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import path from 'path';
import chalk from 'chalk';
import { TARGETS } from './constants.js';
// Valid scopes for skills
const VALID_SCOPES = ['project', 'global'];
// Valid IDEs for skills
const VALID_IDES = ['multi-ide', ...TARGETS.map(t => t.label)];
// Fields that can be updated via updateSkillMetadata
const UPDATABLE_FIELDS = [
'commit',
'tag',
'ancestry',
'customizations',
'upstream'
];
/**
* Validates a manifest object against the schema.
* @param {Object} manifest - The manifest to validate
* @returns {Object} - { valid: boolean, errors: string[] }
*/
export function validateManifest(manifest) {
const errors = [];
if (manifest === null || manifest === undefined) {
throw new Error('Manifest cannot be null or undefined');
}
// Check version
if (manifest.version === undefined) {
errors.push('Missing required field: version');
} else if (manifest.version !== '1.0') {
errors.push('Invalid version: must be "1.0"');
}
// Check installed array exists
if (!Array.isArray(manifest.installed)) {
errors.push('Missing required field: installed (must be an array)');
return { valid: false, errors };
}
// Validate each skill
manifest.installed.forEach((skill, index) => {
const prefix = `Skill at index ${index} (${skill.name || 'unknown'})`;
// Required fields checks
const requiredFields = ['name', 'instanceId', 'source', 'commit', 'installedAt', 'scope', 'path', 'ide'];
requiredFields.forEach(field => {
if (!skill[field]) {
errors.push(`${prefix}: Missing required field: ${field}`);
}
});
// Type checks
if (skill.name && typeof skill.name !== 'string') {
errors.push(`${prefix}: name must be a string`);
}
if (skill.instanceId && typeof skill.instanceId !== 'string') {
errors.push(`${prefix}: instanceId must be a string`);
}
if (skill.source && typeof skill.source !== 'string') {
errors.push(`${prefix}: source must be a string`);
}
if (skill.commit && typeof skill.commit !== 'string') {
errors.push(`${prefix}: commit must be a string`);
}
if (skill.installedAt && typeof skill.installedAt !== 'string') {
errors.push(`${prefix}: installedAt must be a string (ISO date)`);
} else if (skill.installedAt) {
// Validate ISO date format
const dateRegex = /^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d{3})?Z$/;
if (!dateRegex.test(skill.installedAt)) {
errors.push(`${prefix}: installedAt must be a valid ISO date string`);
}
}
if (skill.scope && !VALID_SCOPES.includes(skill.scope)) {
errors.push(`${prefix}: scope must be one of [${VALID_SCOPES.join(', ')}]`);
}
if (skill.ide && typeof skill.ide !== 'string') {
errors.push(`${prefix}: ide must be a string`);
}
if (skill.ide && !VALID_IDES.includes(skill.ide)) {
errors.push(`${prefix}: ide must be one of [${VALID_IDES.join(', ')}]`);
}
if (skill.path && typeof skill.path !== 'string') {
errors.push(`${prefix}: path must be a string`);
}
if (skill.tag && typeof skill.tag !== 'string') {
errors.push(`${prefix}: tag must be a string`);
}
// Validate ancestry structure
if (skill.ancestry) {
if (!skill.ancestry.forkedFrom || typeof skill.ancestry.forkedFrom !== 'string') {
errors.push(`${prefix}: ancestry.forkedFrom must be a string`);
}
if (!skill.ancestry.forkedCommit || typeof skill.ancestry.forkedCommit !== 'string') {
errors.push(`${prefix}: ancestry.forkedCommit must be a string`);
}
if (!skill.ancestry.forkReason || typeof skill.ancestry.forkReason !== 'string') {
errors.push(`${prefix}: ancestry.forkReason must be a string`);
}
if (!skill.ancestry.parentInstanceId || typeof skill.ancestry.parentInstanceId !== 'string') {
errors.push(`${prefix}: ancestry.parentInstanceId must be a string`);
}
}
// Validate customizations array
if (skill.customizations && !Array.isArray(skill.customizations)) {
errors.push(`${prefix}: customizations must be an array`);
}
// Validate upstream structure
if (skill.upstream) {
if (skill.upstream.lastChecked) {
if (typeof skill.upstream.lastChecked !== 'string') {
errors.push(`${prefix}: upstream.lastChecked must be a string (ISO date)`);
} else {
// Validate ISO date format
const dateRegex = /^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d{3})?Z$/;
if (!dateRegex.test(skill.upstream.lastChecked)) {
errors.push(`${prefix}: upstream.lastChecked must be a valid ISO date string`);
}
}
}
if (skill.upstream.commitsBehind !== undefined && typeof skill.upstream.commitsBehind !== 'number') {
errors.push(`${prefix}: upstream.commitsBehind must be a number`);
}
if (skill.upstream.remoteUrl && typeof skill.upstream.remoteUrl !== 'string') {
errors.push(`${prefix}: upstream.remoteUrl must be a string`);
}
}
});
return {
valid: errors.length === 0,
errors
};
}
/**
* Generates a unique instance ID.
