Minor improvements to README.md

Delete chrome store link to original upstream Video Speed Controller by igrigorik. Also some minor formatting improvements.
chore: restore settings-core.js on dev
2026-04-23 05:12:37 -04:00 · 2026-04-21 10:06:43 -04:00 · 2026-04-21 09:57:44 -04:00 · 2026-04-11 13:20:06 -04:00 · 2026-04-11 13:19:57 -04:00 · 2026-04-11 13:13:13 -04:00
9 changed files with 802 additions and 32 deletions
@@ -1,8 +1,8 @@
-# Available for Firefox  
+# Available for Firefox
+
 [![Add to Firefox](https://img.shields.io/badge/Add%20to-Firefox-orange?logo=firefox&logoColor=white)](https://addons.mozilla.org/firefox/addon/speeder/)

-
-# The science of accelerated playback
+## The science of accelerated playback

 **TL;DR: faster playback translates to better engagement and retention.**

@@ -33,9 +33,11 @@ last point to listen to it a few more times.

 ![Player](https://cloud.githubusercontent.com/assets/2400185/24076745/5723e6ae-0c41-11e7-820c-1d8e814a2888.png)

-#### *Install [Chrome](https://chrome.google.com/webstore/detail/video-speed-controller/nffaoalbilbmmfgbnbgppjihopabppdk) or [Firefox](https://addons.mozilla.org/en-us/firefox/addon/speeder/) Extension*
+## Using the extension

-\*\* Once the extension is installed simply navigate to any page that offers
+[![Add to Firefox](https://img.shields.io/badge/Add%20to-Firefox-orange?logo=firefox&logoColor=white)](https://addons.mozilla.org/firefox/addon/speeder/)
+
+Once the extension is installed simply navigate to any page that offers
 HTML5 video ([example](https://www.youtube.com/watch?v=E9FxNzv1Tr8)), and you'll
 see a speed indicator in top left corner. Hover over the indicator to reveal the
 controls to accelerate, slowdown, and quickly rewind or advance the video. Or,
@@ -65,21 +67,25 @@ listens both for lower and upper case values (i.e. you can use
 key. This is not a perfect solution, as some sites may listen to both, but works
 most of the time.

-### FAQ
+## FAQ

-**The video controls are not showing up?** This extension is only compatible
+### The video controls are not showing up?
+
+This extension is only compatible
 with HTML5 video. If you don't see the controls showing up, chances are you are
 viewing a Flash video. If you want to confirm, try right-clicking on the video
 and inspect the menu: if it mentions flash, then that's the issue. That said,
 most sites will fallback to HTML5 if they detect that Flash is not available.
 You can try manually disabling Flash from the browser.

-**What is this fork all about?** This is a fork of 
-[CodeBicycle's Video Speed Controller extension for Firefox](https://github.com/codebicycle/videospeed) 
+### What is this fork all about?
+
+This is a fork of
+[CodeBicycle's Video Speed Controller extension for Firefox](https://github.com/codebicycle/videospeed)
 which is a fork of [Igrigorik's Video Speed Controller extension for Chromium](https://github.com/igrigorik/videospeed).

 The goal of this fork is fix bugs in the upstream code as well as add new features.

-### License
+## License

 (GPLv3) - Copyright (c) 2025 Josh Patra
@@ -1,7 +1,7 @@
 {
  "name": "Speeder",
  "short_name": "Speeder",
-  "version": "5.2.5.0",
+  "version": "5.2.7.0",
  "manifest_version": 2,
  "description": "Speed up, slow down, advance and rewind HTML5 audio/video with shortcuts (New and improved version of \"Video Speed Controller\")",
  "homepage_url": "https://github.com/SoPat712/speeder",
@@ -343,6 +343,14 @@ label em {
  font-weight: 500;
 }

+.shortcut-label em {
+  display: block;
+  margin-top: 4px;
+  color: var(--muted);
+  font-style: normal;
+  font-weight: 400;
+}
+
 .customKey,
 .customValue {
  text-align: center;
@@ -96,7 +96,11 @@
        <section id="customs" class="settings-card">
          <div class="section-heading">
            <h3>Shortcuts</h3>
-            <p class="section-intro">Backspace clears a shortcut. Escape disables it.</p>
+            <p class="section-intro">
+              Backspace clears a key. Escape disables optional shortcuts. If a site
+              steals a shortcut, use a site rule with Override shortcuts (and
+              per-key blocking) for that URL.
+            </p>
          </div>
          <div class="shortcuts-grid">
            <div class="shortcut-row" id="display" data-action="display">
@@ -132,7 +136,10 @@
              />
            </div>
            <div class="shortcut-row" id="slower" data-action="slower">
-              <div class="shortcut-label">Decrease speed</div>
+              <div class="shortcut-label">
+                Decrease speed
+                <em>Required: Speeder needs a key for this action.</em>
+              </div>
              <input
                class="customKey"
                type="text"
@@ -146,7 +153,10 @@
              />
            </div>
            <div class="shortcut-row" id="faster" data-action="faster">
-              <div class="shortcut-label">Increase speed</div>
+              <div class="shortcut-label">
+                Increase speed
+                <em>Required: Speeder needs a key for this action.</em>
+              </div>
              <input
                class="customKey"
                type="text"
@@ -233,7 +233,7 @@ const actionLabels = {
 };

