306 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			306 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
"use strict";
 | 
						|
 | 
						|
Object.defineProperty(exports, "__esModule", {
 | 
						|
  value: true
 | 
						|
});
 | 
						|
exports.default = void 0;
 | 
						|
var _helperMemberExpressionToFunctions = require("@babel/helper-member-expression-to-functions");
 | 
						|
var _helperOptimiseCallExpression = require("@babel/helper-optimise-call-expression");
 | 
						|
var _core = require("@babel/core");
 | 
						|
var _traverse = require("@babel/traverse");
 | 
						|
const {
 | 
						|
  assignmentExpression,
 | 
						|
  callExpression,
 | 
						|
  cloneNode,
 | 
						|
  identifier,
 | 
						|
  memberExpression,
 | 
						|
  sequenceExpression,
 | 
						|
  stringLiteral,
 | 
						|
  thisExpression
 | 
						|
} = _core.types;
 | 
						|
{
 | 
						|
  exports.environmentVisitor = _traverse.visitors.environmentVisitor({});
 | 
						|
  exports.skipAllButComputedKey = function skipAllButComputedKey(path) {
 | 
						|
    path.skip();
 | 
						|
    if (path.node.computed) {
 | 
						|
      path.context.maybeQueue(path.get("key"));
 | 
						|
    }
 | 
						|
  };
 | 
						|
}
 | 
						|
const visitor = _traverse.visitors.environmentVisitor({
 | 
						|
  Super(path, state) {
 | 
						|
    const {
 | 
						|
      node,
 | 
						|
      parentPath
 | 
						|
    } = path;
 | 
						|
    if (!parentPath.isMemberExpression({
 | 
						|
      object: node
 | 
						|
    })) return;
 | 
						|
    state.handle(parentPath);
 | 
						|
  }
 | 
						|
});
 | 
						|
const unshadowSuperBindingVisitor = _traverse.visitors.environmentVisitor({
 | 
						|
  Scopable(path, {
 | 
						|
    refName
 | 
						|
  }) {
 | 
						|
    const binding = path.scope.getOwnBinding(refName);
 | 
						|
    if (binding && binding.identifier.name === refName) {
 | 
						|
      path.scope.rename(refName);
 | 
						|
    }
 | 
						|
  }
 | 
						|
});
 | 
						|
const specHandlers = {
 | 
						|
  memoise(superMember, count) {
 | 
						|
    const {
 | 
						|
      scope,
 | 
						|
      node
 | 
						|
    } = superMember;
 | 
						|
    const {
 | 
						|
      computed,
 | 
						|
      property
 | 
						|
    } = node;
 | 
						|
    if (!computed) {
 | 
						|
      return;
 | 
						|
    }
 | 
						|
    const memo = scope.maybeGenerateMemoised(property);
 | 
						|
    if (!memo) {
 | 
						|
      return;
 | 
						|
    }
 | 
						|
    this.memoiser.set(property, memo, count);
 | 
						|
  },
 | 
						|
  prop(superMember) {
 | 
						|
    const {
 | 
						|
      computed,
 | 
						|
      property
 | 
						|
    } = superMember.node;
 | 
						|
    if (this.memoiser.has(property)) {
 | 
						|
      return cloneNode(this.memoiser.get(property));
 | 
						|
    }
 | 
						|
    if (computed) {
 | 
						|
      return cloneNode(property);
 | 
						|
    }
 | 
						|
    return stringLiteral(property.name);
 | 
						|
  },
 | 
						|
  _getPrototypeOfExpression() {
 | 
						|
    const objectRef = cloneNode(this.getObjectRef());
 | 
						|
    const targetRef = this.isStatic || this.isPrivateMethod ? objectRef : memberExpression(objectRef, identifier("prototype"));
 | 
						|
    return callExpression(this.file.addHelper("getPrototypeOf"), [targetRef]);
 | 
						|
  },
 | 
						|
  get(superMember) {
 | 
						|
    const objectRef = cloneNode(this.getObjectRef());
 | 
						|
