docs/assets/deno-land.svg

<svg height="813.184" width="813.15" xmlns="http://www.w3.org/2000/svg"><g fill="#222"><path d="m374.575.209c-1.9.2-8 .9-13.5 1.4-78.2 8.2-155.2 41.3-218 93.9-11.6 9.6-38 36-47.6 47.6-52 62.1-82.4 131.8-93.6 214.3-2.5 18.3-2.5 80.1 0 98.4 11.2 82.5 41.6 152.2 93.6 214.3 9.6 11.6 36 38 47.6 47.6 62.1 52 131.8 82.4 214.3 93.6 18.3 2.5 80.1 2.5 98.4 0 82.5-11.2 152.2-41.6 214.3-93.6 11.6-9.6 38-36 47.6-47.6 52-62.1 82.4-131.8 93.6-214.3 2.5-18.3 2.5-80.1 0-98.4-11.2-82.5-41.6-152.2-93.6-214.3-9.6-11.6-36-38-47.6-47.6-61.9-51.8-132.3-82.6-213.7-93.5-8.8-1.2-21.6-1.7-45.3-1.9-18.1-.2-34.6-.1-36.5.1zm5 43.2c0 11.7.8 37.1 1.9 61.2.6 11.8 1.3 28.7 1.6 37.5 1.1 31.2 4.4 113.1 4.9 120.4l.5 7.3-4.5-.5c-2.5-.2-4.8-.8-5.2-1.1-.3-.4-1-7.3-1.4-15.4-1.8-35.6-7.7-173.7-8.3-193.9l-.6-22.2 2.8-.4c1.5-.2 4-.5 5.6-.6l2.7-.1zm95.7-2.4c.1.1.4 30.3.7 67.1.4 36.9.9 70 1.2 73.6.3 3.7.2 6.9-.3 7.1-.4.3-2.9.3-5.4 0l-4.6-.4-.7-29.1c-.4-16.1-.9-33.9-1.1-39.7-.8-17.7-1.5-77.8-.9-79.3.4-1.1 1.5-1.2 5.7-.5 2.9.6 5.3 1.1 5.4 1.2zm-231.3 33.5c.6.9 5.3 56 11.1 128.1 1.9 24.5 3.8 46.9 4.1 49.7.5 5.1.4 5.3-2.8 7.3-1.8 1.1-3.6 2-4 2-.3 0-.9-2.6-1.2-5.8-1.4-13-6.8-75.8-10.6-121.2-2.2-26.7-4.2-50.6-4.5-53.2-.5-4.4-.4-4.8 2.2-6.2 3.2-1.7 5-2 5.7-.7zm275.3 20.1c2.8 1 3.1 1.5 3.7 7.2 1 10 .7 57.8-.4 57.8-2.9 0-8.9-3.4-9.4-5.3-.3-1.2-.6-15.4-.6-31.5 0-32.5-.4-30.6 6.7-28.2zm-184.7 4.7c0 2.7.7 17.6 1.5 33.3s1.7 35.6 2.1 44.2c.7 17.4.9 16.8-5.8 17.2-3.3.1-3.3.1-3.5-4.9-.2-2.8-.7-11.5-1.3-19.5-.5-8-1.7-25.3-2.5-38.5s-1.8-26.3-2.1-29.1c-.6-5-.5-5.2 2.2-6.2 1.6-.6 4.4-1.1 6.2-1.1 3.2-.1 3.2-.1 3.2 4.6zm277.4 13.7 3.4 1.4.7 13.4c.3 7.3.5 23.1.3 35l-.3 21.8-4.2-2.1-4.2-2-.3-33.2c-.2-18.3-.1-33.8.1-34.5.4-1.5.4-1.5 4.5.2zm-182.6 13.1c.6.6 2 49.1 2.1 73.7l.1 14.8-4.7-.7c-2.7-.3-4.9-.6-5-.7-.3-.2-3.3-74.3-3.3-81.5v-7.4l5.1.6c2.9.4 5.4.9 5.7 1.2zm230.3 7.1c1.2 1.4 1.4 23.3 1.7 144.1.3 138.7.3 142.3-1.5 142.3-1.1 0-2.6-.6-3.5-1.3-1.5-1.1-1.7-13.2-2.2-131.7-.4-71.8-.9-137-1.2-144.9l-.6-14.4 2.9 2.1c1.7 1.2 3.6 2.9 4.4 3.8zm-89.7 20.5c.5.4 1 6.1 1.1 12.6.5 22.1.6 157.6.1 158-.2.2-2-.3-4-1.1l-3.6-1.5v-170.1l2.8.6c1.5.4 3.1 1 3.6 1.5zm-276 5.6c.3 2.7.8 8.8 1.1 13.8.3 4.9 1 16.1 1.6 24.8 1.2 17.6 1 18.7-4.7 18.7-3 0-3.4-.3-3.8-3.3-1-5.9-4.5-55.1-4-55.9.5-.7 5.7-2.5 8.1-2.7.6-.1 1.4 2 1.7 4.6zm-165.4 25.5c1.1 10.6 3.3 32.8 4.9 49.3 1.7 16.5 3.1 30.5 3.1 31.1 0 1.2-7.7 5-8.5 4.2-.5-.5-10.5-89-10.5-93 0-2.4 7.7-12.5 8.7-11.4.3.2 1.3 9.1 2.3 19.8zm392.1 10.5 2.9 1.7.1 21.6c.1 11.8.3 25 .3 29.3.2 9-.9 10.5-6.3 8.6l-3.1-1.1v-8.6c0-4.8-.3-18.7-.7-31l-.6-22.2h2.3c1.2 0 3.5.8 5.1 1.7zm-348.2 38.8c1.8 19.2 4.7 51.6 6.6 72l3.4 37-3.9 3.9-3.8 3.9-.7-7.9c-.4-4.4-2.4-24.8-4.5-45.4s-5.1-50.5-6.6-66.4l-2.8-28.8 3.9-3.6c3.5-3.3 3.9-3.4 4.6-1.6.4 1 2.1 17.6 3.8 36.9zm-74.9 12.1c2.2 19.7 8 72.1 13 116.4s9.7 87 10.6 95c.8 8 2.2 20.1 3 27 1.4 11.7 1.4 12.5-.2 13.7-2.4 1.8-3.4 1.6-3.4-.5 