 const speedBindingActions = ["slower", "faster", "fast", "softer", "louder"];
-const requiredShortcutActions = new Set(["display", "slower", "faster"]);
+const requiredShortcutActions = new Set(["slower", "faster"]);

 function formatSpeedBindingDisplay(action, value) {
  if (!speedBindingActions.includes(action)) {
@@ -210,21 +210,63 @@ button:focus-visible {

 .donate-split {
  display: grid;
-  grid-template-columns: 1fr 1fr;
+  grid-template-columns: repeat(3, 1fr);
 }

-.donate-split button {
+.donate-icon-btn {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  min-height: 32px;
+  padding: 6px 4px;
+  background: var(--panel);
+  border: 1px solid var(--border-strong);
+  color: var(--text);
+  text-decoration: none;
+  cursor: pointer;
+  transition: background 120ms ease, border-color 120ms ease;
+}
+
+.donate-icon-btn:hover {
+  background: #f8f9fb;
+  border-color: #c5ccd5;
+}
+
+.donate-icon-btn:active {
+  background: #f1f3f5;
+}
+
+.donate-icon-btn:focus-visible {
+  outline: 2px solid rgba(17, 24, 39, 0.14);
+  outline-offset: 2px;
+  position: relative;
+  z-index: 1;
+}
+
+.donate-icon-btn svg {
+  display: block;
+  flex-shrink: 0;
+}
+
+.donate-icon-btn--kofi img {
+  display: block;
+  height: 22px;
  width: auto;
-  border-radius: 0;
-  min-height: 28px;
+  max-width: 40px;
+  object-fit: contain;
 }

-.donate-split button:first-child {
+.donate-icon-btn:first-child {
  border-radius: 8px 0 0 8px;
-  border-right: 0;
+  border-right-width: 0;
 }

-.donate-split button:last-child {
+.donate-icon-btn:nth-child(2) {
+  border-radius: 0;
+  border-right-width: 0;
+}
+
+.donate-icon-btn:last-child {
  border-radius: 0 8px 8px 0;
 }

