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//! Utility module to generate a GraphQL Playground interface

/// Generate the HTML source to show a GraphQL Playground interface
// source: https://github.com/prisma/graphql-playground/blob/master/packages/graphql-playground-html/withAnimation.html
pub fn playground_source(
    graphql_endpoint_url: &str,
    subscriptions_endpoint_url: Option<&str>,
) -> String {
    let subscriptions_endpoint = if let Some(sub_url) = subscriptions_endpoint_url {
        sub_url
    } else {
        graphql_endpoint_url
    };

    r##"
<!DOCTYPE html>

<html>

<head>
  <meta charset=utf-8 />
  <meta name="viewport" content="user-scalable=no, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, minimal-ui">
  <title>GraphQL Playground</title>
  <link rel="stylesheet" href="//cdn.jsdelivr.net/npm/graphql-playground-react@1.7.26/build/static/css/index.css" />
  <link rel="shortcut icon" href="//cdn.jsdelivr.net/npm/graphql-playground-react@1.7.26/build/favicon.png" />
  <script src="//cdn.jsdelivr.net/npm/graphql-playground-react@1.7.26/build/static/js/middleware.js"></script>

</head>

<body>
  <style type="text/css">
    html {
      font-family: "Open Sans", sans-serif;
      overflow: hidden;
    }

    body {
      margin: 0;
      background: #172a3a;
    }

    .playgroundIn {
      -webkit-animation: playgroundIn 0.5s ease-out forwards;
      animation: playgroundIn 0.5s ease-out forwards;
    }

    @-webkit-keyframes playgroundIn {
      from {
        opacity: 0;
        -webkit-transform: translateY(10px);
        -ms-transform: translateY(10px);
        transform: translateY(10px);
      }
      to {
        opacity: 1;
        -webkit-transform: translateY(0);
        -ms-transform: translateY(0);
        transform: translateY(0);
      }
    }

    @keyframes playgroundIn {
      from {
        opacity: 0;
        -webkit-transform: translateY(10px);
        -ms-transform: translateY(10px);
        transform: translateY(10px);
      }
      to {
        opacity: 1;
        -webkit-transform: translateY(0);
        -ms-transform: translateY(0);
        transform: translateY(0);
      }
    }
  </style>

  <style type="text/css">
    .fadeOut {
      -webkit-animation: fadeOut 0.5s ease-out forwards;
      animation: fadeOut 0.5s ease-out forwards;
    }

    @-webkit-keyframes fadeIn {
      from {
        opacity: 0;
        -webkit-transform: translateY(-10px);
        -ms-transform: translateY(-10px);
        transform: translateY(-10px);
      }
      to {
        opacity: 1;
        -webkit-transform: translateY(0);
        -ms-transform: translateY(0);
        transform: translateY(0);
      }
    }

    @keyframes fadeIn {
      from {
        opacity: 0;
        -webkit-transform: translateY(-10px);
        -ms-transform: translateY(-10px);
        transform: translateY(-10px);
      }
      to {
        opacity: 1;
        -webkit-transform: translateY(0);
        -ms-transform: translateY(0);
        transform: translateY(0);
      }
    }

    @-webkit-keyframes fadeOut {
      from {
        opacity: 1;
        -webkit-transform: translateY(0);
        -ms-transform: translateY(0);
        transform: translateY(0);
      }
      to {
        opacity: 0;
        -webkit-transform: translateY(-10px);
        -ms-transform: translateY(-10px);
        transform: translateY(-10px);
      }
    }

    @keyframes fadeOut {
      from {
        opacity: 1;
        -webkit-transform: translateY(0);
        -ms-transform: translateY(0);
        transform: translateY(0);
      }
      to {
        opacity: 0;
        -webkit-transform: translateY(-10px);
        -ms-transform: translateY(-10px);
        transform: translateY(-10px);
      }
    }

    @-webkit-keyframes appearIn {
      from {
        opacity: 0;
        -webkit-transform: translateY(0px);
        -ms-transform: translateY(0px);
        transform: translateY(0px);
      }
      to {
        opacity: 1;
        -webkit-transform: translateY(0);
        -ms-transform: translateY(0);
        transform: translateY(0);
      }
    }

    @keyframes appearIn {
      from {
        opacity: 0;
        -webkit-transform: translateY(0px);
        -ms-transform: translateY(0px);
        transform: translateY(0px);
      }
      to {
        opacity: 1;
        -webkit-transform: translateY(0);
        -ms-transform: translateY(0);
        transform: translateY(0);
      }
    }

