ts-ioc-container/esm/container/AliasMap.js

Typescript IoC container

import { List as L } from '../utils';
export class AliasMap {
    aliasToKeySet = new Map();
    deleteKeyFromAliases(key) {
        for (const [depKey, aliasSet] of [...this.aliasToKeySet].filter(([k, aliasSet]) => aliasSet.has(key))) {
            aliasSet.delete(key);
            if (aliasSet.size === 0) {
                this.aliasToKeySet.delete(depKey);
            }
        }
    }
    findManyKeysByAlias(alias) {
        return [...(this.aliasToKeySet.get(alias) ?? [])];
    }
    findLastKeyByAlias(alias) {
        const keys = [...(this.aliasToKeySet.get(alias) ?? [])];
        return keys.length > 0 ? L.lastOf(keys) : undefined;
    }
    addAliases(key, aliases) {
        for (const alias of aliases) {
            const currentAliasKeys = this.aliasToKeySet.get(alias) ?? new Set();
            this.aliasToKeySet.set(alias, currentAliasKeys.add(key));
        }
    }
    destroy() {
        this.aliasToKeySet.clear();
    }
}