added babel

1 files changed, 397 insertions, 0 deletions

diff --git a/node_modules/@babel/helper-member-expression-to-functions/lib/index.js b/node_modules/@babel/helper-member-expression-to-functions/lib/index.js
new file mode 100644
index 00000000..714d4677
--- /dev/null
+++ b/node_modules/@babel/helper-member-expression-to-functions/lib/index.js
@@ -0,0 +1,397 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+var _t = require('@babel/types');
+
+function _interopNamespace(e) {
+  if (e && e.__esModule) return e;
+  var n = Object.create(null);
+  if (e) {
+    Object.keys(e).forEach(function (k) {
+      if (k !== 'default') {
+        var d = Object.getOwnPropertyDescriptor(e, k);
+        Object.defineProperty(n, k, d.get ? d : {
+          enumerable: true,
+          get: function () { return e[k]; }
+        });
+      }
+    });
+  }
+  n.default = e;
+  return Object.freeze(n);
+}
+
+var _t__namespace = /*#__PURE__*/_interopNamespace(_t);
+
+function willPathCastToBoolean(path) {
+  const maybeWrapped = path;
+  const {
+    node,
+    parentPath
+  } = maybeWrapped;
+  if (parentPath.isLogicalExpression()) {
+    const {
+      operator,
+      right
+    } = parentPath.node;
+    if (operator === "&&" || operator === "||" || operator === "??" && node === right) {
+      return willPathCastToBoolean(parentPath);
+    }
+  }
+  if (parentPath.isSequenceExpression()) {
+    const {
+      expressions
+    } = parentPath.node;
+    if (expressions[expressions.length - 1] === node) {
+      return willPathCastToBoolean(parentPath);
+    } else {
+      return true;
+    }
+  }
+  return parentPath.isConditional({
+    test: node
+  }) || parentPath.isUnaryExpression({
+    operator: "!"
+  }) || parentPath.isLoop({
+    test: node
+  });
+}
+
+const {
+  LOGICAL_OPERATORS,
+  arrowFunctionExpression,
+  assignmentExpression,
+  binaryExpression,
+  booleanLiteral,
+  callExpression,
+  cloneNode,
+  conditionalExpression,
+  identifier,
+  isMemberExpression,
+  isOptionalCallExpression,
+  isOptionalMemberExpression,
+  isUpdateExpression,
+  logicalExpression,
+  memberExpression,
+  nullLiteral,
+  optionalCallExpression,
+  optionalMemberExpression,
+  sequenceExpression,
+  updateExpression
+} = _t__namespace;
+class AssignmentMemoiser {
+  constructor() {
+    this._map = void 0;
+    this._map = new WeakMap();
+  }
+  has(key) {
+    return this._map.has(key);
+  }
+  get(key) {
+    if (!this.has(key)) return;
+    const record = this._map.get(key);
+    const {
+      value
+    } = record;
+    record.count--;
+    if (record.count === 0) {
+      return assignmentExpression("=", value, key);
+    }
+    return value;
+  }
+  set(key, value, count) {
+    return this._map.set(key, {
+      count,
+      value
+    });
+  }
+}
+function toNonOptional(path, base) {
+  const {
+    node
+  } = path;
+  if (isOptionalMemberExpression(node)) {
+    return memberExpression(base, node.property, node.computed);
+  }
+  if (path.isOptionalCallExpression()) {
+    const callee = path.get("callee");
+    if (path.node.optional && callee.isOptionalMemberExpression()) {
+      const object = callee.node.object;
+      const context = path.scope.maybeGenerateMemoised(object);
+      callee.get("object").replaceWith(assignmentExpression("=", context, object));
+      return callExpression(memberExpression(base, identifier("call")), [context, ...path.node.arguments]);
+    }
+    return callExpression(base, path.node.arguments);
+  }
+  return path.node;
+}
+function isInDetachedTree(path) {
+  while (path) {
+    if (path.isProgram()) break;
+    const {
+      parentPath,
+      container,
+      listKey
+    } = path;
+    const parentNode = parentPath.node;
+    if (listKey) {
+      if (container !== parentNode[listKey]) {
+        return true;
+      }
+    } else {
+      if (container !== parentNode) return true;
+    }
+    path = parentPath;
+  }
+  return false;
+}
+const handle = {
+  memoise() {},
+  handle(member, noDocumentAll) {
+    const {
+      node,
+      parent,
+      parentPath,
+      scope
+    } = member;
+    if (member.isOptionalMemberExpression()) {
+      if (isInDetachedTree(member)) return;
+      const endPath = member.find(({
+        node,
+        parent
+      }) => {
+        if (isOptionalMemberExpression(parent)) {
+          return parent.optional || parent.object !== node;
+        }
+        if (isOptionalCallExpression(parent)) {
