added babel

1 files changed, 170 insertions, 0 deletions

diff --git a/node_modules/@babel/helper-function-name/lib/index.js b/node_modules/@babel/helper-function-name/lib/index.js
new file mode 100644
index 00000000..2f0ead7f
--- /dev/null
+++ b/node_modules/@babel/helper-function-name/lib/index.js
@@ -0,0 +1,170 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = _default;
+var _template = require("@babel/template");
+var _t = require("@babel/types");
+const {
+  NOT_LOCAL_BINDING,
+  cloneNode,
+  identifier,
+  isAssignmentExpression,
+  isAssignmentPattern,
+  isFunction,
+  isIdentifier,
+  isLiteral,
+  isNullLiteral,
+  isObjectMethod,
+  isObjectProperty,
+  isRegExpLiteral,
+  isRestElement,
+  isTemplateLiteral,
+  isVariableDeclarator,
+  toBindingIdentifierName
+} = _t;
+function getFunctionArity(node) {
+  const count = node.params.findIndex(param => isAssignmentPattern(param) || isRestElement(param));
+  return count === -1 ? node.params.length : count;
+}
+const buildPropertyMethodAssignmentWrapper = _template.default.statement(`
+  (function (FUNCTION_KEY) {
+    function FUNCTION_ID() {
+      return FUNCTION_KEY.apply(this, arguments);
+    }
+
+    FUNCTION_ID.toString = function () {
+      return FUNCTION_KEY.toString();
+    }
+
+    return FUNCTION_ID;
+  })(FUNCTION)
+`);
+const buildGeneratorPropertyMethodAssignmentWrapper = _template.default.statement(`
+  (function (FUNCTION_KEY) {
+    function* FUNCTION_ID() {
+      return yield* FUNCTION_KEY.apply(this, arguments);
+    }
+
+    FUNCTION_ID.toString = function () {
+      return FUNCTION_KEY.toString();
+    };
+
+    return FUNCTION_ID;
+  })(FUNCTION)
+`);
+const visitor = {
+  "ReferencedIdentifier|BindingIdentifier"(path, state) {
+    if (path.node.name !== state.name) return;
+    const localDeclar = path.scope.getBindingIdentifier(state.name);
+    if (localDeclar !== state.outerDeclar) return;
+    state.selfReference = true;
+    path.stop();
+  }
+};
+function getNameFromLiteralId(id) {
+  if (isNullLiteral(id)) {
+    return "null";
+  }
+  if (isRegExpLiteral(id)) {
+    return `_${id.pattern}_${id.flags}`;
+  }
+  if (isTemplateLiteral(id)) {
+    return id.quasis.map(quasi => quasi.value.raw).join("");
+  }
+  if (id.value !== undefined) {
+    return id.value + "";
+  }
+  return "";
+}
+function wrap(state, method, id, scope) {
+  if (state.selfReference) {
+    if (scope.hasBinding(id.name) && !scope.hasGlobal(id.name)) {
+      scope.rename(id.name);
+    } else {
+      if (!isFunction(method)) return;
+      let build = buildPropertyMethodAssignmentWrapper;
+      if (method.generator) {
+        build = buildGeneratorPropertyMethodAssignmentWrapper;
+      }
+      const template = build({
+        FUNCTION: method,
+        FUNCTION_ID: id,
+        FUNCTION_KEY: scope.generateUidIdentifier(id.name)
+      }).expression;
+      const params = template.callee.body.body[0].params;
+      for (let i = 0, len = getFunctionArity(method); i < len; i++) {
+        params.push(scope.generateUidIdentifier("x"));
+      }
+      return template;
+    }
+  }
+  method.id = id;
+  scope.getProgramParent().references[id.name] = true;
+}
+function visit(node, name, scope) {
+  const state = {
+    selfAssignment: false,
+    selfReference: false,
+    outerDeclar: scope.getBindingIdentifier(name),
+    name: name
+  };
+  const binding = scope.getOwnBinding(name);
+  if (binding) {
+    if (binding.kind === "param") {
+      state.selfReference = true;
+    } else {}
+  } else if (state.outerDeclar || scope.hasGlobal(name)) {
+    scope.traverse(node, visitor, state);
+  }
+  return state;
+}
+function _default({
+  node,
+  parent,
+  scope,
+  id
+}, localBinding = false, supportUnicodeId = false) {
+  if (node.id) return;
+  if ((isObjectProperty(parent) || isObjectMethod(parent, {
+    kind: "method"
+  })) && (!parent.computed || isLiteral(parent.key))) {
+    id = parent.key;
+  } else if (isVariableDeclarator(parent)) {
+    id = parent.id;
+    if (isIdentifier(id) && !localBinding) {
+      const binding = scope.parent.getBinding(id.name);
+      if (binding && binding.constant && scope.getBinding(id.name) === binding) {
+        node.id = cloneNode(id);
+        node.id[NOT_LOCAL_BINDING] = true;
+        return;
+      }
+    }
+  } else if (isAssignmentExpression(parent, {
+    operator: "="
+  })) {
+    id = parent.left;
+  } else if (!id) {
+    return;
+  }
+  let name;
+  if (id && isLiteral(id)) {
+    name = getNameFromLiteralId(id);
+  } else if (id && isIdentifier(id)) {
+    name = id.name;
+  }
+  if (name === undefined) {
+    return;
+  }
+  if (!supportUnicodeId && isFunction(node) && /[\uD800-\uDFFF]/.test(name)) {
+    return;
+  }
+  name = toBindingIdentifierName(name);
+  const newId = identifier(name);
+  newId[NOT_LOCAL_BINDING] = true;
+  const state = visit(node, name, scope);
+  return wrap(state, node, newId, scope) || node;
+}
+
+//# sourceMappingURL=index.js.map