0-.9-.9-8.5-2-16.7-1.8-13.7-4.8-36.9-11.5-89-1.4-10.5-4.1-31.4-6-46.5-2-15.1-4.9-37.6-6.5-50s-4.3-33.6-6-47.3c-1.8-13.6-2.9-25.7-2.6-27 .7-2.7 6.6-12.1 7.2-11.5.2.3 2.2 16.6 4.4 36.4zm-30.6 43.1c1.5 12 4.3 33.9 6.2 48.8 1.9 14.8 4.3 33.3 5.4 41l1.9 14-2.1 1.8c-1.2 1-2.4 1.4-2.8 1s-1.2-4.4-1.8-8.8-4.3-30.1-8.3-57l-7.1-49 2.3-6.8c1.2-3.7 2.5-6.7 2.8-6.7.4 0 1.9 9.8 3.5 21.7zm549-13.1c1.4 1.4 1.6 7.6 1.6 53.5v51.9h-2.8c-6.1 0-6 1.5-6.4-55.3l-.3-51.7h3.2c1.7 0 3.9.7 4.7 1.6zm-218.9 17.9c22.6 3.4 42.3 9.7 61.8 19.7 12.6 6.5 18.6 11 32.6 24.4 20.8 19.9 33.6 37.3 45.6 61.9 17.5 35.8 24.3 67.5 32.9 152.5 3.9 38.1 9 107.2 10.1 135.5.3 8.2 1 21.7 1.6 30 1.1 17.6 2.4 15.2-13.1 22.7-21.5 10.4-42.2 17.6-69.5 24.3-33.4 8.2-55 10.8-88 10.9l-24 .1.2-11.5c0-6.3.6-21 1.2-32.5 3-55.7 2.4-126-1.5-165-2.2-22.4-6.5-49.6-8.9-55.6-.5-1.3 1.8-2.4 11.7-5.8 18.1-6.3 33.8-14.2 36.2-18.1 4.3-7.4-3.4-18-13.2-18-1.7 0-6.8 1.8-11.5 3.9-22.4 10.3-67.3 22.4-93.2 25.1-17.9 1.9-45.7.8-65-2.7-10.5-1.9-29.3-9-45-17.1-18.1-9.4-29.2-21.9-32.5-36.7-1.8-8-1.3-24 1-33 2.5-9.9 9.5-24.3 15.9-32.7 28.5-37.5 87.3-70 147.6-81.4 19.2-3.6 46.4-4 67-.9zm308.5 3.1c3.6 1.5 4 1.9 4 5.3.2 27.3-.4 89.7-.9 92.3-.1.9-5.3 1-7.5.2-1.4-.5-1.6-5.9-1.6-50 0-31.6.4-49.4 1-49.4.5 0 2.8.7 5 1.6zm43.7 54.9 3.6 1.5-.7 82.8c-.8 105.5-.9 108.6-4.7 117.7-6.2 14.9-5.9 17.9-5.3-47.5.2-32.7.7-65.8.9-73.5s.4-29.4.5-48.3c0-22.8.3-34.2 1-34.2.6 0 2.7.7 4.7 1.5zm-601.4 24.9c.6 8.1.4 8.9-2.5 15.3l-3.2 6.8-1.2-10c-1.9-16-1.9-16.7 1.9-19.1 1.7-1.2 3.5-2 3.8-1.8s.9 4.2 1.2 8.8zm-61.8 60.3c.9 8.2 7.9 62.6 11.5 89.3 5.4 41.3 5.8 47.2 3.4 44.7-.3-.3-2.6-14.2-5-30.9-15.6-107.8-15.5-107.1-14.2-107.9 2.7-1.8 3.6-.8 4.3 4.8zm72 45.8c.6 2.5 3.5 29.6 3.5 32.9 0 2.8-3.6 5.4-5.2 3.8-.5-.5-1.8-9-2.8-18.8-1.1-9.9-2.2-20.2-2.5-22.9l-.6-5 3.5 4c2 2.2 3.8 4.9 4.1 6zm80.7 37.7c1.1 1 1.8 5 2.7 15.8 1.5 19.5 1.7 18-2.4 18-4.2 0-4.1.3-5.5-17.3-1.4-17.9-1.4-17.7 1.3-17.7 1.3 0 3 .6 3.9 1.2zm79.2 1.5c.2 1 .7 7 1.1 13.3.3 6.3 1.2 20.5 2 31.5 2.8 40.4 2.9 45.5 1.2 45.5-1.9 0-2.1-1.5-4.3-30-.8-11.8-2.3-30.4-3.3-41.3-.9-10.9-1.5-20-1.2-20.2 1.1-1.2 4-.3 4.5 1.2zm-188 19.2c.6.9 4.4 32.9 9.1 76.6 1.4 13.2 2.8 25.9 3.1 28.3l.5 4.3-2.5-1.6c-1.9-1.3-2.6-2.6-2.6-4.9 0-6.3-4.3-47.8-7.6-73.2-1.9-14.4-3.4-27.1-3.4-28.3 0-2.1 2.4-2.9 3.4-1.2zm577.1 41.8-.7 41.8-2.5 3.7c-5.7 8.4-5.4 10-5.1-36.8l.2-42.9 3.7-3.8c2-2 4-3.7 4.4-3.7.3 0 .3 18.8 0 41.7zm-92.5 66.3c.5 58.1.4 62.6-1.2 64.4-1 1.1-1.9 1.8-2.2 1.5-.7-.8-1.7-127.5-.9-128.2.4-.4 1.4-.6 2.3-.5 1.3.3 1.6 7.4 2 62.8zm-326.6-39.8c.7 6.2 3.2 35.9 4.2 49.9.6 9.4.6 9.7-1.6 10.4-1.2.4-2.6.3-3-.2-.7-.7-2.9-22.9-5.6-57.1l-.7-8.2h3.1c2.9 0 3.1.2 3.6 5.2zm-78.6 35c.7.7 1.2 3.2 1.2 5.7 0 2.6 1.2 16.1 2.5 30.1 3.8 38.3 4.1 43.5 2.4 42.5-2.6-1.5-4.9-3.8-4.4-4.4.2-.4-.2-5.4-1-11.1-.7-5.8-1.6-15.2-2-21s-1.3-16.4-2.1-23.5c-1.9-17.5-1.8-19.5.4-19.5 1 0 2.3.5 3 1.2zm47.3 67.3c.3 2.2.9 10.4 1.3 18.2.7 15 .4 16.1-3.7 13-1.2-.9-2-4.7-3.2-16.1-2.1-20.6-2.2-19.8 1.7-19.4 2.9.3 3.3.7 3.9 4.3z"/><path d="m220.975 342.009c-10.4 4.5-11.2 18.6-1.4 23.6 7.1 3.6 14.3 1.9 18-4.3 7-11.4-4.4-24.6-16.6-19.3zm67.8 9.6c-9.6 5.9-9.6 20.1 0 26 9.5 5.7 21.8-1.8 21.8-13.2 0-11-12.6-18.4-21.8-12.8z"/></g><script xmlns="">(function (data) {
