iterama/node/unique-async.js

Composable functional (async) iterable helpers

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.uniqueAsync = void 0;

const uniqueAsync = iterable => ({
  async *[Symbol.asyncIterator]() {
    const buffer = new Set();

    for await (const value of iterable) {
      if (!buffer.has(value)) {
        buffer.add(value);
        yield value;
      }
    }
  }

});

exports.uniqueAsync = uniqueAsync;