Rewrote gulp/content

gulp/content/files.js

@@ -0,0 +1,84 @@
+const path = require('path');
+const glob = require('../lib/glob');
+const memoize = require('memoizepromise');
+const getDimensions = require('../lib/dimensions');
+const { keyBy } = require('lodash');
+
+const RESOLUTIONS = [ 2048, 1024, 768, 576, 300, 100 ];
+
+module.exports = exports = function () {
+  return memoize(async (cwd, siteDir) => {
+    const imageFiles = (await glob('{*,_images/*}.{jpeg,jpg,png,gif,mp4}', { cwd }));
+
+    const images = (await Promise.all(imageFiles.map(async (imgpath) => {
+
+      const ext = path.extname(imgpath);
+      let basename = path.basename(imgpath, ext);
+
+      if (basename === 'titlecard') return;
+
+      if (ext === '.mp4') {
+        return {
+          name: basename,
+          type: 'movie',
+          full: path.join(siteDir, `${basename}${ext}`),
+        };
+      }
+
+      const dimensions = await getDimensions(path.resolve(cwd, imgpath));
+      const { width, height } = dimensions;
+      dimensions.ratioH = Math.round((height / width) * 100);
+      dimensions.ratioW = Math.round((width / height) * 100);
+      if (dimensions.ratioH > 100) {
+        dimensions.orientation = 'tall';
+      } else if (dimensions.ratioH === 100) {
+        dimensions.orientation = 'square';
+      } else {
+        dimensions.orientation = 'wide';
+      }
+
+      if (basename[0] === '_') {
+        basename = basename.slice(1);
+      }
+
+      const filetype = {
+        '.jpeg': 'jpeg',
+        '.jpg':  'jpeg',
+        '.png':  'png',
+        '.gif':  'gif',
+      }[ext];
+
+      const sizes = [
+        {
+          url: path.join(siteDir, `${basename}.${filetype}`),
+          width: dimensions.width,
+          height: dimensions.height,
+        },
+      ];
+
+      for (const w of RESOLUTIONS) {
+        if (w > dimensions.width) continue;
+        sizes.push({
+          url: path.join(siteDir, `${basename}.${w}w.${filetype}`),
+          width: w,
+          height: Math.ceil((w / dimensions.width) * dimensions.height),
+        });
+      }
+
+      sizes.reverse();
+
+      return {
+        name: basename,
+        type: 'image',
+        sizes,
+      };
+    }))).filter(Boolean);
+
+    const titlecard = (await glob('titlecard.{jpeg,jpg,png,gif}', { cwd }))[0];
+
+    return {
+      images: keyBy(images, 'name'),
+      titlecard: titlecard ? path.join(siteDir, titlecard) : '/images/titlecard.png',
+    };
+  });
+};