sqmicro-streams/test/my-buffer.js

SQ micro streams.

module.exports = class MyBuffer {
    get size() { return this.rows.size; }

    constructor() {
        this.refreshKeys = new Set();
        this.rows = new Set();
    }

    write(event) {
        if (event.refreshKey) {
            this.refreshKeys.add(event.key);
        }

        this.rows.add(event.row);
    }
};