for await()

in extensions/gnome-legacy-extension/build-scripts/extension.js [76:161]
73 lines of code
7 McCabe index (conditional complexity)

for await (const entry of await fs.opendir("./src")) {
  if (entry.isFile()) {
    if (!entry.name.endsWith(".js")) continue;

    tasks.add(
      new Task(async () => {
        switch (env.GNOME_SHELL_BUILD_RELEASE) {
          case "0":
          case "false":
          case undefined:
            {
              const source = await (async () => {
                let source = await fs.readFile(
                  path.join("./src", entry.name),
                  "utf8",
                );

                // Remove property declarations from the source, they're only there
                // to aid in type acquisition.
                source = source.replaceAll(/(?<=\s)_[a-zA-Z0-9_$]*?;/g, "");
                source = source.replaceAll(
                  /(?<=\s)#[a-zA-Z_$][a-zA-Z0-9_$]*?;/g,
                  "",
                );

                return source;
              })();

              const bundled = (() => {
                let bundled = "const DEBUG=true;\n";
                bundled += source;
                bundled = bundled.replaceAll(
                  /this.#([a-zA-Z_$][a-zA-Z0-9_$]*)/g,
                  (_, ident) => `this.$${ident}`,
                );
                bundled = bundled.replaceAll(
                  /#([a-zA-Z_$][a-zA-Z0-9_$]*?)\(/g,
                  (_, ident) => `$${ident}(`,
                );
                return bundled;
              })();

              zip.add(entry.name, new File(bundled));
            }
            break;
          default:
            {
              const source = await (async () => {
                let source = await fs.readFile(
                  path.join("./src", entry.name),
                  "utf8",
                );

                // Remove property declarations from the source, they're only there
                // to aid in type acquisition.
                source = source.replaceAll(/(?<=\s)_[a-zA-Z0-9_$]*?;/g, "");
                source = source.replaceAll(
                  /(?<=\s)#[a-zA-Z_$][a-zA-Z0-9_$]*?;/g,
                  "",
                );

                return source;
              })();

              const bundled = (() => {
                let bundled = "const DEBUG=false;\n";
                bundled += source;
                bundled = bundled.replaceAll(
                  /this.#([a-zA-Z_$][a-zA-Z0-9_$]*)/g,
                  (_, ident) => `this.$${ident}`,
                );
                bundled = bundled.replaceAll(
                  /#([a-zA-Z_$][a-zA-Z0-9_$]*?)\(/g,
                  (_, ident) => `$${ident}(`,
                );
                return bundled;
              })();

              zip.add(entry.name, new File(bundled));
            }
            break;
        }
      }),
    );
  }
}