add some babel stuff

node_modules/@babel/template/lib/formatters.js

@@ -0,0 +1,75 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.program = exports.expression = exports.statement = exports.statements = exports.smart = void 0;
+
+function makeStatementFormatter(fn) {
+  return {
+    code: function code(str) {
+      return "/* @babel/template */;\n" + str;
+    },
+    validate: function validate() {},
+    unwrap: function unwrap(ast) {
+      return fn(ast.program.body.slice(1));
+    }
+  };
+}
+
+var smart = makeStatementFormatter(function (body) {
+  if (body.length > 1) {
+    return body;
+  } else {
+    return body[0];
+  }
+});
+exports.smart = smart;
+var statements = makeStatementFormatter(function (body) {
+  return body;
+});
+exports.statements = statements;
+var statement = makeStatementFormatter(function (body) {
+  if (body.length === 0) {
+    throw new Error("Found nothing to return.");
+  }
+
+  if (body.length > 1) {
+    throw new Error("Found multiple statements but wanted one");
+  }
+
+  return body[0];
+});
+exports.statement = statement;
+var expression = {
+  code: function code(str) {
+    return "(\n" + str + "\n)";
+  },
+  validate: function validate(_ref) {
+    var program = _ref.program;
+
+    if (program.body.length > 1) {
+      throw new Error("Found multiple statements but wanted one");
+    }
+
+    var expression = program.body[0].expression;
+
+    if (expression.start === 0) {
+      throw new Error("Parse result included parens.");
+    }
+  },
+  unwrap: function unwrap(ast) {
+    return ast.program.body[0].expression;
+  }
+};
+exports.expression = expression;
+var program = {
+  code: function code(str) {
+    return str;
+  },
+  validate: function validate() {},
+  unwrap: function unwrap(ast) {
+    return ast.program;
+  }
+};
+exports.program = program;