Moved new build process out of gulp folder

build/scripts.js

@@ -0,0 +1,75 @@
+const glob = require('./lib/glob');
+const { ROOT, readFile } = require('./resolve');
+const actions = require('./actions');
+const File = require('./file');
+const Promise = require('bluebird');
+const { minify } = require('terser');
+
+module.exports = exports = async function scripts (prod) {
+  const globalFiles = await glob('js/_*.js', { cwd: ROOT, nodir: true });
+  globalFiles.unshift(
+    require.resolve('jquery'),
+    require.resolve('magnific-popup'),
+    require.resolve('popper.js/dist/umd/popper.js'),
+    require.resolve('bootstrap/js/dist/util.js'),
+    require.resolve('bootstrap/js/dist/dropdown.js'),
+  );
+
+  const globalScript = new ClientScript('js/global.js');
+  await globalScript.concat(globalFiles, prod);
+
+  const files = await Promise.map(glob('js/*.js', { cwd: ROOT, nodir: true }), async (filepath) => {
+    const f = new ClientScript(filepath);
+    if (f.preprocessed) return false;
+    await f.load(prod);
+    return f;
+  }).filter(Boolean);
+
+  const tasks = files.map((f) => f.tasks()).flat();
+
+  tasks.push(...globalScript.tasks());
+
+  return tasks;
+};
+
+
+class ClientScript extends File {
+
+  _dir (dir) {
+    dir = dir.split('/');
+    return dir;
+  }
+
+  async load (prod) {
+    let contents = (await readFile(this.input).catch(() => '')).toString('utf8');
+    if (prod) {
+      const { code, error } = minify(contents);
+      if (error) throw new Error(error);
+      contents = code;
+    }
+    this.content = contents;
+  }
+
+  async concat (files, prod) {
+    let contents = await Promise.map(files, readFile);
+    contents = contents.join('\n\n');
+    if (prod) {
+      const { code, error } = minify(contents);
+      if (error) throw new Error(error);
+      contents = code;
+    }
+    this.content = contents;
+  }
+
+  tasks () {
+
+    return [ {
+      input: this.input,
+      output: this.out,
+      content: this.content,
+      action: actions.write,
+      nocache: true,
+    } ];
+  }
+
+}