71 lines
2.3 KiB
JavaScript
Executable file
71 lines
2.3 KiB
JavaScript
Executable file
"use strict";
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.Snapshot = void 0;
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const util_1 = __importDefault(require("util"));
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const base_1 = require("./base");
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const file_1 = require("./file");
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const utils_1 = require("./utils");
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/**
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* A container for the signed part of snapshot metadata.
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*
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* Snapshot contains information about all target Metadata files.
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* A top-level role that specifies the latest versions of all targets metadata files,
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* and hence the latest versions of all targets (including any dependencies between them) on the repository.
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*/
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class Snapshot extends base_1.Signed {
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constructor(opts) {
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super(opts);
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this.type = base_1.MetadataKind.Snapshot;
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this.meta = opts.meta || { 'targets.json': new file_1.MetaFile({ version: 1 }) };
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}
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equals(other) {
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if (!(other instanceof Snapshot)) {
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return false;
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}
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return super.equals(other) && util_1.default.isDeepStrictEqual(this.meta, other.meta);
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}
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toJSON() {
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return {
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_type: this.type,
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meta: metaToJSON(this.meta),
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spec_version: this.specVersion,
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version: this.version,
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expires: this.expires,
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...this.unrecognizedFields,
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};
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}
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static fromJSON(data) {
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const { unrecognizedFields, ...commonFields } = base_1.Signed.commonFieldsFromJSON(data);
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const { meta, ...rest } = unrecognizedFields;
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return new Snapshot({
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...commonFields,
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meta: metaFromJSON(meta),
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unrecognizedFields: rest,
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});
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}
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}
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exports.Snapshot = Snapshot;
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function metaToJSON(meta) {
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return Object.entries(meta).reduce((acc, [path, metadata]) => ({
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...acc,
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[path]: metadata.toJSON(),
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}), {});
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}
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function metaFromJSON(data) {
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let meta;
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if (utils_1.guard.isDefined(data)) {
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if (!utils_1.guard.isObjectRecord(data)) {
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throw new TypeError('meta field is malformed');
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}
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else {
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meta = Object.entries(data).reduce((acc, [path, metadata]) => ({
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...acc,
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[path]: file_1.MetaFile.fromJSON(metadata),
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}), {});
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}
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}
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return meta;
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}
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