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filesystem.js
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filesystem.js
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import { join } from "./deps/path.js";
import { documentToString, stringToDocument } from "./utils.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;
#document = 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.#document = null;
this.#content = content;
}
get content() {
if (this.#document) {
this.#content = documentToString(this.#document);
this.#document = null;
}
return this.#content;
}
set document(document) {
this.#content = null;
this.#document = document;
}
get document() {
if (!this.#document && this.#content) {
this.#document = stringToDocument(this.#content);
}
return this.#document;
}
}
/**
* 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();
}
}