Current Dev State

static/js/ketcher2/node_modules/babelify/index.js

@@ -0,0 +1,76 @@
+var assign = require("object-assign");
+var stream = require("stream");
+var babel  = require("babel-core");
+var util   = require("util");
+
+module.exports = Babelify;
+util.inherits(Babelify, stream.Transform);
+
+function Babelify(filename, opts) {
+  if (!(this instanceof Babelify)) {
+    return Babelify.configure(opts)(filename);
+  }
+
+  stream.Transform.call(this);
+  this._data = "";
+  this._filename = filename;
+  this._opts = assign({filename: filename}, opts);
+}
+
+Babelify.prototype._transform = function (buf, enc, callback) {
+  this._data += buf;
+  callback();
+};
+
+Babelify.prototype._flush = function (callback) {
+  try {
+    var result = babel.transform(this._data, this._opts);
+    this.emit("babelify", result, this._filename);
+    var code = result.code;
+    this.push(code);
+  } catch(err) {
+    this.emit("error", err);
+    return;
+  }
+  callback();
+};
+
+Babelify.configure = function (opts) {
+  opts = assign({}, opts);
+  var extensions = opts.extensions ? babel.util.arrayify(opts.extensions) : null;
+  var sourceMapsAbsolute = opts.sourceMapsAbsolute;
+  if (opts.sourceMaps !== false) opts.sourceMaps = "inline";
+
+  // babelify specific options
+  delete opts.sourceMapsAbsolute;
+  delete opts.extensions;
+  delete opts.filename;
+
+  // babelify backwards-compat
+  delete opts.sourceMapRelative;
+
+  // browserify specific options
+  delete opts._flags;
+  delete opts.basedir;
+  delete opts.global;
+
+  // browserify cli options
+  delete opts._;
+  // "--opt [ a b ]" and "--opt a --opt b" are allowed:
+  if (opts.ignore && opts.ignore._) opts.ignore = opts.ignore._;
+  if (opts.only && opts.only._) opts.only = opts.only._;
+  if (opts.plugins && opts.plugins._) opts.plugins = opts.plugins._;
+  if (opts.presets && opts.presets._) opts.presets = opts.presets._;
+
+  return function (filename) {
+    if (!babel.util.canCompile(filename, extensions)) {
+      return stream.PassThrough();
+    }
+
+    var _opts = sourceMapsAbsolute
+      ? assign({sourceFileName: filename}, opts)
+      : opts;
+
+    return new Babelify(filename, _opts);
+  };
+};