@digitalpersona/enrollment/dist/es6/tokens/fingerprints/enroll.js

DigitalPersona Enrollment API

import { Credential, Utf8, Finger } from '@digitalpersona/core';
import { Enroller } from '../../private';
/**
 * Fingerprint enrollment API.
 */
export class FingerprintsEnroll extends Enroller {
    /** Constructs a new fingerprint enrollment API object.
     * @param context - an {@link EnrollmentContext|enrollment context}.
     */
    constructor(context) {
        super(context);
    }
    /** Reads a fingerprint enrollment status.
     * @returns a promise to return fingerprint enrollment data. The data is a collection of enrolled fingers.
     */
    getEnrolledFingers() {
        return this.context.enrollService
            .GetEnrollmentData(this.context.getUser(), Credential.Fingerprints)
            .then(data => JSON.parse(Utf8.fromBase64Url(data))
            .map(item => Finger.fromJson(item)));
    }
    /** Reads a fingerprint enrollment availability.
     * @returns a fulfilled promise when fingerprints can be enrolled, a rejected promise otherwise.
     */
    canEnroll() {
        return super._canEnroll(Credential.Fingerprints);
    }
    /** Enrolls a fingerprint.
     * @param position - a position of a finger to enroll
     * @param samples - a collection of fingerprint scans.
     * @returns a promise to perform the enrollment or reject in case of an error.
     */
    enroll(position, samples) {
        const data = {
            position: (position instanceof Finger) ? position.position : position,
            samples,
        };
        return super._enroll(new Credential(Credential.Fingerprints, data));
    }
    /** Deletes the fingerprint enrollment.
     * @param position - a position(s) of a finger(s) to delete.
     *                   If not defined, all enrolled fingerprintss will be deleted.
     * @returns a promise to delete the enrollment or reject in case of an error.
     */
    unenroll(position) {
        const data = typeof (position) === "number" ? [{ position }] :
            (position instanceof Finger) ? [position] :
                (position instanceof Array) ? position.map(p => (p instanceof Finger) ? p.position : p)
                    : null;
        return super._unenroll(new Credential(Credential.Fingerprints, data));
    }
}
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