123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189
import {  join,  dirname,  basename,  extname,} from "./deps/path.js";import { Directory, Page } from "./tree.js";
export default class Source {  root = new Directory({ path: "/" });
  data = new Map();  pages = new Map();  staticFiles = new Map();  assets = new Set();
  constructor(path) {    this.path = path;  }
  getDirectory(path) {    let dir = this.root;
    path.split("/").forEach((name) => {      if (!name) {        return;      }
      dir = dir.dirs.get(name);    });
    return dir;  }
  async load() {    await this.#loadDirectory(this.root);    this.root.expand();  }
  async update(files) {    await Promise.all(      Array.from(files).map((file) => {        const directory = this.getDirectory(dirname(file));
        const entry = {          name: basename(file),          isFile: true,          isDirectory: false,          isSymlink: false,        };
        return this.#loadEntry(directory, entry);      }),    );
    this.root.expand();  }
  async #loadDirectory(directory) {    const path = join(this.path, directory.src.path);
    return Promise.all(      Array.from(Deno.readDirSync(path)).map((entry) =>        this.#loadEntry(directory, entry)      ),    );  }
  async #loadEntry(directory, entry) {    if (entry.isSymlink || entry.name.startsWith(".")) {      return;    }
    const path = join(directory.src.path, entry.name);
    if (this.staticFiles.has(path)) {      return;    }
    if (entry.isDirectory && entry.name === "_data") {      directory.addData(await this.#loadDataFolder(path));      return;    }
    if (entry.isFile && entry.name.match(/^_data\.\w+$/)) {      directory.addData(await this.#loadData(path));      return;    }
    if (entry.name.startsWith("_")) {      return;    }
    if (entry.isFile) {      const page = await this.#loadPage(path);
      if (page) {        directory.pages.set(entry.name, page);      }      return;    }
    if (entry.isDirectory) {      const subDirectory = new Directory({ path });      directory.dirs.set(entry.name, subDirectory);      return this.#loadDirectory(subDirectory);    }  }
  async #loadData(path) {    for (const [ext, loader] of this.data) {      if (path.endsWith(ext)) {        return loader(join(this.path, path));      }    }  }
  async #loadPage(path) {    let ext, load;
    for (const [key, value] of this.pages) {      if (path.endsWith(key)) {        ext = key;        load = value;        break;      }    }
    if (!load) {      return;    }
    const fullPath = join(this.path, path);    const info = await Deno.stat(fullPath);    const src = {      path: path.slice(0, -ext.length),      lastModified: info.mtime,      created: info.birthtime,      ext,    };
    const page = new Page(src);    page.addData(await load(fullPath));
    page.dest.path = page.src.path;    page.dest.ext = this.assets.has(ext) ? ext : ".html";
    if (!page.data.date) {      page.data.date = info.birthtime || info.mtime;    } else if (!(page.data.date instanceof Date)) {      throw new Error(        'Invalid date. Use "yyyy-mm-dd" or "yyy-mm-dd hh:mm:ss" formats',      );    }
    return page;  }
  async #loadDataFolder(path) {    const data = {};
    await Promise.all(      Array.from(Deno.readDirSync(join(this.path, path))).map(async (entry) => {        if (          entry.isSymlink || entry.name.startsWith(".") ||          entry.name.startsWith("_")        ) {          return;        }
        if (entry.isFile) {          const name = basename(entry.name, extname(entry.name));          data[name] = Object.assign(            data[name] || {},            await this.#loadData(join(path, entry.name)),          );          return;        }
        if (entry.isDirectory) {          data[entry.name] = await this.#loadDataFolder(join(path, entry.name));        }      }),    );
    return data;  }}