* @returns {string} - A unique identifier
*/
function generateInstanceId() {
return Math.random().toString(36).substring(2, 11) +
Math.random().toString(36).substring(2, 11);
}
/**
* Loads the manifest from disk.
* @param {string} manifestPath - Path to manifest file (default: '.rosetta/skills/manifest.json')
* @returns {Promise<Object>} - The validated manifest
*/
export async function loadManifest(manifestPath = '.rosetta/skills/manifest.json') {
try {
const exists = await fs.pathExists(manifestPath);
if (!exists) {
// Return default manifest if file doesn't exist
return {
version: '1.0',
installed: []
};
}
const manifest = await fs.readJson(manifestPath);
const validation = validateManifest(manifest);
if (!validation.valid) {
const errorMsg = `Invalid manifest schema: ${validation.errors.join('; ')}`;
throw new Error(errorMsg);
}
return manifest;
} catch (err) {
if (err.code === 'ENOENT') {
// File doesn't exist, return default
return {
version: '1.0',
installed: []
};
}
throw err;
}
}
/**
* Saves the manifest to disk.
* @param {Object} manifest - The manifest to save
* @param {string} manifestPath - Path to save (default: '.rosetta/skills/manifest.json')
* @returns {Promise<void>}
*/
export async function saveManifest(manifest, manifestPath = '.rosetta/skills/manifest.json') {
const validation = validateManifest(manifest);
if (!validation.valid) {
throw new Error(`Cannot save invalid manifest: ${validation.errors.join('; ')}`);
}
// Ensure directory exists
await fs.ensureDir(path.dirname(manifestPath));
await fs.writeJson(manifestPath, manifest, { spaces: 2 });
}
/**
* Adds a new skill to the manifest.
* @param {Object} skillData - Skill data (name, source, commit, scope, path required)
* @param {Object} manifest - Current manifest
* @returns {Promise<Object>} - Updated manifest
*/
export async function addInstalledSkill(skillData, manifest) {
// Validate required fields
const required = ['name', 'source', 'commit', 'scope', 'path', 'ide'];
for (const field of required) {
if (!skillData[field]) {
throw new Error(`Missing required field: ${field}`);
}
}
if (!VALID_SCOPES.includes(skillData.scope)) {
throw new Error(`Invalid scope: ${skillData.scope}. Must be one of [${VALID_SCOPES.join(', ')}]`);
}
// Validate IDE if specified (not multi-ide)
if (skillData.ide && skillData.ide !== 'multi-ide') {
if (!VALID_IDES.includes(skillData.ide)) {
throw new Error(`Invalid IDE: ${skillData.ide}. Must be one of [${VALID_IDES.join(', ')}]`);
}
}
// Check for duplicate by name (case-insensitive)
const existingName = manifest.installed.find(
s => s.name.toLowerCase() === skillData.name.toLowerCase()
);
if (existingName) {
throw new Error(`Skill ${skillData.name} is already installed`);
}
// Check for duplicate instanceId if provided
if (skillData.instanceId) {
const existingId = manifest.installed.find(s => s.instanceId === skillData.instanceId);
if (existingId) {
throw new Error(`Instance ID ${skillData.instanceId} already exists`);
}
}
// Build skill object
const newSkill = {
name: skillData.name,
source: skillData.source,
commit: skillData.commit,
scope: skillData.scope,
path: skillData.path,
ide: skillData.ide || 'multi-ide',
instanceId: skillData.instanceId || generateInstanceId(),
installedAt: skillData.installedAt || new Date().toISOString()
};
// Optional fields
if (skillData.tag) newSkill.tag = skillData.tag;
if (skillData.ancestry) newSkill.ancestry = skillData.ancestry;
if (skillData.customizations) newSkill.customizations = skillData.customizations;
if (skillData.upstream) newSkill.upstream = skillData.upstream;
const updatedManifest = {
...manifest,
installed: [...manifest.installed, newSkill]
};
// Validate the updated manifest
const validation = validateManifest(updatedManifest);
if (!validation.valid) {
throw new Error(`Failed to add skill: ${validation.errors.join('; ')}`);
}
return updatedManifest;
}
/**
* Removes a skill from the manifest by name.