+          return node !== member.node && parent.optional || parent.callee !== node;
+        }
+        return true;
+      });
+      if (scope.path.isPattern()) {
+        endPath.replaceWith(callExpression(arrowFunctionExpression([], endPath.node), []));
+        return;
+      }
+      const willEndPathCastToBoolean = willPathCastToBoolean(endPath);
+      const rootParentPath = endPath.parentPath;
+      if (rootParentPath.isUpdateExpression({
+        argument: node
+      })) {
+        throw member.buildCodeFrameError(`can't handle update expression`);
+      }
+      const isAssignment = rootParentPath.isAssignmentExpression({
+        left: endPath.node
+      });
+      const isDeleteOperation = rootParentPath.isUnaryExpression({
+        operator: "delete"
+      });
+      if (isDeleteOperation && endPath.isOptionalMemberExpression() && endPath.get("property").isPrivateName()) {
+        throw member.buildCodeFrameError(`can't delete a private class element`);
+      }
+      let startingOptional = member;
+      for (;;) {
+        if (startingOptional.isOptionalMemberExpression()) {
+          if (startingOptional.node.optional) break;
+          startingOptional = startingOptional.get("object");
+          continue;
+        } else if (startingOptional.isOptionalCallExpression()) {
+          if (startingOptional.node.optional) break;
+          startingOptional = startingOptional.get("callee");
+          continue;
+        }
+        throw new Error(`Internal error: unexpected ${startingOptional.node.type}`);
+      }
+      const startingNode = startingOptional.isOptionalMemberExpression() ? startingOptional.node.object : startingOptional.node.callee;
+      const baseNeedsMemoised = scope.maybeGenerateMemoised(startingNode);
+      const baseRef = baseNeedsMemoised != null ? baseNeedsMemoised : startingNode;
+      const parentIsOptionalCall = parentPath.isOptionalCallExpression({
+        callee: node
+      });
+      const isOptionalCall = parent => parentIsOptionalCall;
+      const parentIsCall = parentPath.isCallExpression({
+        callee: node
+      });
+      startingOptional.replaceWith(toNonOptional(startingOptional, baseRef));
+      if (isOptionalCall()) {
+        if (parent.optional) {
+          parentPath.replaceWith(this.optionalCall(member, parent.arguments));
+        } else {
+          parentPath.replaceWith(this.call(member, parent.arguments));
+        }
+      } else if (parentIsCall) {
+        member.replaceWith(this.boundGet(member));
+      } else if (this.delete && parentPath.isUnaryExpression({
+        operator: "delete"
+      })) {
+        parentPath.replaceWith(this.delete(member));
+      } else if (parentPath.isAssignmentExpression()) {
+        handleAssignment(this, member, parentPath);
+      } else {
+        member.replaceWith(this.get(member));
+      }
+      let regular = member.node;
+      for (let current = member; current !== endPath;) {
+        const parentPath = current.parentPath;
+        if (parentPath === endPath && isOptionalCall() && parent.optional) {
+          regular = parentPath.node;
+          break;
+        }
+        regular = toNonOptional(parentPath, regular);
+        current = parentPath;
+      }
+      let context;
+      const endParentPath = endPath.parentPath;
+      if (isMemberExpression(regular) && endParentPath.isOptionalCallExpression({
+        callee: endPath.node,
+        optional: true
+      })) {
+        const {
+          object
+        } = regular;
+        context = member.scope.maybeGenerateMemoised(object);
+        if (context) {
+          regular.object = assignmentExpression("=", context, object);
+        }
+      }
+      let replacementPath = endPath;
+      if (isDeleteOperation || isAssignment) {
+        replacementPath = endParentPath;
+        regular = endParentPath.node;
+      }
+      const baseMemoised = baseNeedsMemoised ? assignmentExpression("=", cloneNode(baseRef), cloneNode(startingNode)) : cloneNode(baseRef);
+      if (willEndPathCastToBoolean) {
+        let nonNullishCheck;
+        if (noDocumentAll) {
+          nonNullishCheck = binaryExpression("!=", baseMemoised, nullLiteral());
+        } else {
+          nonNullishCheck = logicalExpression("&&", binaryExpression("!==", baseMemoised, nullLiteral()), binaryExpression("!==", cloneNode(baseRef), scope.buildUndefinedNode()));
+        }
+        replacementPath.replaceWith(logicalExpression("&&", nonNullishCheck, regular));
+      } else {
+        let nullishCheck;
