@atlaskit/editor-plugin-interactivity/dist/es2019/collections/bounded-map.js

Interactivity plugin for @atlaskit/editor-core

import _defineProperty from "@babel/runtime/helpers/defineProperty";
/** A `Map` that forgets its oldest entry once it holds more than `limit`. */
export class BoundedMap {
  constructor(limit) {
    _defineProperty(this, "entries", new Map());
    this.limit = limit;
  }
  get(key) {
    return this.entries.get(key);
  }
  forEach(visit) {
    this.entries.forEach(visit);
  }
  set(key, value) {
    this.entries.delete(key);
    this.entries.set(key, value);
    if (this.entries.size <= this.limit) {
      return;
    }
    const oldest = this.entries.keys().next();
    if (!oldest.done) {
      this.entries.delete(oldest.value);
    }
  }
}