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