    @-webkit-keyframes scaleIn {
      from {
        -webkit-transform: scale(0);
        -ms-transform: scale(0);
        transform: scale(0);
      }
      to {
        -webkit-transform: scale(1);
        -ms-transform: scale(1);
        transform: scale(1);
      }
    }

    @keyframes scaleIn {
      from {
        -webkit-transform: scale(0);
        -ms-transform: scale(0);
        transform: scale(0);
      }
      to {
        -webkit-transform: scale(1);
        -ms-transform: scale(1);
        transform: scale(1);
      }
    }

    @-webkit-keyframes innerDrawIn {
      0% {
        stroke-dashoffset: 70;
      }
      50% {
        stroke-dashoffset: 140;
      }
      100% {
        stroke-dashoffset: 210;
      }
    }

    @keyframes innerDrawIn {
      0% {
        stroke-dashoffset: 70;
      }
      50% {
        stroke-dashoffset: 140;
      }
      100% {
        stroke-dashoffset: 210;
      }
    }

    @-webkit-keyframes outerDrawIn {
      0% {
        stroke-dashoffset: 76;
      }
      100% {
        stroke-dashoffset: 152;
      }
    }

    @keyframes outerDrawIn {
      0% {
        stroke-dashoffset: 76;
      }
      100% {
        stroke-dashoffset: 152;
      }
    }

    .hHWjkv {
      -webkit-transform-origin: 0px 0px;
      -ms-transform-origin: 0px 0px;
      transform-origin: 0px 0px;
      -webkit-transform: scale(0);
      -ms-transform: scale(0);
      transform: scale(0);
      -webkit-animation: scaleIn 0.25s linear forwards 0.2222222222222222s;
      animation: scaleIn 0.25s linear forwards 0.2222222222222222s;
    }

    .gCDOzd {
      -webkit-transform-origin: 0px 0px;
      -ms-transform-origin: 0px 0px;
      transform-origin: 0px 0px;
      -webkit-transform: scale(0);
      -ms-transform: scale(0);
      transform: scale(0);
      -webkit-animation: scaleIn 0.25s linear forwards 0.4222222222222222s;
      animation: scaleIn 0.25s linear forwards 0.4222222222222222s;
    }

    .hmCcxi {
      -webkit-transform-origin: 0px 0px;
      -ms-transform-origin: 0px 0px;
      transform-origin: 0px 0px;
      -webkit-transform: scale(0);
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      transform: scale(0);
      -webkit-animation: scaleIn 0.25s linear forwards 0.6222222222222222s;
      animation: scaleIn 0.25s linear forwards 0.6222222222222222s;
    }

    .eHamQi {
      -webkit-transform-origin: 0px 0px;
      -ms-transform-origin: 0px 0px;
      transform-origin: 0px 0px;
      -webkit-transform: scale(0);
      -ms-transform: scale(0);
      transform: scale(0);
      -webkit-animation: scaleIn 0.25s linear forwards 0.8222222222222223s;
      animation: scaleIn 0.25s linear forwards 0.8222222222222223s;
    }

    .byhgGu {
      -webkit-transform-origin: 0px 0px;
      -ms-transform-origin: 0px 0px;
      transform-origin: 0px 0px;
      -webkit-transform: scale(0);
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      transform: scale(0);
      -webkit-animation: scaleIn 0.25s linear forwards 1.0222222222222221s;
      animation: scaleIn 0.25s linear forwards 1.0222222222222221s;
    }

    .llAKP {
      -webkit-transform-origin: 0px 0px;
      -ms-transform-origin: 0px 0px;
      transform-origin: 0px 0px;
      -webkit-transform: scale(0);
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      transform: scale(0);
      -webkit-animation: scaleIn 0.25s linear forwards 1.2222222222222223s;
      animation: scaleIn 0.25s linear forwards 1.2222222222222223s;
    }

    .bglIGM {
      -webkit-transform-origin: 64px 28px;
      -ms-transform-origin: 64px 28px;
      transform-origin: 64px 28px;
      -webkit-transform: scale(0);
      -ms-transform: scale(0);
      transform: scale(0);
      -webkit-animation: scaleIn 0.25s linear forwards 0.2222222222222222s;
      animation: scaleIn 0.25s linear forwards 0.2222222222222222s;
    }

