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timestamp.js2.0 KB · 60 lines
"use strict";Object.defineProperty(exports, "__esModule", { value: true });exports.Timestamp = void 0;const base_1 = require("./base");const file_1 = require("./file");const utils_1 = require("./utils");/** * A container for the signed part of timestamp metadata. * * A top-level that specifies the latest version of the snapshot role metadata file, * and hence the latest versions of all metadata and targets on the repository. */class Timestamp extends base_1.Signed {    type = base_1.MetadataKind.Timestamp;    snapshotMeta;    constructor(options) {        super(options);        this.snapshotMeta = options.snapshotMeta || new file_1.MetaFile({ version: 1 });    }    equals(other) {        if (!(other instanceof Timestamp)) {            return false;        }        return super.equals(other) && this.snapshotMeta.equals(other.snapshotMeta);    }    toJSON() {        return {            _type: this.type,            spec_version: this.specVersion,            version: this.version,            expires: this.expires,            meta: { 'snapshot.json': this.snapshotMeta.toJSON() },            ...this.unrecognizedFields,        };    }    static fromJSON(data) {        const { unrecognizedFields, ...commonFields } = base_1.Signed.commonFieldsFromJSON(data);        const { meta, ...rest } = unrecognizedFields;        return new Timestamp({            ...commonFields,            snapshotMeta: snapshotMetaFromJSON(meta),            unrecognizedFields: rest,        });    }}exports.Timestamp = Timestamp;function snapshotMetaFromJSON(data) {    let snapshotMeta;    if (utils_1.guard.isDefined(data)) {        const snapshotData = data['snapshot.json'];        if (!utils_1.guard.isDefined(snapshotData) || !utils_1.guard.isObject(snapshotData)) {            throw new TypeError('missing snapshot.json in meta');        }        else {            snapshotMeta = file_1.MetaFile.fromJSON(snapshotData);        }    }    return snapshotMeta;}