@@ -266,4 +308,13 @@ button:focus-visible {
    background: #dfe3e8;
    border-color: #dfe3e8;
  }
+
+  .donate-icon-btn:hover {
+    background: #1f2226;
+    border-color: #4a515a;
+  }
+
+  .donate-icon-btn:active {
+    background: #252a2f;
+  }
 }
@@ -35,8 +35,67 @@
        <div id="donateWrap" class="donate-wrap">
          <button id="donate" class="secondary">Donate</button>
          <div id="donateOptions" class="donate-split hide">
-            <button id="donateKofi" class="secondary">Ko-fi</button>
-            <button id="donateGithub" class="secondary">Sponsors</button>
+            <a
+              id="donateGithub"
+              class="donate-icon-btn donate-icon-btn--github"
+              href="https://github.com/sponsors/SoPat712"
+              target="_blank"
+              rel="noopener noreferrer"
+              aria-label="Sponsor on GitHub (opens in new tab)"
+            >
+              <svg
+                xmlns="http://www.w3.org/2000/svg"
+                viewBox="0 0 24 24"
+                width="22"
+                height="22"
+                aria-hidden="true"
+                focusable="false"
+              >
+                <path
+                  fill="currentColor"
+                  d="M12 .297c-6.63 0-12 5.373-12 12 0 5.303 3.438 9.8 8.205 11.385.6.113.82-.258.82-.577 0-.285-.01-1.04-.015-2.04-3.338.724-4.042-1.61-4.042-1.61C4.422 18.07 3.633 17.7 3.633 17.7c-1.087-.744.084-.729.084-.729 1.205.084 1.838 1.236 1.838 1.236 1.07 1.835 2.809 1.305 3.495.998.108-.776.417-1.305.76-1.605-2.665-.3-5.466-1.332-5.466-5.93 0-1.31.465-2.38 1.235-3.22-.135-.303-.54-1.523.105-3.176 0 0 1.005-.322 3.3 1.23.96-.267 1.98-.399 3-.405 1.02.006 2.04.138 3 .405 2.28-1.552 3.285-1.23 3.285-1.23.645 1.653.24 2.873.12 3.176.765.84 1.23 1.91 1.23 3.22 0 4.61-2.805 5.625-5.475 5.92.42.36.81 1.096.81 2.22 0 1.606-.015 2.896-.015 3.286 0 .315.21.69.825.57C20.565 22.092 24 17.592 24 12.297c0-6.627-5.373-12-12-12"
+                />
+              </svg>
+            </a>
+            <a
+              id="donateKofi"
+              class="donate-icon-btn donate-icon-btn--kofi"
+              href="https://ko-fi.com/joshpatra"
+              target="_blank"
+              rel="noopener noreferrer"
+              aria-label="Support on Ko-fi (opens in new tab)"
+            >
+              <img
+                src="images/kofi_symbol.svg"
+                width="28"
+                height="22"
+                alt=""
+                decoding="async"
+              />
+            </a>
+            <a
+              id="donateBmc"
+              class="donate-icon-btn donate-icon-btn--bmc"
+              href="https://buymeacoffee.com/treeman183"
+              target="_blank"
+              rel="noopener noreferrer"
+              aria-label="Support on Buy Me a Coffee (opens in new tab)"
+            >
+              <svg
+                role="img"
+                xmlns="http://www.w3.org/2000/svg"
+                viewBox="0 0 24 24"
+                width="22"
+                height="22"
+                aria-hidden="true"
+                focusable="false"
+              >
+                <path
+                  fill="currentColor"
+                  d="M20.216 6.415l-.132-.666c-.119-.598-.388-1.163-1.001-1.379-.197-.069-.42-.098-.57-.241-.152-.143-.196-.366-.231-.572-.065-.378-.125-.756-.192-1.133-.057-.325-.102-.69-.25-.987-.195-.4-.597-.634-.996-.788a5.723 5.723 0 00-.626-.194c-1-.263-2.05-.36-3.077-.416a25.834 25.834 0 00-3.7.062c-.915.083-1.88.184-2.75.5-.318.116-.646.256-.888.501-.297.302-.393.77-.177 1.146.154.267.415.456.692.58.36.162.737.284 1.123.366 1.075.238 2.189.331 3.287.37 1.218.05 2.437.01 3.65-.118.299-.033.598-.073.896-.119.352-.054.578-.513.474-.834-.124-.383-.457-.531-.834-.473-.466.074-.96.108-1.382.146-1.177.08-2.358.082-3.536.006a22.228 22.228 0 01-1.157-.107c-.086-.01-.18-.025-.258-.036-.243-.036-.484-.08-.724-.13-.111-.027-.111-.185 0-.212h.005c.277-.06.557-.108.838-.147h.002c.131-.009.263-.032.394-.048a25.076 25.076 0 013.426-.12c.674.019 1.347.067 2.017.144l.228.031c.267.04.533.088.798.145.392.085.895.113 1.07.542.055.137.08.288.111.431l.319 1.484a.237.237 0 01-.199.284h-.003c-.037.006-.075.01-.112.015a36.704 36.704 0 01-4.743.295 37.059 37.059 0 01-4.699-.304c-.14-.017-.293-.042-.417-.06-.326-.048-.649-.108-.973-.161-.393-.065-.768-.032-1.123.161-.29.16-.527.404-.675.701-.154.316-.199.66-.267 1-.069.34-.176.707-.135 1.056.087.753.613 1.365 1.37 1.502a39.69 39.69 0 0011.343.376.483.483 0 01.535.53l-.071.697-1.018 9.907c-.041.41-.047.832-.125 1.237-.122.637-.553 1.028-1.182 1.171-.577.131-1.165.2-1.756.205-.656.004-1.31-.025-1.966-.022-.699.004-1.556-.06-2.095-.58-.475-.458-.54-1.174-.605-1.793l-.731-7.013-.322-3.094c-.037-.351-.286-.695-.678-.678-.336.015-.718.3-.678.679l.228 2.185.949 9.112c.147 1.344 1.174 2.068 2.446 2.272.742.12 1.503.144 2.257.156.966.016 1.942.053 2.892-.122 1.408-.258 2.465-1.198 2.616-2.657.34-3.332.683-6.663 1.024-9.995l.215-2.087a.484.484 0 01.39-.426c.402-.078.787-.212 1.074-.518.455-.488.546-1.124.385-1.766zm-1.478.772c-.145.137-.363.201-.578.233-2.416.359-4.866.54-7.308.46-1.748-.06-3.477-.254-5.207-.498-.17-.024-.353-.055-.47-.18-.22-.236-.111-.71-.054-.995.052-.26.152-.609.463-.646.484-.057 1.046.148 1.526.22.577.088 1.156.159 1.737.212 2.48.226 5.002.19 7.472-.14.45-.06.899-.13 1.345-.21.399-.072.84-.206 1.08.206.166.281.188.657.162.974a.544.544 0 01-.169.364zm-6.159 3.9c-.862.37-1.84.788-3.109.788a5.884 5.884 0 01-1.569-.217l.877 9.004c.065.78.717 1.38 1.5 1.38 0 0 1.243.065 1.658.065.447 0 1.786-.065 1.786-.065.783 0 1.434-.6 1.499-1.38l.94-9.95a3.996 3.996 0 00-1.322-.238c-.826 0-1.491.284-2.26.613z"
+                />
+              </svg>
+            </a>
          </div>
        </div>
      </div>
@@ -230,14 +230,6 @@ document.addEventListener("DOMContentLoaded", function () {
    document.querySelector("#donateOptions").classList.remove("hide");
  });

