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Merge pull request #68 from namecheap/perf/intl
perf: add TTL cache for Intl service
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,14 +1,13 @@ | ||
| { | ||
| "extends": "../../tsconfig.json", | ||
| "compilerOptions": { | ||
| "composite": true, | ||
| "target": "es2015", | ||
| "module": "commonjs", | ||
| "declaration": true, | ||
| "outDir": "../../dist/app", | ||
| "strict": true, | ||
| "types" : ["mocha"], | ||
| "esModuleInterop": true | ||
| }, | ||
| "include": ["**/*.ts"], | ||
| } | ||
| "extends": "../../tsconfig.json", | ||
| "compilerOptions": { | ||
| "composite": true, | ||
| "target": "es2015", | ||
| "module": "commonjs", | ||
| "declaration": true, | ||
| "outDir": "../../dist/app", | ||
| "strict": true, | ||
| "esModuleInterop": true | ||
| }, | ||
| "include": ["**/*.ts"] | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| type Options = { | ||
| ttl?: number; | ||
| cleanupInterval?: number; | ||
| }; | ||
|
|
||
| type CacheKeyFn<K, U extends unknown[]> = (...args: U) => K; | ||
|
|
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| type CacheItem<V> = { | ||
| value: V; | ||
| expiresAt: number; | ||
| }; | ||
|
|
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| export class TtlCache<K, V> { | ||
| private cache: Map<K, CacheItem<V>> = new Map(); | ||
| private ttl: number; // Time-to-live in milliseconds | ||
| private cleanupInterval: number; | ||
| private timeoutId?: NodeJS.Timeout; | ||
|
|
||
| constructor({ ttl = 10_000, cleanupInterval = 5000 }: Options = {}) { | ||
| this.ttl = ttl; | ||
| this.cleanupInterval = cleanupInterval; | ||
| this.scheduleCleanup(); | ||
| } | ||
|
|
||
| // Set a value with expiration | ||
| public set(key: K, value: V): void { | ||
| this.cache.set(key, { value, expiresAt: Date.now() + this.ttl }); | ||
| } | ||
|
|
||
| public get(key: K): V | undefined { | ||
| const entry = this.cache.get(key); | ||
| if (!entry) return undefined; | ||
| return entry.value; | ||
| } | ||
|
|
||
| public wrap<T extends (...args: any[]) => any>( | ||
| fn: T, | ||
| cacheKeyFn: CacheKeyFn<K, Parameters<T>>, | ||
| ): (...args: Parameters<T>) => ReturnType<T> { | ||
| return (...args: Parameters<T>) => { | ||
| const cacheKey = cacheKeyFn(...args); | ||
| const cachedValue = this.get(cacheKey); | ||
| if (cachedValue !== undefined) { | ||
| return cachedValue; | ||
| } else { | ||
| const value = fn(...args); | ||
| this.set(cacheKey, value); | ||
| return value; | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| private cleanup(): void { | ||
| const now = Date.now(); | ||
| for (const [key, entry] of this.cache) { | ||
| if (entry.expiresAt <= now) { | ||
| this.cache.delete(key); | ||
| } | ||
| } | ||
| this.scheduleCleanup(); | ||
| } | ||
|
|
||
| private scheduleCleanup(): void { | ||
| this.timeoutId = setTimeout(() => this.cleanup(), this.cleanupInterval); | ||
| this.timeoutId.unref?.(); | ||
| } | ||
|
|
||
| // Clear the entire cache and stop the cleanup interval | ||
| public clear(): void { | ||
| this.cache.clear(); | ||
| } | ||
|
|
||
| public destroy(): void { | ||
| this.clear(); | ||
| clearTimeout(this.timeoutId); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| export function getCanonicalLocale(locale = '', supportedLocales: string[]) { | ||
| const supportedLangs = supportedLocales.map((v) => v.split('-')[0]).filter((v, i, a) => a.indexOf(v) === i); | ||
|
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| const locData = locale.split('-'); | ||
|
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| if (locData.length === 2) { | ||
| locale = locData[0].toLowerCase() + '-' + locData[1].toUpperCase(); | ||
| } else if (locData.length === 1) { | ||
| locale = locData[0].toLowerCase(); | ||
| } else { | ||
| return null; | ||
| } | ||
|
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| if (supportedLangs.indexOf(locale.toLowerCase()) !== -1) { | ||
| for (const v of supportedLocales) { | ||
| if (v.split('-')[0] === locale) { | ||
| locale = v; | ||
| break; | ||
| } | ||
| } | ||
| } else if (supportedLocales.indexOf(locale) === -1) { | ||
| return null; | ||
| } | ||
|
|
||
| return locale; | ||
| } |
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