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import { join } from "./deps/path.js";
class Base {  src = {};  parent = null;  #data = {};  #cache = null;
  constructor(src) {    this.src = src;  }
  get data() {    if (!this.#cache) {      this.#cache = this.getMergedData();    }
    return this.#cache;  }
  set data(data = {}) {    this.#data = data;  }
  getMergedData() {    let data = { ...this.#data }, tags = [];
    if (data.tags) {      tags = Array.isArray(data.tags)        ? data.tags.map((tag) => String(tag))        : [String(data.tags)];    }
    if (this.parent) {      data = { ...this.parent.data, ...data };      tags = [...this.parent.data.tags, ...tags];    }
    data.tags = [...new Set(tags)];
    return data;  }
  refreshCache() {    this.#cache = null;  }}
/** * Class to represent a page file */export class Page extends Base {  dest = {};  #content = null;
  duplicate(data = {}) {    const page = new Page(this.src);    page.dest = { ...this.dest };    page.data = { ...this.data, ...data };    page.parent = this.parent;
    return page;  }
  set content(content) {    this.#content = content;  }
  get content() {    return this.#content;  }}
/** * Class to represent a directory */export class Directory extends Base {  pages = new Map();  dirs = new Map();
  createDirectory(name) {    const path = join(this.src.path, name);    const directory = new Directory({ path });    directory.parent = this;    this.dirs.set(name, directory);    return directory;  }
  setPage(name, page) {    const oldPage = this.pages.get(name);    page.parent = this;    this.pages.set(name, page);
    if (oldPage) {      page.dest.hash = oldPage.dest.hash;    }  }
  unsetPage(name) {    this.pages.delete(name);  }
  *getPages(recursive = true) {    for (const page of this.pages.values()) {      yield page;    }
    if (recursive) {      for (const dir of this.dirs.values()) {        yield* dir.getPages();      }    }  }
  refreshCache() {    this.pages.forEach((page) => page.refreshCache());    this.dirs.forEach((dir) => dir.refreshCache());    super.refreshCache();  }}