gazeplotter/dist/class/Eye/EyeDeserializer/BeGazeEyeDeserializer.js

Gazeplotter is a Svelte application for visualizing eye-tracking data.

import { AbstractEyeDeserializer } from './AbstractEyeDeserializer.ts';
export class BeGazeEyeDeserializer extends AbstractEyeDeserializer {
    cStart;
    cEnd;
    cStimulus;
    cParticipant;
    cCategory;
    cAoi;
    constructor(header) {
        super();
        this.cStart = this.getIndex(header, 'Event Start Trial Time [ms]');
        this.cEnd = this.getIndex(header, 'Event End Trial Time [ms]');
        this.cStimulus = this.getIndex(header, 'Stimulus');
        this.cParticipant = this.getIndex(header, 'Participant');
        this.cCategory = this.getIndex(header, 'Category');
        this.cAoi = this.getIndex(header, 'AOI Name');
    }
    deserialize(row) {
        const start = row[this.cStart];
        const end = row[this.cEnd];
        const stimulus = row[this.cStimulus];
        const participant = row[this.cParticipant];
        const category = row[this.cCategory];
        const aoi = row[this.cAoi];
        if (this.isNan(start) || this.isNan(end))
            return null;
        if (this.isInvalidCategory(category))
            return null;
        const transformedAoi = this.transformAoi(aoi);
        return { aoi: transformedAoi, category, end, participant, start, stimulus };
    }
    finalize() {
        return null;
    }
    isNan(value) {
        return isNaN(Number(value));
    }
    isInvalidCategory(category) {
        return category === 'Separator';
    }
    transformAoi(aoi) {
        if (aoi === '-' || aoi === 'White Space' || aoi === null)
            return null;
        return [aoi];
    }
}