+        if (noDocumentAll) {
+          nullishCheck = binaryExpression("==", baseMemoised, nullLiteral());
+        } else {
+          nullishCheck = logicalExpression("||", binaryExpression("===", baseMemoised, nullLiteral()), binaryExpression("===", cloneNode(baseRef), scope.buildUndefinedNode()));
+        }
+        replacementPath.replaceWith(conditionalExpression(nullishCheck, isDeleteOperation ? booleanLiteral(true) : scope.buildUndefinedNode(), regular));
+      }
+      if (context) {
+        const endParent = endParentPath.node;
+        endParentPath.replaceWith(optionalCallExpression(optionalMemberExpression(endParent.callee, identifier("call"), false, true), [cloneNode(context), ...endParent.arguments], false));
+      }
+      return;
+    }
+    if (isUpdateExpression(parent, {
+      argument: node
+    })) {
+      if (this.simpleSet) {
+        member.replaceWith(this.simpleSet(member));
+        return;
+      }
+      const {
+        operator,
+        prefix
+      } = parent;
+      this.memoise(member, 2);
+      const ref = scope.generateUidIdentifierBasedOnNode(node);
+      scope.push({
+        id: ref
+      });
+      const seq = [assignmentExpression("=", cloneNode(ref), this.get(member))];
+      if (prefix) {
+        seq.push(updateExpression(operator, cloneNode(ref), prefix));
+        const value = sequenceExpression(seq);
+        parentPath.replaceWith(this.set(member, value));
+        return;
+      } else {
+        const ref2 = scope.generateUidIdentifierBasedOnNode(node);
+        scope.push({
+          id: ref2
+        });
+        seq.push(assignmentExpression("=", cloneNode(ref2), updateExpression(operator, cloneNode(ref), prefix)), cloneNode(ref));
+        const value = sequenceExpression(seq);
+        parentPath.replaceWith(sequenceExpression([this.set(member, value), cloneNode(ref2)]));
+        return;
+      }
+    }
+    if (parentPath.isAssignmentExpression({
+      left: node
+    })) {
+      handleAssignment(this, member, parentPath);
+      return;
+    }
+    if (parentPath.isCallExpression({
+      callee: node
+    })) {
+      parentPath.replaceWith(this.call(member, parentPath.node.arguments));
+      return;
+    }
+    if (parentPath.isOptionalCallExpression({
+      callee: node
+    })) {
+      if (scope.path.isPattern()) {
+        parentPath.replaceWith(callExpression(arrowFunctionExpression([], parentPath.node), []));
+        return;
+      }
+      parentPath.replaceWith(this.optionalCall(member, parentPath.node.arguments));
+      return;
+    }
+    if (this.delete && parentPath.isUnaryExpression({
+      operator: "delete"
+    })) {
+      parentPath.replaceWith(this.delete(member));
+      return;
+    }
+    if (parentPath.isForXStatement({
+      left: node
+    }) || parentPath.isObjectProperty({
+      value: node
+    }) && parentPath.parentPath.isObjectPattern() || parentPath.isAssignmentPattern({
+      left: node
+    }) && parentPath.parentPath.isObjectProperty({
+      value: parent
+    }) && parentPath.parentPath.parentPath.isObjectPattern() || parentPath.isArrayPattern() || parentPath.isAssignmentPattern({
+      left: node
+    }) && parentPath.parentPath.isArrayPattern() || parentPath.isRestElement()) {
+      member.replaceWith(this.destructureSet(member));
+      return;
+    }
+    if (parentPath.isTaggedTemplateExpression()) {
+      member.replaceWith(this.boundGet(member));
+    } else {
+      member.replaceWith(this.get(member));
+    }
+  }
+};
+function handleAssignment(state, member, parentPath) {
+  if (state.simpleSet) {
+    member.replaceWith(state.simpleSet(member));
+    return;
+  }
+  const {
+    operator,
+    right: value
+  } = parentPath.node;
+  if (operator === "=") {
+    parentPath.replaceWith(state.set(member, value));
+  } else {
+    const operatorTrunc = operator.slice(0, -1);
+    if (LOGICAL_OPERATORS.includes(operatorTrunc)) {
+      state.memoise(member, 1);
+      parentPath.replaceWith(logicalExpression(operatorTrunc, state.get(member), state.set(member, value)));
+    } else {
+      state.memoise(member, 2);
+      parentPath.replaceWith(state.set(member, binaryExpression(operatorTrunc, state.get(member), value)));
+    }
+  }
+}
+function memberExpressionToFunctions(path, visitor, state) {
+  path.traverse(visitor, Object.assign({}, handle, state, {
+    memoiser: new AssignmentMemoiser()
+  }));
+}
+
+exports.default = memberExpressionToFunctions;
+//# sourceMappingURL=index.js.map