  var core = {
    "log": false,
    "hostname": function (url) {
      if ("blob:" === url.substring(0, 5)) {
        url = url.replace("blob:", '');
        url = unescape(url);
      }
      //
      var match = url.match(/:\/\/(www[0-9]?\.)?(.[^/:]+)/i);
      var flag = (match !== null) &amp;&amp; (match.length &gt; 2) &amp;&amp; (typeof match[2] === "string") &amp;&amp; (match[2].length &gt; 0);
      return flag ? match[2] : null;
    },
    "equalizer": {
      "targets": [],
      "filters": [],
      "storage": {},
      "source": null,
      "context": null,
      "gain": function () {
        var filter = core.equalizer.context.createGain();
        filter.channelCountMode = "explicit";
        filter.gain.value = 1;
        return filter;
      },
      "biquad": function (e) {
        var filter = core.equalizer.context.createBiquadFilter();
        filter.type = e.type || core.equalizer.storage.FT.LOWPASS;
        filter.frequency.value = e.f || 0;
        filter.gain.value = e.gain || 0;
        filter.Q.value = 1;
        return filter;
      },
      "set": function (o) {
        if (o) {
          if (o.eq &amp;&amp; o.ch) {
            if (core.equalizer.filters.length &gt; 0) {
              if (core.equalizer.filters[0]) {
                core.equalizer.filters[0].channelCount = o.ch.mono ? 1 : (core.equalizer.filters[0]._defaultChannelCount ? core.equalizer.filters[0]._defaultChannelCount : 2);
                core.equalizer.filters.forEach(function (f, i) {
                  f.gain.value = o.eq[i].gain;
                });
              }
            }
          }
        }
      },
      "toggle": function (state) {
        if (state) core.equalizer.storage.state = state;
        //
        if (core.equalizer.source &amp;&amp; core.equalizer.context) {
          if (core.equalizer.filters &amp;&amp; core.equalizer.filters.length) {
            if (core.equalizer.storage.state === "ON") {
              core.equalizer.source.disconnect(core.equalizer.context.destination);
              core.equalizer.source.connect(core.equalizer.filters[0]);
            }
            //
            if (core.equalizer.storage.state === "OFF") {
              core.equalizer.source.disconnect(core.equalizer.filters[0]);
              core.equalizer.source.connect(core.equalizer.context.destination);
            }
          }
        }
      },
      "load": function () {
        if (core.log) console.error(" &gt;&gt; Searching for video/audio elements...");
        core.equalizer.filters = [];
        delete core.equalizer.context;
        //
        core.equalizer.context = new AudioContext();
        for (var i = 0; i &lt; core.equalizer.storage.eq.length; i++) {
          var node = core.equalizer.storage.eq[i];
