import { tableLogger } from "./logging";

export class Timeline {
    constructor() {
        this.startedAt = -1;
        this.checkpoints = [];
        this.logger = tableLogger("Timeline");
    }

    start() {
        this.startedAt = performance.now();
        this.checkpoints.push({
            offset: 0,
            label: "Timeline Started"
        });
    }

    addCheckpoint(label) {
        const offset = performance.now() - this.startedAt;
        this.checkpoints.push({ offset, label });
    }

    dump() {
        this.logger(this.checkpoints);
    }
}

export const timeline = new Timeline();