    return callExpression(this.file.addHelper("superPropGet"), [this.isDerivedConstructor ? sequenceExpression([thisExpression(), objectRef]) : objectRef, this.prop(superMember), thisExpression(), ...(this.isStatic || this.isPrivateMethod ? [] : [_core.types.numericLiteral(1)])]);
 | 
						|
  },
 | 
						|
  _call(superMember, args, optional) {
 | 
						|
    const objectRef = cloneNode(this.getObjectRef());
 | 
						|
    let argsNode;
 | 
						|
    if (args.length === 1 && _core.types.isSpreadElement(args[0]) && (_core.types.isIdentifier(args[0].argument) || _core.types.isArrayExpression(args[0].argument))) {
 | 
						|
      argsNode = args[0].argument;
 | 
						|
    } else {
 | 
						|
      argsNode = _core.types.arrayExpression(args);
 | 
						|
    }
 | 
						|
    const call = _core.types.callExpression(this.file.addHelper("superPropGet"), [this.isDerivedConstructor ? sequenceExpression([thisExpression(), objectRef]) : objectRef, this.prop(superMember), thisExpression(), _core.types.numericLiteral(2 | (this.isStatic || this.isPrivateMethod ? 0 : 1))]);
 | 
						|
    if (optional) {
 | 
						|
      return _core.types.optionalCallExpression(call, [argsNode], true);
 | 
						|
    }
 | 
						|
    return callExpression(call, [argsNode]);
 | 
						|
  },
 | 
						|
  set(superMember, value) {
 | 
						|
    const objectRef = cloneNode(this.getObjectRef());
 | 
						|
    return callExpression(this.file.addHelper("superPropSet"), [this.isDerivedConstructor ? sequenceExpression([thisExpression(), objectRef]) : objectRef, this.prop(superMember), value, thisExpression(), _core.types.numericLiteral(superMember.isInStrictMode() ? 1 : 0), ...(this.isStatic || this.isPrivateMethod ? [] : [_core.types.numericLiteral(1)])]);
 | 
						|
  },
 | 
						|
  destructureSet(superMember) {
 | 
						|
    throw superMember.buildCodeFrameError(`Destructuring to a super field is not supported yet.`);
 | 
						|
  },
 | 
						|
  call(superMember, args) {
 | 
						|
    return this._call(superMember, args, false);
 | 
						|
  },
 | 
						|
  optionalCall(superMember, args) {
 | 
						|
    return this._call(superMember, args, true);
 | 
						|
  },
 | 
						|
  delete(superMember) {
 | 
						|
    if (superMember.node.computed) {
 | 
						|
      return sequenceExpression([callExpression(this.file.addHelper("toPropertyKey"), [cloneNode(superMember.node.property)]), _core.template.expression.ast`
 | 
						|
          function () { throw new ReferenceError("'delete super[expr]' is invalid"); }()
 | 
						|
        `]);
 | 
						|
    } else {
 | 
						|
      return _core.template.expression.ast`
 | 
						|
        function () { throw new ReferenceError("'delete super.prop' is invalid"); }()
 | 
						|
      `;
 | 
						|
    }
 | 
						|
  }
 | 
						|
};
 | 
						|
const specHandlers_old = {
 | 
						|
  memoise(superMember, count) {
 | 
						|
    const {
 | 
						|
      scope,
 | 
						|
      node
 | 
						|
    } = superMember;
 | 
						|
    const {
 | 
						|
      computed,
 | 
						|
      property
 | 
						|
    } = node;
 | 
						|
    if (!computed) {
 | 
						|
      return;
 | 
						|
    }
 | 
						|
    const memo = scope.maybeGenerateMemoised(property);
 | 
						|
    if (!memo) {
 | 
						|
      return;
 | 
						|
    }
 | 
						|
    this.memoiser.set(property, memo, count);
 | 
						|
  },
 | 
						|
  prop(superMember) {
 | 
						|
    const {
 | 
						|
      computed,
 | 
						|
      property
 | 
						|
    } = superMember.node;
 | 
						|
    if (this.memoiser.has(property)) {
 | 
						|
      return cloneNode(this.memoiser.get(property));
 | 
						|
    }
 | 