* @param {string} skillName - Name of the skill to remove
* @param {Object} manifest - Current manifest
* @returns {Promise<Object>} - Updated manifest
*/
export async function removeInstalledSkill(skillName, manifest) {
const nameLower = skillName.toLowerCase();
const initialLength = manifest.installed.length;
const updatedManifest = {
...manifest,
installed: manifest.installed.filter(s => s.name.toLowerCase() !== nameLower)
};
if (updatedManifest.installed.length === initialLength) {
// No skill was removed - log but don't throw
console.log(chalk.yellow(`Warning: Skill "${skillName}" not found in manifest`));
}
// Validate the updated manifest
const validation = validateManifest(updatedManifest);
if (!validation.valid) {
throw new Error(`Failed to remove skill: ${validation.errors.join('; ')}`);
}
return updatedManifest;
}
/**
* Retrieves a skill by name.
* @param {string} skillName - Name to search for
* @param {Object} manifest - Current manifest
* @returns {Object|undefined} - The skill object or undefined
*/
export function getSkillByName(skillName, manifest) {
const nameLower = skillName.toLowerCase();
return manifest.installed.find(s => s.name.toLowerCase() === nameLower);
}
/**
* Retrieves all installed skills.
* @param {Object} manifest - Current manifest
* @returns {Array} - Array of skill objects
*/
export function getAllSkills(manifest) {
return [...manifest.installed];
}
/**
* Updates metadata for a skill.
* @param {string} skillName - Name of the skill to update
* @param {Object} updates - Fields to update
* @param {Object} manifest - Current manifest
* @param {Object} options - Options (replaceArrays: boolean)
* @returns {Promise<Object>} - Updated manifest
*/
export async function updateSkillMetadata(skillName, updates, manifest, options = {}) {
const { replaceArrays = false } = options;
const nameLower = skillName.toLowerCase();
// Find skill index
const skillIndex = manifest.installed.findIndex(s => s.name.toLowerCase() === nameLower);
if (skillIndex === -1) {
// No skill found, return unchanged
return manifest;
}
// Validate update fields
const invalidFields = Object.keys(updates).filter(k => !UPDATABLE_FIELDS.includes(k) && k !== 'customizations');
if (invalidFields.length > 0) {
throw new Error(`Cannot update invalid fields: ${invalidFields.join(', ')}. Valid fields: ${UPDATABLE_FIELDS.join(', ')}`);
}
const updatedSkill = { ...manifest.installed[skillIndex] };
// Apply updates
for (const [key, value] of Object.entries(updates)) {
if (key === 'customizations') {
if (replaceArrays && Array.isArray(updatedSkill.customizations)) {
updatedSkill.customizations = value;
} else {
updatedSkill.customizations = [...(updatedSkill.customizations || []), ...value];
}
} else if (key === 'ancestry' || key === 'upstream') {
updatedSkill[key] = { ...updatedSkill[key], ...value };
} else {
updatedSkill[key] = value;
}
}
const updatedInstalled = [...manifest.installed];
updatedInstalled[skillIndex] = updatedSkill;
const updatedManifest = {
...manifest,
installed: updatedInstalled
};
// Validate the updated manifest
const validation = validateManifest(updatedManifest);
if (!validation.valid) {
throw new Error(`Failed to update skill: ${validation.errors.join('; ')}`);
}
return updatedManifest;
}
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