Fix StartOS 0.4 TypeScript packaging to match SDK API
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"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.S9pk = void 0;
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exports.compare = compare;
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const merkleArchive_1 = require("./merkleArchive");
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const mime_1 = __importDefault(require("mime"));
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const directoryContents_1 = require("./merkleArchive/directoryContents");
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const fileContents_1 = require("./merkleArchive/fileContents");
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const magicAndVersion = new Uint8Array([59, 59, 2]);
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/**
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* Compares two `Uint8Array` instances byte-by-byte for equality.
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*
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* @returns `true` if both arrays have the same length and identical bytes
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*/
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function compare(a, b) {
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if (a.length !== b.length)
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return false;
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for (let i = 0; i < a.length; i++) {
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if (a[i] !== b[i])
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return false;
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}
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return true;
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}
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/**
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* Represents a parsed `.s9pk` package archive — the binary distribution format for StartOS services.
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*
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* An `S9pk` wraps a verified {@link Manifest}, a {@link MerkleArchive} containing the package's
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* assets (icon, license, dependency metadata), and the total archive size in bytes.
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*
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* @example
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* ```ts
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* const s9pk = await S9pk.deserialize(file, null)
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* console.log(s9pk.manifest.id) // e.g. "bitcoind"
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* console.log(s9pk.size) // archive size in bytes
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* const icon = await s9pk.icon() // base64 data URL
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* const license = await s9pk.license()
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* ```
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*/
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class S9pk {
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constructor(
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/** The parsed package manifest containing metadata, dependencies, and interface definitions. */
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manifest,
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/** The Merkle-verified archive containing the package's files. */
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archive,
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/** The total size of the archive in bytes. */
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size) {
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this.manifest = manifest;
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this.archive = archive;
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this.size = size;
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}
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/**
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* Deserializes an `S9pk` from a `Blob` (e.g. a `File` from a browser file input).
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*
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* Validates the magic bytes and version header, then parses the Merkle archive structure.
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* If a `commitment` is provided, the archive is cryptographically verified against it.
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*
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* @param source - The raw `.s9pk` file as a `Blob`
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* @param commitment - An optional Merkle commitment to verify the archive against, or `null` to skip verification
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* @returns A fully parsed `S9pk` instance
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* @throws If the magic bytes are invalid or the archive fails verification
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*/
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static async deserialize(source, commitment) {
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const header = new merkleArchive_1.ArrayBufferReader(await source
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.slice(0, magicAndVersion.length + merkleArchive_1.MerkleArchive.headerSize)
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.arrayBuffer());
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const magicVersion = new Uint8Array(header.next(magicAndVersion.length));
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if (!compare(magicVersion, magicAndVersion)) {
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throw new Error('Invalid Magic or Unexpected Version');
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}
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const archive = await merkleArchive_1.MerkleArchive.deserialize(source, 's9pk', header, commitment);
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const manifest = JSON.parse(new TextDecoder().decode(await archive.contents
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.getPath(['manifest.json'])
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?.verifiedFileContents()));
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return new S9pk(manifest, archive, source.size);
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}
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/**
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* Extracts the package icon from the archive and returns it as a base64-encoded data URL.
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*
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* Looks for a file named `icon.*` with an image MIME type (e.g. `icon.png`, `icon.svg`).
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*
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* @returns A data URL string like `"data:image/png;base64,..."` suitable for use in `<img src>`.
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* @throws If no icon file is found in the archive
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*/
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async icon() {
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const iconName = Object.keys(this.archive.contents.contents).find((name) => name.startsWith('icon.') && mime_1.default.getType(name)?.startsWith('image/'));
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if (!iconName) {
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throw new Error('no icon found in archive');
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}
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return (`data:${mime_1.default.getType(iconName)};base64,` +
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Buffer.from(await this.archive.contents.getPath([iconName]).verifiedFileContents()).toString('base64'));
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}
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/**
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* Returns the metadata (e.g. `{ title }`) for a specific dependency by its package ID.
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*
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* @param id - The dependency's package identifier (e.g. `"bitcoind"`)
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* @returns The dependency metadata object, or `null` if the dependency is not present in the archive
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*/
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async dependencyMetadataFor(id) {
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const entry = this.archive.contents.getPath([
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'dependencies',
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id,
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'metadata.json',
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]);
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if (!entry)
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return null;
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return JSON.parse(new TextDecoder().decode(await entry.verifiedFileContents()));
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}
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/**
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* Returns the icon for a specific dependency as a base64 data URL.
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*
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* @param id - The dependency's package identifier
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* @returns A data URL string, or `null` if the dependency or its icon is not present
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*/
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async dependencyIconFor(id) {
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const dir = this.archive.contents.getPath(['dependencies', id]);
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if (!dir || !(dir.contents instanceof directoryContents_1.DirectoryContents))
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return null;
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const iconName = Object.keys(dir.contents.contents).find((name) => name.startsWith('icon.') && mime_1.default.getType(name)?.startsWith('image/'));
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if (!iconName)
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return null;
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return (`data:${mime_1.default.getType(iconName)};base64,` +
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Buffer.from(await dir.contents.getPath([iconName]).verifiedFileContents()).toString('base64'));
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}
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/**
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* Returns a merged record of all dependency metadata (title, icon, description, optional flag)
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* for every dependency declared in the manifest.
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*
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* @returns A record keyed by package ID, each containing `{ title, icon, description, optional }`
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*/
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async dependencyMetadata() {
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return Object.fromEntries(await Promise.all(Object.entries(this.manifest.dependencies)
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.filter(([_, info]) => !!info)
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.map(async ([id, info]) => [
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id,
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{
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...(await this.dependencyMetadataFor(id)),
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icon: await this.dependencyIconFor(id),
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description: info.description,
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optional: info.optional,
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},
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])));
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}
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/**
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* Reads and returns the `LICENSE.md` file from the archive as a UTF-8 string.
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*
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* @returns The full license text
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* @throws If `LICENSE.md` is not found in the archive
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*/
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async license() {
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const file = this.archive.contents.getPath(['LICENSE.md']);
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if (!file || !(file.contents instanceof fileContents_1.FileContents))
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throw new Error('license.md not found in archive');
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return new TextDecoder().decode(await file.verifiedFileContents());
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}
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}
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exports.S9pk = S9pk;
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//# sourceMappingURL=index.js.map
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