iterama/node/unique.js

Composable functional (async) iterable helpers

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

const unique = iterable => ({
  *[Symbol.iterator]() {
    const buffer = new Set();

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

});

exports.unique = unique;