-  document.querySelector("#donateKofi").addEventListener("click", function () {
-    window.open("https://ko-fi.com/joshpatra");
-  });
-
-  document.querySelector("#donateGithub").addEventListener("click", function () {
-    window.open("https://github.com/sponsors/SoPat712");
-  });
-
  document.querySelector("#enable").addEventListener("click", function () {
    toggleEnabled(true, settingsSavedReloadMessage);
  });
@@ -0,0 +1,644 @@
+(function (global) {
+  "use strict";
+
+  var SITE_RULES_DIFF_FORMAT = "defaults-diff-v1";
+  var DEFAULT_BUTTONS = ["rewind", "slower", "faster", "advance", "display"];
+  var SITE_RULE_OVERRIDE_KEYS = [
+    "controllerLocation",
+    "controllerMarginTop",
+    "controllerMarginBottom",
+    "startHidden",
+    "hideWithControls",
+    "hideWithControlsTimer",
+    "rememberSpeed",
+    "forceLastSavedSpeed",
+    "audioBoolean",
+    "controllerOpacity",
+    "enableSubtitleNudge",
+    "subtitleNudgeInterval",
+    "controllerButtons",
+    "showPopupControlBar",
+    "popupControllerButtons",
+    "shortcuts",
+    "preferredSpeed"
+  ];
+  var DIFFABLE_OPTION_KEYS = [
+    "rememberSpeed",
+    "forceLastSavedSpeed",
+    "audioBoolean",
+    "enabled",
+    "startHidden",
+    "hideWithControls",
+    "hideWithControlsTimer",
+    "controllerLocation",
+    "controllerOpacity",
+    "controllerMarginTop",
+    "controllerMarginBottom",
+    "keyBindings",
+    "siteRules",
+    "siteRulesMeta",
+    "siteRulesFormat",
+    "controllerButtons",
+    "showPopupControlBar",
+    "popupMatchHoverControls",
+    "popupControllerButtons",
+    "enableSubtitleNudge",
+    "subtitleNudgeInterval",
+    "subtitleNudgeAmount"
+  ];
+  var MANAGED_SYNC_KEYS = DIFFABLE_OPTION_KEYS.concat([
+    "hideWithYouTubeControls"
+  ]);
+
+  var DEFAULT_SETTINGS = {
+    speed: 1.0,
+    lastSpeed: 1.0,
+    displayKeyCode: 86,
+    rememberSpeed: false,
+    audioBoolean: false,
+    startHidden: false,
+    hideWithYouTubeControls: false,
+    hideWithControls: false,
+    hideWithControlsTimer: 2.0,
+    controllerLocation: "top-left",
+    forceLastSavedSpeed: false,
+    enabled: true,
+    controllerOpacity: 0.3,
+    controllerMarginTop: 0,
+    controllerMarginRight: 0,
+    controllerMarginBottom: 65,
+    controllerMarginLeft: 0,
+    keyBindings: [
+      {
+        action: "display",
+        key: "V",
+        keyCode: 86,
+        code: null,
+        disabled: false,
+        value: 0,
+        force: false,
+        predefined: true
+      },
+      {
+        action: "move",
+        key: "P",
+        keyCode: 80,
+        code: null,
+        disabled: false,
+        value: 0,
+        force: false,
+        predefined: true
+      },
+      {
+        action: "slower",
+        key: "S",
+        keyCode: 83,
+        code: null,
+        disabled: false,
+        value: 0.1,
+        force: false,
+        predefined: true
+      },
+      {
+        action: "faster",
+        key: "D",
+        keyCode: 68,
+        code: null,
+        disabled: false,
+        value: 0.1,
+        force: false,
+        predefined: true
+      },
+      {
+        action: "rewind",
+        key: "Z",
+        keyCode: 90,
+        code: null,
+        disabled: false,
+        value: 10,
+        force: false,
+        predefined: true
+      },
+      {
+        action: "advance",
+        key: "X",
+        keyCode: 88,
+        code: null,
+        disabled: false,
+        value: 10,
+        force: false,
+        predefined: true
+      },
+      {
+        action: "reset",
+        key: "R",
+        keyCode: 82,
+        code: null,
+        disabled: false,
+        value: 0,
+        force: false,
+        predefined: true
+      },
