flow like the river

VISUALIZACION/node_modules/parcel-bundler/lib/assets/ReasonAsset.js

@@ -0,0 +1,38 @@
+'use strict';
+
+function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }
+
+const Asset = require('../Asset');
+const fs = require('../utils/fs');
+const localRequire = require('../utils/localRequire');
+
+class ReasonAsset extends Asset {
+  constructor(name, pkg, options) {
+    super(name, pkg, options);
+    this.type = 'js';
+  }
+
+  generate() {
+    var _this = this;
+
+    return _asyncToGenerator(function* () {
+      const bsb = yield localRequire('bsb-js', _this.name);
+
+      // This runs BuckleScript - the Reason to JS compiler.
+      // Other Asset types use `localRequire` but the `bsb-js` package already
+      // does that internally. This should also take care of error handling in
+      // the Reason compilation process.
+      if (process.env.NODE_ENV !== 'test') {
+        yield bsb.runBuild();
+      }
+
+      // This is a simplified use-case for Reason - it only loads the recommended
+      // BuckleScript configuration to simplify the file processing.
+      const outputFile = _this.name.replace(/\.(re|ml)$/, '.bs.js');
+      const outputContent = yield fs.readFile(outputFile);
+      return outputContent.toString();
+    })();
+  }
+}
+
+module.exports = ReasonAsset;