1 files changed, 101 insertions, 0 deletions
diff --git a/node_modules/babel-core/lib/tools/build-external-helpers.js b/node_modules/babel-core/lib/tools/build-external-helpers.js
new file mode 100644
index 000000000..c397b2739
--- /dev/null
+++ b/node_modules/babel-core/lib/tools/build-external-helpers.js
@@ -0,0 +1,101 @@
+"use strict";
+
+exports.__esModule = true;
+
+exports.default = function (whitelist) {
+  var outputType = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "global";
+
+  var namespace = t.identifier("babelHelpers");
+
+  var builder = function builder(body) {
+    return buildHelpers(body, namespace, whitelist);
+  };
+
+  var tree = void 0;
+
+  var build = {
+    global: buildGlobal,
+    umd: buildUmd,
+    var: buildVar
+  }[outputType];
+
+  if (build) {
+    tree = build(namespace, builder);
+  } else {
+    throw new Error(messages.get("unsupportedOutputType", outputType));
+  }
+
+  return (0, _babelGenerator2.default)(tree).code;
+};
+
+var _babelHelpers = require("babel-helpers");
+
+var helpers = _interopRequireWildcard(_babelHelpers);
+
+var _babelGenerator = require("babel-generator");
+
+var _babelGenerator2 = _interopRequireDefault(_babelGenerator);
+
+var _babelMessages = require("babel-messages");
+
+var messages = _interopRequireWildcard(_babelMessages);
+
+var _babelTemplate = require("babel-template");
+
+var _babelTemplate2 = _interopRequireDefault(_babelTemplate);
+
+var _babelTypes = require("babel-types");
+
+var t = _interopRequireWildcard(_babelTypes);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
+
+var buildUmdWrapper = (0, _babelTemplate2.default)("\n  (function (root, factory) {\n    if (typeof define === \"function\" && define.amd) {\n      define(AMD_ARGUMENTS, factory);\n    } else if (typeof exports === \"object\") {\n      factory(COMMON_ARGUMENTS);\n    } else {\n      factory(BROWSER_ARGUMENTS);\n    }\n  })(UMD_ROOT, function (FACTORY_PARAMETERS) {\n    FACTORY_BODY\n  });\n");
+
+function buildGlobal(namespace, builder) {
+  var body = [];
+  var container = t.functionExpression(null, [t.identifier("global")], t.blockStatement(body));
+  var tree = t.program([t.expressionStatement(t.callExpression(container, [helpers.get("selfGlobal")]))]);
+
+  body.push(t.variableDeclaration("var", [t.variableDeclarator(namespace, t.assignmentExpression("=", t.memberExpression(t.identifier("global"), namespace), t.objectExpression([])))]));
+
+  builder(body);
+
+  return tree;
+}
+
+function buildUmd(namespace, builder) {
+  var body = [];
+  body.push(t.variableDeclaration("var", [t.variableDeclarator(namespace, t.identifier("global"))]));
+
+  builder(body);
+
+  return t.program([buildUmdWrapper({
+    FACTORY_PARAMETERS: t.identifier("global"),
+    BROWSER_ARGUMENTS: t.assignmentExpression("=", t.memberExpression(t.identifier("root"), namespace), t.objectExpression([])),
+    COMMON_ARGUMENTS: t.identifier("exports"),
+    AMD_ARGUMENTS: t.arrayExpression([t.stringLiteral("exports")]),
+    FACTORY_BODY: body,
+    UMD_ROOT: t.identifier("this")
+  })]);
+}
+
+function buildVar(namespace, builder) {
+  var body = [];
+  body.push(t.variableDeclaration("var", [t.variableDeclarator(namespace, t.objectExpression([]))]));
+  builder(body);
+  body.push(t.expressionStatement(namespace));
+  return t.program(body);
+}
+
+function buildHelpers(body, namespace, whitelist) {
+  helpers.list.forEach(function (name) {
+    if (whitelist && whitelist.indexOf(name) < 0) return;
+
+    var key = t.identifier(name);
+    body.push(t.expressionStatement(t.assignmentExpression("=", t.memberExpression(namespace, key), helpers.get(name))));
+  });
+}
+module.exports = exports["default"];
+\ No newline at end of file