@homer0/package-info/dist/index.js

Gets the content of the project's package.json

"use strict";
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
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 __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
  // If the importer is in node compatibility mode or this is not an ESM
  // file that has been converted to a CommonJS file using a Babel-
  // compatible transform (i.e. "__esModule" has not been set), then set
  // "default" to the CommonJS "module.exports" for node compatibility.
  isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
  mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var index_exports = {};
__export(index_exports, {
  PackageInfo: () => PackageInfo,
  packageInfo: () => packageInfo,
  packageInfoProvider: () => packageInfoProvider
});
module.exports = __toCommonJS(index_exports);
var fsSync = __toESM(require("fs"));
var fsPromises = __toESM(require("fs/promises"));
var import_path_utils = require("@homer0/path-utils");
var import_deferred = require("@homer0/deferred");
var import_jimple = require("@homer0/jimple");
const deps = (0, import_jimple.injectHelper)();
class PackageInfo {
  /**
   * A deferred promise that resolves when the package.json file is read. It will be
   * `undefined` if the file hasn't been read yet, or the contents are already saved in
   * the service.
   */
  defer;
  /**
   * This property will store the contents of the file once it is read.
   */
  contents;
  /**
   * The absolute path to the package.json file.
   */
  filepath;
  constructor({ inject = {} } = {}) {
    const usePathUtils = deps.get(inject, "pathUtils", () => (0, import_path_utils.pathUtils)());
    this.filepath = usePathUtils.join("package.json");
  }
  /**
   * Gets the contents of the implementation's package.json file.
   */
  async get() {
    if (this.contents) return this.contents;
    if (this.defer) return this.defer.promise;
    this.defer = (0, import_deferred.deferred)();
    const packageJson = await fsPromises.readFile(this.filepath, "utf8");
    return this.updateContents(packageJson);
  }
  /**
   * Synchronously gets the contents of the implementation's package.json file.
   */
  getSync() {
    if (this.contents) return this.contents;
    const packageJson = fsSync.readFileSync(this.filepath, "utf8");
    return this.updateContents(packageJson);
  }
  /**
   * This is a helper that takes care of updating the property with the file contents, and
   * if the deferred promise exists, resolve it and delete it.
   *
   * @param contents  The contents of the package.json file.
   */
  updateContents(contents) {
    this.contents = JSON.parse(contents);
    if (this.defer) {
      this.defer.resolve(this.contents);
      this.defer = void 0;
    }
    return this.contents;
  }
}
const packageInfo = (...args) => new PackageInfo(...args);
const packageInfoProvider = (0, import_jimple.providerCreator)(
  ({ serviceName = "packageInfo", ...rest } = {}) => (container) => {
    container.set(serviceName, () => {
      const { services = {} } = rest;
      const inject = deps.resolve(["pathUtils"], container, services);
      return new PackageInfo({ inject });
    });
  }
);
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  PackageInfo,
  packageInfo,
  packageInfoProvider
});
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