    .ksxRII {
      -webkit-transform-origin: 95.98500061035156px 46.510000228881836px;
      -ms-transform-origin: 95.98500061035156px 46.510000228881836px;
      transform-origin: 95.98500061035156px 46.510000228881836px;
      -webkit-transform: scale(0);
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      transform: scale(0);
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      animation: scaleIn 0.25s linear forwards 0.4222222222222222s;
    }

    .cWrBmb {
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      animation: scaleIn 0.25s linear forwards 0.6222222222222222s;
    }

    .Wnusb {
      -webkit-transform-origin: 64px 101.97999572753906px;
      -ms-transform-origin: 64px 101.97999572753906px;
      transform-origin: 64px 101.97999572753906px;
      -webkit-transform: scale(0);
      -ms-transform: scale(0);
      transform: scale(0);
      -webkit-animation: scaleIn 0.25s linear forwards 0.8222222222222223s;
      animation: scaleIn 0.25s linear forwards 0.8222222222222223s;
    }

    .bfPqf {
      -webkit-transform-origin: 32.03982162475586px 83.4900016784668px;
      -ms-transform-origin: 32.03982162475586px 83.4900016784668px;
      transform-origin: 32.03982162475586px 83.4900016784668px;
      -webkit-transform: scale(0);
      -ms-transform: scale(0);
      transform: scale(0);
      -webkit-animation: scaleIn 0.25s linear forwards 1.0222222222222221s;
      animation: scaleIn 0.25s linear forwards 1.0222222222222221s;
    }

    .edRCTN {
      -webkit-transform-origin: 32.033552169799805px 46.510000228881836px;
      -ms-transform-origin: 32.033552169799805px 46.510000228881836px;
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      -webkit-transform: scale(0);
      -ms-transform: scale(0);
      transform: scale(0);
      -webkit-animation: scaleIn 0.25s linear forwards 1.2222222222222223s;
      animation: scaleIn 0.25s linear forwards 1.2222222222222223s;
    }

    .iEGVWn {
      opacity: 0;
      stroke-dasharray: 76;
      -webkit-animation: outerDrawIn 0.5s ease-out forwards 0.3333333333333333s, appearIn 0.1s ease-out forwards 0.3333333333333333s;
      animation: outerDrawIn 0.5s ease-out forwards 0.3333333333333333s, appearIn 0.1s ease-out forwards 0.3333333333333333s;
      -webkit-animation-iteration-count: 1, 1;
      animation-iteration-count: 1, 1;
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    .bsocdx {
      opacity: 0;
      stroke-dasharray: 76;
      -webkit-animation: outerDrawIn 0.5s ease-out forwards 0.5333333333333333s, appearIn 0.1s ease-out forwards 0.5333333333333333s;
      animation: outerDrawIn 0.5s ease-out forwards 0.5333333333333333s, appearIn 0.1s ease-out forwards 0.5333333333333333s;
      -webkit-animation-iteration-count: 1, 1;
      animation-iteration-count: 1, 1;
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      stroke-dasharray: 76;
      -webkit-animation: outerDrawIn 0.5s ease-out forwards 0.7333333333333334s, appearIn 0.1s ease-out forwards 0.7333333333333334s;
      animation: outerDrawIn 0.5s ease-out forwards 0.7333333333333334s, appearIn 0.1s ease-out forwards 0.7333333333333334s;
      -webkit-animation-iteration-count: 1, 1;
      animation-iteration-count: 1, 1;
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    .hSeArx {
      opacity: 0;
      stroke-dasharray: 76;
      -webkit-animation: outerDrawIn 0.5s ease-out forwards 0.9333333333333333s, appearIn 0.1s ease-out forwards 0.9333333333333333s;
      animation: outerDrawIn 0.5s ease-out forwards 0.9333333333333333s, appearIn 0.1s ease-out forwards 0.9333333333333333s;
      -webkit-animation-iteration-count: 1, 1;
      animation-iteration-count: 1, 1;
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      opacity: 0;
      stroke-dasharray: 76;
      -webkit-animation: outerDrawIn 0.5s ease-out forwards 1.1333333333333333s, appearIn 0.1s ease-out forwards 1.1333333333333333s;
      animation: outerDrawIn 0.5s ease-out forwards 1.1333333333333333s, appearIn 0.1s ease-out forwards 1.1333333333333333s;
      -webkit-animation-iteration-count: 1, 1;
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    }

