antlr4ng/dist/misc/MultiMap.cjs

Alternative JavaScript/TypeScript runtime for ANTLR4

var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/misc/MultiMap.ts
var MultiMap_exports = {};
__export(MultiMap_exports, {
  MultiMap: () => MultiMap
});
module.exports = __toCommonJS(MultiMap_exports);
var MultiMap = class extends Map {
  static {
    __name(this, "MultiMap");
  }
  map(key, value) {
    let elementsForKey = this.get(key);
    if (!elementsForKey) {
      elementsForKey = new Array();
      this.set(key, elementsForKey);
    }
    elementsForKey.push(value);
  }
  getPairs() {
    const pairs = new Array();
    for (const key of this.keys()) {
      const keys = this.get(key) ?? [];
      for (const value of keys) {
        pairs.push([key, value]);
      }
    }
    return pairs;
  }
  toString() {
    const entries = [];
    this.forEach((value, key) => {
      entries.push(`${key}=[${value.join(", ")}]`);
    });
    return `{${entries.join(", ")}}`;
  }
};