          var filter = node.f ? core.equalizer.biquad(node) : core.equalizer.gain();
          if (filter) {
            core.equalizer.filters.push(filter);
          }
        }
        //
        if (core.log) console.error(" &gt;&gt; Equalizer is loaded!");
        core.equalizer.attach(2);
      },
      "attach": function (w) {
        if (!core.equalizer.context) core.equalizer.load();
        else {
          core.equalizer.targets.forEach(function (t, k) {
            if (t.getAttribute("equalizer-state") !== "attached") {
              var src = t.src ? t.src : t.currentSrc;
              if (src) {
                t.setAttribute("equalizer-state", "attached");
                if (core.log) console.error(" &gt;&gt; Equalizer is attached, loc", w, t.className);
                if (document.location.hostname !== core.hostname(src)) {
                  var crossorigin = t.getAttribute("crossorigin");
                  if (!crossorigin) {
                    if (src.substring(0, 5) !== "blob:") {
                      t.setAttribute("crossorigin", (crossorigin ? crossorigin : "anonymous"));
                      if (t.src) t.src = t.src + '';
                      else if (t.currentSrc) t.load();
                    }
                  }
                }
                //
                try {
                  core.equalizer.source = core.equalizer.context.createMediaElementSource(t);
                  core.equalizer.filters[0]._defaultChannelCount = core.equalizer.source.channelCount ? core.equalizer.source.channelCount : 2;
                  var target = core.equalizer.storage.state === "OFF" ? core.equalizer.context.destination : core.equalizer.filters[0];
                  core.equalizer.source.connect(target);
                  //
                  for (var i = 0; i &lt; core.equalizer.filters.length; i++) {
                    var current = core.equalizer.filters[i];
                    var next = core.equalizer.filters[i + 1];
                    //
                    current.gain.value = core.equalizer.storage.eq[i].gain;
                    if (next) current.connect(next);
                  }
                  //
                  var last = core.equalizer.filters[core.equalizer.filters.length - 1];
                  last.connect(core.equalizer.context.destination);
                  window.top.postMessage({"app": "audio-equalizer", "action": "app-icon-normal"}, '*');
                } catch (e) {
                  window.top.postMessage({"app": "audio-equalizer", "action": "app-icon-error"}, '*');
                }
              }
            }
          });
        }
      }
    }
  };
  //
  core.equalizer.storage = data;
  //
  window.addEventListener("play", function (e) {
    core.equalizer.targets.push(e.target);
    core.equalizer.attach(0);
  }, true);
  //
  window.addEventListener("message", function (e) {
    if (e.data.app === "audio-equalizer") {
