
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* Docs: https://hexdocs.pm/phoenix
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* Forum: https://elixirforum.com/c/phoenix-forum
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* Source: https://github.com/phoenixframework/phoenix

insights/assets/css/app.css

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/* This file is for your main application CSS */
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@import "./bootstrap.min.css";
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.list-group.stripes .list-group-item {
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color: #212529;
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}
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.list-group.stripes .list-group-item:nth-child(even) {
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background-color: #f7fbfe;
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}
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.list-group.stripes .list-group-item:nth-child(odd) {
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background-color: #edf5fe;
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}
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.list-group.stripes a.list-group-item {
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text-decoration: none;
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}
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.list-group.stripes a.list-group-item:nth-child(even):hover {
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background-color: #d7ebfa;
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}
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.list-group.stripes a.list-group-item:nth-child(odd):hover {
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background-color: #cbe2fc;
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}
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.list-group.stripes .list-group-item {
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color: #212529;
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}
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.list-group.stripes .list-group-item:nth-child(even) {
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background-color: #f7fbfe;
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}
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.list-group.stripes .list-group-item:nth-child(odd) {
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background-color: #edf5fe;
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}
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.list-group.stripes a.list-group-item {
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text-decoration: none;
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}
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.list-group.stripes a.list-group-item:nth-child(even):hover {
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background-color: #d7ebfa;
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}
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.list-group.stripes a.list-group-item:nth-child(odd):hover {
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background-color: #cbe2fc;
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}
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.separator {
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height: 5px;
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background-color: rgba(0, 0, 0, 0.125) !important;
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border-bottom: 0;
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padding: 0;
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}
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/* Alerts and form errors used by phx.new */
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.alert {
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padding: 15px;
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margin-bottom: 20px;
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border: 1px solid transparent;
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border-radius: 4px;
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}
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.alert-info {
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color: #31708f;
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background-color: #d9edf7;
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border-color: #bce8f1;
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}
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.alert-warning {
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color: #8a6d3b;
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background-color: #fcf8e3;
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border-color: #faebcc;
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}
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.alert-danger {
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color: #a94442;
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background-color: #f2dede;
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border-color: #ebccd1;
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}
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.alert p {
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margin-bottom: 0;
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}
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.alert:empty {
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display: none;
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}
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.invalid-feedback {
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color: #a94442;
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display: block;
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margin: -1rem 0 2rem;
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}
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/* LiveView specific classes for your customization */
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.phx-no-feedback.invalid-feedback,
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.phx-no-feedback .invalid-feedback {
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display: none;
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}
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.phx-click-loading {
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opacity: 0.5;
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transition: opacity 1s ease-out;
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}
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.phx-loading{
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cursor: wait;
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}
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.phx-modal {
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opacity: 1!important;
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position: fixed;
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z-index: 1;
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left: 0;
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top: 0;
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width: 100%;
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height: 100%;
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overflow: auto;
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background-color: rgba(0,0,0,0.4);
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}
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.phx-modal-content {
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background-color: #fefefe;
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margin: 15vh auto;
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padding: 20px;
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border: 1px solid #888;
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width: 80%;
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}
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.phx-modal-close {
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color: #aaa;
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float: right;
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font-size: 28px;
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font-weight: bold;
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}
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.phx-modal-close:hover,
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.phx-modal-close:focus {
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color: black;
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text-decoration: none;
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cursor: pointer;
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}
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.fade-in-scale {
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animation: 0.2s ease-in 0s normal forwards 1 fade-in-scale-keys;
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}
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.fade-out-scale {
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animation: 0.2s ease-out 0s normal forwards 1 fade-out-scale-keys;
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}
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.fade-in {
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animation: 0.2s ease-out 0s normal forwards 1 fade-in-keys;
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}
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.fade-out {
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animation: 0.2s ease-out 0s normal forwards 1 fade-out-keys;
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}
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@keyframes fade-in-scale-keys{
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0% { scale: 0.95; opacity: 0; }
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100% { scale: 1.0; opacity: 1; }
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}
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@keyframes fade-out-scale-keys{
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0% { scale: 1.0; opacity: 1; }
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100% { scale: 0.95; opacity: 0; }
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}
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@keyframes fade-in-keys{
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0% { opacity: 0; }
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100% { opacity: 1; }
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}
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@keyframes fade-out-keys{
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0% { opacity: 1; }
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100% { opacity: 0; }
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}

insights/assets/css/bootstrap.min.css

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insights/assets/css/phoenix.css