    .hEFqBt {
      opacity: 0;
      stroke-dasharray: 76;
      -webkit-animation: outerDrawIn 0.5s ease-out forwards 1.3333333333333333s, appearIn 0.1s ease-out forwards 1.3333333333333333s;
      animation: outerDrawIn 0.5s ease-out forwards 1.3333333333333333s, appearIn 0.1s ease-out forwards 1.3333333333333333s;
      -webkit-animation-iteration-count: 1, 1;
      animation-iteration-count: 1, 1;
    }

    .dzEKCM {
      opacity: 0;
      stroke-dasharray: 70;
      -webkit-animation: innerDrawIn 1s ease-in-out forwards 1.3666666666666667s, appearIn 0.1s linear forwards 1.3666666666666667s;
      animation: innerDrawIn 1s ease-in-out forwards 1.3666666666666667s, appearIn 0.1s linear forwards 1.3666666666666667s;
      -webkit-animation-iteration-count: infinite, 1;
      animation-iteration-count: infinite, 1;
    }

    .DYnPx {
      opacity: 0;
      stroke-dasharray: 70;
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      animation: innerDrawIn 1s ease-in-out forwards 1.5333333333333332s, appearIn 0.1s linear forwards 1.5333333333333332s;
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    .hjPEAQ {
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      -webkit-animation-iteration-count: infinite, 1;
      animation-iteration-count: infinite, 1;
    }

    #loading-wrapper {
      position: absolute;
      width: 100vw;
      height: 100vh;
      display: -webkit-box;
      display: -webkit-flex;
      display: -ms-flexbox;
      display: flex;
      -webkit-align-items: center;
      -webkit-box-align: center;
      -ms-flex-align: center;
      align-items: center;
      -webkit-box-pack: center;
      -webkit-justify-content: center;
      -ms-flex-pack: center;
      justify-content: center;
      -webkit-flex-direction: column;
      -ms-flex-direction: column;
      flex-direction: column;
    }

    .logo {
      width: 75px;
      height: 75px;
      margin-bottom: 20px;
      opacity: 0;
      -webkit-animation: fadeIn 0.5s ease-out forwards;
      animation: fadeIn 0.5s ease-out forwards;
    }

    .text {
      font-size: 32px;
      font-weight: 200;
      text-align: center;
      color: rgba(255, 255, 255, 0.6);
      opacity: 0;
      -webkit-animation: fadeIn 0.5s ease-out forwards;
      animation: fadeIn 0.5s ease-out forwards;
    }

    .dGfHfc {
      font-weight: 400;
    }
  </style>
  <div id="loading-wrapper">
    <svg class="logo" viewBox="0 0 128 128" xmlns:xlink="http://www.w3.org/1999/xlink">
      <title>GraphQL Playground Logo</title>
      <defs>
        <linearGradient id="linearGradient-1" x1="4.86%" x2="96.21%" y1="0%" y2="99.66%">
          <stop stop-color="#E00082" stop-opacity=".8" offset="0%"></stop>
          <stop stop-color="#E00082" offset="100%"></stop>
        </linearGradient>
      </defs>
      <g>
        <rect id="Gradient" width="127.96" height="127.96" y="1" fill="url(#linearGradient-1)" rx="4"></rect>
        <path id="Border" fill="#E00082" fill-rule="nonzero" d="M4.7 2.84c-1.58 0-2.86 1.28-2.86 2.85v116.57c0 1.57 1.28 2.84 2.85 2.84h116.57c1.57 0 2.84-1.26 2.84-2.83V5.67c0-1.55-1.26-2.83-2.83-2.83H4.67zM4.7 0h116.58c3.14 0 5.68 2.55 5.68 5.7v116.58c0 3.14-2.54 5.68-5.68 5.68H4.68c-3.13 0-5.68-2.54-5.68-5.68V5.68C-1 2.56 1.55 0 4.7 0z"></path>
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    </svg>
    <div class="text">Loading
      <span class="dGfHfc">GraphQL Playground</span>
    </div>
  </div>

  <div id="root" />
  <script type="text/javascript">
    window.addEventListener('load', function (event) {

      const loadingWrapper = document.getElementById('loading-wrapper');
      loadingWrapper.classList.add('fadeOut');


      const root = document.getElementById('root');
      root.classList.add('playgroundIn');

      GraphQLPlayground.init(root, { endpoint: 'JUNIPER_GRAPHQL_URL', subscriptionEndpoint: 'JUNIPER_SUBSCRIPTIONS_URL' })
    })
  </script>
</body>
</html>
  "##.replace("JUNIPER_GRAPHQL_URL", graphql_endpoint_url)
     .replace("JUNIPER_SUBSCRIPTIONS_URL", subscriptions_endpoint)
}