Added support for loading posts

build/files.js

@@ -0,0 +1,71 @@
+const path = require('path');
+const { groupBy, keyBy, filter, find, get, memoize } = require('lodash');
+const { kind, KIND } = require('./resolve');
+const File = require('./file');
+const Asset = require('./asset');
+const Page = require('./page');
+
+module.exports = exports = class Files {
+
+  constructor (paths, base = '') {
+    this.KIND_MAP = this._kindMap();
+
+    this.base = base;
+    this.files = paths.map(this._parsePath.bind(this)).filter(Boolean);
+
+    const {
+      [KIND.PAGE]:  pages,
+      [KIND.ASSET]: assets,
+    } = groupBy(this.files, 'kind');
+
+    this.pages  = pages || [];
+    this.assets = assets || [];
+
+    this._getTitlecard = memoize(() =>
+      get(find(this.files, { name: 'titlecard', dir: this.base }), [ 0, 'url' ]),
+    );
+
+    this._getWebReady = memoize(() => assets && keyBy(assets.map((a) => a.webready()), 'name'));
+
+    this.for = memoize(this.for);
+  }
+
+  get all () {
+    return this.files;
+  }
+
+  get titlecard () {
+    return this._getTitlecard();
+  }
+
+  get webready () {
+    return this._getWebReady();
+  }
+
+  get tasks () {
+    return this.files.map((a) => a.tasks()).flat(1);
+  }
+
+  for (dir) {
+    dir = path.join(this.base, dir);
+    const subset = filter(this.files, { dir });
+    return new this.constructor(subset, dir);
+  }
+
+  _kindMap () {
+    return {
+      [KIND.PAGE]:  Page,
+      [KIND.ASSET]: Asset,
+      [KIND.OTHER]: File,
+    };
+  }
+
+  _parsePath (filepath) {
+    if (typeof filepath === 'object') return filepath;
+    const k = kind(filepath);
+    const F = this.KIND_MAP[k];
+    const f = new F(filepath);
+    if (f.kind === KIND.PAGE && f.preprocessed) return false;
+    return f;
+  }
+};