Function destroy

lib/internal/webstreams/adapters.js:385–415

(error, callback)

    },

    destroy(error, callback) {
      function done() {
        try {
          callback(error);
        } catch (error) {
          // In a next tick because this is happening within
          // a promise context, and if there are any errors
          // thrown we don't want those to cause an unhandled
          // rejection. Let's just escape the promise and
          // handle it separately.
          process.nextTick(() => { throw error; });
        }
      }

      if (!closed) {
        if (error != null) {
          PromisePrototypeThen(
            writer.abort(error),
            done,
            done);
        } else {
          PromisePrototypeThen(
            writer.close(),
            done,
            done);
        }
        return;
      }

      done();
    },

    final(callback) {
      function done(error) {