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move dependency version stuff from EnvService to DependencyService

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Hazelnoot 2025-10-08 16:59:25 -04:00
parent f103d98099
commit 8059515db4
2 changed files with 43 additions and 34 deletions
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41
packages/backend/src/global/DependencyService.ts Normal file
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@ -0,0 +1,41 @@
/*
* SPDX-FileCopyrightText: hazelnoot and other Sharkey contributors
* SPDX-License-Identifier: AGPL-3.0-only
*/
import nodePath from 'node:path';
import nodeFs from 'node:fs';
import { Injectable } from '@nestjs/common';
import { CacheManagementService, type ManagedMemoryKVCache } from '@/global/CacheManagementService.js';
import { bindThis } from '@/decorators.js';
@Injectable()
export class DependencyService {
protected readonly dependencyVersionCache: ManagedMemoryKVCache<string | null>;
constructor(cacheManagementService: CacheManagementService) {
this.dependencyVersionCache = cacheManagementService.createMemoryKVCache<string | null>(Infinity);
}
/**
* Returns the installed version of a given dependency, or null if not installed.
*/
@bindThis
public async getDependencyVersion(dependency: string): Promise<string | null> {
return await this.dependencyVersionCache.fetch(dependency, async () => {
const packageJsonPath = nodePath.join(import.meta.dirname, '../../package.json');
const packageJsonText = nodeFs.readFileSync(packageJsonPath, 'utf8');
// No "dependencies" section -> infer not installed.
const packageJson = JSON.parse(packageJsonText) as { dependencies?: Partial<Record<string, string>> };
if (packageJson.dependencies == null) return null;
// Not listed -> not installed.
const version = packageJson.dependencies['mfm-js'];
if (version == null) return null;
// Just in case some other value is there
return String(version);
});
}
}

36
packages/backend/src/global/EnvService.ts
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@ -3,25 +3,15 @@
* SPDX-License-Identifier: AGPL-3.0-only * SPDX-License-Identifier: AGPL-3.0-only
*/ */
import nodePath from 'node:path';
import nodeFs from 'node:fs';
import { Injectable } from '@nestjs/common'; import { Injectable } from '@nestjs/common';
import { bindThis } from '@/decorators.js'; import { createEnvOptions, type EnvOption } from '@/env.js';
import { type ManagedMemoryKVCache, CacheManagementService } from '@/global/CacheManagementService.js';
import { type EnvOption, createEnvOptions } from '@/env.js';
/** /**
* Provides structured, mockable access to runtime/environment details. * Provides structured, mockable access to runtime/environment details.
*/ */
@Injectable() @Injectable()
export class EnvService { export class EnvService {
protected readonly dependencyVersionCache: ManagedMemoryKVCache<string | null>; protected readonly envOptions: EnvOption = createEnvOptions(() => this.env);
protected readonly envOptions: EnvOption;
constructor(cacheManagementService: CacheManagementService) {
this.dependencyVersionCache = cacheManagementService.createMemoryKVCache<string | null>(Infinity);
this.envOptions = createEnvOptions(() => this.env);
}
/** /**
* Returns the environment variables of the process. * Returns the environment variables of the process.
@ -38,26 +28,4 @@ export class EnvService {
public get options(): EnvOption { public get options(): EnvOption {
return this.envOptions; return this.envOptions;
} }
/**
* Returns the installed version of a given dependency, or null if not installed.
*/
@bindThis
public async getDependencyVersion(dependency: string): Promise<string | null> {
return await this.dependencyVersionCache.fetch(dependency, async () => {
const packageJsonPath = nodePath.join(import.meta.dirname, '../../package.json');
const packageJsonText = nodeFs.readFileSync(packageJsonPath, 'utf8');
// No "dependencies" section -> infer not installed.
const packageJson = JSON.parse(packageJsonText) as { dependencies?: Partial<Record<string, string>> };
if (packageJson.dependencies == null) return null;
// Not listed -> not installed.
const version = packageJson.dependencies['mfm-js'];
if (version == null) return null;
// Just in case some other value is there
return String(version);
});
}
} }