						|
    if (computed) {
 | 
						|
      return cloneNode(property);
 | 
						|
    }
 | 
						|
    return stringLiteral(property.name);
 | 
						|
  },
 | 
						|
  _getPrototypeOfExpression() {
 | 
						|
    const objectRef = cloneNode(this.getObjectRef());
 | 
						|
    const targetRef = this.isStatic || this.isPrivateMethod ? objectRef : memberExpression(objectRef, identifier("prototype"));
 | 
						|
    return callExpression(this.file.addHelper("getPrototypeOf"), [targetRef]);
 | 
						|
  },
 | 
						|
  get(superMember) {
 | 
						|
    return this._get(superMember);
 | 
						|
  },
 | 
						|
  _get(superMember) {
 | 
						|
    const proto = this._getPrototypeOfExpression();
 | 
						|
    return callExpression(this.file.addHelper("get"), [this.isDerivedConstructor ? sequenceExpression([thisExpression(), proto]) : proto, this.prop(superMember), thisExpression()]);
 | 
						|
  },
 | 
						|
  set(superMember, value) {
 | 
						|
    const proto = this._getPrototypeOfExpression();
 | 
						|
    return callExpression(this.file.addHelper("set"), [this.isDerivedConstructor ? sequenceExpression([thisExpression(), proto]) : proto, this.prop(superMember), value, thisExpression(), _core.types.booleanLiteral(superMember.isInStrictMode())]);
 | 
						|
  },
 | 
						|
  destructureSet(superMember) {
 | 
						|
    throw superMember.buildCodeFrameError(`Destructuring to a super field is not supported yet.`);
 | 
						|
  },
 | 
						|
  call(superMember, args) {
 | 
						|
    return (0, _helperOptimiseCallExpression.default)(this._get(superMember), thisExpression(), args, false);
 | 
						|
  },
 | 
						|
  optionalCall(superMember, args) {
 | 
						|
    return (0, _helperOptimiseCallExpression.default)(this._get(superMember), cloneNode(thisExpression()), args, true);
 | 
						|
  },
 | 
						|
  delete(superMember) {
 | 
						|
    if (superMember.node.computed) {
 | 
						|
      return sequenceExpression([callExpression(this.file.addHelper("toPropertyKey"), [cloneNode(superMember.node.property)]), _core.template.expression.ast`
 | 
						|
          function () { throw new ReferenceError("'delete super[expr]' is invalid"); }()
 | 
						|
        `]);
 | 
						|
    } else {
 | 
						|
      return _core.template.expression.ast`
 | 
						|
        function () { throw new ReferenceError("'delete super.prop' is invalid"); }()
 | 
						|
      `;
 | 
						|
    }
 | 
						|
  }
 | 
						|
};
 | 
						|
const looseHandlers = Object.assign({}, specHandlers, {
 | 
						|
  prop(superMember) {
 | 
						|
    const {
 | 
						|
      property
 | 
						|
    } = superMember.node;
 | 
						|
    if (this.memoiser.has(property)) {
 | 
						|
      return cloneNode(this.memoiser.get(property));
 | 
						|
    }
 | 
						|
    return cloneNode(property);
 | 
						|
  },
 | 
						|
  get(superMember) {
 | 
						|
    const {
 | 
						|
      isStatic,
 | 
						|
      getSuperRef
 | 
						|
    } = this;
 | 
						|
    const {
 | 
						|
      computed
 | 
						|
    } = superMember.node;
 | 
						|
    const prop = this.prop(superMember);
 | 
						|
    let object;
 | 
						|
    if (isStatic) {
 | 
						|
      var _getSuperRef;
 | 
						|
      object = (_getSuperRef = getSuperRef()) != null ? _getSuperRef : memberExpression(identifier("Function"), identifier("prototype"));
 | 
						|
    } else {
 | 
						|
      var _getSuperRef2;
 | 
						|
      object = memberExpression((_getSuperRef2 = getSuperRef()) != null ? _getSuperRef2 : identifier("Object"), identifier("prototype"));
 | 
						|
