43 lines
977 B
TypeScript
43 lines
977 B
TypeScript
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import path from 'path';
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import { promises as fs } from 'fs';
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export interface RegistryOptions {
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override: boolean;
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}
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export class Registry<T> {
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private map = new Map<string, T>();
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options: RegistryOptions;
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constructor(options: RegistryOptions = { override: false }) {
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this.options = options;
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}
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register(key: string, value: T): void {
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if (!this.options.override && this.map.has(key)) {
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throw new Error(`this registry does not allow to override existing keys: "${key}"`);
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}
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this.map.set(key, value);
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}
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// async import({ directory, extensions = ['.js', '.ts', '.json'] }) {
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// const files = await fs.readdir(directory);
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// return files.filter(file => extensions.includes(path.extname(file)))
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// }
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get(key: string): T {
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return this.map.get(key);
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}
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getValues(): Iterable<T> {
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return this.map.values();
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}
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getEntities(): Iterable<[string, T]> {
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return this.map.entries();
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}
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}
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export default Registry;
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