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/* Includes some default style for the starter application.
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* This can be safely deleted to start fresh.
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*/
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/* Milligram v1.4.1 https://milligram.github.io
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* Copyright (c) 2020 CJ Patoilo Licensed under the MIT license
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*/
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*,*:after,*:before{box-sizing:inherit}html{box-sizing:border-box;font-size:62.5%}body{color:#000000;font-family:'Helvetica Neue', 'Helvetica', 'Arial', sans-serif;font-size:1.6em;font-weight:300;letter-spacing:.01em;line-height:1.6}blockquote{border-left:0.3rem solid #d1d1d1;margin-left:0;margin-right:0;padding:1rem 1.5rem}blockquote *:last-child{margin-bottom:0}.button,button,input[type='button'],input[type='reset'],input[type='submit']{background-color:#0069d9;border:0.1rem solid #0069d9;border-radius:.4rem;color:#fff;cursor:pointer;display:inline-block;font-size:1.1rem;font-weight:700;height:3.8rem;letter-spacing:.1rem;line-height:3.8rem;padding:0 3.0rem;text-align:center;text-decoration:none;text-transform:uppercase;white-space:nowrap}.button:focus,.button:hover,button:focus,button:hover,input[type='button']:focus,input[type='button']:hover,input[type='reset']:focus,input[type='reset']:hover,input[type='submit']:focus,input[type='submit']:hover{background-color:#606c76;border-color:#606c76;color:#fff;outline:0}.button[disabled],button[disabled],input[type='button'][disabled],input[type='reset'][disabled],input[type='submit'][disabled]{cursor:default;opacity:.5}.button[disabled]:focus,.button[disabled]:hover,button[disabled]:focus,button[disabled]:hover,input[type='button'][disabled]:focus,input[type='button'][disabled]:hover,input[type='reset'][disabled]:focus,input[type='reset'][disabled]:hover,input[type='submit'][disabled]:focus,input[type='submit'][disabled]:hover{background-color:#0069d9;border-color:#0069d9}.button.button-outline,button.button-outline,input[type='button'].button-outline,input[type='reset'].button-outline,input[type='submit'].button-outline{background-color:transparent;color:#0069d9}.button.button-outline:focus,.button.button-outline:hover,button.button-outline:focus,button.button-outline:hover,input[type='button'].button-outline:focus,input[type='button'].button-outline:hover,input[type='reset'].button-outline:focus,input[type='reset'].button-outline:hover,input[type='submit'].button-outline:focus,input[type='submit'].button-outline:hover{background-color:transparent;border-color:#606c76;color:#606c76}.button.button-outline[disabled]:focus,.button.button-outline[disabled]:hover,button.button-outline[disabled]:focus,button.button-outline[disabled]:hover,input[type='button'].button-outline[disabled]:focus,input[type='button'].button-outline[disabled]:hover,input[type='reset'].button-outline[disabled]:focus,input[type='reset'].button-outline[disabled]:hover,input[type='submit'].button-outline[disabled]:focus,input[type='submit'].button-outline[disabled]:hover{border-color:inherit;color:#0069d9}.button.button-clear,button.button-clear,input[type='button'].button-clear,input[type='reset'].button-clear,input[type='submit'].button-clear{background-color:transparent;border-color:transparent;color:#0069d9}.button.button-clear:focus,.button.button-clear:hover,button.button-clear:focus,button.button-clear:hover,input[type='button'].button-clear:focus,input[type='button'].button-clear:hover,input[type='reset'].button-clear:focus,input[type='reset'].button-clear:hover,input[type='submit'].button-clear:focus,input[type='submit'].button-clear:hover{background-color:transparent;border-color:transparent;color:#606c76}.button.button-clear[disabled]:focus,.button.button-clear[disabled]:hover,button.button-clear[disabled]:focus,button.button-clear[disabled]:hover,input[type='button'].button-clear[disabled]:focus,input[type='button'].button-clear[disabled]:hover,input[type='reset'].button-clear[disabled]:focus,input[type='reset'].button-clear[disabled]:hover,input[type='submit'].button-clear[disabled]:focus,input[type='submit'].button-clear[disabled]:hover{color:#0069d9}code{background:#f4f5f6;border-radius:.4rem;font-size:86%;margin:0 .2rem;padding:.2rem .5rem;white-space:nowrap}pre{background:#f4f5f6;border-left:0.3rem solid #0069d9;overflow-y:hidden}pre>code{border-radius:0;display:block;padding:1rem 1.5rem;white-space:pre}hr{border:0;border-top:0.1rem solid #f4f5f6;margin:3.0rem 0}input[type='color'],input[type='date'],input[type='datetime'],input[type='datetime-local'],input[type='email'],input[type='month'],input[type='number'],input[type='password'],input[type='search'],input[type='tel'],input[type='text'],input[type='url'],input[type='week'],input:not([type]),textarea,select{-webkit-appearance:none;background-color:transparent;border:0.1rem solid #d1d1d1;border-radius:.4rem;box-shadow:none;box-sizing:inherit;height:3.8rem;padding:.6rem 1.0rem .7rem;width:100%}input[type='color']:focus,input[type='date']:focus,input[type='datetime']:focus,input[type='datetime-local']:focus,input[type='email']:focus,input[type='month']:focus,input[type='number']:focus,input[type='password']:focus,input[type='search']:focus,input[type='tel']:focus,input[type='text']:focus,input[type='url']:focus,input[type='week']:focus,input:not([type]):focus,textarea:focus,select:focus{border-color:#0069d9;outline:0}select{background:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 30 8" width="30"><path fill="%23d1d1d1" d="M0,0l6,8l6-8"/></svg>') center right no-repeat;padding-right:3.0rem}select:focus{background-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 30 8" width="30"><path fill="%230069d9" d="M0,0l6,8l6-8"/></svg>')}select[multiple]{background:none;height:auto}textarea{min-height:6.5rem}label,legend{display:block;font-size:1.6rem;font-weight:700;margin-bottom:.5rem}fieldset{border-width:0;padding:0}input[type='checkbox'],input[type='radio']{display:inline}.label-inline{display:inline-block;font-weight:normal;margin-left:.5rem}.container{margin:0 auto;max-width:112.0rem;padding:0 2.0rem;position:relative;width:100%}.row{display:flex;flex-direction:column;padding:0;width:100%}.row.row-no-padding{padding:0}.row.row-no-padding>.column{padding:0}.row.row-wrap{flex-wrap:wrap}.row.row-top{align-items:flex-start}.row.row-bottom{align-items:flex-end}.row.row-center{align-items:center}.row.row-stretch{align-items:stretch}.row.row-baseline{align-items:baseline}.row .column{display:block;flex:1 1 auto;margin-left:0;max-width:100%;width:100%}.row .column.column-offset-10{margin-left:10%}.row .column.column-offset-20{margin-left:20%}.row .column.column-offset-25{margin-left:25%}.row .column.column-offset-33,.row .column.column-offset-34{margin-left:33.3333%}.row .column.column-offset-40{margin-left:40%}.row .column.column-offset-50{margin-left:50%}.row .column.column-offset-60{margin-left:60%}.row .column.column-offset-66,.row .column.column-offset-67{margin-left:66.6666%}.row .column.column-offset-75{margin-left:75%}.row .column.column-offset-80{margin-left:80%}.row .column.column-offset-90{margin-left:90%}.row .column.column-10{flex:0 0 10%;max-width:10%}.row .column.column-20{flex:0 0 20%;max-width:20%}.row .column.column-25{flex:0 0 25%;max-width:25%}.row .column.column-33,.row .column.column-34{flex:0 0 33.3333%;max-width:33.3333%}.row .column.column-40{flex:0 0 40%;max-width:40%}.row .column.column-50{flex:0 0 50%;max-width:50%}.row .column.column-60{flex:0 0 60%;max-width:60%}.row .column.column-66,.row .column.column-67{flex:0 0 66.6666%;max-width:66.6666%}.row .column.column-75{flex:0 0 75%;max-width:75%}.row .column.column-80{flex:0 0 80%;max-width:80%}.row .column.column-90{flex:0 0 90%;max-width:90%}.row .column .column-top{align-self:flex-start}.row .column .column-bottom{align-self:flex-end}.row .column .column-center{align-self:center}@media (min-width: 40rem){.row{flex-direction:row;margin-left:-1.0rem;width:calc(100% + 2.0rem)}.row .column{margin-bottom:inherit;padding:0 1.0rem}}a{color:#0069d9;text-decoration:none}a:focus,a:hover{color:#606c76}dl,ol,ul{list-style:none;margin-top:0;padding-left:0}dl dl,dl ol,dl ul,ol dl,ol ol,ol ul,ul dl,ul ol,ul ul{font-size:90%;margin:1.5rem 0 1.5rem 3.0rem}ol{list-style:decimal inside}ul{list-style:circle inside}.button,button,dd,dt,li{margin-bottom:1.0rem}fieldset,input,select,textarea{margin-bottom:1.5rem}blockquote,dl,figure,form,ol,p,pre,table,ul{margin-bottom:2.5rem}table{border-spacing:0;display:block;overflow-x:auto;text-align:left;width:100%}td,th{border-bottom:0.1rem solid #e1e1e1;padding:1.2rem 1.5rem}td:first-child,th:first-child{padding-left:0}td:last-child,th:last-child{padding-right:0}@media (min-width: 40rem){table{display:table;overflow-x:initial}}b,strong{font-weight:bold}p{margin-top:0}h1,h2,h3,h4,h5,h6{font-weight:300;letter-spacing:-.1rem;margin-bottom:2.0rem;margin-top:0}h1{font-size:4.6rem;line-height:1.2}h2{font-size:3.6rem;line-height:1.25}h3{font-size:2.8rem;line-height:1.3}h4{font-size:2.2rem;letter-spacing:-.08rem;line-height:1.35}h5{font-size:1.8rem;letter-spacing:-.05rem;line-height:1.5}h6{font-size:1.6rem;letter-spacing:0;line-height:1.4}img{max-width:100%}.clearfix:after{clear:both;content:' ';display:table}.float-left{float:left}.float-right{float:right}
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/* General style */
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h1{font-size: 3.6rem; line-height: 1.25}
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h2{font-size: 2.8rem; line-height: 1.3}
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h3{font-size: 2.2rem; letter-spacing: -.08rem; line-height: 1.35}
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h4{font-size: 1.8rem; letter-spacing: -.05rem; line-height: 1.5}
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h5{font-size: 1.6rem; letter-spacing: 0; line-height: 1.4}
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h6{font-size: 1.4rem; letter-spacing: 0; line-height: 1.2}
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pre{padding: 1em;}
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.container{
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margin: 0 auto;
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max-width: 80.0rem;
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padding: 0 2.0rem;
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position: relative;
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width: 100%
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}
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select {
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width: auto;
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}
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/* Phoenix promo and logo */
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.phx-hero {
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text-align: center;
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border-bottom: 1px solid #e3e3e3;
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background: #eee;
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border-radius: 6px;
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padding: 3em 3em 1em;
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margin-bottom: 3rem;
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font-weight: 200;
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font-size: 120%;
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}
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.phx-hero input {
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background: #ffffff;
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}
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.phx-logo {
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min-width: 300px;
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margin: 1rem;
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display: block;
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}
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.phx-logo img {
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width: auto;
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display: block;
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}
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/* Headers */
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header {
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width: 100%;
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background: #fdfdfd;
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border-bottom: 1px solid #eaeaea;
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margin-bottom: 2rem;
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}
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header section {
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align-items: center;
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display: flex;
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flex-direction: column;
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justify-content: space-between;
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}
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header section :first-child {
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order: 2;
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}
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header section :last-child {
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order: 1;
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}
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header nav ul,
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header nav li {
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margin: 0;
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padding: 0;
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display: block;
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text-align: right;
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white-space: nowrap;
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}
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header nav ul {
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margin: 1rem;
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margin-top: 0;
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}
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header nav a {
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display: block;
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}
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@media (min-width: 40.0rem) { /* Small devices (landscape phones, 576px and up) */
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header section {
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flex-direction: row;
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}
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header nav ul {
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margin: 1rem;
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}
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.phx-logo {
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flex-basis: 527px;
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margin: 2rem 1rem;
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}
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}