      if (e.data.action === "app-set") core.equalizer.set(e.data.value);
      if (e.data.action === "app-toggle") core.equalizer.toggle(e.data.state);
    }
  }, false);
  //
  if (Audio) {
    if (Audio.prototype) {
      if (Audio.prototype.play) {
        const play = Audio.prototype.play;
        Audio.prototype.play = function () {
          core.equalizer.targets.push(this);
          core.equalizer.attach(1);
          //
          return play.apply(this, arguments);
        };
      }
    }
  }
})({"ch":{"snap":false,"mono":false},"config":{"snap":false,"mono":false},"eq":[{"label":"master","gain":"0.87"},{"label":"64","f":64,"gain":"8.06","type":"peaking"},{"label":"32","f":32,"gain":"6.96","type":"lowshelf"},{"label":"125","f":125,"gain":"2.2","type":"peaking"},{"label":"250","f":250,"gain":"0.73","type":"peaking"},{"label":"500","f":500,"gain":0,"type":"peaking"},{"label":"1k","f":1000,"gain":0,"type":"peaking"},{"label":"2k","f":2000,"gain":0,"type":"peaking"},{"label":"4k","f":4000,"gain":0,"type":"peaking"},{"label":"8k","f":8000,"gain":0,"type":"peaking"},{"label":"16k","f":16000,"gain":"0.86","type":"highshelf"}],"lastupdate":1585573095151,"presets":[{"name":"Club","default":true,"gains":[0,0,4.8,3.36,3.36,3.36,1.92,0,0,0]},{"name":"Live","default":true,"gains":[-2.88,0,2.4,3.36,3.36,3.36,2.4,1.44,1.44,1.44]},{"name":"Party","default":true,"gains":[4.32,4.32,0,0,0,0,0,0,4.32,4.32]},{"name":"Pop","default":true,"gains":[0.96,2.88,4.32,4.8,3.36,0,-1.44,-1.44,0.96,0.96]},{"name":"Soft","default":true,"gains":[2.88,0.96,0,-1.44,0,2.4,4.8,5.76,6.72,7.2]},{"name":"Ska","default":true,"gains":[-1.44,-2.88,-2.4,0,2.4,3.36,5.28,5.76,6.72,5.76]},{"name":"Reggae","default":true,"gains":[0,0,0,-3.36,0,3.84,3.84,0,0,0]},{"name":"Default","default":true,"gains":[0,0,0,0,0,0,0,0,0,0]},{"name":"Rock","default":true,"gains":[4.8,2.88,-3.36,-4.8,-1.92,2.4,5.28,6.72,6.72,6.72]},{"name":"Dance","default":true,"gains":[5.76,4.32,1.44,0,0,-3.36,-4.32,-4.32,0,0]},{"name":"Techno","default":true,"gains":[4.8,3.36,0,-3.36,-2.88,0,4.8,5.76,5.76,5.28]},{"name":"Headphones","default":true,"gains":[2.88,6.72,3.36,-1.92,-1.44,0.96,2.88,5.76,7.68,8.64]},{"name":"Soft rock","default":true,"gains":[2.4,2.4,1.44,0,-2.4,-3.36,-1.92,0,1.44,5.28]},{"name":"Classical","default":true,"gains":[0,0,0,0,0,0,-4.32,-4.32,-4.32,-5.76]},{"name":"Large Hall","default":true,"gains":[6.24,6.24,3.36,3.36,0,-2.88,-2.88,-2.88,0,0]},{"name":"Full Bass","default":true,"gains":[4.8,5.76,5.76,3.36,0.96,-2.4,-4.8,-6.24,-6.72,-6.72]},{"name":"Full Treble","default":true,"gains":[-5.76,-5.76,-5.76,-2.4,1.44,6.72,9.6,9.6,9.6,10.08]},{"name":"Laptop Speakers","default":true,"gains":[2.88,6.72,3.36,-1.92,-1.44,0.96,2.88,5.76,7.68,8.64]},{"name":"Full Bass &amp; Treble","default":true,"gains":[4.32,3.36,0,-4.32,-2.88,0.96,4.8,6.72,7.2,7.2]}],"selected":{"name":"Default","default":true,"gains":[0,0,0,0,0,0,0,0,0,0]},"state":"ON","whitelist":[]})</script></svg>