1 files changed, 164 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 0000000..94d85e7
--- /dev/null
+++ b/node_modules/@babel/core/lib/tools/build-external-helpers.js
@@ -0,0 +1,164 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = _default;
+
+function helpers() {
+  const data = require("@babel/helpers");
+
+  helpers = function () {
+    return data;
+  };
+
+  return data;
+}
+
+function _generator() {
+  const data = require("@babel/generator");
+
+  _generator = function () {
+    return data;
+  };
+
+  return data;
+}
+
+function _template() {
+  const data = require("@babel/template");
+
+  _template = function () {
+    return data;
+  };
+
+  return data;
+}
+
+function _t() {
+  const data = require("@babel/types");
+
+  _t = function () {
+    return data;
+  };
+
+  return data;
+}
+
+var _file = require("../transformation/file/file");
+
+const {
+  arrayExpression,
+  assignmentExpression,
+  binaryExpression,
+  blockStatement,
+  callExpression,
+  cloneNode,
+  conditionalExpression,
+  exportNamedDeclaration,
+  exportSpecifier,
+  expressionStatement,
+  functionExpression,
+  identifier,
+  memberExpression,
+  objectExpression,
+  program,
+  stringLiteral,
+  unaryExpression,
+  variableDeclaration,
+  variableDeclarator
+} = _t();
+
+const buildUmdWrapper = replacements => _template().default.statement`
+    (function (root, factory) {
+      if (typeof define === "function" && define.amd) {
+        define(AMD_ARGUMENTS, factory);
+      } else if (typeof exports === "object") {
+        factory(COMMON_ARGUMENTS);
+      } else {
+        factory(BROWSER_ARGUMENTS);
+      }
+    })(UMD_ROOT, function (FACTORY_PARAMETERS) {
+      FACTORY_BODY
+    });
+  `(replacements);
+
+function buildGlobal(allowlist) {
+  const namespace = identifier("babelHelpers");
+  const body = [];
+  const container = functionExpression(null, [identifier("global")], blockStatement(body));
+  const tree = program([expressionStatement(callExpression(container, [conditionalExpression(binaryExpression("===", unaryExpression("typeof", identifier("global")), stringLiteral("undefined")), identifier("self"), identifier("global"))]))]);
+  body.push(variableDeclaration("var", [variableDeclarator(namespace, assignmentExpression("=", memberExpression(identifier("global"), namespace), objectExpression([])))]));
+  buildHelpers(body, namespace, allowlist);
+  return tree;
+}
+
+function buildModule(allowlist) {
+  const body = [];
+  const refs = buildHelpers(body, null, allowlist);
+  body.unshift(exportNamedDeclaration(null, Object.keys(refs).map(name => {
+    return exportSpecifier(cloneNode(refs[name]), identifier(name));
+  })));
+  return program(body, [], "module");
+}
+
+function buildUmd(allowlist) {
+  const namespace = identifier("babelHelpers");
+  const body = [];
+  body.push(variableDeclaration("var", [variableDeclarator(namespace, identifier("global"))]));
+  buildHelpers(body, namespace, allowlist);
+  return program([buildUmdWrapper({
+    FACTORY_PARAMETERS: identifier("global"),
+    BROWSER_ARGUMENTS: assignmentExpression("=", memberExpression(identifier("root"), namespace), objectExpression([])),
+    COMMON_ARGUMENTS: identifier("exports"),
+    AMD_ARGUMENTS: arrayExpression([stringLiteral("exports")]),
+    FACTORY_BODY: body,
+    UMD_ROOT: identifier("this")
+  })]);
+}
+
+function buildVar(allowlist) {
+  const namespace = identifier("babelHelpers");
+  const body = [];
+  body.push(variableDeclaration("var", [variableDeclarator(namespace, objectExpression([]))]));
+  const tree = program(body);
+  buildHelpers(body, namespace, allowlist);
+  body.push(expressionStatement(namespace));
+  return tree;
+}
+
+function buildHelpers(body, namespace, allowlist) {
+  const getHelperReference = name => {
+    return namespace ? memberExpression(namespace, identifier(name)) : identifier(`_${name}`);
+  };
+
+  const refs = {};
+  helpers().list.forEach(function (name) {
+    if (allowlist && allowlist.indexOf(name) < 0) return;
+    const ref = refs[name] = getHelperReference(name);
+    helpers().ensure(name, _file.default);
+    const {
+      nodes
+    } = helpers().get(name, getHelperReference, ref);
+    body.push(...nodes);
+  });
+  return refs;
+}
+
+function _default(allowlist, outputType = "global") {
+  let tree;
+  const build = {
+    global: buildGlobal,
+    module: buildModule,
+    umd: buildUmd,
+    var: buildVar
+  }[outputType];
+
+  if (build) {
+    tree = build(allowlist);
+  } else {
+    throw new Error(`Unsupported output type ${outputType}`);
+  }
+
+  return (0, _generator().default)(tree).code;
+}
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