+      {
+        action: "fast",
+        key: "G",
+        keyCode: 71,
+        code: null,
+        disabled: false,
+        value: 1.8,
+        force: false,
+        predefined: true
+      },
+      {
+        action: "toggleSubtitleNudge",
+        key: "N",
+        keyCode: 78,
+        code: null,
+        disabled: false,
+        value: 0,
+        force: false,
+        predefined: true
+      }
+    ],
+    siteRules: [
+      {
+        pattern: "/^https:\\/\\/(www\\.)?youtube\\.com\\/(?!shorts\\/).*/",
+        enabled: true,
+        enableSubtitleNudge: true,
+        subtitleNudgeInterval: 50
+      },
+      {
+        pattern: "/^https:\\/\\/(www\\.)?youtube\\.com\\/shorts\\/.*/",
+        enabled: true,
+        rememberSpeed: true,
+        controllerMarginTop: 60,
+        controllerMarginBottom: 85
+      }
+    ],
+    controllerButtons: DEFAULT_BUTTONS.slice(),
+    showPopupControlBar: true,
+    popupMatchHoverControls: true,
+    popupControllerButtons: DEFAULT_BUTTONS.slice(),
+    enableSubtitleNudge: false,
+    subtitleNudgeInterval: 50,
+    subtitleNudgeAmount: 0.001
+  };
+
+  function clonePlainData(value) {
+    if (value === undefined) {
+      return undefined;
+    }
+    return JSON.parse(JSON.stringify(value));
+  }
+
+  function hasOwn(obj, key) {
+    return Boolean(obj) && Object.prototype.hasOwnProperty.call(obj, key);
+  }
+
+  function isPlainObject(value) {
+    return Boolean(value) && typeof value === "object" && !Array.isArray(value);
+  }
+
+  function sortComparableValue(value) {
+    if (Array.isArray(value)) {
+      return value.map(sortComparableValue);
+    }
+
+    if (isPlainObject(value)) {
+      var sorted = {};
+      Object.keys(value)
+        .sort()
+        .forEach(function (key) {
+          if (value[key] === undefined) {
+            return;
+          }
+          sorted[key] = sortComparableValue(value[key]);
+        });
+      return sorted;
+    }
+
+    return value;
+  }
+
+  function areComparableValuesEqual(a, b) {
+    return (
+      JSON.stringify(sortComparableValue(a)) ===
+      JSON.stringify(sortComparableValue(b))
+    );
+  }
+
+  function deepMergeDefaults(defaults, overrides) {
+    if (Array.isArray(defaults)) {
+      return Array.isArray(overrides)
+        ? clonePlainData(overrides)
+        : clonePlainData(defaults);
+    }
+
+    if (isPlainObject(defaults)) {
+      var result = clonePlainData(defaults) || {};
+      if (!isPlainObject(overrides)) {
+        return result;
+      }
+
+      Object.keys(overrides).forEach(function (key) {
+        if (overrides[key] === undefined) {
+          return;
+        }
+
+        if (hasOwn(defaults, key)) {
+          result[key] = deepMergeDefaults(defaults[key], overrides[key]);
+        } else {
+          result[key] = clonePlainData(overrides[key]);
+        }
+      });
+
+      return result;
+    }
+
+    return overrides === undefined
+      ? clonePlainData(defaults)
+      : clonePlainData(overrides);
+  }
+
+  function deepDiff(current, defaults) {
+    if (current === undefined) {
+      return undefined;
+    }
+
+    if (Array.isArray(current)) {
+      return areComparableValuesEqual(current, defaults)
+        ? undefined
+        : clonePlainData(current);
+    }
+
+    if (isPlainObject(current)) {
+      var result = {};
+      Object.keys(current).forEach(function (key) {
+        var diff = deepDiff(current[key], defaults && defaults[key]);
+        if (diff !== undefined) {
+          result[key] = diff;
+        }
+      });
+      return Object.keys(result).length > 0 ? result : undefined;
+    }
+
+    return areComparableValuesEqual(current, defaults)
+      ? undefined
+      : clonePlainData(current);
