Moved new build process out of gulp folder

build/resolve.js

@@ -0,0 +1,147 @@
+
+const path = require('path');
+const ROOT = path.resolve(__dirname, '..');
+const fs = require('fs-extra');
+const { is: _is } = require('./lib/util');
+
+function is (...args) {
+  const fn = _is(...args);
+  const ret = (ext) => fn(normalizedExt(ext));
+  ret.matching = args;
+  return ret;
+}
+
+function dictMatch (dict, def) {
+  const arr = Object.entries(dict);
+
+  return (tok) => {
+    for (const [ key, fn ] of arr) {
+      // console.log({ key, tok, r: fn(tok), matching: fn.matching })
+      if (fn(tok)) return key;
+    }
+    return def;
+  };
+}
+
+const EXT = exports.EXT = {
+  JPG:  '.jpg',
+  JPEG: '.jpeg',
+  PNG:  '.png',
+  GIF:  '.gif',
+  MP4:  '.mp4',
+  M4V:  '.m4v',
+  MD:   '.md',
+  HBS:  '.hbs',
+  HTML: '.html',
+  XML:  '.xml',
+  CSS:  '.css',
+  SCSS: '.scss',
+  JS:   '.js',
+};
+
+const {
+  JPG,
+  JPEG,
+  PNG,
+  GIF,
+  MP4,
+  M4V,
+  MD,
+  HBS,
+  HTML,
+  XML,
+  CSS,
+  SCSS,
+  JS,
+} = EXT;
+
+const NORMALIZE_EXT = {
+  [JPG]:  JPEG,
+  [M4V]:  MP4,
+  [HBS]:  HTML,
+};
+
+const normalizedExt = exports.normalizedExt = (ext) => {
+  if (ext[0] !== '.') ext = '.' + ext.split('.').pop();
+  return NORMALIZE_EXT[ext] || ext;
+};
+
+const isVideo      = exports.isVideo       = is(MP4, M4V);
+const isImage      = exports.isImage       = is(JPG, JPEG, PNG, GIF);
+const isHandlebars = exports.isHandlebars  = is(XML, HBS, HTML);
+const isMarkdown   = exports.isMarkdown    = is(MD);
+const isPage       = exports.isPage        = is(isHandlebars, isMarkdown);
+const isAsset      = exports.isAsset       = is(isImage, isVideo);
+const isArtifact   = exports.isArtifact    = is(CSS, SCSS, JS);
+exports.isCleanUrl = is(HBS, MD);
+
+
+
+const TYPE = exports.TYPE = {
+  IMAGE:      'IMAGE',
+  VIDEO:      'VIDEO',
+  HANDLEBARS: 'HANDLEBARS',
+  MARKDOWN:   'MARKDOWN',
+  SCRIPT:     'SCRIPT',
+  STYLE:      'STYLE',
+  OTHER:      'OTHER',
+};
+
+exports.type = dictMatch({
+  [TYPE.IMAGE]:      isImage,
+  [TYPE.HANDLEBARS]: isHandlebars,
+  [TYPE.MARKDOWN]:   isMarkdown,
+  [TYPE.VIDEO]:      isVideo,
+  [TYPE.SCRIPT]:     is(JS),
+  [TYPE.STYLE]:      is(SCSS, CSS),
+}, TYPE.OTHER);
+
+
+
+const KIND = exports.KIND = {
+  PAGE:     'PAGE',
+  ASSET:    'ASSET',
+  ARTIFACT: 'ARTIFACT',
+  OTHER:    'OTHER',
+};
+
+exports.kind = dictMatch({
+  [KIND.ASSET]:    isAsset,
+  [KIND.PAGE]:     isPage,
+  [KIND.ARTIFACT]: isArtifact,
+}, KIND.OTHER);
+
+
+
+const ENGINE = exports.ENGINE = {
+  HANDLEBARS: 'HANDLEBARS',
+  MARKDOWN:   'MARKDOWN',
+  COPY:       'COPY',
+};
+
+exports.engine = dictMatch({
+  [ENGINE.HANDLEBARS]: is(XML, HBS, HTML),
+  [ENGINE.MARKDOWN]:   is(MD),
+}, ENGINE.COPY);
+
+
+
+exports.readFile = function readFile (fpath) {
+  fpath = exports.resolve(fpath);
+  return fs.readFile(fpath).catch((err) => {
+    throw new Error(err.message);
+  });
+};
+
+exports.resolve = function resolve (...args) {
+  args = args.filter(Boolean);
+  const fpath = args.shift();
+  if (!fpath) return ROOT;
+  return path.resolve(ROOT, fpath, ...args);
+};
+
+exports.relative = function relative (fpath) {
+  return path.relative(ROOT, fpath);
+};
+
+exports.ROOT = ROOT;