CodeTorch-Block-Extensions/extensions/navigator.js at master · CodeTorchNET/CodeTorch-Block-Extensions · GitHub

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// Name: Navigator
// ID: navigatorinfo
// Description: Details about the user's browser and operating system.
// Context: "Navigator" refers to someone's browser
// License: MIT AND MPL-2.0

(function (Scratch) {
  "use strict";

  class NavigatorInfo {
    getInfo() {
      return {
        id: "navigatorinfo",
        name: Scratch.translate("Navigator Info"),
        blocks: [
          {
            opcode: "getOS",
            blockType: Scratch.BlockType.REPORTER,
            text: Scratch.translate("operating system"),
          },
          {
            opcode: "getBrowser",
            blockType: Scratch.BlockType.REPORTER,
            text: Scratch.translate("browser"),
          },
          {
            opcode: "getMemory",
            blockType: Scratch.BlockType.REPORTER,
            text: Scratch.translate("device memory in GB"),
          },
          {
            opcode: "getPreferredColorScheme",
            blockType: Scratch.BlockType.BOOLEAN,
            text: Scratch.translate("user prefers [THEME] color scheme?"),
            arguments: {
              THEME: {
                type: Scratch.ArgumentType.STRING,
                menu: "THEME",
                defaultValue: "dark",
              },
            },
          },
          {
            opcode: "getPreferredReducedMotion",
            blockType: Scratch.BlockType.BOOLEAN,
            text: Scratch.translate("user prefers reduced motion?"),
          },
          {
            opcode: "getPreferredContrast",
            blockType: Scratch.BlockType.BOOLEAN,
            text: Scratch.translate("user prefers more contrast?"),
          },
        ],
        menus: {
          THEME: {
            acceptReporters: true,
            items: [
              {
                text: Scratch.translate("light"),
                value: "light",
              },
              {
                text: Scratch.translate("dark"),
                value: "dark",
              },
            ],
          },
        },
      };
    }

    getOS() {
      const userAgent = navigator.userAgent;
      if (userAgent.includes("Windows")) {
        return "Windows";
      } else if (userAgent.includes("Android")) {
        return "Android";
      } else if (
        userAgent.includes("iPhone") ||
        userAgent.includes("iPod") ||
        userAgent.includes("iPad")
      ) {
        return "iOS";
      } else if (userAgent.includes("Linux")) {
        return "Linux";
      } else if (userAgent.includes("CrOS")) {
        return "ChromeOS";
      } else if (userAgent.includes("Mac OS")) {
        return "macOS";
      }
      return "Other";
    }

    getBrowser() {
      const userAgent = navigator.userAgent;
      if (userAgent.includes("Chrome")) {
        return "Chrome";
      } else if (userAgent.includes("Firefox")) {
        return "Firefox";
      } else if (userAgent.includes("Safari")) {
        return "Safari";
      }
      return "Other";
    }

    getMemory() {
      // @ts-expect-error
      if (navigator.deviceMemory == undefined) {
        return "Unsupported";
      } else {
        // @ts-expect-error
        return navigator.deviceMemory;
      }
    }

    getPreferredColorScheme(args) {
      return (
        window.matchMedia("(prefers-color-scheme: dark)").matches ===
        (args.THEME === "dark")
      );
    }

    getPreferredReducedMotion() {
      return !!window.matchMedia("(prefers-reduced-motion: reduce)").matches;
    }

    getPreferredContrast() {
      return !!window.matchMedia("(prefers-contrast: more)").matches;
    }
  }

  Scratch.extensions.register(new NavigatorInfo());
})(Scratch);