alia/dist/utils/di.js

Alias To Go

const registry = new Map();
const stack = new Set();
export function inject(token) {
    const instance = registry.get(token);
    if (instance) {
        return instance;
    }
    if (stack.has(token)) {
        const chain = [...stack].map((t) => t.name).join(' -> ');
        stack.clear();
        throw new Error(`Circular dependency in ${token.name}: ${chain} -> ${token.name}`);
    }
    stack.add(token);
    const newInstance = new token();
    stack.delete(token);
    return provide(token, newInstance);
}
export function provide(token, instance) {
    registry.set(token, instance);
    return instance;
}
export function clearProviders() {
    registry.clear();
    stack.clear();
}