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refactor: improve cache system typing in PlatformServiceMixin

- Replace WeakMap<any, Map<string, CacheEntry<any>>> with proper VueComponentWithMixin interface
- Add VueComponentWithMixin interface with _platformService, $options, activeDid, and platformService() method
- Use CacheEntry<unknown> instead of CacheEntry<any> for better type safety
- Replace (this as any) with (this as unknown as VueComponentWithMixin) for safer type assertions
- Reduces TypeScript warnings from 53 to 29 (24 warnings eliminated)
- Maintains all existing functionality while improving type safety
pull/142/head
Matthew Raymer 3 days ago
parent
commit
54e30c1b48
  1. 53
      src/utils/PlatformServiceMixin.ts

53
src/utils/PlatformServiceMixin.ts

@ -44,11 +44,11 @@ import { Contact } from "@/db/tables/contacts";
import { QueryExecResult, DatabaseExecResult } from "@/interfaces/database";
// =================================================
// CACHING INFRASTRUCTURE
// TYPESCRIPT INTERFACES
// =================================================
/**
* Cache entry with TTL support
* Cache entry interface for storing data with TTL
*/
interface CacheEntry<T> {
data: T;
@ -56,11 +56,25 @@ interface CacheEntry<T> {
ttl: number; // milliseconds
}
/**
* Vue component interface that uses the PlatformServiceMixin
* This provides proper typing for the cache system
*/
interface VueComponentWithMixin {
_platformService: PlatformService | null;
$options: { name?: string };
activeDid?: string;
platformService(): PlatformService;
}
/**
* Global cache store for mixin instances
* Uses WeakMap to avoid memory leaks when components are destroyed
*/
const componentCaches = new WeakMap<any, Map<string, CacheEntry<any>>>();
const componentCaches = new WeakMap<
VueComponentWithMixin,
Map<string, CacheEntry<unknown>>
>();
/**
* Cache configuration constants
@ -90,32 +104,41 @@ export const PlatformServiceMixin = {
* Created once per component lifecycle
*/
platformService(): PlatformService {
if (!(this as any)._platformService) {
(this as any)._platformService = PlatformServiceFactory.getInstance();
if (!(this as unknown as VueComponentWithMixin)._platformService) {
(this as unknown as VueComponentWithMixin)._platformService =
PlatformServiceFactory.getInstance();
}
return (this as any)._platformService;
return (this as unknown as VueComponentWithMixin)._platformService!;
},
/**
* Platform detection utilities
*/
isCapacitor(): boolean {
return (this as any).platformService().isCapacitor();
return (this as unknown as VueComponentWithMixin)
.platformService()
.isCapacitor();
},
isWeb(): boolean {
return (this as any).platformService().isWeb();
return (this as unknown as VueComponentWithMixin)
.platformService()
.isWeb();
},
isElectron(): boolean {
return (this as any).platformService().isElectron();
return (this as unknown as VueComponentWithMixin)
.platformService()
.isElectron();
},
/**
* Platform capabilities
*/
capabilities() {
return (this as any).platformService().getCapabilities();
return (this as unknown as VueComponentWithMixin)
.platformService()
.getCapabilities();
},
},
@ -127,11 +150,11 @@ export const PlatformServiceMixin = {
/**
* Get or initialize cache for this component instance
*/
_getCache(): Map<string, CacheEntry<any>> {
let cache = componentCaches.get(this);
_getCache(): Map<string, CacheEntry<unknown>> {
let cache = componentCaches.get(this as unknown as VueComponentWithMixin);
if (!cache) {
cache = new Map();
componentCaches.set(this, cache);
componentCaches.set(this as unknown as VueComponentWithMixin, cache);
}
return cache;
},
@ -139,7 +162,7 @@ export const PlatformServiceMixin = {
/**
* Check if cache entry is valid (not expired)
*/
_isCacheValid(entry: CacheEntry<any>): boolean {
_isCacheValid(entry: CacheEntry<unknown>): boolean {
return Date.now() - entry.timestamp < entry.ttl;
},
@ -150,7 +173,7 @@ export const PlatformServiceMixin = {
const cache = this._getCache();
const entry = cache.get(key);
if (entry && this._isCacheValid(entry)) {
return entry.data;
return entry.data as T;
}
cache.delete(key); // Clean up expired entries
return null;

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