react-magnetic-di/lib/esm/react/injectable.js

Context driven dependency injection

import { diRegistry } from './constants';
import { getDisplayName, warnOnce } from './utils';
export function injectable(from, implementation, {
  displayName,
  target,
  track = true,
  global = false
} = {}) {
  let impl = implementation;
  if (typeof impl === 'function') {
    impl.displayName = displayName || getDisplayName(impl) || getDisplayName(from, 'di');
  } else if (typeof impl !== 'object') {
    impl = {
      [Symbol.toPrimitive]() {
        return implementation;
      }
    };
  }
  if (diRegistry.has(impl) && diRegistry.get(impl).from !== from) {
    warnOnce(`You are trying to use replacement "${displayName || impl.displayName}" on multiple injectables. ` + `That will override only the last dependency, as each replacement is uniquely linked.`);
  }
  diRegistry.set(impl, {
    value: implementation,
    from,
    targets: target && new WeakSet(Array.isArray(target) ? target : [target]),
    track,
    global,
    cause: track ? new Error('Injectable created but not used. If this is on purpose, add "{track: false}"') : null
  });
  return impl;
}