insights/assets/js/app.js

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// We import the CSS which is extracted to its own file by esbuild.
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// Remove this line if you add a your own CSS build pipeline (e.g postcss).
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import "../css/app.css"
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// If you want to use Phoenix channels, run `mix help phx.gen.channel`
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// to get started and then uncomment the line below.
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// import "./user_socket.js"
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// You can include dependencies in two ways.
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//
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// The simplest option is to put them in assets/vendor and
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// import them using relative paths:
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//
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// import "../vendor/some-package.js"
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//
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// Alternatively, you can `npm install some-package --prefix assets` and import
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// them using a path starting with the package name:
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//
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// import "some-package"
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//
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// Include phoenix_html to handle method=PUT/DELETE in forms and buttons.
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import "phoenix_html"
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// Establish Phoenix Socket and LiveView configuration.
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import {Socket} from "phoenix"
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import {LiveSocket} from "phoenix_live_view"
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import topbar from "../vendor/topbar"
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let csrfToken = document.querySelector("meta[name='csrf-token']").getAttribute("content")
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let liveSocket = new LiveSocket("/live", Socket, {params: {_csrf_token: csrfToken}})
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// Show progress bar on live navigation and form submits
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topbar.config({barColors: {0: "#29d"}, shadowColor: "rgba(0, 0, 0, .3)"})
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window.addEventListener("phx:page-loading-start", info => topbar.show())
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window.addEventListener("phx:page-loading-stop", info => topbar.hide())
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// connect if there are any LiveViews on the page
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liveSocket.connect()
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// expose liveSocket on window for web console debug logs and latency simulation:
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// >> liveSocket.enableDebug()
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// >> liveSocket.enableLatencySim(1000) // enabled for duration of browser session
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// >> liveSocket.disableLatencySim()
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window.liveSocket = liveSocket
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