+  }
+
+  function getDefaultSiteRules() {
+    return clonePlainData(DEFAULT_SETTINGS.siteRules) || [];
+  }
+
+  function getDefaultSiteRulesByPattern() {
+    var map = Object.create(null);
+    getDefaultSiteRules().forEach(function (rule) {
+      if (!rule || typeof rule.pattern !== "string" || !rule.pattern) {
+        return;
+      }
+      map[rule.pattern] = rule;
+    });
+    return map;
+  }
+
+  function normalizeSiteRuleForDiff(rule, baseSettings) {
+    if (!rule || typeof rule !== "object" || Array.isArray(rule)) {
+      return null;
+    }
+
+    var pattern = typeof rule.pattern === "string" ? rule.pattern.trim() : "";
+    if (!pattern) {
+      return null;
+    }
+
+    var normalized = { pattern: pattern };
+    var baseEnabled = hasOwn(baseSettings, "enabled")
+      ? Boolean(baseSettings.enabled)
+      : true;
+    var ruleEnabled = hasOwn(rule, "enabled")
+      ? Boolean(rule.enabled)
+      : hasOwn(rule, "disableExtension")
+        ? !Boolean(rule.disableExtension)
+        : baseEnabled;
+
+    if (!areComparableValuesEqual(ruleEnabled, baseEnabled)) {
+      normalized.enabled = ruleEnabled;
+    }
+
+    SITE_RULE_OVERRIDE_KEYS.forEach(function (key) {
+      var baseValue = clonePlainData(baseSettings[key]);
+      var effectiveValue = hasOwn(rule, key)
+        ? clonePlainData(rule[key])
+        : baseValue;
+
+      if (!areComparableValuesEqual(effectiveValue, baseValue)) {
+        normalized[key] = effectiveValue;
+      }
+    });
+
+    Object.keys(rule).forEach(function (key) {
+      if (
+        key === "pattern" ||
+        key === "enabled" ||
+        key === "disableExtension" ||
+        SITE_RULE_OVERRIDE_KEYS.indexOf(key) !== -1 ||
+        rule[key] === undefined
+      ) {
+        return;
+      }
+
+      normalized[key] = clonePlainData(rule[key]);
+    });
+
+    return normalized;
+  }
+
+  function compressSiteRules(siteRules, baseSettings) {
+    if (!Array.isArray(siteRules)) {
+      return {};
+    }
+
+    var defaultRules = getDefaultSiteRules();
+    var defaultRulesByPattern = getDefaultSiteRulesByPattern();
+    var currentPatterns = new Set();
+    var exportRules = [];
+
+    siteRules.forEach(function (rule) {
+      if (!rule || typeof rule !== "object" || Array.isArray(rule)) {
+        return;
+      }
+
+      var pattern = typeof rule.pattern === "string" ? rule.pattern.trim() : "";
+      if (pattern) {
+        currentPatterns.add(pattern);
+      }
+
+      var normalizedRule = normalizeSiteRuleForDiff(rule, baseSettings);
+      if (!normalizedRule || Object.keys(normalizedRule).length === 1) {
+        return;
+      }
+
+      var defaultRule = pattern ? defaultRulesByPattern[pattern] : null;
+      var normalizedDefaultRule = defaultRule
+        ? normalizeSiteRuleForDiff(defaultRule, baseSettings)
+        : null;
+      if (normalizedDefaultRule) {
+        if (areComparableValuesEqual(normalizedRule, normalizedDefaultRule)) {
+          return;
+        }
+
+        var defaultRuleDiff = deepDiff(normalizedRule, normalizedDefaultRule);
+        if (defaultRuleDiff && Object.keys(defaultRuleDiff).length > 0) {
+          defaultRuleDiff.pattern = pattern;
+          exportRules.push(defaultRuleDiff);
+        }
+        return;
+      }
+
+      exportRules.push(normalizedRule);
+    });
+
+    var removedDefaultPatterns = defaultRules
+      .map(function (rule) {
+        return rule && typeof rule.pattern === "string" ? rule.pattern : "";
+      })
+      .filter(function (pattern) {
+        return pattern && !currentPatterns.has(pattern);
+      });
+
+    var result = {};
+    if (exportRules.length > 0) {
+      result.siteRules = exportRules;