    }
 | 
						|
    return memberExpression(object, prop, computed);
 | 
						|
  },
 | 
						|
  set(superMember, value) {
 | 
						|
    const {
 | 
						|
      computed
 | 
						|
    } = superMember.node;
 | 
						|
    const prop = this.prop(superMember);
 | 
						|
    return assignmentExpression("=", memberExpression(thisExpression(), prop, computed), value);
 | 
						|
  },
 | 
						|
  destructureSet(superMember) {
 | 
						|
    const {
 | 
						|
      computed
 | 
						|
    } = superMember.node;
 | 
						|
    const prop = this.prop(superMember);
 | 
						|
    return memberExpression(thisExpression(), prop, computed);
 | 
						|
  },
 | 
						|
  call(superMember, args) {
 | 
						|
    return (0, _helperOptimiseCallExpression.default)(this.get(superMember), thisExpression(), args, false);
 | 
						|
  },
 | 
						|
  optionalCall(superMember, args) {
 | 
						|
    return (0, _helperOptimiseCallExpression.default)(this.get(superMember), thisExpression(), args, true);
 | 
						|
  }
 | 
						|
});
 | 
						|
class ReplaceSupers {
 | 
						|
  constructor(opts) {
 | 
						|
    var _opts$constantSuper;
 | 
						|
    const path = opts.methodPath;
 | 
						|
    this.methodPath = path;
 | 
						|
    this.isDerivedConstructor = path.isClassMethod({
 | 
						|
      kind: "constructor"
 | 
						|
    }) && !!opts.superRef;
 | 
						|
    this.isStatic = path.isObjectMethod() || path.node.static || (path.isStaticBlock == null ? void 0 : path.isStaticBlock());
 | 
						|
    this.isPrivateMethod = path.isPrivate() && path.isMethod();
 | 
						|
    this.file = opts.file;
 | 
						|
    this.constantSuper = (_opts$constantSuper = opts.constantSuper) != null ? _opts$constantSuper : opts.isLoose;
 | 
						|
    this.opts = opts;
 | 
						|
  }
 | 
						|
  getObjectRef() {
 | 
						|
    return cloneNode(this.opts.objectRef || this.opts.getObjectRef());
 | 
						|
  }
 | 
						|
  getSuperRef() {
 | 
						|
    if (this.opts.superRef) return cloneNode(this.opts.superRef);
 | 
						|
    if (this.opts.getSuperRef) {
 | 
						|
      return cloneNode(this.opts.getSuperRef());
 | 
						|
    }
 | 
						|
  }
 | 
						|
  replace() {
 | 
						|
    const {
 | 
						|
      methodPath
 | 
						|
    } = this;
 | 
						|
    if (this.opts.refToPreserve) {
 | 
						|
      methodPath.traverse(unshadowSuperBindingVisitor, {
 | 
						|
        refName: this.opts.refToPreserve.name
 | 
						|
      });
 | 
						|
    }
 | 
						|
    const handler = this.constantSuper ? looseHandlers : this.file.availableHelper("superPropSet") ? specHandlers : specHandlers_old;
 | 
						|
    visitor.shouldSkip = path => {
 | 
						|
      if (path.parentPath === methodPath) {
 | 
						|
        if (path.parentKey === "decorators" || path.parentKey === "key") {
 | 
						|
          return true;
 | 
						|
        }
 | 
						|
      }
 | 
						|
    };
 | 
						|
    (0, _helperMemberExpressionToFunctions.default)(methodPath, visitor, Object.assign({
 | 
						|
      file: this.file,
 | 
						|
      scope: this.methodPath.scope,
 | 
						|
      isDerivedConstructor: this.isDerivedConstructor,
 | 
						|
      isStatic: this.isStatic,
 | 
						|
      isPrivateMethod: this.isPrivateMethod,
 | 
						|
      getObjectRef: this.getObjectRef.bind(this),
 | 
						|
      getSuperRef: this.getSuperRef.bind(this),
 | 
						|
      boundGet: handler.get
 | 
						|
    }, handler));
 | 
						|
  }
 | 
						|
}
 | 
						|
exports.default = ReplaceSupers;
 | 
						|
 | 
						|
//# sourceMappingURL=index.js.map
 |