arrakis-js/dist/block.js

Arrakis Javascript client library

import { gpsToUnix } from "./utils";
export class SeriesBlock {
    time;
    time_ns;
    date;
    data;
    channels;
    constructor(time, time_ns, date, data, channels) {
        this.time = time;
        this.time_ns = time_ns;
        this.date = date;
        this.data = data;
        this.channels = channels;
    }
    static fromBatch(batch) {
        const time_ns = Number(batch.getChild("time")?.get(0) ?? 0);
        const time_ms = Number((batch.getChild("time")?.get(0) ?? 0) / 1000000n);
        const channels = batch.schema.fields
            .map((field) => field.name)
            .filter((name) => name !== "time");
        const data = Object.fromEntries(channels.map((channel) => [
            channel,
            Array.from(batch.getChild(channel)?.get(0) ?? []),
        ]));
        return new SeriesBlock(time_ms, time_ns, new Date(gpsToUnix(time_ms)), data, channels);
    }
}