+      result.siteRulesFormat = SITE_RULES_DIFF_FORMAT;
+    }
+    if (removedDefaultPatterns.length > 0) {
+      result.siteRulesMeta = {
+        removedDefaultPatterns: removedDefaultPatterns
+      };
+      result.siteRulesFormat = SITE_RULES_DIFF_FORMAT;
+    }
+
+    return result;
+  }
+
+  function expandSiteRules(siteRules, siteRulesMeta) {
+    var defaultRules = getDefaultSiteRules();
+    var defaultRulesByPattern = getDefaultSiteRulesByPattern();
+    if (defaultRules.length === 0) {
+      return Array.isArray(siteRules) ? clonePlainData(siteRules) : [];
+    }
+
+    var removedDefaultPatterns = new Set(
+      siteRulesMeta && Array.isArray(siteRulesMeta.removedDefaultPatterns)
+        ? siteRulesMeta.removedDefaultPatterns
+        : []
+    );
+    var modifiedDefaultRules = Object.create(null);
+    var customRules = [];
+
+    if (Array.isArray(siteRules)) {
+      siteRules.forEach(function (rule) {
+        if (!rule || typeof rule !== "object" || Array.isArray(rule)) {
+          return;
+        }
+
+        var pattern = typeof rule.pattern === "string" ? rule.pattern.trim() : "";
+        if (
+          pattern &&
+          Object.prototype.hasOwnProperty.call(defaultRulesByPattern, pattern)
+        ) {
+          modifiedDefaultRules[pattern] = clonePlainData(rule);
+          return;
+        }
+
+        customRules.push(clonePlainData(rule));
+      });
+    }
+
+    var mergedRules = [];
+
+    defaultRules.forEach(function (rule) {
+      var pattern = rule && typeof rule.pattern === "string" ? rule.pattern : "";
+      if (!pattern || removedDefaultPatterns.has(pattern)) {
+        return;
+      }
+
+      if (modifiedDefaultRules[pattern]) {
+        mergedRules.push(
+          Object.assign(
+            {},
+            clonePlainData(rule),
+            clonePlainData(modifiedDefaultRules[pattern])
+          )
+        );
+        return;
+      }
+
+      mergedRules.push(clonePlainData(rule));
+    });
+
+    customRules.forEach(function (rule) {
+      mergedRules.push(rule);
+    });
+
+    return mergedRules;
+  }
+
+  function buildStoredSettingsDiff(currentSettings) {
+    var defaults = clonePlainData(DEFAULT_SETTINGS);
+    var normalized = deepMergeDefaults(defaults, currentSettings || {});
+    var siteRuleData = compressSiteRules(normalized.siteRules, normalized);
+    var diffDefaults = {};
+    var diff = {};
+
+    delete normalized.siteRules;
+    delete normalized.siteRulesMeta;
+    delete normalized.siteRulesFormat;
+    delete normalized.hideWithYouTubeControls;
+
+    if (siteRuleData.siteRules) {
+      normalized.siteRules = siteRuleData.siteRules;
+    }
+    if (siteRuleData.siteRulesMeta) {
+      normalized.siteRulesMeta = siteRuleData.siteRulesMeta;
+    }
+    if (siteRuleData.siteRulesFormat) {
+      normalized.siteRulesFormat = siteRuleData.siteRulesFormat;
+    }
+
+    DIFFABLE_OPTION_KEYS.forEach(function (key) {
+      if (hasOwn(DEFAULT_SETTINGS, key)) {
+        diffDefaults[key] = clonePlainData(DEFAULT_SETTINGS[key]);
+      }
+      if (!hasOwn(normalized, key)) {
+        return;
+      }
+      var valueDiff = deepDiff(normalized[key], diffDefaults[key]);
+      if (valueDiff !== undefined) {
+        diff[key] = valueDiff;
+      }
+    });
+
+    return diff;
+  }
+
+  function expandStoredSettings(storage) {
+    var raw = clonePlainData(storage) || {};
+    var expanded = deepMergeDefaults(DEFAULT_SETTINGS, raw);
+
+    if (
+      !hasOwn(raw, "hideWithControls") &&
+      hasOwn(raw, "hideWithYouTubeControls")
+    ) {
+      expanded.hideWithControls = Boolean(raw.hideWithYouTubeControls);
+    }
+    expanded.hideWithYouTubeControls = expanded.hideWithControls;
+
+    if (raw.siteRulesFormat === SITE_RULES_DIFF_FORMAT) {
