Files
smartupdate/ts/smartupdate.classes.smartupdate.ts
T

352 lines
11 KiB
TypeScript

import * as plugins from './smartupdate.plugins.js';
import { UpdateCacheManager } from './smartupdate.classes.cachemanager.js';
import { UpdateNotifier } from './smartupdate.classes.notifier.js';
import { DEFAULT_CACHE_DURATION_HOURS, MILLISECONDS_PER_MINUTE, MINUTES_PER_HOUR } from './smartupdate.constants.js';
import type {
ICacheStatus,
ISmartUpdateOptions,
IUpdateCheckOptions,
IUpdateCheckResult,
TCachedUpdateStatus,
} from './smartupdate.interfaces.js';
import {
SmartUpdateError,
RegistryUnavailableError,
PackageNotFoundError,
InvalidPackageNameError,
InvalidVersionError,
} from './smartupdate.errors.js';
/**
* SmartUpdate - Elegant update checking for Node.js packages
*
* @example
* ```typescript
* const smartUpdate = new SmartUpdate();
* const result = await smartUpdate.checkForUpdate({
* packageName: 'lodash',
* currentVersion: '1.0.0',
* changelogUrl: 'https://example.com/changelog'
* });
*
* if (result.status === 'update-available') {
* console.log(`Update available: ${result.latestVersion}`);
* }
* ```
*/
export class SmartUpdate {
public readonly npmRegistry: plugins.smartnpm.NpmRegistry;
private cacheManager: UpdateCacheManager;
private notifier: UpdateNotifier;
private options: ISmartUpdateOptions;
/**
* @deprecated Use the options parameter instead of kvStore property
*/
public kvStore: plugins.npmextra.KeyValueStore<Record<string, ICacheStatus>>;
constructor(options: ISmartUpdateOptions = {}) {
this.options = options;
// Initialize npm registry
this.npmRegistry = new plugins.smartnpm.NpmRegistry(options.npmRegistryOptions || {});
// Calculate cache duration in milliseconds
const cacheDuration = options.cacheDuration || { hours: DEFAULT_CACHE_DURATION_HOURS };
const cacheDurationMs =
(cacheDuration.hours || 0) * MINUTES_PER_HOUR * MILLISECONDS_PER_MINUTE +
(cacheDuration.minutes || 0) * MILLISECONDS_PER_MINUTE +
(cacheDuration.seconds || 0) * 1000;
// Initialize cache manager
this.cacheManager = new UpdateCacheManager({
durationMs: cacheDurationMs || DEFAULT_CACHE_DURATION_HOURS * MINUTES_PER_HOUR * MILLISECONDS_PER_MINUTE,
storeIdentifier: options.cacheStore?.storeIdentifier,
storeType: options.cacheStore?.storeType,
customPath: options.cacheStore?.customPath,
});
// Initialize notifier
this.notifier = new UpdateNotifier({
logLevel: options.logLevel || 'INFO',
useColors: !options.noColor,
customLogger: options.customLogger,
});
// Backward compatibility: expose kvStore
this.kvStore = this.cacheManager.kvStore;
}
/**
* Check for updates with caching (primarily for CLI use)
*
* @deprecated Use checkForUpdate with cacheStrategy: 'time-based' instead
* @param packageName - The npm package name to check
* @param currentVersion - The current version to compare against
* @param changelogUrl - Optional URL to open if update is available
* @returns Promise resolving to true if update available, false otherwise
*
* @example
* ```typescript
* const hasUpdate = await smartUpdate.checkForCli('my-cli', '1.0.0', 'https://changelog.url');
* ```
*/
public async checkForCli(
packageName: string,
currentVersion: string,
changelogUrl?: string
): Promise<boolean> {
const result = await this.checkForUpdate({
packageName,
currentVersion,
changelogUrl,
cacheStrategy: 'time-based',
});
return (
result.status === 'update-available' ||
(result.status === 'check-skipped' &&
!!result.latestVersion &&
this.safeIsUpdateAvailable(result.latestVersion, currentVersion))
);
}
/**
* Check for updates (modern API)
*
* @param options - Update check options
* @returns Promise resolving to detailed update check result
*
* @example
* ```typescript
* const result = await smartUpdate.checkForUpdate({
* packageName: 'lodash',
* currentVersion: '1.0.0',
* changelogUrl: 'https://changelog.url',
* openChangelog: true,
* cacheStrategy: 'time-based'
* });
*
* console.log(result.status); // 'up-to-date' | 'update-available' | 'check-skipped' | 'error'
* ```
*/
public async checkForUpdate(options: IUpdateCheckOptions): Promise<IUpdateCheckResult> {
const {
packageName,
currentVersion,
changelogUrl,
openChangelog = true,
cacheStrategy = 'time-based',
} = options;
const checkTime = new Date();
try {
this.validatePackageName(packageName);
const versionLocal = this.createSmartVersion(currentVersion);
const registryUrl = this.getRegistryUrl();
// Check if we should use cache or check registry
const cacheCheck = await this.cacheManager.shouldCheckRegistry(packageName, cacheStrategy, {
currentVersion,
registryUrl,
});
// If we should skip the check due to cache
if (!cacheCheck.shouldCheck) {
const skippedResult: IUpdateCheckResult = {
status: 'check-skipped',
packageName,
currentVersion,
latestVersion: cacheCheck.cacheStatus?.latestVersion,
checkTime,
cacheHit: true,
nextCheckTime: cacheCheck.nextCheckTime,
reason:
cacheStrategy === 'always'
? 'Cached result reused'
: 'Rate limited - checked recently',
};
this.notifier.notifyUpdateCheckResult(skippedResult);
return skippedResult;
}
// Fetch package info from registry
const npmPackage = await this.getNpmPackageFromRegistry(packageName);
// Compare versions
const versionNpm = this.createSmartVersion(npmPackage.version);
const status: TCachedUpdateStatus = versionNpm.greaterThan(versionLocal)
? 'update-available'
: 'up-to-date';
const result: IUpdateCheckResult = {
status,
packageName: npmPackage.name,
currentVersion,
latestVersion: npmPackage.version,
checkTime,
cacheHit: false,
};
// Notify user
this.notifier.notifyUpdateCheckResult(result);
// If update is available, handle changelog
if (result.status === 'update-available' && changelogUrl && openChangelog && !process.env.CI) {
this.notifier.notifyOpeningChangelog();
await plugins.smartopen.openUrl(changelogUrl).catch((error) => {
this.notifier.warn(
`Could not open changelog: ${error instanceof Error ? error.message : String(error)}`
);
});
}
// Cache both positive and negative checks to avoid repeated registry hits.
