flow like the river

BACK_BACK/node_modules/htmlnano/lib/htmlnano.js

@@ -0,0 +1,54 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _posthtml = _interopRequireDefault(require("posthtml"));
+
+var _safe = _interopRequireDefault(require("./presets/safe"));
+
+var _ampSafe = _interopRequireDefault(require("./presets/ampSafe"));
+
+var _max = _interopRequireDefault(require("./presets/max"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function htmlnano(options = {}, preset = _safe.default) {
+  return function minifier(tree) {
+    options = { ...preset,
+      ...options
+    };
+    let promise = Promise.resolve(tree);
+
+    for (const [moduleName, moduleOptions] of Object.entries(options)) {
+      if (!moduleOptions) {
+        // The module is disabled
+        continue;
+      }
+
+      if (_safe.default[moduleName] === undefined) {
+        throw new Error('Module "' + moduleName + '" is not defined');
+      }
+
+      let module = require('./modules/' + moduleName);
+
+      promise = promise.then(tree => module.default(tree, options, moduleOptions));
+    }
+
+    return promise;
+  };
+}
+
+htmlnano.process = function (html, options, preset, postHtmlOptions) {
+  return (0, _posthtml.default)([htmlnano(options, preset)]).process(html, postHtmlOptions);
+};
+
+htmlnano.presets = {
+  safe: _safe.default,
+  ampSafe: _ampSafe.default,
+  max: _max.default
+};
+var _default = htmlnano;
+exports.default = _default;