+      expanded.siteRules = expandSiteRules(raw.siteRules, raw.siteRulesMeta);
+    } else if (Array.isArray(raw.siteRules)) {
+      expanded.siteRules = clonePlainData(raw.siteRules);
+    } else {
+      expanded.siteRules = getDefaultSiteRules();
+    }
+
+    return expanded;
+  }
+
+  function escapeStringRegExp(str) {
+    var matcher = /[|\\{}()[\]^$+*?.]/g;
+    return String(str).replace(matcher, "\\$&");
+  }
+
+  function siteRuleMatchesUrl(rule, currentUrl) {
+    if (!rule || !rule.pattern || !currentUrl) {
+      return false;
+    }
+
+    var pattern = String(rule.pattern).trim();
+    if (!pattern) {
+      return false;
+    }
+
+    var regex;
+    if (pattern.startsWith("/") && pattern.lastIndexOf("/") > 0) {
+      try {
+        var lastSlash = pattern.lastIndexOf("/");
+        regex = new RegExp(
+          pattern.substring(1, lastSlash),
+          pattern.substring(lastSlash + 1)
+        );
+      } catch (_error) {
+        return false;
+      }
+    } else {
+      regex = new RegExp(escapeStringRegExp(pattern));
+    }
+
+    return Boolean(regex && regex.test(currentUrl));
+  }
+
+  function mergeMatchingSiteRules(currentUrl, siteRules) {
+    if (!currentUrl || !Array.isArray(siteRules)) {
+      return null;
+    }
+
+    var matchedRules = [];
+    for (var i = 0; i < siteRules.length; i++) {
+      if (siteRuleMatchesUrl(siteRules[i], currentUrl)) {
+        matchedRules.push(siteRules[i]);
+      }
+    }
+
+    if (!matchedRules.length) {
+      return null;
+    }
+
+    var mergedRule = {};
+    matchedRules.forEach(function (rule) {
+      Object.keys(rule).forEach(function (key) {
+        var value = rule[key];
+        if (Array.isArray(value)) {
+          mergedRule[key] = clonePlainData(value);
+          return;
+        }
+        if (isPlainObject(value)) {
+          mergedRule[key] = clonePlainData(value);
+          return;
+        }
+        mergedRule[key] = value;
+      });
+    });
+
+    return mergedRule;
+  }
+
+  function isSiteRuleDisabled(rule) {
+    return Boolean(
+      rule &&
+      (
+        rule.enabled === false ||
+        (typeof rule.enabled === "undefined" && rule.disableExtension === true)
+      )
+    );
+  }
+
+  global.vscClonePlainData = clonePlainData;
+  global.vscAreComparableValuesEqual = areComparableValuesEqual;
+  global.vscDeepMergeDefaults = deepMergeDefaults;
+  global.vscBuildStoredSettingsDiff = buildStoredSettingsDiff;
+  global.vscExpandStoredSettings = expandStoredSettings;
+  global.vscGetSettingsDefaults = function () {
+    return clonePlainData(DEFAULT_SETTINGS);
+  };
+  global.vscGetManagedSyncKeys = function () {
+    return MANAGED_SYNC_KEYS.slice();
+  };
+  global.vscGetSiteRulesDiffFormat = function () {
+    return SITE_RULES_DIFF_FORMAT;
+  };
+  global.vscMatchSiteRule = mergeMatchingSiteRules;
+  global.vscSiteRuleMatchesUrl = siteRuleMatchesUrl;
+  global.vscIsSiteRuleDisabled = isSiteRuleDisabled;
+})(typeof globalThis !== "undefined" ? globalThis : this);
Author	SHA1	Message	Date
netjeff	cddf197a17	Minor improvements to README.md Delete chrome store link to original upstream Video Speed Controller by igrigorik. Also some minor formatting improvements.	2026-04-21 10:06:43 -04:00
joshpatra	904e657bb9	chore: restore settings-core.js on dev	2026-04-21 09:57:44 -04:00
joshpatra	bfe20a84dd	Bump version to 5.2.7.0	2026-04-11 13:20:06 -04:00
joshpatra	46a8a62110	refactor: reordered donate buttons, moved to icons over text	2026-04-11 13:19:57 -04:00
joshpatra	eb64de6ea3	Bump version to 5.2.6.0	2026-04-11 13:13:13 -04:00
joshpatra	eab6d10a19	refactor: Better explanations, feat: made show/hide controller shortcut optional	2026-04-11 13:13:05 -04:00