const cacheStatus = this.cacheManager.createCacheStatus(npmPackage.version, false, {
currentVersion,
registryUrl,
status,
});
await this.cacheManager.setCached(packageName, cacheStatus);
return result;
} catch (error) {
if (error instanceof RegistryUnavailableError) {
this.notifier.notifyRegistryError();
} else {
this.notifier.error(error instanceof Error ? error.message : String(error));
}
return {
status: 'error',
packageName,
currentVersion,
checkTime,
cacheHit: false,
error: error instanceof Error ? error : new Error(String(error)),
};
}
}
/**
* Simple check for updates without caching
*
* @deprecated Use checkForUpdate with cacheStrategy: 'never' instead
* @param packageName - The npm package name to check
* @param currentVersion - The current version to compare against
* @param changelogUrl - Optional URL to open if update is available
* @returns Promise resolving to true if update available, false otherwise
*
* @example
* ```typescript
* const hasUpdate = await smartUpdate.check('lodash', '1.0.0');
* ```
*/
public async check(
packageName: string,
currentVersion: string,
changelogUrl?: string
): Promise<boolean> {
const result = await this.checkForUpdate({
packageName,
currentVersion,
changelogUrl,
cacheStrategy: 'never',
});
return result.status === 'update-available';
}
/**
* Get the latest version of a package
*
* @param packageName - The npm package name
* @returns Promise resolving to the latest version string
*
* @example
* ```typescript
* const latestVersion = await smartUpdate.getLatestVersion('lodash');
* console.log(latestVersion); // e.g., "4.17.21"
* ```
*/
public async getLatestVersion(packageName: string): Promise<string> {
this.validatePackageName(packageName);
const npmPackage = await this.getNpmPackageFromRegistry(packageName);
return npmPackage.version;
}
/**
* Clear the cache for a specific package
*
* @param packageName - The package name to clear cache for
*
* @example
* ```typescript
* await smartUpdate.clearCache('lodash');
* ```
*/
public async clearCache(packageName: string): Promise<void> {
await this.cacheManager.clearCache(packageName);
}
/**
* Fetch package information from the npm registry
* @private
*/
private async getNpmPackageFromRegistry(packageName: string): Promise<plugins.smartnpm.NpmPackage> {
this.notifier.notifyCheckingForUpdate(packageName);
try {
const npmPackage = await this.npmRegistry.getPackageInfo(packageName);
if (!npmPackage?.version) {
throw new PackageNotFoundError(packageName);
}
return npmPackage;
} catch (error) {
if (error instanceof SmartUpdateError) {
throw error;
}
const message = error instanceof Error ? error.message : String(error);
const lowerMessage = message.toLowerCase();
if (lowerMessage.includes('not found') || lowerMessage.includes('404')) {
throw new PackageNotFoundError(packageName);
}
throw new RegistryUnavailableError(message);
}
}
private validatePackageName(packageName: string): void {
if (!packageName || packageName.trim() !== packageName || /\s/.test(packageName)) {
throw new InvalidPackageNameError(packageName);
}
}
private createSmartVersion(version: string): plugins.smartversion.SmartVersion {
try {
return new plugins.smartversion.SmartVersion(version);
} catch (error) {
throw new InvalidVersionError(version, error instanceof Error ? error.message : String(error));
}
}
private isUpdateAvailable(latestVersion: string, currentVersion: string): boolean {
const versionNpm = this.createSmartVersion(latestVersion);
const versionLocal = this.createSmartVersion(currentVersion);
return versionNpm.greaterThan(versionLocal);
}
private safeIsUpdateAvailable(latestVersion: string, currentVersion: string): boolean {
try {
return this.isUpdateAvailable(latestVersion, currentVersion);
} catch {
return false;
}
}
private getRegistryUrl(): string {
return this.npmRegistry.options.npmRegistryUrl || 'https://registry.npmjs.org';
}
}